package middleware

import (
	"net/http"
	"strings"

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

// JWTAuthMiddleware is a simple JWT authentication middleware.
func JWTAuthMiddleware() gin.HandlerFunc {
	return func(c *gin.Context) {
		authHeader := c.GetHeader("Authorization")
		if authHeader == "" || !strings.HasPrefix(authHeader, "Bearer ") {
			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "Missing or invalid token"})
			return
		}

		token := strings.TrimPrefix(authHeader, "Bearer ")
		// For demonstration, accept the token "valid-token" as valid.
		if token != "valid-token" {
			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "Invalid token"})
			return
		}

		c.Next()
	}
}