<?php


namespace App\Http\ApiControllers;


use App\User;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;

class LoginController
{

    /**
     * @api {post} /login 登录接口
     * @apiName login
     * @apiGroup User
     *
     * @apiParam {string} username 用户名
     * @apiParam {string} password 用户密码,需要base64加密
     *
     * @apiSuccess {string} message 响应描述
     * @apiSuccess {int} status_code HTTP响应码
     * @apiSuccess {string} data.token 认证token
     * @apiSuccess {String} data.menu 菜单JSON
     *
     * @apiSuccessExample {json} Success-Response:
     *     HTTP/1.1 200 OK
     *     {
     *       "message": "请求成功",
     *       "status_code": "200"
     *       "data":{
     *             "toke":"token",
     *             "menu":"{}",
     *        }
     *     }
     */
    public function login(Request $request):JsonResponse
    {
        $userName = $request->get('username','');
        $password = $request->get('password','');
        $users = User::query()->where("name",$userName)->orWhereHas("userDetail",function ($query)use($userName){
            $query->where("mobile_phone",$userName);
        })->get();
        $response = [
            'message' => '请求成功',
            'status_code' => 200,
        ];
        $user = null;
        foreach ($users as $item){
            if (Hash::check(base64_decode($password),$item->password)){
                $user = $item;
                break;
            }
        }
        //验证用户登录
        if (!$user){
            $response["message"] = "用户名或密码错误";
            $response["status_code"] = 410;
            return response()->json($response);
        }

        //获取公私钥
        try {
            $privateKey = file_get_contents(base_path().'/private.pem');
        }catch (\Exception $e){
            $response["status_code"] = 410;
            if (strpos($e->getMessage(),"No such file or directory")!==false)$response["message"] = "服务器异常,资源丢失";
            else $response["message"] = "访问某些资源失败";
            return response()->json($response);
        }

        try {
            $token = app("UserService")->getJWTToken($user,$privateKey);

            //单点登录标记
            app("UserService")->setSingleTag($user->id,$token);
            $response["data"] = ["token"=>$token,
                "menu"=>$this->getMenu($user),"info"=>["id"=>$user->id,"name"=>$user->name]];
            app("UserService")->setOrRefreshCache($user);
            return response()->json($response);
        }catch (\Exception $e){
            $response["status_code"] = 409;
            $response["message"] = "资源异常，无法反馈";
            return response()->json($response);
        }
    }

    public function getUserInfo(Request $request)
    {
        $userName = $request->get('username','');
        $password = $request->get('password','');
        $users = User::query()->where("name",$userName)->orWhereHas("userDetail",function ($query)use($userName){
            $query->where("mobile_phone",$userName);
        })->get();
        $user = null;
        foreach ($users as $item){
            if (Hash::check($password,$item->password)){
                $user = $item;
                break;
            }
        }
        if (!$user){
            return response("用户不存在或密码错误", 401);
        }
        $user->load("userDetail");
        return response()->json([
            "username" => $user->name,
            "name" => $user->userDetail->full_name ?? "",
            "sex" => $user->userDetail->gender ?? "",
            "id_card" => $user->userDetail->identity_number ?? "",
            "phone" => $user->userDetail->mobile_phone ?? "",
        ]);
    }

    public function resetNameOrPwd(Request $request)
    {
        $userId = $request->get('id');
        $userName = $request->get('username');
        $password = $request->get('password');
        $user = null;
        if (!$userId || (!$userName && !$password) || !$user = User::query()->find($userId)){
            return response("参数错误或用户不存在", 401);
        }
        $update = [];
        if ($userName) {
            $update["name"] = $userName;
        }
        if ($password) {
            $update["password"] = Hash::make($password);
        }
        if ($user->update($update)) {
            return response("OK");
        }
        return response("用户信息修改失败", 410);
    }

    private function getMenu($user)
    {
        Auth::setUser($user);
        $authorities = app("AuthorityService")->getUserAndroidAuthority();
        $result = [];
        foreach (app("AuthorityService")->format($authorities) as $authority){
            foreach ($authority["child"] as $authorityOne){
                $item = [];
                foreach ($authorityOne["child"] as $authorityTwo){
                    $item[] = $authorityTwo["name"];
                }
                $result[$authorityOne["name"]] = $item;
            }
        }
        return json_encode($result,JSON_UNESCAPED_UNICODE);
    }
}