<?php

require_once getenv("DOCUMENT_ROOT")."/assets/conf.inc.php";
require_once getenv("DOCUMENT_ROOT")."/assets/dbCon.php";
require_once getenv("DOCUMENT_ROOT")."/assets/api/customer.php";

class DailyService extends CONF {

    public function saveDaily(array $data = [], array $opt = [])
    {
        $connect = $GLOBALS['conn'] ?? null;
        if (!$connect) {
            throw new Exception("DB connection not found");
        }

        $inTx = !empty($opt['in_tx']);

        if (empty($data['d_orderdate']) || empty($data['d_accountno'])) {
            throw new Exception("d_orderdate, d_accountno required");
        }

        // =========================
        // KEY NORMALIZE
        // =========================
        $d_orderdate = preg_replace('/[^0-9]/', '', $data['d_orderdate']);
        if (strlen($d_orderdate) !== 8) {
            throw new Exception("invalid d_orderdate");
        }

        $d_accountno = mysqli_real_escape_string($connect, trim($data['d_accountno']));
        if ($d_accountno === '') {
            throw new Exception("invalid d_accountno");
        }

        $d_jobtype = mysqli_real_escape_string($connect, trim($data['d_jobtype']));
        if ($d_jobtype === '') {
            $d_jobtype = 'UCO';
        }

        $now14 = date('YmdHis');

        if (!$inTx) {
            mysqli_query($connect, "START TRANSACTION");
        }

        try {

            // =========================
            // EXISTING LOAD (개선됨)
            // =========================

            $existing = null;

            // 1. d_uid 우선 (가장 안전)
            if (!empty($opt['match_uid'])) {
                $uid = (int)$opt['match_uid'];

                $res = mysqli_query($connect, "
                    SELECT *
                    FROM tbl_daily
                    WHERE d_uid = '{$uid}'
                    LIMIT 1
                ");
                if (!$res) throw new Exception(mysqli_error($connect));

                $existing = mysqli_fetch_assoc($res);
            }

            // 2. old_key fallback (key 변경 대응)
            if (!$existing && !empty($opt['old_key'])) {

                $oldDate = preg_replace('/[^0-9]/', '', $opt['old_key']['d_orderdate'] ?? '');
                $oldAcc  = mysqli_real_escape_string($connect, $opt['old_key']['d_accountno'] ?? '');
                $oldJob  = mysqli_real_escape_string($connect, $opt['old_key']['d_jobtype'] ?? '');

                if ($oldDate && $oldAcc) {
                    $res = mysqli_query($connect, "
                        SELECT *
                        FROM tbl_daily
                        WHERE d_orderdate = '{$oldDate}'
                            AND d_accountno = '{$oldAcc}'
                            AND d_jobtype = '{$oldJob}'
                        LIMIT 1
                    ");
                    if (!$res) throw new Exception(mysqli_error($connect));

                    $existing = mysqli_fetch_assoc($res);
                }
            }

            // 3. 기본 key 매칭
            if (!$existing) {
                $res = mysqli_query($connect, "
                    SELECT * 
                    FROM tbl_daily
                    WHERE d_orderdate = '{$d_orderdate}'
                        AND d_accountno = '{$d_accountno}'
                        AND d_jobtype = '{$d_jobtype}'
                    LIMIT 1
                ");
                if (!$res) throw new Exception(mysqli_error($connect));

                $existing = mysqli_fetch_assoc($res);
            }

            $isUpdate = (bool)$existing;
            $beforeData = $existing ?: null;

            // =========================
            // DUPLICATE POLICY (중요)
            // =========================
            if ($isUpdate && empty($opt['allow_update'])) {
                if (!$inTx) mysqli_query($connect, "ROLLBACK");
                return null; // skip
            }

            // =========================
            // normalize + snapshot
            // =========================
            $data = $this->normalizeDailyPayload($data, $existing ?: null);
            $data = $this->hydrateDailySnapshot($data, $existing ?: null);

            // estquantity 자동 계산 (입력때만 안그러면 d_estquantity 값이 0으로 덮어 씌워짐)
            if (!$existing && empty($data['d_estquantity'])) {
                $data['d_estquantity'] = $this->calculateEstQuantity($data, $existing);
            }

            // note 백업 (tbl_note 로 전달할 값)
            $noteForUpsert = $data['d_note'] ?? '';
            $pickupNoteForUpsert = $data['d_pickupnote'] ?? '';
            $level = $data['d_level'] ?? 9;

            // =========================
            // 컬럼 필터링
            // =========================
            $allowed = $this->getDailyColumns();
            $data = array_intersect_key($data, array_flip($allowed));

            // =========================
            // UPDATE
            // =========================
            if ($isUpdate) {

                $setParts = [];

                foreach ($data as $k => $v) {
                    // 업데이트 제외 컬럼
                    if (in_array($k, [
                                        'd_orderdate',
                                        'd_accountno',
                                        'd_customeruid',
                                        'd_jobtype',
                                        'd_inputdate',
                                        'd_estquantity',
                                        'd_lastpickupdate',
                                        'd_lastpickupquantity',
                                        'd_lastpaiddate'
                                    ], true)) continue;
                    if (!array_key_exists($k, $existing)) continue;

