package auth

import (
	"net/http"
	"strings"

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

func Middleware(secret string) gin.HandlerFunc {
	return func(c *gin.Context) {
		header := c.GetHeader("Authorization")
		if !strings.HasPrefix(header, "Bearer ") {
			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "missing token"})
			return
		}
		claims, err := ValidateToken(strings.TrimPrefix(header, "Bearer "), secret)
		if err != nil {
			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
			return
		}
		c.Set("userID", claims.UserID)
		c.Set("email", claims.Email)
		c.Set("role", claims.Role)
		c.Next()
	}
}

func AdminOnly() gin.HandlerFunc {
	return func(c *gin.Context) {
		if c.GetString("role") != "admin" {
			c.AbortWithStatusJSON(http.StatusForbidden, gin.H{"error": "admin only"})
			return
		}
		c.Next()
	}
}