//go:build ignore

package handler

import (
	"crypto/md5"
	"fmt"
	"net/http"
	"time"
	"xboard-go/internal/database"
	"xboard-go/internal/model"
	"xboard-go/pkg/utils"

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

type LoginRequest struct {
	Email    string `json:"email" binding:"required,email"`
	Password string `json:"password" binding:"required"`
}

type RegisterRequest struct {
	Email    string `json:"email" binding:"required,email"`
	Password string `json:"password" binding:"required,min=8"`
	InviteCode *string `json:"invite_code"`
}

func Login(c *gin.Context) {
	var req LoginRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"message": "参数错误"})
		return
	}

	var user model.User
	if err := database.DB.Where("email = ?", req.Email).First(&user).Error; err != nil {
		c.JSON(http.StatusUnauthorized, gin.H{"message": "邮箱或密码错误"})
		return
	}

	if !utils.CheckPassword(req.Password, user.Password) {
		c.JSON(http.StatusUnauthorized, gin.H{"message": "邮箱或密码错误"})
		return
	}

	token, err := utils.GenerateToken(user.ID, user.IsAdmin)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"message": "生成Token失败"})
		return
	}

	c.JSON(http.StatusOK, gin.H{
		"token": token,
		"is_admin": user.IsAdmin,
	})
}

func Register(c *gin.Context) {
	var req RegisterRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"message": "参数错误"})
		return
	}

	// Check if email already exists
	var count int64
	database.DB.Model(&model.User{}).Where("email = ?", req.Email).Count(&count)
	if count > 0 {
		c.JSON(http.StatusBadRequest, gin.H{"message": "该邮箱已被注册"})
		return
	}

	hashedPassword, err := utils.HashPassword(req.Password)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"message": "系统错误"})
		return
	}

	newUUID := uuid.New().String()
	// Generate a 16-character random token for compatibility
	tokenRaw := fmt.Sprintf("%x", md5.Sum([]byte(time.Now().String()+req.Email)))
	token := tokenRaw[:16]

	user := model.User{
		Email:     req.Email,
		Password:  hashedPassword,
		UUID:      newUUID,
		Token:     token,
		CreatedAt: time.Now().Unix(),
		UpdatedAt: time.Now().Unix(),
	}

	if err := database.DB.Create(&user).Error; err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"message": "注册失败"})
		return
	}

	c.JSON(http.StatusOK, gin.H{
		"message": "注册成功",
	})
}