package service

import (
	"crypto/md5"
	"encoding/hex"
	"errors"
	"hospital-admin-api/api/dao"
	"hospital-admin-api/api/dto"
	"hospital-admin-api/api/requests"
	"hospital-admin-api/extend/aliyun"
	"hospital-admin-api/utils"
	"strconv"
)

type AdminService struct {
}

// Login 登陆
func (b *AdminService) Login(LoginRequest requests.Login) (*dto.Login, error) {
	// 获取用户信息
	AdminUserDao := dao.AdminUserDao{}
	adminUser, err := AdminUserDao.GetAdminUserFirstByAccess(LoginRequest.Access)
	if err != nil || adminUser == nil {
		return nil, errors.New("用户名或密码错误")
	}

	// 检测用户密码
	password := md5.Sum([]byte(LoginRequest.Password + adminUser.Salt))
	// 将哈希值转换为16进制字符串
	passwordString := hex.EncodeToString(password[:])

	if passwordString != adminUser.Password {
		return nil, errors.New("用户名或密码错误")
	}

	// 检测用户状态
	if adminUser.IsDeleted == 1 {
		return nil, errors.New("非法用户")
	}

	if adminUser.IsDisabled == 1 {
		return nil, errors.New("您的账号已被禁用，请联系管理员处理")
	}

	token := &utils.Token{
		UserId: strconv.FormatInt(adminUser.UserID, 10),
		RoleId: strconv.FormatInt(adminUser.RoleID, 10),
		DeptId: strconv.FormatInt(adminUser.DeptID, 10),
		PostId: strconv.FormatInt(adminUser.PostID, 10),
	}

	// 生成jwt
	jwt, err := token.NewJWT()
	if err != nil {
		return nil, errors.New("登陆失败")
	}

	result := &dto.Login{
		UserId:   strconv.FormatInt(adminUser.UserID, 10),
		NickName: adminUser.NickName,
		Avatar:   adminUser.Avatar,
		Token:    jwt,
	}

	result.GetLoginFullAvatar()

	return result, nil
}

// GetOssSign 获取oss签名
func (a *AdminService) GetOssSign(getOssSignRequest requests.GetOssSign) (*aliyun.GetOssSignResponse, error) {
	var dir string
	if getOssSignRequest.UserType == 1 {
		dir = "applet/patient/"
	} else if getOssSignRequest.UserType == 2 {
		dir = "applet/doctor/"
	} else if getOssSignRequest.UserType == 3 {
		dir = "applet/pharmacist/"
	} else if getOssSignRequest.UserType == 4 {
		dir = "applet/admin/"
	}

	if dir != "" {
		if getOssSignRequest.Scene == 1 {
			dir = dir + "avatar/"
		} else if getOssSignRequest.Scene == 2 {
			dir = dir + "cert/"
		} else if getOssSignRequest.Scene == 3 {
			dir = dir + "card/"
		}
	}

	if dir == "" {
		return nil, errors.New("获取签名失败")
	}

	// 生成签名
	ossSign, _ := aliyun.GetOssSign(dir)
	return ossSign, nil
}