package sub

import (
	"encoding/base64"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"

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

// The JSON and Clash subscription formats were removed: their endpoints must
// answer 404, while the link-format endpoint keeps serving the exact raw
// base64 link list.
func TestRemovedFormatEndpointsReturn404(t *testing.T) {
	seedSubDB(t)
	seedSubInbound(t, "s1", "gone", 4499, 1, `{"network":"tcp","security":"none"}`)
	gin.SetMode(gin.TestMode)
	router := newSubscriptionTestRouter()

	for _, path := range []string{"/json/s1", "/clash/s1"} {
		req := httptest.NewRequest(http.MethodGet, "http://sub.example.com"+path, nil)
		resp := httptest.NewRecorder()
		router.ServeHTTP(resp, req)
		if resp.Code != http.StatusNotFound {
			t.Fatalf("GET %s status = %d, want 404", path, resp.Code)
		}
	}

	req := httptest.NewRequest(http.MethodGet, "http://sub.example.com/sub/s1", nil)
	resp := httptest.NewRecorder()
	router.ServeHTTP(resp, req)
	if resp.Code != http.StatusOK {
		t.Fatalf("GET /sub/s1 status = %d, want 200; body=%s", resp.Code, resp.Body.String())
	}
	decoded, err := base64.StdEncoding.DecodeString(resp.Body.String())
	if err != nil {
		t.Fatalf("link response is not base64: %v", err)
	}
	if !strings.Contains(string(decoded), "vless://") {
		t.Fatalf("link output changed, decoded body lacks a VLESS link: %s", decoded)
	}
}