package api

import (
	"strings"

	"asset-tracker/internal/auth"

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

func AuthRequired(tm *auth.TokenManager) gin.HandlerFunc {
	return func(c *gin.Context) {
		authHeader := c.GetHeader("Authorization")
		if authHeader == "" || !strings.HasPrefix(authHeader, "Bearer ") {
			JSONUnauthorized(c, "AUTH_MISSING_BEARER", "missing bearer token")
			c.Abort()
			return
		}
		token := strings.TrimSpace(strings.TrimPrefix(authHeader, "Bearer "))
		claims, err := tm.ParseAndValidate(token, "access")
		if err != nil {
			JSONUnauthorized(c, "AUTH_INVALID_TOKEN", "invalid token")
			c.Abort()
			return
		}
		c.Set("user_id", claims.UserID)
		c.Set("username", claims.Username)
		c.Set("timezone", claims.Timezone)
		c.Next()
	}
}