                    $setParts[] = "{$k}='" . mysqli_real_escape_string($connect, (string)$v) . "'";
                }

                $setParts[] = "d_modifydate='{$now14}'";

                if (!empty($setParts)) {

                    // update는 무조건 d_uid 기준으로
                    $uid = (int)$existing['d_uid'];

                    $sql = "
                        UPDATE tbl_daily
                        SET " . implode(",", $setParts) . "
                        WHERE d_uid='{$uid}'
                        LIMIT 1
                    ";

                    if (!mysqli_query($connect, $sql)) {
                        throw new Exception(mysqli_error($connect));
                    }
                }
            }

            // =========================
            // INSERT
            // =========================
            else {

                $cols = [];
                $vals = [];

                foreach ($data as $k => $v) {
                    $cols[] = $k;
                    $vals[] = "'" . mysqli_real_escape_string($connect, (string)$v) . "'";
                }

                if (!in_array('d_modifydate', $cols)) {
                    $cols[] = 'd_modifydate';
                    $vals[] = "'{$now14}'";
                }

                $sql = "
                    INSERT INTO tbl_daily (" . implode(",", $cols) . ")
                    VALUES (" . implode(",", $vals) . ")
                ";

                if (!mysqli_query($connect, $sql)) {
                    throw new Exception(mysqli_error($connect));
                }
            }

            // =========================
            // AFTER RELOAD (uid 기준)
            // =========================
            if ($isUpdate) {
                $uid = (int)$existing['d_uid'];
                $res = mysqli_query($connect, "
                    SELECT *
                    FROM tbl_daily
                    WHERE d_uid='{$uid}'
                    LIMIT 1
                ");
            } else {
                $res = mysqli_query($connect, "
                    SELECT * 
                    FROM tbl_daily
                    WHERE d_orderdate='{$d_orderdate}'
                        AND d_accountno='{$d_accountno}'
                        AND d_jobtype = '{$d_jobtype}'
                    ORDER BY d_uid DESC
                    LIMIT 1
                ");
            }

            $afterData = mysqli_fetch_assoc($res);
            // note
            if ($noteForUpsert !== '') {
                $afterData['d_note'] = $noteForUpsert;
                $afterData['d_level'] = $level;
            }

            if ($pickupNoteForUpsert !== '') {
                $afterData['d_pickupnote'] = $pickupNoteForUpsert;
                $afterData['d_level'] = $level;
            }

            // =========================
            // ERP OUTBOX
            // =========================
            $actionType = $isUpdate ? 'UPDATED' : 'CREATED';
            $payload = mysqli_real_escape_string(
                $connect,
                json_encode([
                    'entity' => 'DAILY',
                    'action' => $actionType,

                    'key' => [
                        'd_orderdate' => $afterData['d_orderdate'],
                        'd_accountno' => $afterData['d_accountno'],
                        'd_jobtype' => $afterData['d_jobtype']
                    ],

                    'before' => $beforeData,
                    'after' => $afterData

                ], JSON_UNESCAPED_UNICODE)
            );

            $qry_outbox = "
                INSERT INTO tbl_erp_outbox
                (
                    eo_entity_type,
                    eo_action_type,
                    eo_key1,
                    eo_key2,
                    eo_key3,
                    eo_payload,
                    eo_status,
                    eo_created_at
                )
                VALUES
                (
                    'DAILY',
                    '{$actionType}',
                    '{$afterData['d_orderdate']}',
                    '{$afterData['d_accountno']}',
                    '{$afterData['d_jobtype']}',
                    '{$payload}',
                    'PENDING',
                    NOW()
                )
            ";

            if (!mysqli_query($connect, $qry_outbox)) {
                throw new Exception(mysqli_error($connect));
            }

            // =========================
            // AFTER WORK
            // =========================
            $this->runAfterSave($beforeData, $afterData, $opt);

            // =========================
            // COMMIT
            // =========================
            if (!$inTx) {
                mysqli_query($connect, "COMMIT");
            }

            return $afterData;

        } catch (Exception $e) {

            if (!$inTx) {
                mysqli_query($connect, "ROLLBACK");
            }

            throw $e;
        }
    }

    private function isDuplicate($orderdate, $accountno, $jobtype): bool
    {
        $connect = $GLOBALS['conn'];

        $res = mysqli_query($connect, "
            SELECT 1 
            FROM tbl_daily
            WHERE d_orderdate='{$orderdate}'
                AND d_accountno='{$accountno}'
                AND d_jobtype = '{$jobtype}'
            LIMIT 1
        ");

        return (bool)mysqli_fetch_assoc($res);
    }

    private function normalizeDailyPayload(array $data, ?array $existing = null): array
    {
        // 날짜 정리
        if (isset($data['d_orderdate'])) {
            $data['d_orderdate'] = preg_replace('/[^0-9]/', '', $data['d_orderdate']);
        }

        if (isset($data['d_visitdate'])) {
            $data['d_visitdate'] = preg_replace('/[^0-9]/', '', $data['d_visitdate']);
        }

        // 숫자 필드 기본값
        $intFields = [
            'd_quantity',
            //'d_sludge' 주석처리-값이 비었을 때 0이 되지 않게
        ];

        foreach ($intFields as $f) {
            if (isset($data[$f])) {
                $data[$f] = ($data[$f] === '' || $data[$f] === null)
                    ? 0
                    : (int)$data[$f];
            }
        }

