<?php

trait InstallAPI {

    public function search_customer() {
        $keyword = trim($_POST['keyword'] ?? '');
        if ($keyword === '') {
            echo $this->json([]);
            return;
        }

        $keyword = addslashes($keyword);
        $sql = "
            SELECT
                c.c_uid,
                c.c_accountno,
                c.c_name,
                c.c_address,
                c.c_city,
                c.c_postal,
                c.c_phone
            FROM tbl_customer c
            WHERE
                (
                    c.c_accountno LIKE '%{$keyword}%'
                    OR c.c_name LIKE '%{$keyword}%'
                )
                AND NOT EXISTS (
                    SELECT 1
                    FROM tbl_install_waitlist iw
                    WHERE iw.iw_customer_uid = c.c_uid
                    AND iw.iw_status <> 'DELETED'
                )
            ORDER BY c.c_name
            LIMIT 20
        ";
        $res = qry($sql);

        $rows = [];
        while ($row = mysqli_fetch_assoc($res)) {
            $rows[] = $row;
        }
        echo $this->json($rows);
    }

    public function install_wait_create_draft() {
        $c_uid        = $_POST['c_uid'] ?? 0;
        $job_type     = $_POST['job_type'] ?? '';
        $driver_uid   = $_POST['driver_uid'] ?? '';
        $request_note = $_POST['request_note'] ?? '';

        if (!$c_uid || !$job_type) {
            echo $this->json(['ok' => 0, 'msg' => 'invalid params']);
            return;
        }

        $sql = "
            INSERT INTO tbl_install_waitlist (
                iw_customer_uid,
                iw_work_type,
                iw_accountno,
                iw_customer_name,
                iw_address,
                iw_city,
                iw_postal,
                iw_phone,
                iw_lat,
                iw_lng,
                iw_status,
                iw_request_source,
                iw_request_by,
                iw_request_note,
                iw_request_at,
                iw_created_by,
                iw_created_at
            )
            SELECT
                '{$c_uid}'                                AS iw_customer_uid,
                '".addslashes($job_type)."'               AS iw_work_type,
                c.c_accountno                             AS iw_accountno,
                c.c_name                                  AS iw_customer_name,
                c.c_address                               AS iw_address,
                c.c_city                                  AS iw_city,
                c.c_postal                                AS iw_postal,
                c.c_phone                                 AS iw_phone,
                c.c_geolat                                AS iw_lat,
                c.c_geolon                                AS iw_lng,
                'DRAFT'                                   AS iw_status,
                'MAP'                                     AS iw_request_source,
                '{$driver_uid}'                           AS iw_request_by,
                '".addslashes($request_note)."'           AS iw_request_note,
                NOW()                                     AS iw_request_at,
                '{$driver_uid}'                           AS iw_created_by,
                NOW()                                     AS iw_created_at
            FROM tbl_customer c
            WHERE c.c_uid = '{$c_uid}'
        ";

        qry($sql);

        $iw_uid = mysqli_insert_id($GLOBALS['conn']); // or global db handle

        echo $this->json([
            'ok'     => 1,
            'iw_uid' => $iw_uid
        ]);
    }

    public function install_wait_update_draft() {

        $iw_uid = intval($_POST['iw_uid'] ?? 0);
        $job_type = addslashes($_POST['job_type'] ?? '');
        $request_note = addslashes($_POST['request_note'] ?? '');

        if (!$iw_uid) {
            echo $this->json(['ok'=>0,'msg'=>'invalid iw_uid']);
            return;
        }

        // DRAFT 상태만 수정 가능
        $sqlCheck = "
            SELECT iw_status
            FROM tbl_install_waitlist
            WHERE iw_uid = '{$iw_uid}'
            LIMIT 1
        ";
        $r = qry($sqlCheck);
        $row = mysqli_fetch_assoc($r);

        if (!$row || $row['iw_status'] !== 'DRAFT') {
            echo $this->json(['ok'=>0,'msg'=>'cannot modify this request']);
            return;
        }

        $sql = "
            UPDATE tbl_install_waitlist
            SET
                iw_work_type = '{$job_type}',
                iw_request_note = '{$request_note}',
                iw_updated_at = NOW()
            WHERE iw_uid = '{$iw_uid}'
            LIMIT 1
        ";

        qry($sql);

        echo $this->json(['ok'=>1]);
    }

    public function install_wait_delete_draft() {

        $iw_uid = intval($_POST['iw_uid'] ?? 0);

        if (!$iw_uid) {
            echo $this->json(['ok'=>0]);
            return;
        }

        // 상태 확인
        $sqlCheck = "
            SELECT iw_status
            FROM tbl_install_waitlist
            WHERE iw_uid = '{$iw_uid}'
            LIMIT 1
        ";

        $r = qry($sqlCheck);
        $row = mysqli_fetch_assoc($r);

        if (!$row || $row['iw_status'] !== 'DRAFT') {
            echo $this->json(['ok'=>0, 'msg'=>'cannot delete']);
            return;
        }

        // Soft delete
        $sql = "
            UPDATE tbl_install_waitlist
            SET iw_status = 'DELETED',
                iw_deleted_at = NOW()
            WHERE iw_uid = '{$iw_uid}'
            LIMIT 1
        ";

        qry($sql);

        echo $this->json(['ok'=>1]);
    }


    public function install_wait_get_active() {

        $c_uid = intval($_POST['c_uid'] ?? 0);
        if (!$c_uid) {
            echo $this->json(['ok'=>0,'msg'=>'invalid params']);
            return;
        }

        // DRAFT/WAITING/ASSIGNED 중 최신 1개 (원하는 정책이면 ORDER를 상태 우선으로 바꿔도 됨)
        $sql = "
            SELECT
            iw.iw_uid,
            iw.iw_status,
            iw.iw_work_type,
            iw.iw_request_note,
            CASE 
                WHEN iw.iw_request_by = 'Customer' THEN 'Customer'
                ELSE CONCAT(IFNULL(m.m_firstname,''), ' ', IFNULL(m.m_lastname,''))
            END AS iw_request_by_name,
            iw.iw_request_by,
            iw.iw_request_at,
            iw.iw_created_at,

            di.di_install_date,
            di.di_install_time

            FROM tbl_install_waitlist iw
            LEFT JOIN tbl_daily_install di
            ON di.di_wait_uid = iw.iw_uid
            LEFT JOIN tbl_member m
            ON iw.iw_request_by = m.m_uid
            WHERE iw.iw_customer_uid = '{$c_uid}'
            AND iw.iw_status IN ('DRAFT','WAITING','ASSIGNED')
            ORDER BY iw.iw_uid DESC, di.di_uid DESC
            LIMIT 1
        ";

        $r = qry($sql);
        if ($row = mysqli_fetch_assoc($r)) {
            // (A) iw_uid에 연결된 사진 조회해서 붙이기
            $iw_uid = (int)$row['iw_uid'];
            $photos = [];

