<?php

namespace app\common\service;

use app\api\controller\WechatSubscriptController;
use app\common\model\Student;
use app\common\model\StudentParent;
use app\constant\ResponseCode;
use think\Exception;
use Tinywan\Jwt\JwtToken;

class StudentService
{


    /**
     * @desc 登录
     * @param $request
     * @return array
     */
    public function login($request)
    {
        try {
            if (empty($request['password'])) {
                throw new Exception('请填写密码');
            }
            $student = Student::where(['account' => $request['account']])->findOrEmpty();

            if (!$student->isEmpty()) {
                if (md5($request['password'] . $student->salt) != $student->password) {
                    throw new Exception('密码错误，请填写正确的密码');
                }

                $token_data = [
                    'id' => $student->id,
                    'role' => 'student'
                ];
                $token = JwtToken::generateToken($token_data);
                return [
                    'code' => ResponseCode::SUCCESS,
                    'data' => $token,
                    'msg' => 'success'
                ];
            } else {
                $parent = StudentParent::where(['account' => $request['account']])->findOrEmpty();
                if (!$parent->isEmpty()) {
                    if (md5($request['password'] . $parent->salt) != $parent->password) {
                        throw new Exception('密码错误，请填写正确的密码');
                    }

                    $token_data = [
                        'id' => $parent->id,
                        'role' => 'parent'
                    ];
                    $token = JwtToken::generateToken($token_data);
                    return [
                        'code' => ResponseCode::SUCCESS,
                        'data' => $token,
                        'msg' => 'success'
                    ];
                }

            }
            throw new Exception('请检查账号信息，未匹配到任何学生或家长');

        } catch (Exception $e) {
            return [
                'code' => ResponseCode::FAIL,
                'msg' => $e->getMessage()
            ];
        }
    }

    /**
     * @desc 充值密码
     * @param $request
     * @return array
     */
    public function resetPassword($request)
    {
        try {
            if (empty((array)$request->student) && empty((array)$request->parent)) {
                throw new Exception('请登陆后再操作');
            }

            $requestData = $request->post();

            if (!empty((array)$request->student)) {
                $student = Student::where(['id' => $request->student->id])->with(['parentArr'])->field('id,student_name,account,openid,avatar,nickname,parent_id')->findOrEmpty();
                if ($student->isEmpty()) {
                    throw new Exception('未找到学生信息');
                }
                if(empty($requestData['pwd']) || strlen(trim($requestData['pwd'])) < 6){
                    throw new Exception('请输入密码或者长度大于6位');
                }

                $salt = random_str(16);
                $password = md5(trim($requestData['pwd'] . $salt));
                $student->save([
                    'password' => $password,
                    'salt' => $salt
                ]);

            } elseif (!empty((array)$request->parent)) {
                $parent = StudentParent::where(['id' => $request->parent->id])->with(['studentArr'])->field('id,parent_name,account,openid,avatar,nickname')->findOrEmpty();
                if ($parent->isEmpty()) {
                    throw new Exception('未找到家长信息');
                }
                if(empty($requestData['pwd']) || strlen(trim($requestData['pwd'])) < 6){
                    throw new Exception('请输入密码或者长度大于6位');
                }

                $salt = random_str(16);
                $password = md5(trim($requestData['pwd'] . $salt));
                $parent->save([
                    'password' => $password,
                    'salt' => $salt
                ]);
            }

            return [
                'code' => ResponseCode::SUCCESS,
                'msg' => '更改成功'
            ];

        } catch (Exception $e) {
            return [
                'code' => ResponseCode::FAIL,
                'msg' => $e->getMessage()
            ];
        }
    }

    /**
     * @desc 登录
     * @param $request
     * @return array
     */
    public function userInfo($request)
    {
        try {
            if (empty((array)$request->student) && empty((array)$request->parent)) {
                throw new Exception('请登陆后再查看');
            }
            if (!empty((array)$request->student)) {
                $student = Student::where(['id' => $request->student->id])->with(['parentArr'])->field('id,student_name,account,openid,avatar,nickname,parent_id')->findOrEmpty();
                if ($student->isEmpty()) {
                    throw new Exception('未找到学生信息');
                }
                $info = $student->toArray();
                $info['role'] = 'student';
            } elseif (!empty((array)$request->parent)) {
                $parent = StudentParent::where(['id' => $request->parent->id])->with(['studentArr'])->field('id,parent_name,account,openid,avatar,nickname')->findOrEmpty();
                if ($parent->isEmpty()) {
                    throw new Exception('未找到家长信息');
                }
                $info = $parent->toArray();
                $info['role'] = 'parent';
            }

            return [
                'code' => ResponseCode::SUCCESS,
                'data' => $info,
                'msg' => 'success'
            ];

        } catch (Exception $e) {
            return [
                'code' => ResponseCode::FAIL,
                'msg' => $e->getMessage()
            ];
        }
    }


    /**
     * @desc 更新code
     * @param $request
     * @return array|void
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public function updateOpenid($request)
    {
        try {
            if (empty((array)$request->student) && empty((array)$request->parent)) {
                throw new Exception('请先登陆');
            }

            $code = $request->post('code');

            $access_token = WechatSubscriptController::getCodeAccessToken($code);

            if (isset($access_token['code'])) {
                throw new Exception('获取信息失败');
            }

            $user_info = WechatSubscriptController::getUserInfo($access_token['openid'], $access_token['access_token']);

            if (!empty((array)$request->student)) {
                $student = Student::where(['id' => $request->student->id])->findOrEmpty();
                if ($student->isEmpty()) {
                    throw new Exception('未找到学生信息');
                }

                if ($student->openid && $student->openid != $user_info['openid']) {
                    throw new Exception('当前账号已绑定其它学生，不能重复绑定');
                } else {
                    $student->save([
                        'openid' => $user_info['openid'],
                        'nickname' => $user_info['nickname'],
                        'avatar' => $user_info['headimgurl'],
                    ]);
                }

            } else {
                $parent = StudentParent::where(['id' => $request->parent->id])->findOrEmpty();
                if ($parent->isEmpty()) {
                    throw new Exception('未找到家长信息');
                }
                if ($parent->openid && $parent->openid != $user_info['openid']) {
                    throw new Exception('当前账号已绑定其它家长，不能重复绑定');
                } else {
                    $parent->save([
                        'openid' => $user_info['openid'],
                        'nickname' => $user_info['nickname'],
                        'avatar' => $user_info['headimgurl'],
                    ]);
                }
            }
            return [
                'code' => ResponseCode::SUCCESS,
                'msg' => 'success'
            ];
        } catch (Exception $e) {
            return [
                'code' => ResponseCode::FAIL,
                'msg' => $e->getMessage()
            ];
        }
    }

}