        // 문자열 trim
        $strFields = [
            'd_pickupnote',
            'd_note'
        ];

        foreach ($strFields as $f) {
            if (isset($data[$f])) {
                $data[$f] = trim((string)$data[$f]);
            }
        }

        return $data;
    }

    private function hydrateDailySnapshot(array $data, ?array $existing = null): array
    {
        $connect = $GLOBALS['conn'] ?? null;
        if (!$connect) {
            throw new Exception("DB connection not found");
        }

        // =========================
        // DRIVER SNAPSHOT
        // =========================
        $druid = isset($data['d_druid'])
            ? (int)$data['d_druid']
            : (int)($existing['d_druid'] ?? 0);

        // fallback: legacy member uid -> current driver uid
        if ($druid <= 0) {
            $driverUid = isset($data['d_driveruid'])
                ? (int)$data['d_driveruid']
                : (int)($existing['d_driveruid'] ?? 0);

            if ($driverUid > 0) {
                $sqMap = qry("
                    SELECT 
                        m.m_currentdriver AS dr_uid,
                        d.dr_initial
                    FROM tbl_member m
                    LEFT JOIN tbl_driver d
                        ON d.dr_uid = m.m_currentdriver
                    WHERE m.m_uid = '{$driverUid}'
                    LIMIT 1
                ");
                $map = fetch_array($sqMap);

                if ($map && (int)$map['dr_uid'] > 0) {
                    $druid = (int)$map['dr_uid'];
                    $data['d_druid'] = $druid;
                    $data['d_drinitial'] = $map['dr_initial'] ?? '';
                }
            }
        }

        // druid가 있으면 driver snapshot 확정
        if ($druid > 0) {
            $sqDriver = qry("
                SELECT dr_initial
                FROM tbl_driver
                WHERE dr_uid = '{$druid}'
                LIMIT 1
            ");
            $driver = fetch_array($sqDriver);

            if ($driver && !empty($driver['dr_initial'])) {
                $data['d_druid'] = $druid;
                $data['d_drinitial'] = $driver['dr_initial'];
            } elseif ($existing) {
                $data['d_druid'] = $existing['d_druid'] ?? 0;
                $data['d_drinitial'] = $existing['d_drinitial'] ?? '';
            }
        }

        // =========================
        // CUSTOMER SNAPSHOT (확장)
        // =========================
        $customerUid = isset($data['d_customeruid'])
            ? (int)$data['d_customeruid']
            : (int)($existing['d_customeruid'] ?? 0);

        if ($customerUid > 0) {
            $sqCustomer = qry("
                SELECT 
                    c_regionuid, 
                    c_region,
                    c_fullcycle, 
                    c_fullcycleforced, 
                    c_fullcycleflag,
                    c_lastpickupdate, 
                    c_lastpickupquantity, 
                    c_lastpaiddate,
                    c_name,
                    c_paymenttype,
                    c_paymentcycle,
                    c_rate,
                    c_form_eu,
                    c_form_corsia,
                    c_maincontainer,
                    c_container,
                    c_location,
                    c_phone,
                    c_address,
                    c_city,
                    c_postal,
                    c_area

                FROM tbl_customer
                WHERE c_uid = '{$customerUid}'
                LIMIT 1
            ");
            $customer = fetch_array($sqCustomer);

            if ($customer) {
                $data['d_name']               = $customer['c_name'] ?? '';
                $data['d_form_eu']            = $customer['c_form_eu'] ?? '';
                $data['d_form_corsia']        = $customer['c_form_corsia'] ?? '';
                $data['d_maincontainer']      = $customer['c_maincontainer'] ?? '';
                //$data['d_container']          = $customer['c_container'] ?? '';
                $data['d_container']          = $this->buildContainerString($customerUid, $connect);
                $data['d_location']           = $customer['c_location'] ?? '';
                $data['d_phone']              = $customer['c_phone'] ?? '';
                $data['d_address']            = $customer['c_address'] ?? '';
                $data['d_city']               = $customer['c_city'] ?? '';
                $data['d_postal']             = $customer['c_postal'] ?? '';
                $data['d_area']               = $customer['c_area'] ?? '';
                $data['d_regionuid']          = (int)($customer['c_regionuid'] ?? 0);
                $data['d_region']             = $customer['c_region'] ?? '';
                $data['d_fullcycle']          = $customer['c_fullcycle'] ?? 0;
                $data['d_fullcycleforced']    = $customer['c_fullcycleforced'] ?? 0;
                $data['d_fullcycleflag']      = $customer['c_fullcycleflag'] ?? 0;
                $data['d_lastpickupdate']     = $customer['c_lastpickupdate'] ?? '';
                $data['d_lastpickupquantity'] = $customer['c_lastpickupquantity'] ?? 0;
                $data['d_lastpaiddate']       = $customer['c_lastpaiddate'] ?? '';
                $data['d_paymenttype']        = $customer['c_paymenttype'] ?? '';
                $data['d_cycle']              = $customer['c_paymentcycle'] ?? '';
                $data['d_rate']               = $customer['c_rate'] ?? '';
                if (!isset($data['d_oil_2y'])) $data['d_oil_2y'] = 0;
                if (!isset($data['d_oil_1y'])) $data['d_oil_1y'] = 0;
                if (!isset($data['d_oil_0y'])) $data['d_oil_0y'] = 0;
            }
        }

        return $data;
    }

    function buildContainerString($c_uid, $connect) {
        $sql = "
            SELECT cc_type, COUNT(*) as cnt
            FROM tbl_customer_container
            WHERE cc_customer_uid = '{$c_uid}'
            AND cc_status = 'A'
            GROUP BY cc_type
            ORDER BY cc_type
        ";

