const { Pool } = require('pg');
require('dotenv').config();

const createViewQuery = `
CREATE OR REPLACE VIEW artwork_vote_counts AS
SELECT 
    a.id AS artwork_id,
    a.title,
    a.category,
    a.image_url,
    p.participant_name,
    p.department,
    p.year,
    COUNT(v.id) AS vote_count
FROM artworks a
JOIN participants p ON a.participant_id = p.id
LEFT JOIN votes v ON a.id = v.artwork_id
GROUP BY a.id, a.title, a.category, a.image_url, p.participant_name, p.department, p.year
ORDER BY vote_count DESC;
`;

async function createView() {
    const pool = new Pool({
        connectionString: process.env.DATABASE_URL,
    });

    try {
        console.log('Connecting to the database...');
        const client = await pool.connect();

        console.log('Creating or replacing artwork_vote_counts view...');
        await client.query(createViewQuery);

        console.log('artwork_vote_counts view created or replaced successfully.');
        client.release();
    } catch (error) {
        console.error('Error creating artwork_vote_counts view:', error);
    } finally {
        await pool.end();
    }
}

createView();