package controller

import (
	"errors"
	"net/http"
	"time"
	"woord-core-service/model"

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

type RegisterRequest struct {
	UserName string `form:"name" binding:"required"`
	Password string `form:"password" binding:"required"`
}

// 注册
func Register(c *gin.Context) {
	var request RegisterRequest
	if err := c.ShouldBind(&request); err != nil {
		respondError(c, http.StatusBadRequest, err)
		return
	}

	user, err := model.CreateUser(request.UserName, request.Password)
	if err != nil {
		if errors.Is(err, model.ErrUserNameAlreadyExists) {
			respondError(c, http.StatusConflict, err)
		} else {
			respondUnknownError(c, err)
		}
		return
	}

	respondOK(c, user)
}

type LoginRequest struct {
	UserName string `form:"name" binding:"required"`
	Password string `form:"password" binding:"required"`
}

// 登录
func Login(c *gin.Context) {
	var request LoginRequest
	if err := c.ShouldBind(&request); err != nil {
		respondError(c, http.StatusBadRequest, err)
		return
	}

	user, err := model.AuthenticateUser(request.UserName, request.Password)
	if err != nil {
		if errors.Is(err, model.ErrWrongUserNameOrPassword) {
			respondError(c, http.StatusUnauthorized, err)
		} else {
			respondUnknownError(c, err)
		}
		return
	}

	token, err := newToken(user.ID)
	if err != nil {
		respondUnknownError(c, err)
		return
	}

	c.SetCookie(AuthTokenKey, token, int(720*time.Hour), "/", "regmsif.cf", true, true)

	respondOK(c, user)
}

// 获取当前用户
func GetCurrentUser(c *gin.Context) {
	user, err := model.GetUser(c.MustGet(AuthUserKey).(uint))
	if err != nil {
		if errors.Is(err, model.ErrUserNotFound) {
			respondError(c, http.StatusNotFound, err)
		} else {
			respondUnknownError(c, err)
		}
		return
	}

	respondOK(c, user)
}