package user

import (
	"encoding/hex"
	"fmt"
	"mtp2_if/db"
	"mtp2_if/global/app"
	"mtp2_if/global/e"
	"mtp2_if/global/utils"
	"mtp2_if/logger"
	"mtp2_if/models"
	"net/http"

	"github.com/gin-gonic/gin"
)

// GetLoginIDReq 获取登录ID请求参数
type GetLoginIDReq struct {
	UserName string `form:"username" binding:"required"`
}

// GetLoginID 获取登录ID
// @Summary 获取登录ID
// @Description UserName 可传入“登录账号”、“登录代码”和“手机号码”
// @Produce json
// @Param username query string true "登录代码"
// @Success 200 {object} app.Response
// @Failure 500 {object} app.Response
// @Router /User/GetLoginID [get]
// @Tags 用户信息
func GetLoginID(c *gin.Context) {
	appG := app.Gin{C: c}

	// 获取请求参数
	var req GetLoginIDReq
	if err := appG.C.ShouldBindQuery(&req); err != nil {
		logger.GetLogger().Errorf("QueryPreasleApply failed: %s", err.Error())
		appG.Response(http.StatusBadRequest, e.INVALID_PARAMS, nil)
		return
	}

	engine := db.GetEngine()
	loginid := req.UserName // 如果找不到，则直接把登录代码返回去

	// 通过登录代码查询登录账号
	var loginaccount models.Loginaccount
	has, _ := engine.Where("Logincode = ?", req.UserName).Get(&loginaccount)
	if has {
		loginid = fmt.Sprintf("%v", loginaccount.Loginid)
	} else {
		// 通过手机号码查询登录账号
		// 手机号码需要AES加密
		key, _ := hex.DecodeString(utils.AESSecretKey)
		if mobileEncrypted, err := utils.AESEncrypt([]byte(req.UserName), key); err == nil {
			// 加密成功后进行查询
			has, _ := engine.Join("INNER", "USERINFO", "USERINFO.USERID = LOGINACCOUNT.USERID").
				Where("USERINFO.MOBILE = ?", hex.EncodeToString(mobileEncrypted)).Get(&loginaccount)
			if has {
				loginid = fmt.Sprintf("%v", loginaccount.Loginid)
			}
		}
	}

	// 查询成功
	logger.GetLogger().Infof("GetLoginID successed: %v", loginaccount)
	appG.Response(http.StatusOK, e.SUCCESS, loginid)
}