            $sql_img = "
                SELECT i_uid, i_filename, i_filepath
                FROM tbl_customer_image
                WHERE i_status = 'A'
                AND i_type = 'install_order'
                AND i_sourceuid = '{$iw_uid}'
                ORDER BY i_uid ASC
            ";

            $ri = qry($sql_img);

            while ($img = mysqli_fetch_assoc($ri)) {

                $imgPath = $img['i_filepath'] . $img['i_filename'];

                $photos[] = [
                    'i_uid'   => (int)$img['i_uid'],
                    'imgPath' => $imgPath
                ];
            }

            $row['photos'] = $photos;

            echo $this->json([
                'ok'     => 1,
                'exists' => 1,
                'data'   => $row
            ]);
            return;
        }

        echo $this->json(['ok'=>1,'exists'=>0]);
    }


    public function install_wait_upsert_containers() {

        $iw_uid = intval($_POST['iw_uid'] ?? 0);
        $items  = $_POST['items'] ?? [];
        $action = $_POST['action'];

        if (!$iw_uid) {
            echo $this->json(['ok' => 0, 'msg' => 'no iw_uid']);
            return;
        }

        // 기존 컨테이너 전부 삭제
        qry("
            DELETE FROM tbl_install_waitlist_container
            WHERE iwc_wait_uid = '{$iw_uid}' AND iwc_action = '{$action}'
        ");

        // 재 insert
        if (is_array($items)) {
            foreach ($items as $it) {

                $action     = addslashes($it['action'] ?? '');
                $type       = addslashes($it['type'] ?? '');
                $capacity   = isset($it['capacity']) && $it['capacity'] !== ''
                                ? intval($it['capacity'])
                                : 'NULL';
                $is_used    = addslashes($it['is_used'] ?? 'N');
                $owner_type = addslashes($it['owner_type'] ?? 'C');
                $has_lock   = addslashes($it['has_lock'] ?? 'N');
                $has_wheel  = addslashes($it['has_wheel'] ?? 'N');
                $has_frame  = addslashes($it['has_frame'] ?? 'N');

                $sql = "
                    INSERT INTO tbl_install_waitlist_container
                    SET
                        iwc_wait_uid       = '{$iw_uid}',
                        iwc_action         = '{$action}',
                        iwc_type           = '{$type}',
                        iwc_capacity       = {$capacity},
                        iwc_is_used        = '{$is_used}',
                        iwc_owner_type     = '{$owner_type}',
                        iwc_has_lock       = '{$has_lock}',
                        iwc_has_wheel      = '{$has_wheel}',
                        iwc_has_woodframe  = '{$has_frame}'
                ";
                qry($sql);
            }
        }

        echo $this->json(['ok' => 1]);
    }


    public function get_customer_containers_active() {

        $c_uid = intval($_POST['c_uid'] ?? 0);
        if (!$c_uid) {
            echo $this->json([]);
            return;
        }

        $sql = "
            SELECT
                cc_uid,
                cc_type,
                cc_capacity,
                cc_owner_type,
                cc_is_used,
                cc_has_lock,
                cc_has_wheel,
                cc_has_woodframe
            FROM tbl_customer_container
            WHERE cc_customer_uid = '{$c_uid}'
                AND cc_status = 'A'
            ORDER BY cc_type, cc_capacity
        ";

        $res = qry($sql);

        $rows = [];
        while ($row = mysqli_fetch_assoc($res)) {
            $rows[] = $row;
        }

        echo $this->json($rows);
    }

    public function install_wait_delete() {

        $iw_uid = intval($_POST['iw_uid'] ?? 0);

        if (!$iw_uid) {
            echo $this->json(['ok' => 0, 'msg' => 'ID is missing']);
            return;
        }

        // qry() + fetch
        $rs = qry("SELECT iw_status FROM tbl_install_waitlist WHERE iw_uid = '{$iw_uid}'");
        $row = mysqli_fetch_assoc($rs);

        if (!$row) {
            echo $this->json(['ok' => 0, 'msg' => 'Item not found']);
            return;
        }

        qry("START TRANSACTION");
        // 지우지는 말자. 
        // $ok1 = qry("DELETE FROM tbl_install_waitlist_container WHERE iwc_wait_uid = '{$iw_uid}'");
        if (!$this->update_waitlist_status($iw_uid, 'DELETED')) {
            qry("ROLLBACK");
            $fail('update_waitlist', 'failed', ['iw_uid'=>$iw_uid]);
        }

        qry("COMMIT");
        echo $this->json(['ok' => 1]);
    }


    public function install_wait_complete() {

        $iw_uid = intval($_POST['iw_uid'] ?? 0);
        if (!$iw_uid) {
            echo $this->json(['ok' => 0, 'msg' => 'no iw_uid']);
            return;
        }

        // set parameters
        $request_at   = $_POST['request_at']   ?? null;
        $due_date     = $_POST['due_date']     ?? null;
        $request_by   = $_POST['request_by']   ?? null;
        $request_note = $_POST['request_note'] ?? null;
        $cs_note      = $_POST['cs_note']      ?? null;
        $work_note    = $_POST['work_note']      ?? null;

        $person_cnt   = $_POST['person_cnt']   ?? null; // null or 2
        $person_reason= $_POST['person_reason'] ?? null;

        $scheduled    = intval($_POST['scheduled'] ?? 0);
        $cycle        = intval($_POST['scheduled_cycle'] ?? 0);

        // Two-person OFF = NULL
        if (!$person_cnt) {
            $person_cnt    = null;
            $person_reason = null;
        }

        // Recurring OFF = 0
        if (!$scheduled) {
            $cycle = 0;
        }

        qry("
            UPDATE tbl_install_waitlist
            SET
                iw_request_at          = ".($request_at ? "'{$request_at}'" : "NOW()").",
                iw_requested_due_date  = ".($due_date ? "'{$due_date}'" : "NULL").",
                iw_request_by          = ".($request_by ? "'{$request_by}'" : "NULL").",
                iw_request_note        = ".($request_note ? "'".addslashes($request_note)."'" : "NULL").",
                iw_cs_note             = ".($cs_note ? "'".addslashes($cs_note)."'" : "NULL").",
                iw_work_note           = ".($work_note ? "'".addslashes($work_note)."'" : "NULL").",

                iw_required_person_cnt = ".($person_cnt !== null ? intval($person_cnt) : "NULL").",
                iw_multi_person_reason = ".($person_reason ? "'".addslashes($person_reason)."'" : "NULL").",

                iw_scheduled            = '{$scheduled}',
                iw_scheduled_cycle      = '{$cycle}',

                iw_status               = 'WAITING'
            WHERE iw_uid = '{$iw_uid}'
            LIMIT 1
        ");

        echo $this->json(['ok' => 1]);
    }

    // 수정을 위한
    public function get_install_wait_detail() {
        $iw_uid = intval($_POST['iw_uid'] ?? 0);

