<?php

namespace App\Http\Controllers\Admin;

use App\Models\Admin;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Auth;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\Validator;

class AdminController extends Controller
{
    //获取管理员列表
    public function index(Request $request){
        $input=$request->all();
        $search_name=$input['search_name'];
        $page_size=$input['page_size'];
        $page_index=$input['page_index'];
        $num=($page_index-1)*$page_size;
        $count=DB::table('admins')
            ->join('roles','admins.roleid','=','roles.id')
            ->select('admins.id','admins.name','roles.name as rolename','roles.id as rid','admins.status')
            ->where('admins.name','like','%'.$search_name.'%')
            ->count();
        if($count>0){
            $admins = DB::table('admins')
                ->join('roles','admins.roleid','=','roles.id')
                ->select('admins.id','admins.name','roles.name as rolename','roles.id as rid','admins.status','admins.is_team','admins.team_id')
                ->where('admins.name','like','%'.$search_name.'%')
                ->orderBy('admins.id','desc')
                ->skip($num)->take($page_size)->get();
            if($admins){
                return response()->json([
                    'error_code'=>200,
                    'msg'=>'获取成功',
                    'data'=> $admins,
                    'count'=>$count
                ]);
            }else{
                return response()->json([
                    'error_code'=>0,
                    'msg'=>'获取失败'
                ]);
            }
        }else{
            return response()->json([
                'error_code'=>200,
                'msg'=>'没有获取到数据',
                'data'=> [],
                'count'=>$count
            ]);
        }
    }

    //禁用管理员
    public function disable(Request $request){
        $input=$request->all();
        $n=($input['status']=='1')?'3':'1';  //1为启用   3为禁用
        $row=DB::table('admins')->where("id",$input['id'])->update(['status'=>$n]);
        if($row){
            return response()->json([
                'error_code'=>200,
                'msg'=>'已修改'
            ]);
        }else{
            return response()->json([
                'error_code'=>0,
                'msg'=>'修改失败'
            ]);
        }
    }

    //获取角色信息
    public function getRoles(){
        $roles = DB::table('roles')
            ->where('is_del','0')
            ->select("id","name")->get();
        if($roles){
            return response()->json([
                'error_code'=>200,
                'msg'=>'获取成功',
                'data'=> $roles
            ]);
        }else{
            return response()->json([
                'error_code'=>0,
                'msg'=>'获取失败'
            ]);
        }
    }
    //管理员编辑页面
    public function  edit(Request $request){
        $input=$request->all();
        $admins =DB::table('admins')->where("id",$input['id'])->first();
        if($admins){
            return response()->json([
                'error_code'=>200,
                'msg'=>'获取成功',
                'data'=> $admins
            ]);
        }else{
            return response()->json([
                'error_code'=>0,
                'msg'=>'获取失败'
            ]);
        }
    }
    //管理员信息修改
    public function update(Request $request){
        $rules=[
            'name'=>'required|max:16',
            'roleid'=>'required'
        ];
        $messages=[
            'name.required'=>'管理员名称不能为空.',
            'name.max'=>'管理员名称不能超过16个字符.',
            'roleid.required'=>'请选择角色'
        ];
        $validator = Validator::make($request->all(), $rules, $messages);
        if($validator->fails()){
            return response()->json([
                'error_code'=>'41113',
                'msg'=>$validator->errors()->first()
            ]);
        }
        $adminId=$request->post('id');
        $aId=DB::table('admins')->where('name',$request->post('name'))->value('id');
        if($request->post('password')){
            $len=strlen($request->post('password'));
            if($len<6 || $len>12){
                return response()->json([
                    'error_code'=>'41113',
                    'msg'=>'密码长度为6 至 12个字符'
                ]);
            }
            $admin['password'] = md5($request->post('password'));
        }
        $admin['name'] = $request->post('name');
        $admin['roleid'] = $request->post('roleid');
        $admin['updated_at']=date("Y-m-d H:i:s");

        if($request->post('is_captain')=='0'){
            return response()->json([
                'error_code'=>'41113',
                'msg'=>'请选择是否为支部长'
            ]);
        }elseif($request->post('is_captain')=='1'){
            $admin['is_team'] =1;
            $admin['team_id'] =0;
        }elseif($request->post('is_captain')=='2'){
            $admin['is_team'] = $request->post('is_captain');
            if(!$request->has('captain') || !$request->post('captain')){
                return response()->json([
                    'error_code'=>'41113',
                    'msg'=>'请选择支部'
                ]);
            }
            $admin['team_id'] = $request->post('captain');
        }
        if($aId){
            if($adminId==$aId){
                $row=DB::table('admins')->where("id",$adminId)->update($admin);
                if($row){
                    return response()->json([
                        'error_code'=>200,
                        'msg'=>'修改成功'
                    ]);
                }else{
                    return response()->json([
                        'error_code'=>0,
                        'msg'=>'修改失败'
                    ]);
                }
            }else{
                return response()->json([
                    'error_code'=>40001,
                    'msg'=>'用户名已存在'
                ]);
            }
        }else{
            $row=DB::table('admins')->where("id",$adminId)->update($admin);
            if($row){
                return response()->json([
                    'error_code'=>200,
                    'msg'=>'修改成功'
                ]);
            }else{
                return response()->json([
                    'error_code'=>0,
                    'msg'=>'修改失败'
                ]);
            }
        }
    }

