<?php

namespace App\Endpoint\Api\Http\Controllers;

use App\Endpoint\Api\Http\Resources\UserCouponResource;
use App\Exceptions\BizException;
use App\Helpers\Paginator as PaginatorHelper;
use App\Models\User;
use App\Models\UserCoupon;
use Illuminate\Http\Request;

class UserCouponController extends Controller
{
    /**
     * 我的优惠券
     *
     * @param \Illuminate\Http\Request $request
     * @return \Illuminate\Http\JsonResponse
     */
    public function index(Request $request)
    {
        $user = $request->user();
        $query = $user->coupons();

        $coupons = $query->filter($request->all())->simplePaginate(PaginatorHelper::resolvePerPage('per_page', 20, 50));

        return UserCouponResource::collection($coupons);
    }

    /**
     * 查询所有用户的优惠券
     */
    public function list(Request $request)
    {
        $user = $request->user();
        // 员工身份
        if (!$user->userInfo->is_company) {
            throw new BizException("非员工身份");
        }
        $query = UserCoupon::query();
        if ($request->input('user_phone')) {
            $user = User::where('phone', $request->input('user_phone'))->first();
            if (!$user) {
                throw new BizException("手机号不存在");
            }
            $query->where('user_id', $user->id);
        }

        $coupons = $query->filter($request->all())->simplePaginate(PaginatorHelper::resolvePerPage('per_page', 20, 50));

        return UserCouponResource::collection($coupons);
    }

    /**
     * 计算优惠券抵扣金额
     */
    public function discount(Request $request)
    {
        $request->validate([
            'id' => 'required'
        ], [
            'id.required' => '优惠券id必填'
        ]);
        $id = $request->input('id');
        $coupon = UserCoupon::query()->onlyAvailable()->findOrFail($id);
        $total = $request->input('total', 0) * 100;
        $discount = $coupon->getDiscountAmount($total);

        return response()->json(['discount' => bcdiv($discount, 100, 2)]);
    }

    /**
     * 直接核销优惠券
     */
    public function check(Request $request)
    {
        $user = $request->user();
        // 员工身份
        if (!$user->userInfo->is_company) {
            throw new BizException("非员工身份");
        }
        $request->validate([
            'id' => 'requreid'
        ], [
            'id.required' => '优惠券id必填'
        ]);
        $id = $request->input('id');
        $coupon = UserCoupon::query()->onlyAvailable()->findOrFail($id);
        $coupon->markAsUse();

        return response()->json([]);
    }
}