<?php

namespace App\Http\Controllers\Mini;

use App\Exceptions\RepositoryException;
use App\Models\StatementModel;
use App\Services\ExportService;
use App\Services\StatementGenerateService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Modules\AnnoRoute\Attribute\GetRoute;
use Modules\AnnoRoute\Attribute\PostRoute;
use Modules\AnnoRoute\Attribute\RequestAttribute;
use Symfony\Component\HttpFoundation\Response;

/**
 * 小程序门店对账单（自助生成 / 查看 / 导出）
 */
#[RequestAttribute('/mini', 'mini', authGuard: 'users')]
class StatementController extends BaseMiniController
{
    /** 对账单列表（当前门店） */
    #[GetRoute('/statement', authorize: true)]
    public function index(Request $request): JsonResponse
    {
        $user = $this->currentUser($request);
        $store = $this->ensureStoreBound($user);

        $data = StatementModel::query()
            ->where('store_id', $store->id)
            ->orderBy('id', 'desc')
            ->paginate((int) $request->input('pageSize', 10))
            ->toArray();

        return $this->success($data);
    }

    /** 生成对账单：快照当前回款周期，settlement_date = period_end + cycle 天 */
    #[PostRoute('/statement/generate', authorize: true)]
    public function generate(Request $request): JsonResponse
    {
        $data = $request->validate([
            'period_start' => 'required|date_format:Y-m-d',
            'period_end' => 'required|date_format:Y-m-d|after_or_equal:period_start',
        ], [
            'period_start.required' => '请选择对账周期开始日期',
            'period_start.date_format' => '开始日期格式为 Y-m-d',
            'period_end.required' => '请选择对账周期结束日期',
            'period_end.date_format' => '结束日期格式为 Y-m-d',
            'period_end.after_or_equal' => '结束日期不能早于开始日期',
        ]);

        $user = $this->currentUser($request);
        $store = $this->ensureStoreBound($user);

        $statement = app(StatementGenerateService::class)->generate(
            $store,
            $data['period_start'],
            $data['period_end'],
        );

        return $this->success([
            'id' => $statement->id,
            'statement_no' => $statement->statement_no,
            'total_amount' => $statement->total_amount,
            'settlement_date' => $statement->settlement_date?->toDateString(),
        ], '对账单已生成');
    }

    /** 对账单详情（校验归属，含单品对账状态标识） */
    #[GetRoute('/statement/{id}', authorize: true, where: ['id' => '[0-9]+'])]
    public function detail(int $id, Request $request): JsonResponse
    {
        $user = $this->currentUser($request);
        $store = $this->ensureStoreBound($user);

        $statement = StatementModel::with('items')
            ->where('store_id', $store->id)
            ->find($id);
        if ($statement === null) {
            throw new RepositoryException('对账单不存在');
        }

        return $this->success($statement->toArray());
    }
}