// Migration: Add VCL reporting columns to compliance_items and create compliance_snapshots table
const pool = require('../db');

async function run() {
    console.log('Starting VCL reporting migration...');
    try {
        await pool.query(`ALTER TABLE compliance_items ADD COLUMN IF NOT EXISTS resolution_date DATE DEFAULT NULL`);
        console.log('✓ resolution_date column added (or already exists)');

        await pool.query(`ALTER TABLE compliance_items ADD COLUMN IF NOT EXISTS remediation_plan TEXT DEFAULT NULL`);
        console.log('✓ remediation_plan column added (or already exists)');

        await pool.query(`
            CREATE TABLE IF NOT EXISTS compliance_snapshots (
                id              SERIAL PRIMARY KEY,
                snapshot_month  TEXT NOT NULL,
                vertical        TEXT NOT NULL,
                total_devices   INTEGER NOT NULL DEFAULT 0,
                compliant       INTEGER NOT NULL DEFAULT 0,
                non_compliant   INTEGER NOT NULL DEFAULT 0,
                compliance_pct  NUMERIC(5,2) DEFAULT 0,
                created_at      TIMESTAMPTZ DEFAULT NOW(),
                UNIQUE(snapshot_month, vertical)
            )
        `);
        console.log('✓ compliance_snapshots table created (or already exists)');

        await pool.query(`CREATE INDEX IF NOT EXISTS idx_compliance_snapshots_month ON compliance_snapshots(snapshot_month)`);
        console.log('✓ idx_compliance_snapshots_month index created (or already exists)');
    } catch (err) {
        console.error('Migration error:', err.message);
        process.exit(1);
    }
    console.log('Migration complete.');
    process.exit(0);
}

run();