<?php

declare(strict_types=1);

namespace app\adminapi\lists\firstvisit;

use app\adminapi\lists\BaseAdminDataLists;
use app\adminapi\logic\firstvisit\MyPatientLogic;
use app\adminapi\logic\stats\YejiStatsLogic;
use app\adminapi\logic\tcm\PrescriptionOrderLogic;
use app\common\lists\ListsExtendInterface;
use app\common\lists\ListsSearchInterface;
use app\common\model\Order;
use app\common\model\auth\Admin;
use app\common\model\tcm\Prescription;
use app\common\model\tcm\PrescriptionOrder;
use app\common\model\tcm\PrescriptionOrderPayOrder;
use think\db\Query;
use think\facade\Db;

/**
 * “我的患者”内嵌订单列表。
 *
 * 订单可见性始终锚定 diagnosis 别名 d，并复用 MyPatientLogic；订单创建人仅用于展示，
 * 不能作为患者归属或数据范围条件。
 */
class MyPatientOrderLists extends BaseAdminDataLists implements ListsSearchInterface, ListsExtendInterface
{
    public function setSearch(): array
    {
        return [];
    }

    public function lists(): array
    {
        $rows = $this->buildQuery()
            ->field([
                'po.id', 'po.order_no', 'po.prescription_id', 'po.diagnosis_id', 'po.creator_id',
                'po.recipient_name', 'po.recipient_phone', 'po.fee_type', 'po.amount',
                'po.prescription_audit_status', 'po.payment_slip_audit_status',
                'po.fulfillment_status', 'po.express_company', 'po.tracking_number', 'po.ship_mode',
                'po.gancao_reciperl_order_no', 'po.ej_pharmacy_order_no',
                'po.gancao_submit_time', 'po.ej_pharmacy_submit_time',
                'po.ej_pharmacy_status', 'po.ej_pharmacy_review_status', 'po.refund_amount',
                'po.create_time',
                'd.patient_name', 'd.phone AS patient_phone', 'd.assistant_id',
            ])
            ->order('po.id', 'desc')
            ->limit($this->limitOffset, $this->limitLength)
            ->select()
            ->toArray();

        return $this->appendRelations($rows);
    }

    public function count(): int
    {
        return (int) $this->buildQuery()->count('po.id');
    }

    public function extend(): array
    {
        $query = $this->buildQuery();
        $pendingQuery = clone $query;
        $effectiveAmountQuery = clone $query;
        YejiStatsLogic::applyPrescriptionOrderEffectiveAmountQuery($effectiveAmountQuery, 'po');

        return [
            'summary' => [
                'orders' => (int) (clone $query)->count('po.id'),
                'amount' => round((float) $effectiveAmountQuery->sum('po.amount'), 2),
                'pending' => (int) $pendingQuery
                    ->where(function ($q) {
                        $q->where('po.prescription_audit_status', 0)
                            ->whereOr('po.payment_slip_audit_status', 0);
                    })
                    ->count('po.id'),
                'completed' => (int) (clone $query)->whereIn('po.fulfillment_status', [3, 6])->count('po.id'),
            ],
            'scope' => MyPatientLogic::scopeMeta($this->adminId, $this->adminInfo),
        ];
    }

    private function buildQuery(): Query
    {
        $query = PrescriptionOrder::alias('po')
            ->join('tcm_diagnosis d', 'po.diagnosis_id = d.id')
            ->whereNull('po.delete_time')
            ->whereNull('d.delete_time')
            ->where('d.status', 1);

        MyPatientLogic::applyScope($query, $this->adminId, $this->adminInfo);
        $this->applyKeyword($query);
        $this->applyStatusFilters($query);
        $this->applyDateFilter($query);

        return $query;
    }

    private function applyKeyword(Query $query): void
    {
        $keyword = trim((string) ($this->params['keyword'] ?? ''));
        if ($keyword === '') {
            return;
        }

        $query->where(function ($q) use ($keyword) {
            $like = '%' . $keyword . '%';
            $q->whereLike('po.order_no', $like)
                ->whereOr('d.patient_name', 'like', $like)
                ->whereOr('d.phone', 'like', $like)
                ->whereOr('po.recipient_name', 'like', $like)
                ->whereOr('po.recipient_phone', 'like', $like);
            if (preg_match('/^\d+$/', $keyword)) {
                $id = (int) $keyword;
                if ($id > 0) {
                    $q->whereOr('po.id', $id)
                        ->whereOr('po.prescription_id', $id)
                        ->whereOr('po.diagnosis_id', $id);
                }
            }
        });
    }

    private function applyStatusFilters(Query $query): void
    {
        foreach (['prescription_audit_status', 'payment_slip_audit_status', 'fulfillment_status'] as $field) {
            $raw = $this->params[$field] ?? '';
            if ($raw === '' || $raw === null) {
                continue;
            }
            $query->where('po.' . $field, (int) $raw);
        }
    }

    private function applyDateFilter(Query $query): void
    {
        [$startDate, $endDate] = $this->dateRange();
        if ($startDate !== '') {
            $query->where('po.create_time', '>=', strtotime($startDate . ' 00:00:00'));
        }
        if ($endDate !== '') {
            $query->where('po.create_time', '<=', strtotime($endDate . ' 23:59:59'));
        }
    }

