<?php
namespace App\Admin\Controllers;

use Admin;
use App\Models\Seller;
use App\Models\SellerTeacher;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Validator;

class TeacherController extends Controller
{

    public function index(Request $request)
    {
        $seller_id      = $request->seller_id;
        $title          = $request->title;
        $orderField     = $request->orderField;
        $orderDirection = $request->orderDirection;
        $numPerPage     = $request->numPerPage ?: 30;
        $admin          = Admin::user();

        $teachers = SellerTeacher::when($seller_id, function ($query) use ($seller_id) {
            $query->where('seller_id', $seller_id);
        })
            ->when($title, function ($query) use ($title) {
                $query->where('title', 'like', "%{$title}%");
            })
            ->when($orderField, function ($query) use ($orderField, $orderDirection) {
                $query->orderBy($orderField, $orderDirection);
            })
            ->orderBy('created_at', 'desc')
            ->paginate($numPerPage);

        return view('Admin::teacher.index', compact('teachers'));
    }

    public function create()
    {
        $sellers = Seller::where('type', 'organ')->get();
        return view('Admin::teacher.create', compact('sellers'));
    }

    public function store(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'name'       => 'required|min:2|max:50',
            'rank'       => 'required|min:2',
            'school_age' => 'required',
            'storage_id' => 'required',
        ], [
            'name.required'       => '标题必须填写',
            'name.min'            => '标题最少为:min字符',
            'name.max'            => '标题最多为:max字符',
            'rank.required'       => '职级必须填写',
            'rank.min'            => '职级最少:min个字',
            'school_age.required' => '教龄必须填写',
            'storage_id.required' => '教师头像必须上传',

        ]);

        if ($validator->fails()) {
            return $this->error($validator->errors()->first());
        }

        try {
            DB::transaction(function () use ($request) {
                $info = SellerTeacher::create($request->all());
            });
            return $this->success('操作成功', 'close');
        } catch (\Exception $e) {
            return $this->error('操作失败' . $e->getmessage());
        }

    }

    public function edit($id)
    {
        $info    = SellerTeacher::find($id);
        $sellers = Seller::where('type', 'organ')->get();
        return view('Admin::teacher.edit', compact('info', 'sellers'));
    }

    public function update(Request $request, $id)
    {
        $info = SellerTeacher::find($id);

        $validator = Validator::make($request->all(), [
            'name'       => 'required|min:2|max:50',
            'rank'       => 'required|min:2',
            'school_age' => 'required',
            'storage_id' => 'required',
        ], [
            'name.required'       => '标题必须填写',
            'name.min'            => '标题最少为:min字符',
            'name.max'            => '标题最多为:max字符',
            'rank.required'       => '职级必须填写',
            'rank.min'            => '职级最少:min个字',
            'school_age.required' => '教龄必须填写',
            'storage_id.required' => '教师头像必须上传',

        ]);

        if ($validator->fails()) {
            return $this->error($validator->errors()->first());
        }

        try {
            DB::transaction(function () use ($request, $info) {
                $info = $info->update($request->all());
            });
            return $this->success('操作成功', 'close');
        } catch (\Exception $e) {
            return $this->error('操作失败' . $e->getmessage());
        }

    }

    /**
     * 彻底删除单条目
     * @Author:<C.Jason>
     * @Date:2018-11-02T13:43:36+0800
     * @param [type] $user [description]
     * @return [type] [description]
     */
    public function delete(SellerTeacher $info)
    {
        try {
            DB::transaction(function () use ($info) {
                $info->delete();
            });
            return $this->success('操作成功');
        } catch (\Exception $e) {
            return $this->error('操作失败' . $e->getmessage());
        }

    }
}