package controllers

import (
	"encoding/json"
	"eta/eta_mini_crm/models"
	"eta/eta_mini_crm/utils"
	"fmt"
	"time"

	"github.com/beego/beego/v2/client/orm"
)

type UserLoginController struct {
	BaseCommonController
}

// Login
// @Title 用户登录
// @Description 用户登录
// @Param	request	body UserLoginReq true "type json string"
// @Success 200 {object} models.LoginResp
// @router /login [post]
func (this *UserLoginController) Login() {
	br := new(models.BaseResponse).Init()
	defer func() {
		if br.ErrMsg == "" {
			br.IsSendEmail = false
		}
		this.Data["json"] = br
		this.ServeJSON()
	}()

	type UserLoginReq struct {
		UserName string `description:"账号"`
		Password string `description:"密码"`
		ReqTime  string `description:"登录时间戳"`
	}

	var req UserLoginReq
	err := json.Unmarshal(this.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.UserName == "" {
		br.Msg = "请输入账号"
		return
	}
	if req.Password == "" {
		br.Msg = "请输入密码"
		return
	}
	sysUser, err := models.GetSysUserBySysUserName(req.UserName)
	if err != nil {
		if err == orm.ErrNoRows {
			br.Msg = "登录失败, 账号或密码错误"
			return
		} else {
			br.Msg = "系统错误"
			br.ErrMsg = "系统错误" + err.Error()
			return
		}
	}
	dbPass := utils.MD5(fmt.Sprintf("%s%s%s", sysUser.Password, utils.UserLoginSalt, req.ReqTime))
	if req.Password != dbPass {
		br.Msg = "登录失败, 账号或密码错误"
		return
	}
	account := utils.MD5(sysUser.SysUserName)
	token := utils.GenToken(account)
	sysSession := new(models.SysSession)
	sysSession.UserName = sysUser.SysUserName
	sysSession.SysUserId = sysUser.SysUserId
	sysSession.ExpiredTime = time.Now().AddDate(0, 0, 60)
	sysSession.CreatedTime = time.Now()
	sysSession.LastUpdatedTime = time.Now()
	sysSession.AccessToken = token
	err = sysSession.AddSysSession()
	if err != nil {
		br.Msg = "登录失败"
		br.ErrMsg = "新增session信息失败, Err:" + err.Error()
		return
	}
	sysRole, err := models.GetSysRoleById(sysUser.SysRoleId)
	if err != nil {
		br.Msg = "登录失败"
		br.ErrMsg = "查询角色失败, Err:" + err.Error()
		return
	}
	type LoginResp struct {
		Authorization string
		SysUserName   string `description:"系统用户名"`
		SysRealName   string `description:"系统用户姓名"`
		SysUserId     int    `description:"系统用户id"`
		RoleName      string `description:"所属角色名称"`
		RoleId        int    `description:"所属角色id"`
	}
	resp := new(LoginResp)
	resp.Authorization = "authorization=" + token
	resp.SysUserName = sysUser.SysUserName
	resp.SysRealName = sysUser.SysRealName
	resp.SysUserId = sysUser.SysUserId
	resp.RoleName = sysRole.SysRoleName
	resp.RoleId = sysUser.SysRoleId

	br.Data = resp
	br.Ret = 200
	br.Success = true
	br.Msg = "登录成功"
}