<?php

namespace App\Http\Controllers\API\H5;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Lib\Rs;
use App\Services\PatientAuthService;
use Illuminate\Support\Facades\DB;

class ApplicationController extends Controller
{
    private PatientAuthService $patientAuthService;

    public function __construct(PatientAuthService $patientAuthService)
    {
        $this->patientAuthService = $patientAuthService;
    }

    /**
     * 获取我的申请单列表
     * POST /api/h5/applications
     */
    public function list(Request $request)
    {
        $payload = $request->attributes->get('payload');
        $idCardNo = $this->patientAuthService->getPatientIdCardNo($payload);
        $status = $request->input('status', null);

        $query = DB::table('exam_application as ea')
            ->leftJoin('patient_type as pt', 'ea.patient_type', '=', 'pt.mask')
            ->where('ea.patient_id_card_no', $idCardNo)
            ->whereNotNull('ea.patient_id_card_no')
            ->select([
                'ea.id',
                'ea.his_order_id',
                'ea.his_request_no',
                'ea.patient_type',
                'ea.patient_name',
                'ea.patient_gender',
                'ea.patient_age',
                'ea.examination_item_name',
                'ea.examination_item_code',
                'ea.examination_department_name',
                'ea.apply_department_name',
                'ea.apply_doctor_name',
                'ea.apply_time',
                'ea.payment_status',
                'ea.clinical_diagnosis',
                'ea.notes',
                'ea.status',
                'ea.created_at',
                'pt.name as patient_type_name'
            ]);

        if ($status !== null) {
            $query->where('ea.status', $status);
        }

        $list = $query->orderBy('ea.apply_time', 'desc')
            ->orderBy('ea.id', 'desc')
            ->get();

        // 为已预约的医嘱附加预约信息
        $appointmentIds = $list->where('status', 1)->pluck('id')->toArray();
        $appointments = [];
        if (!empty($appointmentIds)) {
            $appointments = DB::table('exam_appointment as ea')
                ->leftJoin('department_resource as dr', 'ea.department_resource_id', '=', 'dr.id')
                ->leftJoin('plan as p', 'ea.time_slot_id', '=', 'p.id')
                ->whereIn('ea.exam_application_id', $appointmentIds)
                ->where('ea.status', 1)
                ->select([
                    'ea.id',
                    'ea.exam_application_id',
                    'ea.appointment_time',
                    'ea.status as appointment_status',
                    'dr.name as resource_name',
                    'p.start_time as slot_start_time',
                    'p.end_time as slot_end_time'
                ])
                ->get()
                ->keyBy('exam_application_id')
                ->toArray();
        }

        foreach ($list as $item) {
            if ($item->status === 1 && isset($appointments[$item->id])) {
                $item->appointment_info = $appointments[$item->id];
            } else {
                $item->appointment_info = null;
            }
        }

        return Rs::success(['list' => $list]);
    }

    /**
     * 获取申请单详情（含检查项目详情）
     * POST /api/h5/application/detail
     */
    public function detail(Request $request)
    {
        $payload = $request->attributes->get('payload');
        $idCardNo = $this->patientAuthService->getPatientIdCardNo($payload);
        $applicationId = $request->input('application_id');

        if (empty($applicationId)) {
            return Rs::error('请提供申请单ID');
        }

        $application = DB::table('exam_application as ea')
            ->leftJoin('patient_type as pt', 'ea.patient_type', '=', 'pt.mask')
            ->where('ea.id', $applicationId)
            ->where('ea.patient_id_card_no', $idCardNo)
            ->select([
                'ea.*',
                'pt.name as patient_type_name'
            ])
            ->first();

        if (!$application) {
            return Rs::error('未找到该申请单');
        }

        // 查询关联的检查项目详情
        $examItem = DB::table('exam_item')
            ->where('code', $application->examination_item_code)
            ->where('deleted', 0)
            ->select([
                'id', 'code', 'name', 'desc', 'need_appointment',
                'exam_part_code', 'fasting_status', 'check_tips',
                'check_time', 'use_seats', 'status'
            ])
            ->first();

        $application->exam_item_detail = $examItem;

        // 如果已预约，附加预约详情
        if ($application->status == 1) {
            $appointment = DB::table('exam_appointment as ea')
                ->leftJoin('department_resource as dr', 'ea.department_resource_id', '=', 'dr.id')
                ->leftJoin('channel as c', 'ea.channel_id', '=', 'c.id')
                ->leftJoin('plan as p', 'ea.time_slot_id', '=', 'p.id')
                ->where('ea.exam_application_id', $applicationId)
                ->where('ea.status', 1)
                ->select([
                    'ea.id', 'ea.appointment_time', 'ea.status as appointment_status',
                    'ea.department_resource_id', 'dr.name as resource_name',
                    'c.name as channel_name',
                    'p.start_time as slot_start_time', 'p.end_time as slot_end_time',
                    'dr.cancel_reason_required'
                ])
                ->first();

            $application->appointment_info = $appointment;
        }

        return Rs::success($application);
    }
}