        $res = mysqli_query($connect, $sql);

        $parts = [];

        while ($row = mysqli_fetch_assoc($res)) {
            $type = $row['cc_type'];
            $cnt = (int)$row['cnt'];

            if ($cnt > 1) {
                $parts[] = "{$type}x{$cnt}";
            } else {
                $parts[] = $type;
            }
        }

        return implode(', ', $parts);
    }

    private function getDailyColumns(): array
    {
        return [
            'd_uid',

            // key
            'd_orderdate',
            'd_accountno',
            'd_customeruid',
            'd_jobtype',

            // driver / region
            'd_driveruid',
            'd_druid',
            'd_drinitial',
            'd_regionuid',
            'd_region',

            // basic status
            'd_ordertype',
            'd_visitdate',
            'd_visit',
            'd_status',

            // qty / sludge / payment
            'd_quantity',
            'd_sludge',
            'd_paymenttype',
            'd_payamount',
            'd_payeename',
            'd_paystatus',
            'd_paynote',

            // customer snapshot
            'd_name',
            'd_form_eu',
            'd_form_corsia',
            'd_maincontainer',
            'd_container',
            'd_location',
            'd_phone',
            'd_address',
            'd_city',
            'd_postal',
            'd_area',

            // oil / cycle history snapshot
            'd_oil_2y',
            'd_oil_1y',
            'd_oil_0y',
            'd_fullcycle',
            'd_fullcycleforced',
            'd_fullcycleflag',
            'd_lastpickupdate',
            'd_lastpickupquantity',
            'd_lastpaiddate',

            // pricing / estimate
            'd_cycle',
            'd_rate',
            'd_estquantity',

            // audit
            'd_createruid',
            'd_updateruid',
            'd_createddate',
            'd_inputdate',
            'd_modifydate',
            'd_ruid',

            // misc
            'd_payeesign'
        ];
    }

    private function calculateEstQuantity(array $data, ?array $existing = null): int
    {
        $customerUid = $data['d_customeruid'] ?? ($existing['d_customeruid'] ?? 0);
        $orderdate = $data['d_orderdate'] ?? ($existing['d_orderdate'] ?? '');

        if (!$customerUid || !$orderdate) return 0;

        $sqCus = qry("
            SELECT c_fullquantity, c_fullquantitydaily
            FROM tbl_customer
            WHERE c_uid = '{$customerUid}'
            LIMIT 1
        ");
        $customer = fetch_array($sqCus);

        if (!$customer) return 0;

        $today = new DateTime(date("Y-m-d"));
        $searchDate = new DateTime(substr($orderdate,0,4)."-".substr($orderdate,4,2)."-".substr($orderdate,6,2));

        $interval = $today->diff($searchDate);
        $days = (int)$interval->days;

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

    private function runAfterSave(?array $before, array $after, array $opt = []): void
    {
        // order장과 customer 상태 동기화 + 픽업 정보 갱신
        $customerFields = $this->buildCustomerPatchFromDaily($before, $after);
        if (!empty($customerFields) && !empty($after['d_customeruid'])){

            $customerFields['c_updatedby'] = $after['d_updateruid'] ?? $after['d_createruid'] ?? null;
            // patch 
            $this->patchCustomerFromDaily(
                (int)$after['d_customeruid'],
                $customerFields
            );
        }
        // request 처리 완료
        $this->updateRequestFromDaily($after);
        // note 처리
        $this->upsertDailyNote($after);
        // 픽업 발생 시 미래 오더 자동 정리
        $this->handlePickupCleanup($before, $after);
    }

    private function runAfterDelete(array $before, array $opt = []): void
    {
        $connect = $GLOBALS['conn'];

        if (empty($before['d_customeruid'])) {
            return;
        }

        $customerUid = mysqli_real_escape_string($connect, $before['d_customeruid']);
        $orderdate   = mysqli_real_escape_string($connect, $before['d_orderdate'] ?? '');

        // 1) REQUEST 삭제
        $this->deleteRequestByDaily($before);

        // 2) CUSTOMER 재계산 (lastpick, lastpaid 등 포함)
        $this->recalcCustomerFromDailyHistory($customerUid);

        // 3) GHOST 재판정
        $this->reEvaluateGhost($customerUid);
    }

    private function deleteRequestByDaily(array $before): void
    {
        $connect = $GLOBALS['conn'];