        $rs = qry("
            SELECT *
            FROM tbl_install_waitlist
            WHERE iw_uid = '{$iw_uid}'
            LIMIT 1
        ");
        $row = mysqli_fetch_assoc($rs);

        echo json_encode($row ?: null);
    }

    public function get_install_wait_containers() {
        $iw_uid = intval($_POST['iw_uid'] ?? 0);

        $rows = [];
        $rs = qry("
            SELECT *
            FROM tbl_install_waitlist_container
            WHERE iwc_wait_uid = '{$iw_uid}'
            ORDER BY iwc_action
        ");
        while ($r = mysqli_fetch_assoc($rs)) {
            $rows[] = $r;
        }

        echo json_encode($rows);
    }


    // =========================================
    // install wait list - right
    // =========================================
    public function inq_daily_install_points() {

        $di_install_date = trim($_POST['di_install_date'] ?? '');
        $di_driver_uid   = intval($_POST['di_driver_uid'] ?? 0);

        if (!$di_install_date || !$di_driver_uid) {
            echo $this->json([]);
            return;
        }

        // install.php 스타일: addslashes / qry
        $date = addslashes($di_install_date);

        $sql = "
            SELECT
                di.di_uid,
                di.di_order_seq,
                di.di_driver_uid,
                ifnull(mem.m_initial,'') as di_customer_driver_initial,
                di.di_install_date,
                di.di_install_time,
                di.di_wait_uid,
                di.di_customer_uid,
                di.di_accountno,
                di.di_phone,
                di.di_address,
                di.di_city,
                di.di_postal,
                di.di_lat,
                di.di_lng,
                di.di_work_type,
                di.di_status,
                c.c_name AS di_customer_name,
                SUM(
                CASE
                    WHEN dic.dic_action = 'REMOVE'
                    AND dic.dic_type = 'D'
                    THEN 1 ELSE 0
                END
                ) AS remove_d_cnt,
                SUM(
                CASE
                    WHEN dic.dic_action = 'REMOVE'
                    AND dic.dic_type <> 'D'
                    THEN 1 ELSE 0
                END
                ) AS remove_b_cnt,
                SUM(
                CASE
                    WHEN dic.dic_action = 'INSTALL'
                    AND dic.dic_type = 'D'
                    THEN 1 ELSE 0
                END
                ) AS install_d_cnt,
                SUM(
                CASE
                    WHEN dic.dic_action = 'INSTALL'
                    AND dic.dic_type <> 'D'
                    THEN 1 ELSE 0
                END
                ) AS install_b_cnt

            FROM tbl_daily_install di
            LEFT JOIN tbl_member mem
                ON di.di_customer_driver_uid = mem.m_uid
            LEFT JOIN tbl_customer c
                ON c.c_uid = di.di_customer_uid
            LEFT JOIN tbl_daily_install_container dic
                ON dic.dic_di_uid = di.di_uid
            WHERE di.di_status = 'A'
                AND di.di_install_date = '{$date}'
                AND di.di_driver_uid = '{$di_driver_uid}'
            GROUP BY di.di_uid
            ORDER BY di.di_order_seq ASC

        ";

        $res = qry($sql);

        $rows = [];
        while ($row = mysqli_fetch_assoc($res)) {
            $rows[] = $row;
        }

        echo $this->json($rows);
    }

    private function insert_daily_install_from_waitlist($iw_uid, $di_driver_uid, $di_install_date, $di_order_seq) {

        $created_by = mysqli_real_escape_string($GLOBALS['conn'], $_SESSION['ss_UID'] ?? '');
        $sql = "
            INSERT INTO tbl_daily_install (
                di_order_seq,
                di_driver_uid,
                di_install_date,
                di_wait_uid,
                di_customer_uid,
                di_customer_name,
                di_customer_driver_uid,
                di_accountno,
                di_phone,
                di_address,
                di_city,
                di_postal,
                di_lat,
                di_lng,
                di_work_type,
                di_oil_pickup,
                di_request_note,
                di_work_note,
                di_created_by
            )
            SELECT
                '{$di_order_seq}',
                '{$di_driver_uid}',
                '{$di_install_date}',
                iw.iw_uid,
                iw.iw_customer_uid,
                iw.iw_customer_name,
                c.c_driveruid,
                iw.iw_accountno,
                iw.iw_phone,
                iw.iw_address,
                iw.iw_city,
                iw.iw_postal,
                iw.iw_lat,
                iw.iw_lng,
                iw.iw_work_type,
                iw.iw_need_oil_pickup,
                iw.iw_request_note,
                iw.iw_work_note,
                '{$created_by}'
            FROM tbl_install_waitlist iw
            LEFT JOIN tbl_customer c
                ON c.c_uid = iw.iw_customer_uid
            WHERE iw_uid = '{$iw_uid}'
        ";

        if (!qry($sql)) {
            return false;
        }

        return mysqli_insert_id($GLOBALS['conn']);
    }

    private function insert_daily_install_container_from_waitlist($di_uid, $iw_uid) {

        $sql = "
            INSERT INTO tbl_daily_install_container (
                dic_di_uid,
                dic_action,
                dic_type,
                dic_capacity,
                dic_is_used,
                dic_has_lock,
                dic_has_wheel,
                dic_has_woodframe,
                dic_owner_type
            )
            SELECT
                '{$di_uid}',
                iwc_action,
                iwc_type,
                iwc_capacity,
                iwc_is_used,
                iwc_has_lock,
                iwc_has_wheel,
                iwc_has_woodframe,
                iwc_owner_type
            FROM tbl_install_waitlist_container
            WHERE iwc_wait_uid = '{$iw_uid}'
        ";

        // 0 row여도 정상
        return qry($sql) !== false;
    }

    private function update_waitlist_status($iw_uid, $status) {

        $status = mysqli_real_escape_string($GLOBALS['conn'], $status);

        $sql = "
            UPDATE tbl_install_waitlist
            SET iw_status = '{$status}'
            WHERE iw_uid = '{$iw_uid}'
        ";

        return qry($sql);
    }

    public function confirm_daily_install() {

        $trial_rows      = $_POST['trial_rows'] ?? [];
        $existing_rows   = $_POST['existing_rows'] ?? [];
        $di_driver_uid   = intval($_POST['di_driver_uid'] ?? 0);
        $di_install_date = $_POST['di_install_date'] ?? null;

        $fail = function($stage, $msg, $extra = []) {
            echo $this->json(array_merge([
                'ok'    => 0,
                'stage' => $stage,
                'msg'   => $msg,
                'db'    => mysqli_error($GLOBALS['conn'])
            ], $extra));
            exit;
        };

        if (!$di_driver_uid || !$di_install_date) {
            $fail('validate', 'invalid params');
        }

        // 둘 다 비면 아무것도 할게 없음
        if ((!is_array($trial_rows) || !count($trial_rows)) && (!is_array($existing_rows) || !count($existing_rows))) {
            $fail('validate', 'nothing to confirm');
        }

        qry("START TRANSACTION");

