<?php

namespace App\Http\Controllers;

use App\Models\Cart;
use App\Models\GoodsParams;
use App\Models\SellerLesson;
use Auth;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\View;
use RuLong\Coupon\Models\CouponUserLog;

class CartController extends Controller
{

    public function __construct(Request $request)
    {
        parent::__construct($request);
        $this->middleware('auth')->except(['store']);
        View::share('nav', 3);
    }

    public function index(Request $request)
    {
        $lists = Cart::mine()->with('lesson')->orderBy('id', 'desc')->get();

        $gifts = GoodsParams::whereHas('goods', function ($query) {
            $query->where('status', 1)->where('is_seller_gift', 1);
        })->where('stock', '>', 0)->get();

        $coupon_list = CouponUserLog::with('info')->whereHas('info', function ($query) {
            $query->where('type', 'lesson')
                ->where('start_at', '<=', date('Y-m-d H:i:s', time()))
                ->where('end_at', '>=', date('Y-m-d H:i:s', time()));
        })->where('user_id', Auth::id())->where('status', 0)->get();

        $coupon = $coupon_list->sortByDesc(function ($coupon, $key) {
            return $coupon->info->bouns;
        })->first();

        $apply_lesson_price = \Params::get('apply_lesson_price');
        return view('cart.index', compact('lists', 'gifts', 'coupon', 'apply_lesson_price'));
    }

    public function show(Request $request, $params_id)
    {
        $info = GoodsParams::with('goods.storage')->find($params_id);
        return view('cart.show', compact('info'));
    }

    public function delete(Cart $cart)
    {
        if ($cart->delete()) {
            return $this->success('取消成功');
        } else {
            return $this->error('取消失败');
        }
    }

    public function store(SellerLesson $lesson)
    {
        if (Auth::guest()) {
            return $this->error('请登录后在进行此操作', route('login'));
        }

        $user_id = Auth::id();
        $max_num = \Params::get('lesson_num');
        $count   = Cart::where('user_id', $user_id)->count();

        if ($count >= $max_num) {
            return $this->error('您已经报满' . $max_num . '个机构课程请前去支付', route('cart.index'));
        }

        $info = Cart::where('lesson_id', $lesson->id)->where('user_id', $user_id)->first();
        if ($info) {
            return $this->error('您已经报名此课程');
        }

        $seller = Cart::where('seller_id', $lesson->organ->id)->where('user_id', $user_id)->first();
        if ($seller) {
            return $this->error('一个机构只能报名一门课程');
        }

        $result = Cart::create([
            'user_id'   => Auth::id(),
            'lesson_id' => $lesson->id,
            'seller_id' => $lesson->organ->id,
            'number'    => 1,
        ]);
        return $this->success('报名成功', route('cart.index'));

    }
}