package service

import (
	"crypto/md5"
	"encoding/hex"
	"errors"
	"hospital-admin-api/api/dao"
	"hospital-admin-api/api/requests"
	"hospital-admin-api/api/responses"
	"hospital-admin-api/utils"
)

type Basic struct{}

// Login 登陆
func (b *Basic) Login(login requests.Login) (responses.Login, error) {
	// 获取用户信息
	AdminUserDao := dao.AdminUser{}
	adminUser, err := AdminUserDao.GetAdminUserFirstByAccess(login.Access)
	if err != nil || adminUser.UserID == 0 {
		return responses.Login{}, errors.New("用户名或密码错误")
	}

	// 检测用户密码
	password := md5.Sum([]byte(login.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 responses.Login{}, errors.New("用户名或密码错误")
	}

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

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

	token := &utils.Token{
		UserId: adminUser.UserID,
		RoleId: adminUser.RoleID,
		DeptId: adminUser.DeptID,
		PostId: adminUser.PostID,
	}

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

	// 生成jwt
	result := responses.Login{
		UserId:   adminUser.UserID,
		NickName: adminUser.NickName,
		Avatar:   adminUser.Avatar,
		Token:    jwt,
	}
	result.GetFullAvatar()

	return result, nil
}