        /* =======================================================
        A) 기존 daily_install 순서 업데이트
        ======================================================= */
        if (is_array($existing_rows) && count($existing_rows)) {
            foreach ($existing_rows as $idx => $row) {
                $di_uid       = intval($row['di_uid'] ?? 0);
                $di_order_seq = intval($row['di_order_seq'] ?? 0);

                if (!$di_uid || !$di_order_seq) {
                    qry("ROLLBACK");
                    $fail('validate_existing_row', 'invalid existing row', ['row'=>$row]);
                }

                // driver/date까지 같이 조건으로 걸면 더 안전함 (다른 날짜/driver 수정 방지)
                $sql = "
                    UPDATE tbl_daily_install
                    SET di_order_seq = '{$di_order_seq}'
                    WHERE di_uid = '{$di_uid}'
                    AND di_driver_uid = '{$di_driver_uid}'
                    AND di_install_date = '{$di_install_date}'
                    LIMIT 1
                ";

                if (!qry($sql)) {
                    qry("ROLLBACK");
                    $fail('update_existing_order', 'failed', ['di_uid'=>$di_uid]);
                }
            }
        }

        /* =======================================================
        B) trial(waitlist) -> daily_install INSERT + status update
        ======================================================= */
        if (is_array($trial_rows) && count($trial_rows)) {
            foreach ($trial_rows as $idx => $row) {

                $iw_uid       = intval($row['iw_uid'] ?? 0);
                $di_order_seq = intval($row['di_order_seq'] ?? 0);

                if (!$iw_uid || !$di_order_seq) {
                    qry("ROLLBACK");
                    $fail('validate_trial_row', 'invalid trial row', ['row'=>$row]);
                }

                $di_uid = $this->insert_daily_install_from_waitlist(
                    $iw_uid,
                    $di_driver_uid,
                    $di_install_date,
                    $di_order_seq
                );

                if (!$di_uid) {
                    qry("ROLLBACK");
                    $fail('insert_daily_install', 'failed', ['iw_uid'=>$iw_uid]);
                }

                if (!$this->insert_daily_install_container_from_waitlist($di_uid, $iw_uid)) {
                    qry("ROLLBACK");
                    $fail('insert_container', 'failed', ['iw_uid'=>$iw_uid]);
                }

                if (!$this->update_waitlist_status($iw_uid, 'ASSIGNED')) {
                    qry("ROLLBACK");
                    $fail('update_waitlist', 'failed', ['iw_uid'=>$iw_uid]);
                }
            }
        }

        qry("COMMIT");
        echo $this->json(['ok'=>1]);
        exit;
    }


    public function unassign_daily_install() {

        $di_uid = intval($_POST['di_uid'] ?? 0);
        if (!$di_uid) {
            echo $this->json(['ok'=>0,'msg'=>'invalid di_uid']);
            return;
        }

        $fail = function($stage, $msg, $extra = []) {
            echo $this->json(array_merge([
                'ok'    => 0,
                'stage' => $stage,
                'msg'   => $msg,
                'db'    => mysqli_error($GLOBALS['conn'])
            ], $extra));
            exit;
        };

        $qr = qry("SELECT di_wait_uid, di_driver_uid, di_install_date FROM tbl_daily_install WHERE di_uid = '{$di_uid}'");
        $row = fetch_array($qr);

        if (empty($row['di_wait_uid'])) {
            $fail('select', 'daily_install not found', ['di_uid'=>$di_uid]);
        }

        $iw_uid        = intval($row['di_wait_uid']);
        $di_driver_uid = intval($row['di_driver_uid']);
        $di_install_date = $row['di_install_date']; // ✅ 문자열 유지

        qry("START TRANSACTION");

        // container 삭제는 하지말자.
        // if (qry("DELETE FROM tbl_daily_install_container WHERE dic_di_uid = '{$di_uid}'") === false) {
        //     qry("ROLLBACK");
        //     $fail('delete_container', 'failed', ['di_uid'=>$di_uid]);
        // }

        // daily_install 삭제
        if (!qry("DELETE FROM tbl_daily_install WHERE di_uid = '{$di_uid}' LIMIT 1")) {
            qry("ROLLBACK");
            $fail('delete_daily_install', 'failed', ['di_uid'=>$di_uid]);
        }

        // waitlist WAITING 복귀
        if (!$this->update_waitlist_status($iw_uid, 'WAITING')) {
            qry("ROLLBACK");
            $fail('update_waitlist', 'failed', ['iw_uid'=>$iw_uid]);
        }

        // seq 재정렬 (같은 driver/date)
        if (!$this->resequence_daily_install($di_driver_uid, $di_install_date)) {
            qry("ROLLBACK");
            $fail('resequence', 'failed', ['di_driver_uid'=>$di_driver_uid,'di_install_date'=>$di_install_date]);
        }

        qry("COMMIT");
        echo $this->json(['ok'=>1]);
    }

    public function resequence_daily_install($di_driver_uid, $di_install_date) {

        $di_driver_uid = intval($di_driver_uid);
        $di_install_date = mysqli_real_escape_string($GLOBALS['conn'], $di_install_date);

        $qr = qry("
            SELECT di_uid
            FROM tbl_daily_install
            WHERE di_driver_uid = '{$di_driver_uid}'
                AND di_install_date = '{$di_install_date}'
                AND di_status = 'A'
            ORDER BY di_order_seq ASC, di_uid ASC
        ");

        if (!$qr) return false;

        $seq = 1;
        while ($row = fetch_array($qr)) {
            $di_uid = intval($row['di_uid']);
            if (!qry("UPDATE tbl_daily_install SET di_order_seq = '{$seq}' WHERE di_uid = '{$di_uid}'")) {
                return false;
            }
            $seq++;
        }

        return true;
    }

    public function update_waitlist_latlng() {

        $iw_uid = intval($_POST['iw_uid'] ?? 0);
        $lat    = $_POST['lat'] ?? null;
        $lng    = $_POST['lng'] ?? null;

        if (!$iw_uid || !$lat || !$lng) {
            echo $this->json(['ok'=>0,'msg'=>'invalid params']);
            return;
        }

        $lat = floatval($lat);
        $lng = floatval($lng);

        $sql = "
            UPDATE tbl_install_waitlist
            SET
                iw_lat = '{$lat}',
                iw_lng = '{$lng}'
            WHERE iw_uid = '{$iw_uid}'
            LIMIT 1
        ";

        if (!qry($sql)) {
            echo $this->json([
                'ok' => 0,
                'msg'=> 'update failed',
                'db' => mysqli_error($GLOBALS['conn'])
            ]);
            return;
        }

        echo $this->json(['ok'=>1]);
    }

    public function get_customer_container_one(){
        $cc_uid = intval($_POST['cc_uid']);

