<?php

namespace App\Http\Controllers;

use App\Models\Cart;
use App\Models\Category;
use App\Models\SellerLesson;
use App\Models\SellerLessonLog;
use Auth;
use DB;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\View;

class LessonsController extends Controller
{
    public function __construct(Request $request)
    {
        parent::__construct($request);
        $this->middleware('auth')->except(['show', 'category']);
        View::share('nav', 3);
    }

    public function index(Request $request)
    {
        $type = $request->type ?? 'unoverdue';

        $lists = SellerLessonLog::with('lesson')->whereHas('lesson', function ($query) use ($type) {
            if ($type == 'unoverdue') {
                $query->where('end_at', '>=', date('Y-m-d H:i:s', strtotime("+1 days", time())));
            } else {
                $query->where('end_at', '<=', date('Y-m-d H:i:s', strtotime("+1 days", time())));
            }
        })->where('user_id', Auth::id())->where('status', 1)->get();

        view()->share('nav', 3);

        return view('lesson.index', compact('lists', 'type'));
    }

    public function show(SellerLesson $lesson)
    {
        if (Auth::guest()) {
            $favorite = collect();
        } else {
            $favorite = Auth::user()->lessonFavorite()->where('item_id', $lesson->id)->first();
        }

        $cart = Cart::where('user_id', Auth::id())->where('lesson_id', $lesson->id)->first();
        return view('lesson.show', compact('lesson', 'favorite', 'cart'));
    }

    //分类
    public function category(Request $request)
    {
        $category_id = $request->category_id;

        $location = Parent::getDefaultLocation();
        $lat      = $location['lat'];
        $lng      = $location['lng'];
        $area     = $location['area'];
        $category = Category::find($category_id);

        $user = Auth::user();

        $organCateIds = [];
        if ($user && $user->organ) {
            $organCateIds = $user->organ->top_cate_id;
        }

        $lists = SellerLesson::with(['organ' => function ($query) use ($lat, $lng) {
            $query->select('id', 'name', 'storage_id', 'user_id', 'category_id', DB::raw('round(ACOS(SIN((' . $lat . ' * 3.1415) / 180 ) *SIN((lat * 3.1415) / 180 ) +COS((' . $lat . ' * 3.1415) / 180 ) * COS((lat * 3.1415) / 180 ) *COS((' . $lng . ' * 3.1415) / 180 - (lng * 3.1415) / 180 ) ) * 6380,2) as distance'));
        }])->when(is_numeric($category_id), function ($query) use ($category_id) {
            $query->whereHas('category', function ($q) use ($category_id) {
                $q->where('id', $category_id)->Orwhere('parent_id', $category_id);
            });
        })->when($area, function ($query) use ($area) {
            $query->whereHas('organ', function ($query) use ($area) {
                if ($area->depth == 2) {
                    $query->where('city_sn', $area->sn);
                } elseif ($area->depth == 3) {
                    $query->where('area_sn', $area->sn);
                } else {
                    $query->where('province_sn', $area->sn);
                }
            });
        })->when(in_array($category_id, $organCateIds), function ($q) use ($user) {
            $q->where('seller_id', $user->organ->id);
        })->where('status', 1)->get();

        $search_id = ($category->parent_id == 1) ? $category->id : $category->parent_id;
        $categorys = Category::with('storage')->where('parent_id', $search_id)
            ->orderBy('sort', 'asc')
            ->orderBy('created_at', 'desc')->get();

        return view('lesson.category', compact('lists', 'categorys', 'search_id'));
    }

    public function report(Request $request)
    {
        return view('lesson.report');
    }

    //所有课程
    public function all(Request $request)
    {

        $user        = Auth::user();
        $category_id = $request->category_id ?? '';

        $location = Parent::getDefaultLocation();
        $lat      = $location['lat'];
        $lng      = $location['lng'];
        $area     = $location['area'];

        $organCateIds = [];
        if ($user && $user->organ) {
            $organCateIds = $user->organ->top_cate_id;
        }

        $lists = SellerLesson::with(['organ' => function ($query) use ($lat, $lng) {
            $query->select('id', 'name', 'storage_id', 'user_id', 'category_id', DB::raw('round(ACOS(SIN((' . $lat . ' * 3.1415) / 180 ) *SIN((lat * 3.1415) / 180 ) +COS((' . $lat . ' * 3.1415) / 180 ) * COS((lat * 3.1415) / 180 ) *COS((' . $lng . ' * 3.1415) / 180 - (lng * 3.1415) / 180 ) ) * 6380,2) as distance'));
        }])->when(is_numeric($category_id), function ($query) use ($category_id) {
            $query->whereHas('category', function ($q) use ($category_id) {
                $q->where('id', $category_id)->Orwhere('parent_id', $category_id);
            });
        })->when($area, function ($query) use ($area) {
            $query->whereHas('organ', function ($query) use ($area) {
                if ($area->depth == 2) {
                    $query->where('city_sn', $area->sn);
                } elseif ($area->depth == 3) {
                    $query->where('area_sn', $area->sn);
                } else {
                    $query->where('province_sn', $area->sn);
                }
            });
        })->when(in_array($category_id, $organCateIds), function ($q) use ($user) {
            $q->where('seller_id', $user->organ->id);
        })->where('status', 1)->get();

        $lists = $lists->sortBy('button_value');

        $categorys = Category::with('storage')->where('parent_id', 1)
            ->orderBy('sort', 'asc')
            ->get();

        return view('lesson.all', compact('lists', 'categorys'));
    }
}