<?php

namespace App\Http\Controllers;

use App\Http\Models\Goods;
use App\Http\Models\GoodsLabel;
use App\Http\Models\Label;
use DB;
use Exception;
use Illuminate\Http\Request;
use Log;
use Redirect;
use Response;
use Session;

/**
 * 商店控制器
 *
 * Class ShopController
 *
 * @package App\Http\Controllers
 */
class ShopController extends Controller
{
    // 商品列表
    public function goodsList(Request $request)
    {
        $type = $request->input('type');
        $status = $request->input('status');

        $query = Goods::query();

        if (isset($type)) {
            $query->where('type', $type);
        }

        if (isset($status)) {
            $query->where('status', $status);
        }

        $view['goodsList'] = $query->orderBy('id', 'desc')->paginate(10)->appends($request->except('page'));

        return Response::view('shop.goodsList', $view);
    }

    // 添加商品
    public function addGoods(Request $request)
    {
        if ($request->isMethod('POST')) {
            $this->validate($request, ['name' => 'required', 'traffic' => 'required_unless:type,3|integer|min:1024|max:10240000|nullable', 'price' => 'required|numeric|min:0', 'type' => 'required', 'days' => 'required|integer',], ['name.required' => '请填入名称', 'traffic.required_unless' => '请填入流量', 'traffic.integer' => '内含流量必须是整数值', 'traffic.min' => '内含流量不能低于1MB', 'traffic.max' => '内含流量不能超过10TB', 'price.required' => '请填入价格', 'price.numeric' => '价格不合法', 'price.min' => '价格最低0', 'type.required' => '请选择类型', 'days.required' => '请填入有效期', 'days.integer' => '有效期不合法',]);

            // 套餐必须有价格
            if ($request->type == 2 && $request->price <= 0) {
                return Redirect::back()->withInput()->withErrors('套餐价格必须大于0');
            }

            // 套餐有效天数必须大于30天
            if ($request->type == 2 && $request->days < 1) {
                return Redirect::back()->withInput()->withErrors('套餐有效天数必须不能少于1天');
            }

            // 商品LOGO
            if ($request->hasFile('logo')) {
                $file = $request->file('logo');
                $fileType = $file->getClientOriginalExtension();

                // 验证文件合法性
                if (!in_array($fileType, ['jpg', 'png', 'jpeg', 'bmp'])) {
                    return Redirect::back()->withInput()->withErrors('LOGO不合法');
                }

                $logoName = date('YmdHis') . mt_rand(1000, 2000) . '.' . $fileType;
                $move = $file->move(base_path() . '/public/upload/image/', $logoName);
                $logo = $move ? '/upload/image/' . $logoName : '';
            } else {
                $logo = '';
            }

            DB::beginTransaction();
            try {
                $goods = new Goods();
                $goods->name = $request->name;
                $goods->info = $request->info;
                $goods->desc = $request->desc;
                $goods->logo = $logo;
                $goods->traffic = $request->traffic;
                $goods->price = round($request->price, 2);
                $goods->type = $request->type;
                $goods->days = $request->days;
                $goods->color = $request->color;
                $goods->sort = $request->sort;
                $goods->is_hot = $request->is_hot;
                $goods->is_limit = $request->is_limit;
                $goods->status = $request->status;
                $goods->save();

                // 生成SKU
                $goods->sku = 'S0000' . $goods->id;
                $goods->save();

                // 生成商品标签
                $labels = $request->input('labels');
                if (!empty($labels)) {
                    foreach ($labels as $label) {
                        $goodsLabel = new GoodsLabel();
                        $goodsLabel->goods_id = $goods->id;
                        $goodsLabel->label_id = $label;
                        $goodsLabel->save();
                    }
                }

                DB::commit();

                return Redirect::back()->with('successMsg', '添加成功');
            } catch (Exception $e) {
                DB::rollBack();
                Log::info($e);

                return Redirect::back()->withInput()->withErrors('添加失败');
            }
        } else {
            $view['label_list'] = Label::query()->orderBy('sort', 'desc')->orderBy('id', 'asc')->get();

            return Response::view('shop.addGoods', $view);
        }
    }

    // 编辑商品
    public function editGoods(Request $request, $id)
    {
        if ($request->isMethod('POST')) {
            $name = $request->input('name');
            $info = $request->input('info');
            $desc = $request->input('desc');
            $price = round($request->input('price'), 2);
            $labels = $request->input('labels');
            $color = $request->input('color');
            $sort = $request->input('sort');
            $is_hot = $request->input('is_hot');
            $is_limit = $request->input('is_limit');
            $status = $request->input('status');

            $goods = Goods::query()->where('id', $id)->first();
            if (!$goods) {
                Session::flash('errorMsg', '商品不存在');

                return Redirect::back();
            }

            if (empty($name)) {
                Session::flash('errorMsg', '请填写完整');

                return Redirect::back()->withInput();
            }

            // 套餐必须有价格
            if ($goods->type == 2 && $price <= 0) {
                Session::flash('errorMsg', '套餐价格必须大于0');

                return Redirect::back()->withInput();
            }

            // 商品LOGO
            $logo = '';
            if ($request->hasFile('logo')) {
                $file = $request->file('logo');
                $fileType = $file->getClientOriginalExtension();

                // 验证文件合法性
                if (!in_array($fileType, ['jpg', 'png', 'jpeg', 'bmp'])) {
                    Session::flash('errorMsg', 'LOGO不合法');

                    return Redirect::back()->withInput();
                }

                $logoName = date('YmdHis') . mt_rand(1000, 2000) . '.' . $fileType;
                $move = $file->move(base_path() . '/public/upload/image/', $logoName);
                $logo = $move ? '/upload/image/' . $logoName : '';
            }

            DB::beginTransaction();
            try {
                $data = ['name' => $name, 'info' => $info, 'desc' => $desc, 'price' => $price * 100, 'sort' => $sort, 'color' => $color, 'is_hot' => $is_hot, 'is_limit' => $is_limit, 'status' => $status];

                if ($logo) {
                    $data['logo'] = $logo;
                }

                Goods::query()->where('id', $id)->update($data);

                // 先删除该商品所有的标签
                GoodsLabel::query()->where('goods_id', $id)->delete();

                // 生成商品标签
                if (!empty($labels)) {
                    foreach ($labels as $label) {
                        $goodsLabel = new GoodsLabel();
                        $goodsLabel->goods_id = $id;
                        $goodsLabel->label_id = $label;
                        $goodsLabel->save();
                    }
                }

                Session::flash('successMsg', '编辑成功');

                DB::commit();
            } catch (Exception $e) {
                Session::flash('errorMsg', '编辑失败');

                DB::rollBack();
            }

            return Redirect::to('shop/editGoods/' . $id);
        } else {
            $goods = Goods::query()->with(['label'])->where('id', $id)->first();
            if ($goods) {
                $label = [];
                foreach ($goods->label as $vo) {
                    $label[] = $vo->label_id;
                }
                $goods->labels = $label;
            }

            $view['goods'] = $goods;
            $view['label_list'] = Label::query()->orderBy('sort', 'desc')->orderBy('id', 'asc')->get();

            return Response::view('shop.editGoods', $view);
        }
    }

    // 删除商品
    public function delGoods(Request $request)
    {
        Goods::query()->where('id', $request->input('id'))->delete();

        return Response::json(['status' => 'success', 'data' => '', 'message' => '删除成功']);
    }
}