        $r = mysqli_query($GLOBALS['conn'],"SELECT * FROM tbl_customer_container WHERE cc_uid='{$cc_uid}' LIMIT 1");
        $row = mysqli_fetch_assoc($r);

        if(!$row){
            echo $this->json(['ok'=>0]);
            return;
        }

        if(!$row){
            echo $this->json(['ok'=>0]);
            return;
        }
        echo $this->json(['ok'=>1,'row'=>$row]);
    }

    public function customer_container_save(){

        $mode = $_POST['mode'] ?? 'ADD';
        $cc_uid = intval($_POST['cc_uid'] ?? 0);
        $c_uid = intval($_POST['c_uid'] ?? 0);

        $type = addslashes($_POST['type'] ?? '');
        $capacity = $_POST['capacity'] !== '' ? intval($_POST['capacity']) : "NULL";
        $is_used = $_POST['is_used'] ?? 'N';
        $has_lock = $_POST['has_lock'] ?? 'N';
        $has_wheel = $_POST['has_wheel'] ?? 'N';
        $has_frame = $_POST['has_frame'] ?? 'N';
        $owner_type = $_POST['owner_type'] ?? 'C';
        $install_date = $_POST['install_date'] ?? null;
        $remove_date = $_POST['remove_date'] ?? null;
        $install_note = addslashes($_POST['install_note'] ?? '');
        $remove_note = addslashes($_POST['remove_note'] ?? '');

        if($mode==='ADD'){
            $sql = "
                INSERT INTO tbl_customer_container
                (cc_customer_uid,cc_type,cc_capacity,cc_is_used,
                cc_has_lock,cc_has_wheel,cc_has_woodframe,cc_owner_type,
                cc_status,cc_install_at,cc_install_note,
                cc_createddate,cc_updateddate)
                VALUES(
                '{$c_uid}','{$type}',{$capacity},
                '{$is_used}','{$has_lock}','{$has_wheel}','{$has_frame}','{$owner_type}',
                'A','{$install_date}','{$install_note}',
                DATE_FORMAT(NOW(),'%Y%m%d%H%i%s'),
                DATE_FORMAT(NOW(),'%Y%m%d%H%i%s')
                )
            ";
            qry($sql);
        }

        if ($mode === 'EDIT') {

            $result = qry("SELECT cc_status FROM tbl_customer_container WHERE cc_uid='{$cc_uid}'");
            $row = mysqli_fetch_assoc($result);

            if (!$row) {
                echo $this->json(['ok'=>0,'msg'=>'invalid container']);
                return;
            }

            $status = $row['cc_status'];
            // 날짜 처리 (빈 값이면 NULL)
            $install_at_sql = $install_date  ? "'{$install_date} 00:00:00'" : "NULL";
            $remove_at_sql = $remove_date ? "'{$remove_date} 00:00:00'" : "NULL";

            // ===== ACTIVE 수정 =====
            if ($status === 'A') {
                $sql = "
                    UPDATE tbl_customer_container SET
                    cc_capacity={$capacity},
                    cc_is_used='{$is_used}',
                    cc_has_lock='{$has_lock}',
                    cc_has_wheel='{$has_wheel}',
                    cc_has_woodframe='{$has_frame}',
                    cc_owner_type='{$owner_type}',
                    cc_install_at={$install_at_sql},
                    cc_install_note='{$install_note}',
                    cc_modified_at=NOW(),
                    cc_updateddate=DATE_FORMAT(NOW(),'%Y%m%d%H%i%s')
                    WHERE cc_uid='{$cc_uid}'
                ";
                qry($sql);
            }
            // ===== INACTIVE 수정 =====
            else {
                $sql = "
                    UPDATE tbl_customer_container SET
                    cc_remove_at={$remove_at_sql},
                    cc_remove_note='{$remove_note}',
                    cc_modified_at=NOW(),
                    cc_updateddate=DATE_FORMAT(NOW(),'%Y%m%d%H%i%s')
                    WHERE cc_uid='{$cc_uid}'
                ";
                qry($sql);
            }
        }

        if($mode==='REMOVE'){
            $sql="
                UPDATE tbl_customer_container SET
                cc_status='I',
                cc_remove_date='{$remove_date}',
                cc_remove_note='{$remove_note}',
                cc_remove_at=NOW(),
                cc_updateddate=DATE_FORMAT(NOW(),'%Y%m%d%H%i%s')
                WHERE cc_uid='{$cc_uid}'
            ";
            qry($sql);
        }

        // 
        if ($install_date) {

            $install_yyyymmdd = str_replace('-', '', $install_date);

            // 현재 c_installdate 가져오기
            $r = qry("SELECT c_installdate FROM tbl_customer WHERE c_uid='{$c_uid}'");
            $row = mysqli_fetch_assoc($r);
            $current = $row['c_installdate'];

            if (!$current || $current === 'N/A' || $install_yyyymmdd < $current) {

                qry("
                    UPDATE tbl_customer
                    SET c_installdate='{$install_yyyymmdd}'
                    WHERE c_uid='{$c_uid}'
                ");
            }
        }

        if ($remove_date) {

            $remove_yyyymmdd = str_replace('-', '', $remove_date);

            $r = qry("SELECT c_removaldate FROM tbl_customer WHERE c_uid='{$c_uid}'");
            $row = mysqli_fetch_assoc($r);
            $current = $row['c_removaldate'];

            if (!$current || $current === 'N/A' || $remove_yyyymmdd > $current) {

                qry("
                    UPDATE tbl_customer
                    SET c_removaldate='{$remove_yyyymmdd}'
                    WHERE c_uid='{$c_uid}'
                ");
            }
        }


        echo $this->json(['ok'=>1]);
    }

    // DAILY INSTALL 
    public function daily_install_update_status()
    {
        $di_uid     = intval($_POST['di_uid'] ?? 0);
        $member_uid = intval($_POST['member_uid'] ?? 0);
        $newStatus  = strtoupper(trim($_POST['status'] ?? ''));
        $note       = trim($_POST['install_note'] ?? '');
        $oil_qty    = intval($_POST['oil_qty'] ?? 0);

        $allowed = ['P','M','X'];

        $fail = function($stage, $msg) {
            echo $this->json([
                'ok'    => 0,
                'stage' => $stage,
                'msg'   => $msg,
                'db'    => mysqli_error($GLOBALS['conn'])
            ]);
            exit;
        };

        if(!$di_uid || !$member_uid || !in_array($newStatus, $allowed)){
            $fail('validate', 'invalid params');
        }

        // 1) install 조회
        $qr = qry("
            SELECT *
            FROM tbl_daily_install
            WHERE di_uid = '{$di_uid}'
            LIMIT 1
        ");
        $di = mysqli_fetch_assoc($qr);
        if(!$di){
            $fail('select_di', 'not found');
        }

        qry("START TRANSACTION");

        try {

            // 2) 상태 업데이트
            $this->updateDailyInstallStatus($di_uid, $newStatus, $note, $oil_qty);