        $customerUid = (int)($before['d_customeruid'] ?? 0);
        $orderdate   = preg_replace('/[^0-9]/', '', $before['d_orderdate'] ?? '');

        if ($customerUid <= 0 || $orderdate === '') {
            return;
        }

        mysqli_query($connect, "
            DELETE FROM tbl_request
            WHERE r_customeruid = '{$customerUid}'
            AND r_requestdate = '{$orderdate}'
        ");
    }

    private function buildCustomerPatchFromDaily(
        ?array $before,
        array $after
    ): array
    {
        $connect = $GLOBALS['conn'];
        $customerFields = [];
        if (empty($after['d_customeruid'])) {
            return $customerFields;
        }

        // Customer Current State
        $customerUid = (int)$after['d_customeruid'];
        $qr = mysqli_query($connect, "
            SELECT
                c_paymenttype,
                c_is_top,
                c_fpickup,
                c_schedule,
                c_scheduleday
            FROM tbl_customer
            WHERE c_uid = '{$customerUid}'
            LIMIT 1
        ");

        $customer = mysqli_fetch_assoc($qr);
        if (!$customer) {
            return $customerFields;
        }

        // Common Values
        $ordertype    = $after['d_ordertype'] ?? 'N';
        $orderdate    = $after['d_orderdate'] ?? '';
        $visitdate    = $after['d_visitdate'] ?? '';
        $thisQuantity = (int)($after['d_quantity'] ?? 0);
        $lastQuantity = (int)($after['d_lastpickupquantity'] ?? 0);
        $status       = $after['d_status'] ?? '';
        $visit        = $after['d_visit'] ?? '';
        $isTop        = trim($customer['c_is_top'] ?? '');
        // Sludge
        if (isset($after['d_sludge']) && (string)$after['d_sludge'] !== '') {
            $customerFields['c_sludge'] = (int)$after['d_sludge'];
        }
        // Ghost Check
        if (
            $thisQuantity > 0
            && $lastQuantity > 0
            && $thisQuantity < 10
            && $lastQuantity < 10
            && $isTop !== 'G'
        ) {
            $customerFields['c_is_top'] = 'G';
        }
        if ($isTop === 'G' && $thisQuantity >= 10) {
            $customerFields['c_is_top'] = '';
        }
        // First Pickup
        if (
            empty($customer['c_fpickup'])
            && !empty($orderdate)
            && $thisQuantity >= 10
        ) {
            $customerFields['c_fpickup'] = $orderdate;
        }

        // Order Flag
        if ($status === 'F') {
            $customerFields['c_orderdate'] = '';
            $customerFields['c_orderflag'] = 0;
        } else {
            $customerFields['c_orderdate'] = $orderdate;
            $customerFields['c_orderflag'] = 1;
        }

        // =========================
        // Last Pickup
        //
        // 변경된 정책 (20260601):
        // 수량 상관없이 완료 방문이면 기록
        // =========================
        if ($status === 'F') {
            $customerFields['c_lastpickupdate'] = $orderdate;
            $customerFields['c_lastpickupquantity'] = $thisQuantity;
            // Full Quantity Reset 10L 이상일 때만
            if ($thisQuantity >= 10) {
                $customerFields['c_fullquantity'] = 0;
            }
        }

        return $customerFields;
    }

    private function updateRequestFromDaily(array $after): void
    {
        $connect = $GLOBALS['conn'];

        if (empty($after['d_ordertype']) || $after['d_ordertype'] !== 'R') {
            return;
        }

        if (empty($after['d_ruid'])) {
            return;
        }

        // pickup 완료 조건 (방문 완료 + 상태 F)
        if (
            empty($after['d_visit']) ||
            $after['d_visit'] !== 'Y' ||
            empty($after['d_status']) ||
            $after['d_status'] !== 'F'
        ) {
            return;
        }

        $r_uid = mysqli_real_escape_string($connect, $after['d_ruid']);

        mysqli_query($connect, "
            UPDATE tbl_request
            SET r_status = 'F'
            WHERE r_uid = '{$r_uid}'
            LIMIT 1
        ");
    }

    private function upsertDailyNote(array $after): void
    {
        $connect = $GLOBALS['conn'];

        if (empty($after['d_uid'])) return;

        // note는 saveDaily payload에 포함되어 있어야 함
        // if (empty($after['d_pickupnote']) && empty($after['d_note'])) {
        //     return;
        // }

        $noteText = trim($after['d_pickupnote'] ?? $after['d_note'] ?? '');

        // if (strlen($noteText) <= 1) return;

        $dailyuid     = mysqli_real_escape_string($connect, $after['d_uid']);
        $customeruid  = mysqli_real_escape_string($connect, $after['d_customeruid'] ?? '');
        $memberuid    = mysqli_real_escape_string($connect, $after['d_driveruid'] ?? '');
        $noteEsc      = mysqli_real_escape_string($connect, $noteText);
        $now14        = date('YmdHis');
        $level        = mysqli_real_escape_string($connect, $after['d_level'] ?? 9);

        if ($noteText === '') {
            mysqli_query($connect, "
                DELETE FROM tbl_note
                WHERE n_dailyuid = '{$dailyuid}'
                LIMIT 1
            ");
            return;
        }

        // 기존 note 존재 여부 확인
        $qr = mysqli_query($connect, "
            SELECT n_uid 
            FROM tbl_note
            WHERE n_dailyuid = '{$dailyuid}'
            LIMIT 1
        ");

