<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\service\api\apiService;

use app\model\class_grade\ClassGrade;
use app\model\course\Course;
use app\model\dict\Dict;
use app\model\member\Member;
use app\model\sys\SysConfig;
use app\model\sys\SysUser;
use core\base\BaseApiService;

/**
 * 公共服务层
 * Class MemberService
 * @package app\service\api\member
 */
class CommonService extends BaseApiService
{
    public function __construct()
    {
        parent::__construct();
    }

    //获取字典
    public function getDictionary(array $where,string $field = '*'){
        $model = (new Dict());
        if(!empty($where['key'])){
            $model = $model->where('key',$where['key']);
        }
        $res = $model->field($field)->find();//员工信息

        if($res){
            $res = $res->toArray()['dictionary'];
        }else{
            $res = [];
        }
        return $res;

    }

    /**
     * 忘记密码功能 - 根据用户类型重置密码
     * @param string $phone 用户手机号
     * @param string $new_password 用户新密码
     * @param string $user_type 用户类型|customer=学生|personnel=员工(销售/教师)
     */
    public function forgetPassword($phone, $new_password, $user_type){
        if($user_type == 'personnel'){
            $data = SysUser::where('username', $phone)->find();
            if (!$data){
                $res = [
                    'code' => 0,
                    'msg' => '用户不存在',
                    'data' => []
                ];
                return $res;
            }
            //重置员工(销售/教师)密码
            $update = SysUser::where('username', $phone)->update([
                'password' => create_password($new_password),//创建密码
                'update_time' => time(),
            ]);
            if (!$update) {
                $res = [
                    'code' => 0,
                    'msg' => '操作失败',
                    'data' => []
                ];
            } else {
                $res = [
                    'code' => 1,
                    'msg' => '操作成功',
                    'data' => []
                ];
            }
            return $res;
        }else{
            $data = Member::where('username', $phone)->find();
            if (!$data){
                $res = [
                    'code' => 0,
                    'msg' => '用户不存在',
                    'data' => []
                ];
                return $res;
            }
            //重置用户(学生)密码
            $update = Member::where('username', $phone)->update([
                'password' => create_password($new_password),//创建密码
                'update_time' => time(),
            ]);
            if (!$update) {
                $res = [
                    'code' => 0,
                    'msg' => '操作失败',
                    'data' => []
                ];
            } else {
                $res = [
                    'code' => 1,
                    'msg' => '操作成功',
                    'data' => []
                ];
            }
            return $res;
        }


    }

    /**
     * 对比新旧数据改变
     * @param array $old_data 旧数据
     * @param array $new_data 新数据
     * @param array $ignoreFields 忽略验证的字段|默认[]
     * @return array
     */
    public function compareData(array $old_data, array $new_data, array $ignoreFields = ['updated_at'])
    {
        $changedFields = [];//改了那些字段
        $oldChanges = [];//数据修改前的样子
        $newChanges = [];//数据修改后的样子

        foreach ($new_data as $key => $value) {
            // 如果字段在忽略列表中，则跳过
            if (in_array($key, $ignoreFields)) {
                continue;
            }

            if (!isset($old_data[$key]) || $old_data[$key] != $value) {
                $changedFields[] = $key;
                $oldChanges[$key] = $old_data[$key] ?? null;
                $newChanges[$key] = $value;
            }
        }

        return [
            // 返回发生更改的字段名数组
            'changed_fields' => $changedFields,
            // 返回旧数据中的更改字段及其值
            'old_values' => $oldChanges,
            // 返回新数据中的更改字段及其值
            'new_values' => $newChanges,

            // 将 changed_fields 转换为 JSON 格式，保留中文字符
            'changed_fields_json' => json_encode($changedFields, JSON_UNESCAPED_UNICODE),
            // 将 old_changes 转换为 JSON 格式，保留中文字符
            'old_values_json' => json_encode($oldChanges, JSON_UNESCAPED_UNICODE),
            // 将 new_changes 转换为 JSON 格式，保留中文字符
            'new_values_json' => json_encode($newChanges, JSON_UNESCAPED_UNICODE)
        ];
    }

    /**
     * 判断是否在打卡范围内
     * @param float $campusLat 地理围栏中心纬度
     * @param float $campusLng 地理围栏中心经度
     * @param float $checkLat 打卡纬度
     * @param float $checkLng 打卡经度
     * @param float $radius 地理围栏半径(单位：米)
     * @return bool 返回是否在范围内的布尔值
     */
    public function isInCheckRange(float $campusLat, float $campusLng, float $checkLat, float $checkLng, float $radius = 3000.0): bool
    {
        // 使用 Haversine 公式计算两点之间的距离
        $earthRadius = 6371000; // 地球半径，单位为米

        $latFrom = deg2rad($campusLat);
        $lngFrom = deg2rad($campusLng);
        $latTo = deg2rad($checkLat);
        $lngTo = deg2rad($checkLng);

        $latDelta = $latTo - $latFrom;
        $lngDelta = $lngTo - $lngFrom;

        $angle = 2 * asin(sqrt(pow(sin($latDelta / 2), 2) +
                cos($latFrom) * cos($latTo) * pow(sin($lngDelta / 2), 2)));

        $distance = $angle * $earthRadius;

        // 判断计算出的距离是否小于等于设定的围栏半径
        return $distance <= $radius;//false=超出打卡范围
    }

    /**
     * 获取配置文件
     * @param array $where
     */
    public function getConfig(array $where){
        $model = (new SysConfig());
        if(!empty($where['config_key'])){
            $model = $model->where('config_key',$where['config_key']);
        }
        $data = $model->find();//员工信息

        if($data){
            $data = $data->toArray();
        }else{
            $data = [];
        }

        return $data;
    }

    //获取微信小程序openid
    public function getMiniWxOpenId(string $code)
    {
        // 微信小程序登录接口地址
        $url = 'https://api.weixin.qq.com/sns/jscode2session';

        // 从配置中获取appid和secret
        $config = (new SysConfig())->where('config_key', 'weapp')->find();//微信小程序配置信息
        if (!$config) {
            return [
                'code' => 0,
                'msg' => '未找到微信小程序配置信息',
                'data' => []
            ];
        }

        $configData = $config->toArray();


        $params = [
            'appid' => $configData['value']['app_id'] ?? '',
            'secret' => $configData['value']['app_secret'] ?? '',
            'js_code' => $code,
            'grant_type' => 'authorization_code'
        ];

        // 发起请求
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url . '?' . http_build_query($params));
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $response = curl_exec($ch);
        curl_close($ch);

        // 处理响应
        $result = json_decode($response, true);

        if (isset($result['errcode']) && $result['errcode'] != 0) {
            return [
                'code' => 0,
                'msg' => '获取 openid 失败: ' . $result['errmsg'],
                'data' => []
            ];
        }

        return [
            'code' => 1,
            'msg' => '操作成功',
            'data' => [
                'openid' => $result['openid'] ?? '',
                'session_key' => $result['session_key'] ?? ''
            ]
        ];
    }

    //获取全部课程列表
    public function getCourseAllList(array $where, string $field = '*')
    {
        $model = (new Course());
        $res = $model->field($field)
            ->select()
            ->toArray();//员工信息
        return $res;
    }

    //获取全部班级列表
    public function getClassAllList(array $where, string $field = '*')
    {
        $model = (new ClassGrade());
        if(!empty($where['status'])){
            $model = $model->where('status',$where['status']);
        }
        $res = $model->field($field)
            ->select()
            ->toArray();//员工信息
        return $res;
    }


}