            // 3) 컨테이너 반영
            if ($di['di_status'] === 'A' && $newStatus === 'P') {
                $this->apply_container_changes_for_di($di_uid, intval($di['di_customer_uid']));
            }

            // 4) oil pickup → daily
            $this->saveDailyFromInstallIfNeeded($di_uid, $oil_qty);

            // 5) waitlist 처리
            $this->handleWaitlistAfterInstall($di, $newStatus, $member_uid, $note);

            // 6) 순서 재정렬
            $this->reorder_daily_install_sequence(
                $di['di_driver_uid'],
                $di['di_install_date']
            );

            qry("COMMIT");
            echo $this->json(['ok'=>1]);
            exit;

        } catch (Exception $e) {
            qry("ROLLBACK");
            $fail('exception', $e->getMessage());
        }
    }

    private function updateDailyInstallStatus(
        int $di_uid,
        string $newStatus,
        string $note,
        int $oil_qty
    )
    {
        $conn = $GLOBALS['conn'];

        $newStatus = mysqli_real_escape_string($conn, $newStatus);
        $noteEsc   = mysqli_real_escape_string($conn, $note);
        $oil_qty   = intval($oil_qty);

        $sql = "
            UPDATE tbl_daily_install
            SET
                di_status = '{$newStatus}',
                di_install_note = '{$noteEsc}',
                di_oil_pickup = '{$oil_qty}',
                di_install_time = IF('{$newStatus}' <> 'A', CURTIME(), di_install_time)
            WHERE di_uid = '{$di_uid}'
            LIMIT 1
        ";

        if (!qry($sql)) {
            throw new Exception('daily install status update failed');
        }
    }

    private function saveDailyFromInstallIfNeeded(int $di_uid, int $oil_qty): void
    {
        // 0이면 daily에 반영할 필요 없음
        if ($oil_qty <= 0) return;

        // payload 만들기
        $payload = $this->buildDailyPayloadFromInstall($di_uid, $oil_qty);

        // ************************************************* payload 에 아래 포함시켜라.
        // $payload['d_jobtype'] = $payload['d_jobtype'] ?? 'INSTALL';

        $this->saveDaily($payload, ['in_tx' => 1]);
    }

    private function handleWaitlistAfterInstall(array $di, string $newStatus, int $member_uid, string $note)
    {
        $wait_uid = intval($di['di_wait_uid']);
        if ($wait_uid <= 0) return;

        if (in_array($newStatus, ['P','M'])) {

            $this->updateWaitlistStatus($wait_uid, 'COMPLETED');

            $this->createNextScheduleIfNeeded(
                $wait_uid,
                $di['di_install_date'],
                $member_uid
            );

        } elseif ($newStatus === 'X') {

            $this->updateWaitlistStatus($wait_uid, 'WAITING', $member_uid, $note);
        }
    }

    private function updateWaitlistStatus(
        int $wait_uid,
        string $status,
        ?int $member_uid = null,
        ?string $note = null
    )
    {
        $status = strtoupper($status);

        $allowed = ['COMPLETED', 'WAITING'];
        if (!in_array($status, $allowed, true)) {
            throw new Exception('invalid waitlist status');
        }

        $setParts = [];
        $setParts[] = "iw_status = '{$status}'";

        if ($status === 'COMPLETED') {
            // 완료 시 cancel 정보 초기화
            $setParts[] = "iw_cancel_note = NULL";
            $setParts[] = "iw_cancel_at = NULL";
            $setParts[] = "iw_cancel_by = NULL";
        }

        if ($status === 'WAITING') {
            // 취소로 되돌릴 때
            $noteEsc = mysqli_real_escape_string($GLOBALS['conn'], $note ?? '');
            $member  = intval($member_uid ?? 0);

            $setParts[] = "iw_cancel_note = '{$noteEsc}'";
            $setParts[] = "iw_cancel_at = NOW()";
            $setParts[] = "iw_cancel_by = '{$member}'";
        }

        $sql = "
            UPDATE tbl_install_waitlist
            SET " . implode(',', $setParts) . "
            WHERE iw_uid = '{$wait_uid}'
            LIMIT 1
        ";

        if (!qry($sql)) {
            throw new Exception('waitlist status update failed');
        }
    }

    private function createNextScheduleIfNeeded(int $wait_uid, string $installDate, int $member_uid)
    {
        $qr = qry("SELECT * FROM tbl_install_waitlist WHERE iw_uid = '{$wait_uid}' LIMIT 1");
        $wait = mysqli_fetch_assoc($qr);
        if (!$wait) {
            throw new Exception('waitlist not found');
        }

        if (intval($wait['iw_scheduled']) !== 1) return;

        $cycleDays = intval($wait['iw_scheduled_cycle']);
        if ($cycleDays <= 0) return;

        if (empty($installDate)) {
            throw new Exception('install date missing');
        }

        $nextDate = date('Y-m-d', strtotime($installDate . " +{$cycleDays} days"));

        // 
        $sql = "
            INSERT INTO tbl_install_waitlist (
                iw_customer_uid,
                iw_accountno,
                iw_customer_name,
                iw_phone,
                iw_address,
                iw_city,
                iw_postal,
                iw_requested_due_date,
                iw_work_type,
                iw_status,
                iw_priority,
                iw_created_by,
                iw_scheduled,
                iw_scheduled_cycle,
                iw_request_by,
                iw_request_note,
                iw_cs_note,
                iw_request_source
            ) VALUES (
                '{$wait['iw_customer_uid']}',
                '{$wait['iw_accountno']}',
                '".mysqli_real_escape_string($GLOBALS['conn'], $wait['iw_customer_name'])."',
                '".mysqli_real_escape_string($GLOBALS['conn'], $wait['iw_phone'])."',
                '".mysqli_real_escape_string($GLOBALS['conn'], $wait['iw_address'])."',
                '".mysqli_real_escape_string($GLOBALS['conn'], $wait['iw_city'])."',
                '".mysqli_real_escape_string($GLOBALS['conn'], $wait['iw_postal'])."',
                '{$nextDate}',
                '".mysqli_real_escape_string($GLOBALS['conn'], $wait['iw_work_type'])."',
                'WAITING',
                '{$wait['iw_priority']}',
                '{$wait['iw_created_by']}',
                1,
                '{$cycleDays}',
                '{$wait['iw_request_by']}',
                '".mysqli_real_escape_string($GLOBALS['conn'], (string)$wait['iw_request_note'])."',
                '".mysqli_real_escape_string($GLOBALS['conn'], (string)$wait['iw_cs_note'])."',
                'AUTO'
            )
        ";

        if (!qry($sql)) {
            throw new Exception('auto reschedule insert failed');
        }

        // 새 wait uid
        $new_wait_uid = mysqli_insert_id($GLOBALS['conn']);
        if (!$new_wait_uid) {
            throw new Exception('auto reschedule insert id missing');
        }

