<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use App\Lib\HSM;

class RecordQueryController extends Controller
{
    public function index()
    {
        return view('record_query', [
            'startDate' => '',
            'endDate' => '',
            'type' => '',
            'records' => null
        ]);
    }

    public function query(Request $request)
    {
        $startDate = $request->input('start_date');
        $endDate = $request->input('end_date');
        $type = $request->input('type'); // 1预约 2登记

        if (!$startDate || !$endDate || !$type) {
            return redirect()->back()->with('error', '请填写完整查询条件');
        }

        if ($type == 1) {
            // 查询预约表
            $records = DB::table('appointment_record')
                ->select('name', 'tel', 'id_card_num', 'created_at',  DB::raw('(select org_name from medical_institution where sn = org_code) as org_name'))
                ->whereBetween('created_at', [$startDate, $endDate])
                ->where('is_del', 0)
                ->get();
        } else {
            // 查询登记表
            $records = DB::table('examination_records')
                ->select('name', 'tel', 'id_card_num', 'created_at', DB::raw('(select org_name from medical_institution where id = institution_id) as org_name'))
                ->whereBetween('created_at', [$startDate, $endDate])
                ->where('is_del', 0)
                ->get();
        }

        // 解密处理
        foreach ($records as $record) {
            // 解密电话
            if ($record->tel) {
                $decryptTel = HSM::HsmDecrypt($record->tel);
                $record->tel = $decryptTel['status'] ? $decryptTel['data'] : '解密失败';
            }

            // 解密身份证号
            if ($record->id_card_num) {
                $decryptIdCard = HSM::HsmDecrypt($record->id_card_num);
                $record->id_card_num = $decryptIdCard['status'] ? $decryptIdCard['data'] : '解密失败';
            }
        }

        return view('record_query', compact('records', 'startDate', 'endDate', 'type'));
    }

    public function export(Request $request)
    {
        $startDate = $request->input('start_date');
        $endDate = $request->input('end_date');
        $type = $request->input('type'); // 1预约 2登记

        if (!$startDate || !$endDate || !$type) {
            return redirect()->back()->with('error', '请填写完整查询条件');
        }

        if ($type == 1) {
            // 查询预约表
            $records = DB::table('appointment_record')
                ->select('name', 'tel', 'id_card_num', 'created_at', DB::raw('(select org_name from medical_institution where sn = org_code) as org_name'))
                ->whereBetween('created_at', [$startDate, $endDate])
                ->where('is_del', 0)
                ->get();
        } else {
            // 查询登记表
            $records = DB::table('examination_records')
                ->select('name', 'tel', 'id_card_num', 'created_at', DB::raw('(select org_name from medical_institution where id = institution_id) as org_name'))
                ->whereBetween('created_at', [$startDate, $endDate])
                ->where('is_del', 0)
                ->get();
        }

        // 解密处理
        foreach ($records as $record) {
            // 解密电话
            if ($record->tel) {
                $decryptTel = HSM::HsmDecrypt($record->tel);
                $record->tel = $decryptTel['status'] ? $decryptTel['data'] : '解密失败';
            } else {
                $record->tel = '空';
            }

            // 解密身份证号
            if ($record->id_card_num) {
                $decryptIdCard = HSM::HsmDecrypt($record->id_card_num);
                $record->id_card_num = $decryptIdCard['status'] ? $decryptIdCard['data'] : '解密失败';
            } else {
                $record->id_card_num = '空';
            }

            // 处理空值
            $record->name = $record->name ?? '空';
            $record->created_at = $record->created_at ?? '空';
            $record->org_name = $record->org_name ?? '空';
        }

        // 设置CSV文件名
        $fileName = 'records_' . date('YmdHis') . '.csv';

        // 设置响应头
        $headers = [
            'Content-Type' => 'text/csv',
            'Content-Disposition' => 'attachment; filename="' . $fileName . '"',
        ];

        // 创建CSV内容
        $callback = function() use ($records) {
            $handle = fopen('php://output', 'w');

            // 写入BOM头，解决中文乱码问题
            fwrite($handle, chr(0xEF) . chr(0xBB) . chr(0xBF));

            // 写入表头
            fputcsv($handle, ['姓名', '电话', '身份证号', '创建时间', '机构名称'], ',');

            // 写入数据
            foreach ($records as $record) {
                fputcsv($handle, [
                    $record->name,
                    $record->tel,
                    $record->id_card_num,
                    $record->created_at,
                    $record->org_name
                ], ',');
            }

            fclose($handle);
        };

        return response()->stream($callback, 200, $headers);
    }
}