<?php

namespace App\Http\Controllers\Recon;

use App\Exceptions\RepositoryException;
use App\Models\BillModel;
use App\Models\PaymentModel;
use App\Models\StoreModel;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Modules\AnnoRoute\Attribute\GetRoute;
use Modules\AnnoRoute\Attribute\PutRoute;
use Modules\AnnoRoute\Attribute\RequestAttribute;
use Modules\Common\Http\Controllers\BaseController;
use Throwable;

/**
 * 支付记录（小程序合并付款提交汇款凭证；后台审核：通过后关联账单批量置已支付，拒绝释放账单）
 */
#[RequestAttribute('/recon/payment', 'recon.payment')]
class PaymentController extends BaseController
{
    protected array $searchField = [
        'store_id' => '=',
        'status' => '=',
        'pay_type' => '=',
        'pay_method' => '=',
        'payment_no' => 'like',
    ];

    /** 支付记录列表（待审核优先） */
    #[GetRoute(authorize: 'query')]
    public function query(Request $request): JsonResponse
    {
        $params = $request->all();
        $pageSize = $params['pageSize'] ?? 10;
        $data = $this->buildSearch($params, PaymentModel::query()
            ->with(['store:id,name', 'auditor:id,nickname'])
            ->withCount('bills'))
            ->orderBy('status')
            ->orderBy('id', 'desc')
            ->paginate($pageSize)
            ->toArray();
        return $this->success($data);
    }

    /** 支付记录详情：支付信息 + 凭证图片 + 合并付款的账单 */
    #[GetRoute(route: '/{id}', authorize: 'query', where: ['id' => '[0-9]+'])]
    public function detail(int $id): JsonResponse
    {
        $payment = PaymentModel::with(['store:id,name,contact,phone', 'auditor:id,nickname'])->find($id);
        if (empty($payment)) {
            throw new RepositoryException('支付记录不存在');
        }

        $bills = $payment->bills()
            ->orderBy('id')
            ->get(['id', 'bill_no', 'bill_date', 'product_amount', 'delivery_fee', 'added_amount', 'total_amount', 'status'])
            ->toArray();

        $data = $payment->toArray();
        $data['voucher_urls'] = $payment->voucherUrls();

        return $this->success([
            'payment' => $data,
            'bills' => $bills,
        ]);
    }

    /**
     * 审核支付记录：通过 → 关联账单全部置已支付；拒绝 → 释放账单（可重新发起付款）
     * @throws Throwable
     */
    #[PutRoute(route: '/{id}/audit', authorize: 'audit', where: ['id' => '[0-9]+'])]
    public function audit(int $id, Request $request): JsonResponse
    {
        $data = $request->validate([
            'result' => 'required|string|in:pass,reject',
            'audit_remark' => 'nullable|string|max:255|required_if:result,reject',
        ], [
            'result.required' => '请选择审核结果',
            'result.in' => '审核结果不正确',
            'audit_remark.required_if' => '拒绝时请填写原因',
            'audit_remark.max' => '审核备注超过最大长度',
        ]);

        return DB::transaction(function () use ($id, $data, $request) {
            $payment = PaymentModel::query()->lockForUpdate()->find($id);
            if (empty($payment)) {
                throw new RepositoryException('支付记录不存在');
            }
            if ($payment->status !== PaymentModel::STATUS_PENDING) {
                throw new RepositoryException('该支付记录已审核，请勿重复操作');
            }

            $bills = $payment->bills()->lockForUpdate()->get();
            $auditorId = (int) $request->user()->id;
            $now = now();

            if ($data['result'] === 'pass') {
                // 任一账单已通过其他方式收款（如线下登记）则整批中止，避免重复收款
                $paid = $bills->where('status', BillModel::STATUS_PAID);
                if ($paid->isNotEmpty()) {
                    throw new RepositoryException(
                        '账单 ' . $paid->pluck('bill_no')->implode('、') . ' 已收款，请核实后再审核'
                    );
                }

                $methodName = PaymentModel::METHOD_NAMES[$payment->pay_method] ?? '线上支付';
                BillModel::query()->whereIn('id', $bills->pluck('id'))->update([
                    'status' => BillModel::STATUS_PAID,
                    'paid_at' => $now,
                    'paid_operator_id' => $auditorId,
                    'pay_remark' => $methodName . '（支付单号 ' . $payment->payment_no . '）',
                ]);

                // 按门店累加总采购金额（只统计商品金额，不含配送费/附加金额）
                foreach ($bills->groupBy('store_id')->sortKeys() as $storeId => $storeBills) {
                    $amount = '0';
                    foreach ($storeBills as $storeBill) {
                        $amount = bcadd($amount, (string) $storeBill->product_amount, 2);
                    }
                    $store = StoreModel::query()->lockForUpdate()->find((int) $storeId);
                    if ($store !== null) {
                        $store->total_purchase_amount = bcadd((string) $store->total_purchase_amount, $amount, 2);
                        $store->save();
                    }
                }
                $payment->status = PaymentModel::STATUS_APPROVED;
            } else {
                // 拒绝：释放账单，门店可重新发起付款
                BillModel::query()->whereIn('id', $bills->pluck('id'))->update(['payment_id' => 0]);
                $payment->status = PaymentModel::STATUS_REJECTED;
            }

            $payment->audited_at = $now;
            $payment->auditor_id = $auditorId;
            $payment->audit_remark = (string) ($data['audit_remark'] ?? '');
            $payment->save();

            return $this->success(
                [],
                $payment->status === PaymentModel::STATUS_APPROVED
                    ? '审核通过，' . $bills->count() . ' 张账单已置为已支付'
                    : '已拒绝，账单已释放可重新付款'
            );
        });
    }
}