        // 컨테이너 복사
        $this->copyWaitContainers($wait_uid, (int)$new_wait_uid);
    }

    private function copyWaitContainers(int $from_wait_uid, int $to_wait_uid): void
    {
        $sql = "
            INSERT INTO tbl_install_waitlist_container (
                iwc_wait_uid,
                iwc_action,
                iwc_type,
                iwc_capacity,
                iwc_is_used,
                iwc_has_lock,
                iwc_has_wheel,
                iwc_has_woodframe,
                iwc_target_cc_uid,
                iwc_owner_type
            )
            SELECT
                '{$to_wait_uid}' AS iwc_wait_uid,
                iwc_action,
                iwc_type,
                iwc_capacity,
                iwc_is_used,
                iwc_has_lock,
                iwc_has_wheel,
                iwc_has_woodframe,
                iwc_target_cc_uid,
                iwc_owner_type
            FROM tbl_install_waitlist_container
            WHERE iwc_wait_uid = '{$from_wait_uid}'
        ";

        if (!qry($sql)) {
            throw new Exception('container copy insert failed');
        }
    }

    private function buildDailyPayloadFromInstall(int $di_uid, int $oil_qty): array
    {
        $qr = qry("SELECT * FROM tbl_daily_install WHERE di_uid='{$di_uid}' LIMIT 1");
        $di = mysqli_fetch_assoc($qr);
        if (!$di) throw new Exception('install not found');

        $orderdate = date('Ymd', strtotime($di['di_install_date']));
        $now14 = date('YmdHis');

        $qrCus = qry("SELECT * FROM tbl_customer WHERE c_uid='{$di['di_customer_uid']}' LIMIT 1");
        $customer = mysqli_fetch_assoc($qrCus);
        if (!$customer) throw new Exception('customer not found');

        $days = 0;
        if (!empty($customer['c_lastpickupdate'])) {
            $last  = strtotime(substr($customer['c_lastpickupdate'],0,8));
            $today = strtotime($orderdate);
            $days  = max(0, floor(($today-$last)/86400));
        }

        $estquantity = max(
            0,
            ($customer['c_fullquantity'] - $customer['c_fullquantitydaily'])
            + ($days * $customer['c_fullquantitydaily'])
        );

        return [
            'd_orderdate' => $orderdate,
            'd_accountno' => $di['di_accountno'],
            'd_customeruid' => $di['di_customer_uid'],
            // 'd_driveruid' => $di['di_driver_uid'],
            'd_driveruid' => 43, // 현재 E.X 로 고정, hard coding
            'd_name' => $di['di_customer_name'],
            'd_paymenttype' => $customer['c_paymenttype'],
            'd_cycle' => $customer['c_paymentcycle'],
            'd_rate' => $customer['c_rate'],
            'd_status' => 'F',
            'd_visit' => 'Y',
            'd_visitdate' => $now14,
            'd_quantity' => $oil_qty,
            'd_estquantity' => $estquantity,
            'd_inputdate' => $now14,
            'd_createddate' => $now14,
            'd_createruid' => $_SESSION['ss_UID'] ?? ''
        ];
    }


    public function upload_after_photo() {

        $di_uid     = intval($_POST['di_uid'] ?? 0);
        $member_uid = intval($_POST['member_uid'] ?? 0);
        $note       = trim($_POST['note'] ?? '');

        $fail = function($stage, $msg, $extra = []) {
            echo $this->json(array_merge([
                'ok'    => 0,
                'stage' => $stage,
                'msg'   => $msg,
                'db'    => mysqli_error($GLOBALS['conn'])
            ], $extra));
            exit;
        };

        if(!$di_uid || !$member_uid){
            $fail('validate', 'invalid params');
        }

        // daily_install 확인 (customer_uid 가져오기)
        $qr = qry("
            SELECT di_customer_uid
            FROM tbl_daily_install
            WHERE di_uid = '{$di_uid}'
            LIMIT 1
        ");
        $di = mysqli_fetch_assoc($qr);
        if(!$di){
            $fail('select_di', 'daily_install not found');
        }

        if(!isset($_FILES['after_photo']) || $_FILES['after_photo']['error'] !== 0){
            $fail('file', 'no file');
        }

        $customer_uid = intval($di['di_customer_uid']);
        $file = $_FILES['after_photo'];

        $ok = $this->save_customer_image_single(
            $customer_uid,
            $member_uid,
            'install',
            $di_uid,   // i_sourceuid = di_uid
            $note,
            $file
        );

        if(!$ok){
            $fail('save_image', 'upload failed');
        }

        echo $this->json(['ok'=>1]);
        exit;
    }

    private function save_customer_image_single($i_customeruid, $i_memberuid, $i_type, $i_sourceuid, $i_note, $file){

        $conn = $GLOBALS['conn'];

        $i_customeruid = intval($i_customeruid);
        $i_memberuid   = intval($i_memberuid);
        $i_sourceuid   = intval($i_sourceuid);

        $i_type    = mysqli_real_escape_string($conn, $i_type);
        $i_noteEsc = mysqli_real_escape_string($conn, trim($i_note));
        $i_createddate = date("YmdHis");

        // 확장자 체크(최소 보안)
        $allowed = ['jpg','jpeg','png','webp'];
        $ext = strtolower(pathinfo($file['name'] ?? '', PATHINFO_EXTENSION));
        if(!$ext || !in_array($ext, $allowed)){
            return false;
        }

        // 작업 단위 1장 유지: (customeruid + type + sourceuid)
        $qry_update = "
            UPDATE tbl_customer_image
            SET i_status = 'I'
            WHERE i_customeruid = '{$i_customeruid}'
            AND i_type = '{$i_type}'
            AND i_sourceuid = '{$i_sourceuid}'
            AND i_status = 'A'
        ";
        if(qry($qry_update) === false) return false;

        // 저장 폴더
        $upload_folder = getenv("DOCUMENT_ROOT")."/upload/customer_image/".$i_customeruid;
        if(!is_dir($upload_folder)){
            mkdir($upload_folder, 0777, true);
        }

        $newFileName = "IMG_".$i_customeruid."_".time().rand(1000,9999)."_0.".$ext;
        $savePath = $upload_folder . "/" . $newFileName;

        if(!move_uploaded_file($file['tmp_name'], $savePath)){
            return false;
        }

        $dbFilePath = "/upload/customer_image/".$i_customeruid."/";

