package controllers

import (
	"net/http"
	"time"
	"zjmud.xyz/phyer/rbcp/models"
	"zjmud.xyz/phyer/rbcp/services"

	"github.com/gin-gonic/gin"
	"github.com/golang-jwt/jwt/v5"
)

func Login(c *gin.Context) {
	var loginData struct {
		Username string `json:"username"`
		Password string `json:"password"`
	}

	if err := c.ShouldBindJSON(&loginData); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	user, err := services.Authenticate(loginData.Username, loginData.Password)
	if err != nil {
		c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid credentials"})
		return
	}

	token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
		"sub": user.ID,
		"exp": time.Now().Add(time.Hour * 24).Unix(),
	})

	tokenString, err := token.SignedString([]byte("your-256-bit-secret"))
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate token"})
		return
	}

	c.JSON(http.StatusOK, gin.H{"token": tokenString})
}

func Register(c *gin.Context) {
	var user models.User
	if err := c.ShouldBindJSON(&user); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	if err := services.CreateUser(&user); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	c.JSON(http.StatusCreated, user)
}