package middleware

import (
	"net/http"
	"strings"

	"github.com/gin-gonic/gin"

	"nl-pms-api/internal/commonservice"
)

// RequireJWT 校验 Authorization: Bearer <access token>，并把 user_id/username 写入上下文。
func RequireJWT(secret string) gin.HandlerFunc {
	return func(c *gin.Context) {
		token := strings.TrimSpace(strings.TrimPrefix(c.GetHeader("Authorization"), "Bearer "))
		if token == "" {
			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "UNAUTHORIZED"})
			return
		}
		claims, err := commonservice.Parse(secret, token, "access")
		if err != nil {
			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "UNAUTHORIZED"})
			return
		}
		c.Set(commonservice.CtxUserID, claims.UserID)
		c.Set(commonservice.CtxUsername, claims.Username)
		c.Next()
	}
}