        $sqlIns = "
            INSERT INTO tbl_customer_image (
                i_customeruid,
                i_memberuid,
                i_createdby,
                i_createddate,
                i_type,
                i_filename,
                i_filepath,
                i_status,
                i_note,
                i_sourceuid
            ) VALUES (
                '{$i_customeruid}',
                '{$i_memberuid}',
                '{$i_memberuid}',
                '{$i_createddate}',
                '{$i_type}',
                '{$newFileName}',
                '{$dbFilePath}',
                'A',
                '{$i_noteEsc}',
                '{$i_sourceuid}'
            )
        ";

        return qry($sqlIns) !== false;
    }

    private function apply_container_changes_for_di($di_uid, $customer_uid){

        $containers = [];
        $rc = qry("SELECT * FROM tbl_daily_install_container WHERE dic_di_uid = '{$di_uid}'");

        while($row = mysqli_fetch_assoc($rc)){
            $containers[] = $row;
        }

        foreach($containers as $c){

            $action = strtoupper($c['dic_action'] ?? '');
            $type = mysqli_real_escape_string($GLOBALS['conn'], $c['dic_type'] ?? '');

            if(is_null($c['dic_capacity'])){
                $capacityCond = "IS NULL";
                $capacityVal  = "NULL";
            }else{
                $cap = intval($c['dic_capacity']);
                $capacityCond = "= '{$cap}'";
                $capacityVal  = "'{$cap}'";
            }

            $owner_type = mysqli_real_escape_string($GLOBALS['conn'], $c['dic_owner_type'] ?? 'C');
            $is_used    = mysqli_real_escape_string($GLOBALS['conn'], $c['dic_is_used'] ?? 'N');
            $has_lock   = mysqli_real_escape_string($GLOBALS['conn'], $c['dic_has_lock'] ?? 'N');
            $has_wheel  = mysqli_real_escape_string($GLOBALS['conn'], $c['dic_has_wheel'] ?? 'N');
            $has_wood   = mysqli_real_escape_string($GLOBALS['conn'], $c['dic_has_woodframe'] ?? 'N');

            // REMOVE
            if($action === 'REMOVE'){

                $removeNote = mysqli_real_escape_string(
                    $GLOBALS['conn'],
                    "Removed via DI#{$di_uid}"
                );

                qry("
                    UPDATE tbl_customer_container
                    SET cc_status='I',
                        cc_remove_note='{$removeNote}',
                        cc_remove_at=NOW(),
                        cc_remove_date=NOW(),
                        cc_modified_at=NOW()
                    WHERE cc_uid = (
                        SELECT cc_uid FROM (
                            SELECT cc_uid
                            FROM tbl_customer_container
                            WHERE cc_customer_uid='{$customer_uid}'
                            AND cc_status='A'
                            AND cc_type='{$type}'
                            AND (cc_capacity {$capacityCond})
                            ORDER BY IFNULL(cc_install_at,'1970-01-01'), cc_uid
                            LIMIT 1
                        ) x
                    )
                ");
            }

            // INSTALL
            else if($action === 'INSTALL'){

                $nowYmdHis = date('YmdHis');

                qry("
                    INSERT INTO tbl_customer_container (
                        cc_customer_uid,
                        cc_type, cc_capacity,
                        cc_owner_type,
                        cc_is_used, cc_has_lock, cc_has_wheel, cc_has_woodframe,
                        cc_status,
                        cc_install_note,
                        cc_install_at, cc_install_date,
                        cc_createddate, cc_updateddate,
                        cc_modified_at
                    ) VALUES (
                        '{$customer_uid}',
                        '{$type}', {$capacityVal},
                        '{$owner_type}',
                        '{$is_used}', '{$has_lock}', '{$has_wheel}', '{$has_wood}',
                        'A',
                        'Installed via DI#{$di_uid}',
                        NOW(), NOW(),
                        '{$nowYmdHis}', '{$nowYmdHis}',
                        NOW()
                    )
                ");
            }
        }
    }

    private function reorder_daily_install_sequence($driver_uid, $install_date) {

        $driver_uid = intval($driver_uid);
        $install_date = mysqli_real_escape_string($GLOBALS['conn'], $install_date);

        $seq = 1;

        // ================================
        // 완료된 것들 먼저 (P/M/X)
        // ================================
        $rsDone = qry("
            SELECT di_uid
            FROM tbl_daily_install
            WHERE di_driver_uid = '{$driver_uid}'
                AND di_install_date = '{$install_date}'
                AND di_status <> 'A'
            ORDER BY di_order_seq ASC
        ");

        while($row = mysqli_fetch_assoc($rsDone)){
            $uid = intval($row['di_uid']);
            qry("
                UPDATE tbl_daily_install
                SET di_order_seq = '{$seq}'
                WHERE di_uid = '{$uid}'
            ");
            $seq++;
        }

        // ================================
        // 그 다음 대기 상태 업데이트
        // ================================
        $rsActive = qry("
            SELECT di_uid
            FROM tbl_daily_install
            WHERE di_driver_uid = '{$driver_uid}'
                AND di_install_date = '{$install_date}'
                AND di_status = 'A'
            ORDER BY di_order_seq ASC
        ");

        while($row = mysqli_fetch_assoc($rsActive)){
            $uid = intval($row['di_uid']);
            qry("
                UPDATE tbl_daily_install
                SET di_order_seq = '{$seq}'
                WHERE di_uid = '{$uid}'
            ");
            $seq++;
        }
    }

    public function daily_install_reorder() {

        $driver_uid = intval($_POST['driver_uid'] ?? 0);
        $orderJson  = $_POST['order_list'] ?? '';

        $fail = function($stage, $msg, $extra = []) {
            echo $this->json(array_merge([
                'ok'    => 0,
                'stage' => $stage,
                'msg'   => $msg,
                'db'    => mysqli_error($GLOBALS['conn'])
            ], $extra));
            exit;
        };

        if(!$driver_uid || !$orderJson){
            $fail('validate', 'invalid params');
        }

        $orderList = json_decode($orderJson, true);
        if(!is_array($orderList) || !count($orderList)){
            $fail('decode', 'invalid order list');
        }

        // driver의 install_date는 하나라고 가정 (화면 기준)
        $qr = qry("
            SELECT di_install_date
            FROM tbl_daily_install
            WHERE di_driver_uid = '{$driver_uid}'
            LIMIT 1
        ");
        $row = mysqli_fetch_assoc($qr);

        if(!$row){
            $fail('select_date', 'no install data');
        }

        $install_date = $row['di_install_date'];

        qry("START TRANSACTION");

        foreach($orderList as $item){

            $di_uid = intval($item['di_uid'] ?? 0);
            $seq    = intval($item['di_order_seq'] ?? 0);

            if(!$di_uid || !$seq){
                qry("ROLLBACK");
                $fail('validate_row', 'invalid row');
            }

            $sql = "
                UPDATE tbl_daily_install
                SET di_order_seq = '{$seq}'
                WHERE di_uid = '{$di_uid}'
                AND di_driver_uid = '{$driver_uid}'
                AND di_status = 'A'
                LIMIT 1
            ";

            if(!qry($sql)){
                qry("ROLLBACK");
                $fail('update', 'update failed', ['di_uid'=>$di_uid]);
            }
        }

        // 마지막에 안전하게 정렬 보정
        $this->reorder_daily_install_sequence($driver_uid, $install_date);

        qry("COMMIT");

        echo $this->json(['ok'=>1]);
        exit;
    }
}