    /** @return array{0:string,1:string} */
    private function dateRange(): array
    {
        $startDate = $this->normalizeDate($this->params['start_date'] ?? '');
        $endDate = $this->normalizeDate($this->params['end_date'] ?? '');
        if ($startDate === '' && $endDate !== '') {
            $startDate = $endDate;
        }
        if ($endDate === '' && $startDate !== '') {
            $endDate = $startDate;
        }
        if ($startDate !== '' && $endDate !== '' && $startDate > $endDate) {
            [$startDate, $endDate] = [$endDate, $startDate];
        }

        return [$startDate, $endDate];
    }

    private function normalizeDate($value): string
    {
        $value = trim((string) $value);

        return preg_match('/^\d{4}-\d{2}-\d{2}$/', $value) ? $value : '';
    }

    /**
     * @param array<int, array<string, mixed>> $rows
     * @return array<int, array<string, mixed>>
     */
    private function appendRelations(array $rows): array
    {
        if ($rows === []) {
            return [];
        }

        $orderIds = array_values(array_unique(array_filter(array_map('intval', array_column($rows, 'id')))));
        $prescriptionIds = array_values(array_unique(array_filter(array_map('intval', array_column($rows, 'prescription_id')))));
        $creatorIds = array_values(array_unique(array_filter(array_map('intval', array_column($rows, 'creator_id')))));
        $assistantIds = array_values(array_unique(array_filter(array_map('intval', array_column($rows, 'assistant_id')))));

        $prescriptionMap = [];
        $doctorIds = [];
        if ($prescriptionIds !== []) {
            $prescriptions = Prescription::whereIn('id', $prescriptionIds)
                ->whereNull('delete_time')
                ->field(['id', 'creator_id', 'doctor_name'])
                ->select()
                ->toArray();
            foreach ($prescriptions as $prescription) {
                $prescriptionId = (int) ($prescription['id'] ?? 0);
                $doctorId = (int) ($prescription['creator_id'] ?? 0);
                if ($prescriptionId > 0) {
                    $prescriptionMap[$prescriptionId] = $prescription;
                }
                if ($doctorId > 0) {
                    $doctorIds[] = $doctorId;
                }
            }
        }

        $adminIds = array_values(array_unique(array_merge($creatorIds, $assistantIds, $doctorIds)));
        $adminNames = $adminIds === []
            ? []
            : Admin::whereIn('id', $adminIds)->whereNull('delete_time')->column('name', 'id');

        $linkCounts = [];
        $paidTotals = [];
        if ($orderIds !== []) {
            $linkRows = PrescriptionOrderPayOrder::whereIn('prescription_order_id', $orderIds)
                ->field(['prescription_order_id', 'pay_order_id'])
                ->select()
                ->toArray();
            $payOrderIds = array_values(array_unique(array_filter(array_map('intval', array_column($linkRows, 'pay_order_id')))));
            $payOrders = $payOrderIds === []
                ? []
                : Order::whereIn('id', $payOrderIds)
                    ->whereNull('delete_time')
                    ->field(['id', 'amount', 'status'])
                    ->select()
                    ->toArray();
            $payOrderMap = [];
            foreach ($payOrders as $payOrder) {
                $payOrderMap[(int) ($payOrder['id'] ?? 0)] = $payOrder;
            }
            foreach ($linkRows as $linkRow) {
                $orderId = (int) ($linkRow['prescription_order_id'] ?? 0);
                if ($orderId > 0) {
                    $linkCounts[$orderId] = ($linkCounts[$orderId] ?? 0) + 1;
                }
                $payOrder = $payOrderMap[(int) ($linkRow['pay_order_id'] ?? 0)] ?? [];
                if ($orderId > 0 && in_array((int) ($payOrder['status'] ?? 0), [2, 5], true)) {
                    $paidTotals[$orderId] = round(
                        (float) ($paidTotals[$orderId] ?? 0) + (float) ($payOrder['amount'] ?? 0),
                        2
                    );
                }
            }
        }

        $assistantByDiagnosis = [];
        foreach ($rows as $row) {
            $diagnosisId = (int) ($row['diagnosis_id'] ?? 0);
            if ($diagnosisId > 0) {
                $assistantByDiagnosis[$diagnosisId] = (int) ($row['assistant_id'] ?? 0);
            }
        }