        $existing = mysqli_fetch_assoc($qr);

        if ($existing) {
            // UPDATE
            mysqli_query($connect, "
                UPDATE tbl_note
                SET 
                    n_memberuid = '{$memberuid}',
                    n_customeruid = '{$customeruid}',
                    n_type = 'D',
                    n_level = {$level},
                    n_view = 1,
                    n_note = '{$noteEsc}',
                    n_createddate = '{$now14}'
                WHERE n_dailyuid = '{$dailyuid}'
                LIMIT 1
            ");
        } else {
            // INSERT
            mysqli_query($connect, "
                INSERT INTO tbl_note (
                    n_memberuid,
                    n_customeruid,
                    n_dailyuid,
                    n_type,
                    n_level,
                    n_view,
                    n_note,
                    n_createddate
                ) VALUES (
                    '{$memberuid}',
                    '{$customeruid}',
                    '{$dailyuid}',
                    'D',
                    {$level},
                    1,
                    '{$noteEsc}',
                    '{$now14}'
                )
            ");
        }
    }

    private function handlePickupCleanup(?array $before, array $after): void
    {
        $connect = $GLOBALS['conn'];

        $beforeQty = (int)($before['d_quantity'] ?? 0);
        $afterQty  = (int)($after['d_quantity'] ?? 0);

        $status = $after['d_status'] ?? '';
        $visit  = $after['d_visit'] ?? '';

        // 최초 pickup
        $isFirstPickup = ($beforeQty < 10 && $afterQty >= 10);

        if (!$isFirstPickup) return;
        if ($status !== 'F' || $visit !== 'Y') return;

        $customerUid = mysqli_real_escape_string($connect, $after['d_customeruid']);
        $accountno   = mysqli_real_escape_string($connect, $after['d_accountno']);
        $today       = date('Ymd');
        $jobtype     = mysqli_real_escape_string($connect, $after['d_jobtype'] ?? 'UCO');

        // =========================
        // 삭제 대상 조회
        // =========================
        $res = mysqli_query($connect, "
            SELECT d_orderdate, d_accountno, d_jobtype
            FROM tbl_daily
            WHERE d_customeruid = '{$customerUid}'
                AND d_orderdate > '{$today}'
                AND d_status = 'A'
                AND d_jobtype = '{$jobtype}'
        ");

        if (!$res) {
            throw new Exception(mysqli_error($connect));
        }

        // =========================
        // 하나씩 deleteDaily 호출
        // =========================
        while ($row = mysqli_fetch_assoc($res)) {

            try {
                $this->deleteDaily(
                    $row['d_orderdate'],
                    $row['d_accountno'],
                    $row['d_jobtype'],
                    ['in_tx' => true]
                );

            } catch (Exception $e) {
                // 여기서 실패하면 전체 rollback 유도
                throw $e;
            }
        }

        error_log("[PickupCleanup] ERP-safe delete completed for customer={$accountno}");
    }

    public function deleteDaily(string $orderdate, string $accountno, string $jobtype, array $opt = [])
    {
        $connect = $GLOBALS['conn'] ?? null;
        if (!$connect) {
            throw new Exception("DB connection not found");
        }

        $inTx = !empty($opt['in_tx']);

        // =========================
        // KEY NORMALIZE
        // =========================
        $orderdate = preg_replace('/[^0-9]/', '', $orderdate);
        if (strlen($orderdate) !== 8) {
            throw new Exception("invalid orderdate");
        }

        $accountno = mysqli_real_escape_string($connect, trim($accountno));
        if ($accountno === '') {
            throw new Exception("invalid accountno");
        }

        $jobtype = mysqli_real_escape_string($connect, trim($jobtype));
        if ($jobtype === '') {
            $jobtype = 'UCO';
        }

        if (!$inTx) {
            mysqli_query($connect, "START TRANSACTION");
        }

        try {

            // =========================
            // 1. 기존 데이터 조회
            // =========================
            $res = mysqli_query($connect, "
                SELECT *
                FROM tbl_daily
                WHERE d_orderdate='{$orderdate}'
                    AND d_accountno='{$accountno}'
                    AND d_jobtype = '{$jobtype}'
                LIMIT 1
            ");
            if (!$res) throw new Exception(mysqli_error($connect));

            $existing = mysqli_fetch_assoc($res);

            if (!$existing) {
                throw new Exception("Daily record not found");
            }

            // =========================
            // 2. ERP OUTBOX 기록
            // =========================
            $payload = mysqli_real_escape_string(
                $connect,
                json_encode([
                    'entity' => 'DAILY',
                    'action' => 'DELETED',

                    'key' => [
                        'd_orderdate' => $orderdate,
                        'd_accountno' => $accountno,
                        'd_jobtype' => $jobtype
                    ],

                    'before' => $existing,
                    'after' => null

                ], JSON_UNESCAPED_UNICODE)
            );

            $qry_outbox = "
                INSERT INTO tbl_erp_outbox
                (
                    eo_entity_type,
                    eo_action_type,
                    eo_key1,
                    eo_key2,
                    eo_key3,
                    eo_payload,
                    eo_status,
                    eo_created_at
                )
                VALUES
                (
                    'DAILY',
                    'DELETED',
                    '{$orderdate}',
                    '{$accountno}',
                    '{$jobtype}',
                    '{$payload}',
                    'PENDING',
                    NOW()
                )
            ";

            if (!mysqli_query($connect, $qry_outbox)) {
                throw new Exception(mysqli_error($connect));
            }

