import { blobSize } from '$lib/server/db/file-blobs.js';
import { json, error } from '@sveltejs/kit';
import { db } from '$lib/server/db/index.js';
import { getDeployment } from '$lib/server/provisioning/index.js';

export async function GET({ params, url }: { params: { id: string }; url?: URL }) {
    const lifecycle = getDeployment(params.id, { events: url?.searchParams.get('events') === 'recent' ? 'recent' : 'all' });
    if (lifecycle) return json(lifecycle);
    const dep = db()
        .prepare('SELECT * FROM deployments WHERE id = ?')
        .get(params.id) as Record<string, unknown> | undefined;
    if (!dep) throw error(404, 'deployment not found');

    const servers = db()
        .prepare('SELECT * FROM deployment_servers WHERE deployment_id = ? ORDER BY server')
        .all(params.id);

    // Don't ship blobs in the summary — the client asks for a single file when
    // it opens the diff viewer.
    const files = db()
        .prepare(
            `SELECT id, server, verb, rel_path, sha256_before, sha256_after,
                    ${blobSize('content_before_hash')} AS size_before,
                    ${blobSize('content_after_hash')}  AS size_after
             FROM deployment_files
             WHERE deployment_id = ?
             ORDER BY server, rel_path`
        )
        .all(params.id);

    const scripts = db()
        .prepare(
            `SELECT ds.script_id, s.name AS script_name, s.target_rel_path,
                    ds.script_version_id, sv.version AS script_version,
                    ds.prior_version_id, pv.version AS prior_version
             FROM deployment_scripts ds
             LEFT JOIN scripts s ON s.id = ds.script_id
             LEFT JOIN script_versions sv ON sv.id = ds.script_version_id
             LEFT JOIN script_versions pv ON pv.id = ds.prior_version_id
             WHERE ds.deployment_id = ?
             ORDER BY ds.script_id`
        )
        .all(params.id);

    return json({ deployment: dep, servers, files, scripts });
}