<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\ShopStoreRequest;
use App\Http\Requests\Admin\ShopUpdateRequest;
use App\Models\Goods;
use App\Models\GoodsCategory;
use App\Models\Level;
use Arr;
use Exception;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Http\UploadedFile;
use Log;
use Redirect;
use Response;
use Str;

class ShopController extends Controller
{
    // 商品列表
    public function index(Request $request)
    {
        $query = Goods::query();

        foreach (['type', 'status'] as $field) {
            $request->whenFilled($field, function ($value) use ($query, $field) {
                $query->where($field, $value);
            });
        }

        $goodsList = $query->orderByDesc('status')->paginate(10)->appends($request->except('page'));

        foreach ($goodsList->load('orders') as $goods) {
            $goods->use_count = $goods->orders->whereIn('status', [2, 3])->where('is_expire', 0)->count();
            $goods->total_count = $goods->orders->whereIn('status', [2, 3])->count();
        }

        return view('admin.shop.index', ['goodsList' => $goodsList]);
    }

    // 添加商品页面
    public function create()
    {
        return view('admin.shop.info', ['levels' => Level::orderBy('level')->get(), 'categories' => GoodsCategory::all()]);
    }

    // 添加商品
    public function store(ShopStoreRequest $request): RedirectResponse
    {
        $data = $request->validated();
        if (array_key_exists('traffic_unit', $data)) {
            $data['traffic'] *= $data['traffic_unit'];
            Arr::forget($data, 'traffic_unit');
        }
        $data['is_hot'] = array_key_exists('is_hot', $data) ? 1 : 0;
        $data['status'] = array_key_exists('status', $data) ? 1 : 0;

        // 商品LOGO
        if ($request->hasFile('logo')) {
            $path = $this->fileUpload($request->file('logo'));
            if (is_string($path)) {
                $data['logo'] = $path;
            } else {
                return $path;
            }
        }
        try {
            if ($good = Goods::create($data)) {
                return Redirect::route('admin.goods.edit', $good)->with('successMsg', '添加成功');
            }
        } catch (Exception $e) {
            Log::error('添加商品信息异常：'.$e->getMessage());

            return Redirect::back()->withInput()->withErrors('添加商品信息失败：'.$e->getMessage());
        }

        return Redirect::back()->withInput()->withErrors('添加商品信息失败');
    }

    // 图片上传
    public function fileUpload(UploadedFile $file)
    {
        $fileName = Str::random(8).time().'.'.$file->getClientOriginalExtension();
        if (! $file->storeAs('public', $fileName)) {
            return Redirect::back()->withInput()->withErrors('Logo存储失败');
        }

        return 'upload/'.$fileName;
    }

    // 编辑商品页面
    public function edit(Goods $good)
    {
        return view('admin.shop.info', [
            'good'       => $good,
            'levels'     => Level::orderBy('level')->get(),
            'categories' => GoodsCategory::all(),
        ]);
    }

    // 编辑商品
    public function update(ShopUpdateRequest $request, Goods $good)
    {
        $data = $request->validated();

        // 商品LOGO
        if ($request->hasFile('logo')) {
            $path = $this->fileUpload($request->file('logo'));
            if (is_string($path)) {
                $data['logo'] = $path;
            } else {
                return $path;
            }
        }

        try {
            $data['is_hot'] = array_key_exists('is_hot', $data) ? 1 : 0;
            $data['status'] = array_key_exists('status', $data) ? 1 : 0;
            if ($good->update($data)) {
                return Redirect::back()->with('successMsg', '编辑成功');
            }
        } catch (Exception $e) {
            Log::error('编辑商品信息失败：'.$e->getMessage());

            return Redirect::back()->withErrors('编辑商品信息失败：'.$e->getMessage());
        }

        return Redirect::back()->withInput()->withErrors('编辑失败');
    }

    // 删除商品
    public function destroy(Goods $good): JsonResponse
    {
        try {
            if ($good->delete()) {
                return Response::json(['status' => 'success', 'message' => '删除成功']);
            }
        } catch (Exception $e) {
            Log::error('编辑商品失败：'.$e->getMessage());

            return Response::json(['status' => 'fail', 'message' => '编辑商品失败：'.$e->getMessage()]);
        }

        return Response::json(['status' => 'fail', 'message' => '删除失败']);
    }
}