import { json } from '@sveltejs/kit';
import { db } from '$lib/server/db/index.js';

export async function GET({ url }: { url: URL }) {
    const activeOnly = url.searchParams.get('active') === 'true';

    const deployments = db()
        .prepare(
            `SELECT id, action, started_at, finished_at, triggered_by
             FROM deployments
             ORDER BY started_at DESC
             LIMIT 500`
        )
        .all() as Array<{
        id: string;
        action: string;
        started_at: string;
        finished_at: string | null;
        triggered_by: string | null;
    }>;

    const serversByDep = db()
        .prepare(
            `SELECT deployment_id, server, files_changed, restart_state, players, checked_at, restarted_at, attempts, error
             FROM deployment_servers`
        )
        .all() as Array<{
        deployment_id: string;
        server: string;
        files_changed: number;
        restart_state: string;
        players: number | null;
        checked_at: string | null;
        restarted_at: string | null;
        attempts: number;
        error: string | null;
    }>;

    const grouped = new Map<string, typeof serversByDep>();
    for (const s of serversByDep) {
        const arr = grouped.get(s.deployment_id) ?? [];
        arr.push(s);
        grouped.set(s.deployment_id, arr);
    }

    const rows = deployments
        .map((d) => ({ ...d, servers: grouped.get(d.id) ?? [] }))
        .filter((d) => (activeOnly ? d.servers.some((s) => s.restart_state === 'pending' || s.restart_state === 'failed') : true));

    return json({ deployments: rows });
}