    //添加管理员
    public function upload(Request $request){
        $input = $request->all();
        $rules=[
            'password'=>'required|min:6|max:12',
            'name'=>'required|max:16',
            'roleid'=>'required'
        ];
        $messages=[
            'name.required'=>'管理员名称不能为空.',
            'name.max'=>'管理员名称不能超过16个字符.',
            'password.required'=>'密码不能为空.',
            'password.min'=>'密码长度为6 到 12个字符.',
            'password.max'=>'密码长度为6 到 12个字符.',
            'roleid.required'=>'请选择角色'
        ];
        $validator = Validator::make($input, $rules, $messages);
        if($validator->fails()){
            return response()->json([
                'error_code'=>'41113',
                'msg'=>$validator->errors()->first()
            ]);
        }
        $adminInfo=DB::table('admins')->where('name',$input['name'])->first();
        if($adminInfo){
            return response()->json([
                'error_code'=>'41115',
                'msg'=>'账户名已存在'
            ]);
        }
        if($input['is_captain']=='0'){
            return response()->json([
                'error_code'=>'41113',
                'msg'=>'请选择是否为支部长'
            ]);
        }elseif($input['is_captain']=='1'){
            $data['is_team']=$input['is_captain'];
        }elseif($input['is_captain']=='2'){
            $data['is_team']=$input['is_captain'];
            if(!$request->has('captain')){
                return response()->json([
                    'error_code'=>'41113',
                    'msg'=>'请选择支部'
                ]);
            }
            $data['team_id']=$input['captain'];
        }
        $data['password']=md5($input['password']);
        $data['name']=$input['name'];
        $data['roleid']=$input['roleid'];
        $data['status']=1;
        $data['created_at']=date("Y-m-d H:i:s");
        $data['updated_at']=date("Y-m-d H:i:s");
        $row= DB::table('admins')->insert($data);
        if($row){
            return response()->json([
                'error_code'=>200,
                'msg'=>'添加成功'
            ]);
        }else{
            return response()->json([
                'error_code'=>0,
                'msg'=>'添加失败'
            ]);
        }
    }

    //删除管理员
    public function destroy(Request $request){
        $input=$request->all();
        $adminId=$input['id'];
        $adminName =DB::table('admins')
            ->join('roles','admins.roleid','=','roles.id')
            ->where("admins.id",$adminId)->value('roles.name');
        if($adminName=="超级管理员"){
            return response()->json([
                'error_code'=>111,
                'msg'=>'不能删除超级管理员'
            ]);
        }
        $row=DB::table('admins')->where("id",$adminId)->delete();
        if($row){
            return response()->json([
                'error_code'=>200,
                'msg'=>'删除成功'
            ]);
        }else{
            return response()->json([
                'error_code'=>0,
                'msg'=>'删除失败'
            ]);
        }
    }

    /* 管理员修改密码 */
    public function editPassword(Request $request){
        $adminId=Auth::guard('admin')->user()->id;
        $input=$request->all();
        $oldPass=DB::table('admins')->where('id',$adminId)->value('password');
        if($oldPass==md5($input['password'])){
            return response()->json([
                'error_code'=>40014,
                'msg'=>'新密码与旧密码相同'
            ]);
        }
        $row=DB::table('admins')->where('id',$adminId)->update(['password'=>md5($input['password'])]);
        if($row){
            return response()->json([
                'error_code'=>200,
                'msg'=>'修改成功'
            ]);
        }else{
            return response()->json([
                'error_code'=>0,
                'msg'=>'修改失败',
            ]);
        }
    }

    //管理员登录
    public function login(Request $request){
        $rules=[
            'password'=>'required|min:6|max:12',
            'name'=>'required|max:16',
        ];
        $messages=[
            'name.required'=>'管理员名称不能为空.',
            'name.max'=>'管理员名称不能超过16个字符.',
            'password.required'=>'密码不能为空.',
            'password.min'=>'密码长度为6 到 12个字符.',
            'password.max'=>'密码长度为6 到 12个字符.',
        ];
        $validator = Validator::make($request->all(), $rules, $messages);
        if($validator->fails()){
            return response()->json([
                'error_code'=>'41113',
                'msg'=>$validator->errors()->first()
            ]);
        }
        $where['password']=md5($request->post('password'));
        $where['name']=$request->post('name');
        $admin = Admin::where($where)->first();
        if(isset($admin)){
            if($admin->status==1){
                if($token=Auth::guard('admin')->fromUser($admin)){
                    return response()->json([
                        'error_code'=>200,
                        'msg'=>'登录成功',
                        'data'=> $token,
                    ]);
                }else{
                    return response()->json([
                        'error_code'=>0,
                        'msg'=>'登录失败'
                    ]);
                }
            }else{
                return response()->json([
                    'error_code'=>40015,
                    'msg'=>'管理员已禁用'
                ]);
            }
        }else{
            return response()->json([
                'error_code'=>0,
                'msg'=>'用户信息有误'
            ]);
        }
    }

    public function getAdminInfo(){
        $adminId=Auth::guard('admin')->user()->id;
        $adminInfo=DB::table('admins')
            ->join('roles','admins.roleid','=','roles.id')
            ->where('admins.id','=',$adminId)
            ->select('admins.name','roles.permissions','admins.is_team','admins.team_id')
            ->first();
        if( $adminInfo){
            return response()->json([
                'error_code'=>200,
                'msg'=>'成功',
                'data'=>$adminInfo
            ]);
        }else{
            return response()->json([
                'error_code'=>0,
                'msg'=>'失败'
            ]);
        }
    }

    public function me()
    {
        return response()->json($this->guard()->user());
    }

    public function logout()
    {
        $this->guard()->logout();
        return response()->json([
            'error_code' => 200,
            'msg' => '退出成功'
        ]);
    }

    public function refresh()
    {
        return $this->respondWithToken($this->guard()->refresh());
    }

    protected function respondWithToken($token)
    {
        return response()->json([
            'access_token' => $token,
            'token_type' => 'bearer',
            'expires_in' => $this->guard()->factory()->getTTL() * 60
        ]);
    }

    public function guard()
    {
        return Auth::guard();
    }

}