<?php

namespace App\Endpoint\Api\Http\Controllers;

use App\Endpoint\Api\Http\Controllers\Controller;
use App\Exceptions\BizException;
use App\Models\OfflineOrderPreview;
use App\Models\Store\Store;
use EasyWeChat\Factory;
use EasyWeChat\Kernel\Http\StreamResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;

class OfflineOrderPreviewController extends Controller
{
    public function store(Request $request)
    {
        $request->validate([
            'store_id' => ['bail', 'required', 'int'],
            'items' => ['bail', 'required', 'array'],
            'items.*.product_category_id' => ['bail', 'required', 'int'],
            'items.*.products_total_amount' => ['bail', 'required', 'numeric', 'min:0', 'regex:/^([1-9]\d*|0)(\.\d{1,2})?$/'],
            'items.*.discount' => ['bail', 'nullable', 'numeric', 'gt:0', 'lt:10', 'regex:/^[0-9](\.\d{1,2})?$/'],
        ]);

        $user = $request->user();

        if (! $user->userInfo->is_company) {
            throw new BizException('非内部员工');
        }

        $store = Store::findOrFail($request->input('store_id'));

        $preview = OfflineOrderPreview::create([
            'store_id' => $store->id,
            'staff_id' => $user->id,
            'payload' => ['items' => $request->input('items')],
        ]);

        $scene = http_build_query([
            'oop' => $preview->id,
            'i' => $user->userInfo->code,
        ]);

        // 生成小程序码
        $app = Factory::miniProgram(config('wechat.mini_program.default'));

        $response = $app->app_code->getUnlimit($scene, [
            'page'  => 'pages/welcome/index',
            'check_path' => false,
            'env_version' => app()->isProduction() ? 'release' : $request->input('env_version', 'trial'),
            'width' => $request->input('width', 200),
        ]);

        // 保存小程序码
        if ($response instanceof StreamResponse) {
            $directory = 'offline-order-preview';
            $filename = "{$preview->id}.png";

            $disk = Storage::disk('public');

            $response->save($disk->path($directory), $filename);

            $preview->update(['qrcode' => $disk->url("{$directory}/{$filename}")]);

            return response()->json([
                'id' => $preview->id,
                'qrcode' => $preview->qrcode,
            ]);
        }

        logger('offline_order_preview 小程序码生成失败', $response);

        throw new BizException('生成失败, 请重试');
    }

    public function show($id)
    {
        $preview = OfflineOrderPreview::findOrFail($id);

        return response()->json([
            'id' => $preview->id,
            'qrcode' => $preview->qrcode,
        ]);
    }
}