package controller

import (
	"errors"
	"github.com/gin-gonic/gin"
	"strconv"
	"trading-go/model"
	"trading-go/response"
	"trading-go/util"
)

// Register
// @Tags 用户模块
// @Summary 创建用户
// @param vid formData string false "微信ID"
// @param name formData string false "用户名"
// @param avatar formData string false "头像"
// @Success 200 {string} json{"code","data","message"}
// @Router /user/register [post]
func Register(c *gin.Context) {
	var user model.User
	user.Vid = c.PostForm("vid")
	user.Name = c.PostForm("name")
	user.Avatar = c.PostForm("avatar")
	user.Uid = util.GenID()
	err := user.Register()
	if err != nil {
		msg := err.Error()
		response.Fail(c.Writer, msg, 500)
	} else {
		msg := "register succeed"
		response.Success(c.Writer, msg, nil)
	}
}

// Login
// @Tags 用户模块
// @Summary 登录
// @param vid formData string false "微信ID"
// @Success 200 {string} json{"code","data","token"}
// @Router /user/login [post]
func Login(c *gin.Context) {
	var user model.User
	user.Vid = c.PostForm("vid")
	err, nu := user.Login()
	if err != nil && err.Error() == "sql: no rows in result set" {
		err = util.NoSuchUserError
		msg := err.Error()
		response.Fail(c.Writer, msg, 403)
		return
	}
	if err != nil {
		msg := err.Error()
		response.Fail(c.Writer, msg, 500)
		return
	}
	token, err := util.CreatToken(nu.Uid)
	if err != nil {
		msg := err.Error()
		response.Fail(c.Writer, msg, 500)
		return
	}
	data := gin.H{
		"token":     token,
		"user_info": nu,
	}
	response.Success(c.Writer, "success", data)
}

// Modify
// @Tags 用户模块
// @Summary 修改用户信息
// @param uid formData string false "用户ID"
// @param avatar formData string false "头像"
// @param name formData string false "用户名"
// @param phone formData string false "电话"
// @Success 200 {string} json{"code","data","token"}
// @Router /user/modify [post]
func Modify(c *gin.Context) {
	var user model.User
	id := c.PostForm("uid")
	uid, err := strconv.Atoi(id)
	user.Uid = int64(uid)
	user.Phone = c.PostForm("phone")
	user.Avatar = c.PostForm("avatar")
	user.Name = c.PostForm("name")
	//fmt.Printf("%#v", user)
	if err := user.SPhone(); err != nil {
		if errors.Is(err, util.PhoneBeUsed) {
			response.Fail(c.Writer, err.Error(), 403)
		} else {
			response.Fail(c.Writer, err.Error(), 500)
		}
		return
	}
	err = user.Modify()
	if err != nil {
		msg := err.Error()
		response.Fail(c.Writer, msg, 500)
	} else {
		msg := "modify succeed"
		response.Success(c.Writer, msg, nil)
	}
}

// UserInfo
// @Tags 用户模块
// @Summary 获取用户信息
// @Success 200 {string} json{"code","data"}
// @Router /user/info [get]
func UserInfo(c *gin.Context) {
	var u model.User
	token := c.GetHeader("Authorization")
	t, claim, err := util.ParseToken(token)
	if err != nil {
		response.Fail(c.Writer, "failed to parse token", 500)
		return
	}
	if !t.Valid {
		response.Fail(c.Writer, "failed", 400)
		return
	}
	u.Uid = claim.UserId
	nu, err := u.Info()
	if err != nil {
		response.Fail(c.Writer, "failed", 500)
	}
	response.Success(c.Writer, "success", nu)
}