package api

import (
	"AIT/common"
	"AIT/constant"
	"AIT/exception/errmsg"
	"AIT/models"
	"AIT/response"
	"AIT/service"
	"fmt"
	"github.com/gin-gonic/gin"
)

type UserService struct {
	service.UserService
}

func GetUser() *UserService {
	return &UserService{}
}

// UseRegister
// PingExample kjb-doc
// @Summary 用户注册
// @Schemes
// @Description 用户注册
// @Tags 用户管理
// @Param user body string true "userName：用户名；password：密码；role：角色"
// @Accept json
// @Produce json
// @Success 200 {string} string "ok"
// @Router /v1/user/register [post]
func (u *UserService) UseRegister(c *gin.Context) {
	var param models.UserRegister
	err := c.ShouldBindJSON(&param)
	if err != nil {
		fmt.Printf("参数格式化异常：%s", err.Error())
		response.Failed(errmsg.ParamInvalid, c)
		return
	}
	if user, count := u.FindUserByUsername(param.UserName); user.Id != "" || count > 0 {
		response.Failed(errmsg.UserAlreadyExists, c)
		return
	}
	if result := u.CreateUser(param); result.Error == nil {
		response.Success(errmsg.UserRegisterSuccess, result.RowsAffected, c)
		return
	} else {
		response.Failed(errmsg.UserRegisterFailed+"数据库错："+result.Error.Error(), c)
		return
	}

}

// UserLogin
// PingExample kjb-doc
// @Summary 用户登录
// @Schemes
// @Description 用户登录
// @Tags 用户管理
// @Param user body string true "username：编号；password：密码；role：角色；"
// @Accept json
// @Produce json
// @Success 200 {string} string "ok"
// @Router /v1/user/login [post]
func (u *UserService) UserLogin(c *gin.Context) {
	var param models.UserLogin
	err := c.ShouldBindJSON(&param)

	if err != nil {
		fmt.Printf("参数格式化异常：%s", err.Error())
		response.Failed(errmsg.ParamInvalid, c)
		return
	}
	if user := u.Login(param); user != nil {
		//生成token
		toke, _ := common.GenerateToke(*user)
		//resultMap := make(map[string]string)
		//resultMap["token"] = toke
		resultMap := map[string]string{
			"token": toke,
		}
		response.Success(errmsg.UserLoginSuccess, resultMap, c)
	}
}

// ResetPassword
// PingExample kjb-doc
// @Summary 管理员重置普通用户密码
// @Schemes
// @Description 管理员重置普通用户密码
// @Tags 用户管理
// @Param user body string true "username：管理员编号；usernameInit：被重置用户编号"
// @Accept json
// @Produce json
// @Success 200 {string} string "ok"
// @Router /v1/user/reset [post]
func (u *UserService) ResetPassword(c *gin.Context) {
	var param models.ResetPassword
	err := c.ShouldBindJSON(&param)
	if err != nil {
		fmt.Printf("参数格式化异常：%s", err.Error())
		response.Failed(errmsg.ParamInvalid, c)
		return
	}
	if admin := u.FindUserByUsernameAndRole(param.Username, constant.RoleAdmin); admin == nil {
		fmt.Printf("管理员"+errmsg.UserNotExists+"%s", param.Username)
		response.Failed("管理员"+errmsg.UserNotExists+param.Username, c)
		return
	}
	if normalUser := u.FindUserByUsernameAndRole(param.UsernameInit, constant.RoleNormal); normalUser == nil {
		fmt.Printf(errmsg.UserNotExists+"%s", param.UsernameInit)
		response.Failed(errmsg.UserNotExists+param.UsernameInit, c)
		return
	}
	result := u.RestPassword(param.UsernameInit)
	if result == nil {
		response.Failed(errmsg.UserPasswordResetError, c)
		return
	}
	if result.Error != nil {
		response.Failed(errmsg.UserPasswordResetError+result.Error.Error(), c)
		return
	}
	if result.RowsAffected >= 0 {
		response.Success(errmsg.UserPasswordResetSuccess, result.RowsAffected, c)
		return
	}
}

// UserList
// PingExample kjb-doc
// @Summary 用户列表查询
// @Schemes
// @Description 用户列表查询
// @Tags 用户管理
// @Param user body string true "role：角色；userName：用户名;pageNum:页数；pageSize：每页记录数"
// @Accept json
// @Produce json
// @Success 200 {string} string "ok"
// @Router /v1/user/find [post]
func (u *UserService) UserList(c *gin.Context) {
	var param models.UserListParam
	err := c.ShouldBindJSON(&param)
	if err != nil {
		fmt.Printf(errmsg.ParamInvalid+"%s", err.Error())
		response.Failed(errmsg.ParamInvalid, c)
		return
	}
	userList, rows := u.GetUserList(param)
	response.SuccessPage(errmsg.FindSuccess, userList, rows, c)
}

// ModePass
// PingExample kjb-doc
// @Summary 用户修改密码
// @Schemes
// @Description 用户修改密码
// @Tags 用户管理
// @Param user body string true "userName:用户名 password：密码 newPassword：新密码"
// @Accept json
// @Produce json
// @Success 200 {string} string "ok"
// @Router /v1/user/change/password [post]
func (u *UserService) ModePass(c *gin.Context) {
	var param models.ChangePassword
	err := c.ShouldBindJSON(&param)
	if err != nil {
		response.Failed(errmsg.ParamInvalid, c)
		return
	}
	user, count := u.FindUserByUsername(param.UserName)
	if count <= 0 {
		response.Failed(errmsg.UserNotExists, c)
		return
	}
	if user.Password != param.Password {
		response.Failed(errmsg.UserOldPasswordError, c)
		return
	}
	count = u.ChangePassword(user.Id, param.NewPassword)
	if count <= 0 {
		response.Failed(errmsg.UserPasswordChangeError, c)
		return
	}
	response.Success(errmsg.UserPasswordChangeSuccess, count, c)
}