        $claimByOrder = [];
        if ($orderIds !== []) {
            $claimRows = Db::name('pharmacy_submission_claim')
                ->whereIn('prescription_order_id', $orderIds)
                ->field(['prescription_order_id', 'target', 'status', 'lease_expires_at'])
                ->order('source_revision', 'desc')
                ->select()
                ->toArray();
            foreach ($claimRows as $claimRow) {
                $orderId = (int) ($claimRow['prescription_order_id'] ?? 0);
                if ($orderId > 0 && !isset($claimByOrder[$orderId])) {
                    $claimByOrder[$orderId] = $claimRow;
                }
            }
        }

        foreach ($rows as &$row) {
            $prescription = $prescriptionMap[(int) ($row['prescription_id'] ?? 0)] ?? [];
            $doctorId = (int) ($prescription['creator_id'] ?? 0);
            $doctorName = trim((string) ($prescription['doctor_name'] ?? ''));
            $creatorId = (int) ($row['creator_id'] ?? 0);
            $assistantId = (int) ($row['assistant_id'] ?? 0);

            $row['patient_phone_masked'] = $this->maskPhone((string) ($row['patient_phone'] ?? ''));
            $row['recipient_phone_masked'] = $this->maskPhone((string) ($row['recipient_phone'] ?? ''));
            unset($row['patient_phone'], $row['recipient_phone']);
            $row['creator_name'] = (string) ($adminNames[$creatorId] ?? '—');
            $row['assistant_name'] = (string) ($adminNames[$assistantId] ?? '未分配');
            $row['doctor_name'] = $doctorName !== '' ? $doctorName : (string) ($adminNames[$doctorId] ?? '—');
            $row['linked_pay_order_count'] = (int) ($linkCounts[(int) $row['id']] ?? 0);
            $row['linked_pay_paid_total'] = (float) ($paidTotals[(int) $row['id']] ?? 0);
            $claim = $claimByOrder[(int) $row['id']] ?? [];
            $row['pharmacy_claim_target'] = (string) ($claim['target'] ?? '');
            $row['pharmacy_claim_status'] = (string) ($claim['status'] ?? '');
            $row['pharmacy_claim_lease_expires_at'] = (int) ($claim['lease_expires_at'] ?? 0);
            $row['can_upload_pharmacy'] = PrescriptionOrderLogic::canUploadToPharmacy(
                $row,
                $this->adminId,
                $this->adminInfo,
                $assistantByDiagnosis
            );
            $row['create_time_text'] = $this->formatTimestamp($row['create_time'] ?? 0);
            $row['fee_type_text'] = $this->feeTypeText((int) ($row['fee_type'] ?? 0));
            $row['prescription_audit_text'] = $this->auditStatusText((int) ($row['prescription_audit_status'] ?? 0));
            $row['payment_slip_audit_text'] = $this->auditStatusText((int) ($row['payment_slip_audit_status'] ?? 0));
            $row['fulfillment_text'] = $this->fulfillmentStatusText((int) ($row['fulfillment_status'] ?? 0));
            $fulfillmentStatus = (int) ($row['fulfillment_status'] ?? 0);
            $refundAmount = round((float) ($row['refund_amount'] ?? 0), 2);
            $amountIncluded = !in_array(
                $fulfillmentStatus,
                YejiStatsLogic::PRESCRIPTION_ORDER_FULFILLMENT_EXCLUDED_FROM_PERFORMANCE,
                true
            ) && $refundAmount <= 0;
            $row['amount_included'] = $amountIncluded;
            $row['effective_amount'] = $amountIncluded ? round((float) ($row['amount'] ?? 0), 2) : 0.0;
            $row['amount_exclusion_text'] = $amountIncluded
                ? ''
                : ($refundAmount > 0 || $fulfillmentStatus === 10 ? '退款不计入' : $row['fulfillment_text'] . '不计入');
        }
        unset($row);

        return $rows;
    }

    private function maskPhone(string $phone): string
    {
        return preg_replace('/^(\d{3})\d{4}(\d{4})$/', '$1****$2', $phone) ?: $phone;
    }

    private function formatTimestamp($value): string
    {
        return is_numeric($value) && (int) $value > 0 ? date('Y-m-d H:i', (int) $value) : '';
    }

    private function auditStatusText(int $status): string
    {
        return [0 => '待审核', 1 => '已通过', 2 => '已驳回'][$status] ?? '未知';
    }

    private function feeTypeText(int $type): string
    {
        return [1 => '挂号', 2 => '问诊', 3 => '药品', 4 => '首付', 5 => '尾款', 6 => '其他', 7 => '全部'][$type] ?? '其他';
    }

    private function fulfillmentStatusText(int $status): string
    {
        return [
            1 => '待双审通过', 2 => '待发货', 3 => '已完成', 4 => '已取消',
            5 => '已发货', 6 => '已签收', 7 => '进行中', 8 => '暂不制药',
            9 => '拒收', 10 => '退款', 11 => '保留药方', 12 => '制药缓发',
        ][$status] ?? '未知';
    }
}