            // =========================
            // 3. 물리 삭제
            // =========================
            if (!mysqli_query($connect, "
                DELETE FROM tbl_daily
                WHERE d_orderdate='{$orderdate}'
                    AND d_accountno='{$accountno}'
                    AND d_jobtype = '{$jobtype}'
                LIMIT 1
            ")) {
                throw new Exception(mysqli_error($connect));
            }

            if (mysqli_affected_rows($connect) === 0) {
                throw new Exception("Delete failed");
            }

            // =========================
            // AFTER WORK 중앙화
            // =========================
            $this->runAfterDelete($existing, $opt);

            // =========================
            // COMMIT
            // =========================
            if (!$inTx) {
                mysqli_query($connect, "COMMIT");
            }

            return true;

        } catch (Exception $e) {

            if (!$inTx) {
                mysqli_query($connect, "ROLLBACK");
            }

            throw $e;
        }
    }

    private function reEvaluateGhost(int $customerUid): void
    {
        $connect = $GLOBALS['conn'];

        $res = mysqli_query($connect, "
            SELECT
                c.c_is_top,
                d.d_quantity,
                d.d_lastpickupquantity,
                d.d_updateruid
            FROM tbl_customer c
            LEFT JOIN tbl_daily d
                ON d.d_customeruid = c.c_uid
                AND d.d_status = 'F'
            WHERE c.c_uid = '{$customerUid}'
            ORDER BY d.d_orderdate DESC
            LIMIT 1
        ");

        if (!$res) {
            throw new Exception(mysqli_error($connect));
        }

        $row = mysqli_fetch_assoc($res);

        if (!$row) {
            return;
        }

        $currentTop = trim(
            (string)($row['c_is_top'] ?? '')
        );

        $thisQuantity = (int)($row['d_quantity'] ?? 0);
        $lastQuantity = (int)($row['d_lastpickupquantity'] ?? 0);

        // =========================
        // NO DAILY HISTORY
        // =========================
        if (empty($row['d_quantity']) && empty($row['d_lastpickupquantity'])) {
            // 현재 ghost 인 경우만 해제
            if ($currentTop === 'G') {
                $this->patchCustomerFromDaily(
                    $customerUid,
                    [
                        'c_is_top' => '',
                        'c_updatedby' => $row['d_updateruid'] ?? null
                    ]
                );
            }
            return;
        }

        // =========================
        // SHOULD BE GHOST
        // =========================
        $shouldGhost = ($thisQuantity < 10) && ($lastQuantity < 10);

        // ghost 추가
        if ($shouldGhost) {
            // 이미 G 면 skip
            if ($currentTop !== 'G') {
                $this->patchCustomerFromDaily(
                    $customerUid,
                    [
                        'c_is_top' => 'G',
                        'c_updatedby' => $row['d_updateruid'] ?? null
                    ]
                );
            }
            return;
        }

        // =========================
        // REMOVE GHOST
        // =========================
        if ($currentTop === 'G') {
            // $shouldGhost 는 이미 false;
            $this->patchCustomerFromDaily(
                $customerUid,
                [
                    'c_is_top' => '',
                    'c_updatedby' => $row['d_updateruid'] ?? null
                ]
            );
        }
    }

    private function recalcCustomerFromDailyHistory(string $customerUid): void
    {
        $connect = $GLOBALS['conn'];
        $customerUidEsc = mysqli_real_escape_string($connect, $customerUid);

        // 0) "오늘 포함 이후" 오더장 존재 여부 체크 (남아있으면 리셋 금지)
        $today = date('Ymd');

        $resFuture = mysqli_query($connect, "
            SELECT 1
            FROM tbl_daily
            WHERE d_customeruid = '{$customerUidEsc}'
                AND d_orderdate >= '{$today}'
                AND d_status = 'A'
            LIMIT 1
        ");
        if (!$resFuture) {
            throw new Exception(mysqli_error($connect));
        }
        $hasFutureOrder = (bool)mysqli_fetch_assoc($resFuture);

        // 1) 마지막 완료 주문(F) 기준으로 last pickup 재계산
        $res = mysqli_query($connect, "
            SELECT 
                d_orderdate,
                d_quantity,
                d_sludge,
                d_paymenttype,
                d_paystatus,
                d_updateruid
            FROM tbl_daily
            WHERE d_customeruid = '{$customerUidEsc}'
                AND d_status = 'F'
            ORDER BY d_orderdate DESC
            LIMIT 1
        ");
        if (!$res) {
            throw new Exception(mysqli_error($connect));
        }

        $last = mysqli_fetch_assoc($res);

        $lastPickupDate = '';
        $lastPickupQty  = 0;
        $lastSludge     = '';
        $lastPaidDate   = '';

        if ($last) {
            $lastPickupDate = $last['d_orderdate'];
            $lastPickupQty  = (int)$last['d_quantity'];
            $lastSludge     = (string)$last['d_sludge'];

            if ($last['d_paymenttype'] === 'CA' && $last['d_paystatus'] === 'P') {
                $lastPaidDate = $last['d_orderdate'];
            }
        }

