/*
 * Copyright (C) 2026 Fluxer Contributors
 *
 * This file is part of Fluxer.
 *
 * Fluxer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Fluxer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
 */

package integration

import (
	"fmt"
	"testing"
	"time"
)

// TestOAuth2ApplicationListIsolation validates that users only see their own applications,
// ensuring ownership isolation is enforced.
func TestOAuth2ApplicationListIsolation(t *testing.T) {
	client := newTestClient(t)
	user1 := createTestAccount(t, client)
	user2 := createTestAccount(t, client)

	user1AppName := fmt.Sprintf("User1 App %d", time.Now().UnixNano())
	user1AppID, _, _ := createOAuth2BotApplication(t, client, user1, user1AppName, []string{"https://example.com/user1"})

	user2AppName := fmt.Sprintf("User2 App %d", time.Now().UnixNano())
	user2AppID, _, _ := createOAuth2BotApplication(t, client, user2, user2AppName, []string{"https://example.com/user2"})

	user1Apps := listOAuth2Applications(t, client, user1.Token)
	var foundUser1App, foundUser2AppInUser1List bool
	for _, app := range user1Apps {
		if app.ID == user1AppID {
			foundUser1App = true
		}
		if app.ID == user2AppID {
			foundUser2AppInUser1List = true
		}
	}

	if !foundUser1App {
		t.Fatalf("user1 should see their own application")
	}
	if foundUser2AppInUser1List {
		t.Fatalf("user1 should not see user2's applications")
	}

	user2Apps := listOAuth2Applications(t, client, user2.Token)
	var foundUser2App, foundUser1AppInUser2List bool
	for _, app := range user2Apps {
		if app.ID == user2AppID {
			foundUser2App = true
		}
		if app.ID == user1AppID {
			foundUser1AppInUser2List = true
		}
	}

	if !foundUser2App {
		t.Fatalf("user2 should see their own application")
	}
	if foundUser1AppInUser2List {
		t.Fatalf("user2 should not see user1's applications")
	}
}