import postgres from 'postgres';

const sql = postgres('postgres://localhost:5432/alertmessagecenter');

async function run() {
    try {
        // 1. Get a topic
        const [topic] = await sql`SELECT * FROM topics LIMIT 1`;
        if (!topic) {
            console.log('No topics found. Create a topic first.');
            return;
        }
        console.log('Using topic:', topic.id, topic.slug);

        // 2. Define a fake user ID
        const fakeUserId = 'user_fake_002';

        // Clean up first
        await sql`DELETE FROM subscriptions WHERE user_id = ${fakeUserId}`;
        await sql`DELETE FROM users WHERE id = ${fakeUserId}`;

        // 3. Try to subscribe with non-existent user
        console.log('\n--- Attempt 1: Subscribe with non-existent user ---');
        const res1 = await fetch(`http://localhost:3000/api/topics/${topic.id}/subscribe/${fakeUserId}`, {
            method: 'POST',
            headers: {
                'Cookie': `session=${encodeURIComponent(JSON.stringify({
                    id: fakeUserId,
                    name: 'Fake User',
                    email: 'fake@example.com',
                    isAdmin: false
                }))}`
            }
        });
        console.log('Status:', res1.status);
        const text1 = await res1.text();
        console.log('Response:', text1); // Expect 500 FK violation

        // 4. Create the user
        console.log('\n--- Creating user... ---');
        await sql`INSERT INTO users (id, name, feishu_user_id, email, is_admin)
              VALUES (${fakeUserId}, 'Fake User', 'ou_fake', 'fake2@example.com', false)
              ON CONFLICT (id) DO NOTHING`;

        // 5. Try to subscribe again
        console.log('\n--- Attempt 2: Subscribe with existing user ---');
        const res2 = await fetch(`http://localhost:3000/api/topics/${topic.id}/subscribe/${fakeUserId}`, {
            method: 'POST',
            headers: {
                'Cookie': `session=${encodeURIComponent(JSON.stringify({
                    id: fakeUserId,
                    name: 'Fake User',
                    email: 'fake@example.com',
                    isAdmin: false
                }))}`
            }
        });
        console.log('Status:', res2.status);
        const text2 = await res2.text();
        console.log('Response:', text2); // Expect 200

    } catch (e) {
        console.error(e);
    } finally {
        await sql.end();
    }
}

run();