        // 2) 마지막 주문이 cash paid가 아니면, cash paid 마지막을 다시 찾음
        if ($lastPaidDate === '') {

            $res2 = mysqli_query($connect, "
                SELECT d_orderdate
                FROM tbl_daily
                WHERE d_customeruid = '{$customerUidEsc}'
                    AND d_status = 'F'
                    AND d_paymenttype = 'CA'
                    AND d_paystatus = 'P'
                ORDER BY d_orderdate DESC
                LIMIT 1
            ");
            if (!$res2) {
                throw new Exception(mysqli_error($connect));
            }

            $paid = mysqli_fetch_assoc($res2);
            if ($paid) {
                $lastPaidDate = $paid['d_orderdate'];
            }
        }

        // 3) CUSTOMER PATCH 구성
        $customerFields = [];
        $customerFields['c_lastpickupdate'] = $lastPickupDate;
        $customerFields['c_lastpickupquantity'] = $lastPickupQty;
        $customerFields['c_lastpaiddate'] = $lastPaidDate;
        $customerFields['c_sludge'] = $lastSludge;

        // 4) orderflag/orderdate 리셋 정책 반영
        // - 오늘 포함 이후 오더장이 남아있으면 유지 (아무것도 안함)
        // - 없으면 리셋
        if (!$hasFutureOrder) {
            $customerFields['c_orderdate'] = '';
            $customerFields['c_orderflag'] = 0;
        }

        $customerFields['c_updatedby'] = $last['d_updateruid'] ?? null;

        // 5) PATCH CUSTOMER
        $this->patchCustomerFromDaily(
            (int)$customerUid,
            $customerFields
        );
    }

    /* =====================================================
    * PATCH DAILY
    * ===================================================== */

    public function patchDaily(
        int $dailyUid,
        array $fields = [],
        array $opt = []
    ): array {

        $connect = $GLOBALS['conn'] ?? null;
        if (!$connect) {
            throw new Exception("DB connection not found");
        }

        $dailyUid = (int)$dailyUid;
        if ($dailyUid <= 0) {
            throw new Exception("invalid daily uid");
        }

        if (empty($fields)) {
            throw new Exception("empty patch fields");
        }

        $inTx = !empty($opt['in_tx']);
        if (!$inTx) {
            mysqli_query($connect, "START TRANSACTION");
        }

        try {
            // BEFORE
            $res = mysqli_query($connect, "
                SELECT *
                FROM tbl_daily
                WHERE d_uid = '{$dailyUid}'
                LIMIT 1
            ");

            if (!$res) {
                throw new Exception(mysqli_error($connect));
            }

            $beforeData = mysqli_fetch_assoc($res);
            if (!$beforeData) {
                throw new Exception("daily not found");
            }

            // NORMALIZE
            $fields = $this->normalizeDailyPayload(
                $fields,
                $beforeData
            );

            // MODIFY DATE
            $fields['d_modifydate'] = date("YmdHis");

            // UPDATE
            $setParts = [];

            foreach ($fields as $k => $v) {
                if ($v === null) {
                    $setParts[] = "{$k}=NULL";
                    continue;
                }

                $vEsc = mysqli_real_escape_string(
                    $connect,
                    (string)$v
                );

                $setParts[] = "{$k}='{$vEsc}'";
            }

            if (empty($setParts)) {
                throw new Exception("nothing to update");
            }

            $sql = "
                UPDATE tbl_daily
                SET
                    " . implode(',', $setParts) . "
                WHERE d_uid='{$dailyUid}'
                LIMIT 1
            ";

            if (!mysqli_query($connect, $sql)) {
                throw new Exception(mysqli_error($connect));
            }

            // AFTER
            $res = mysqli_query($connect, "
                SELECT *
                FROM tbl_daily
                WHERE d_uid='{$dailyUid}'
                LIMIT 1
            ");
            if (!$res) {
                throw new Exception(mysqli_error($connect));
            }

            $afterData = mysqli_fetch_assoc($res);

            // OUTBOX
            $this->enqueueOutbox(
                'UPDATED',
                $beforeData,
                $afterData
            );

            // AFTER WORK
            if (empty($opt['skip_after'])) {
                $this->runAfterSave(
                    $beforeData,
                    $afterData,
                    $opt
                );
            }

            // COMMIT
            if (!$inTx) {
                mysqli_query($connect, "COMMIT");
            }

            return $afterData;

        } catch (Exception $e) {

            if (!$inTx) {
                mysqli_query($connect, "ROLLBACK");
            }

            throw $e;
        }
    }

    private function patchCustomerFromDaily(
        int $customerUid,
        array $fields = []
    ): void {

        if ($customerUid <= 0) {
            return;
        }

        if (empty($fields)) {
            return;
        }

        $customerSvc = new CustomerService();

        $customerSvc->patchCustomer(
            $customerUid,
            $fields,
            [
                'in_tx' => true,
                'skip_after' => true
            ]
        );
    }

    /* ===============================
     * 공통 JSON 응답
     * =============================== */

    private function jsonSuccess($data = [])
    {
        return json_encode([
            'result' => 'success',
            'data'   => $data
        ]);
    }

    private function jsonError($msg)
    {
        return json_encode([
            'result' => 'error',
            'message'=> $msg
        ]);
    }

}