/**
 * GET /api/workspaces/[slug]/apps/[uuid]/logs
 *
 * Runtime logs for a Coolify app. Compose-aware: Coolify's REST API
 * for non-compose build packs, SSH into the Coolify host for per-
 * service `docker logs` on compose apps.
 *
 * Query params:
 *   lines   – tail lines per container (default 200, max 5000)
 *   service – limit to one compose service (optional)
 */

import { NextResponse } from 'next/server';
import { requireWorkspacePrincipal } from '@/lib/auth/workspace-auth';
import { getApplicationInProject, TenantError } from '@/lib/coolify';
import { getApplicationRuntimeLogs } from '@/lib/coolify-logs';

export async function GET(
  request: Request,
  { params }: { params: Promise<{ slug: string; uuid: string }> }
) {
  const { slug, uuid } = await params;
  const principal = await requireWorkspacePrincipal(request, { targetSlug: slug });
  if (principal instanceof NextResponse) return principal;

  const ws = principal.workspace;
  if (!ws.coolify_project_uuid) {
    return NextResponse.json({ error: 'Workspace has no Coolify project yet' }, { status: 503 });
  }

  const url = new URL(request.url);
  const linesRaw = Number(url.searchParams.get('lines') ?? '200');
  const lines = Number.isFinite(linesRaw) ? linesRaw : 200;
  const service = url.searchParams.get('service') ?? undefined;

  try {
    await getApplicationInProject(uuid, ws.coolify_project_uuid);
    const result = await getApplicationRuntimeLogs(uuid, { lines, service });
    return NextResponse.json(result);
  } catch (err) {
    if (err instanceof TenantError) {
      return NextResponse.json({ error: err.message }, { status: 403 });
    }
    return NextResponse.json(
      { error: 'Failed to fetch runtime logs', details: err instanceof Error ? err.message : String(err) },
      { status: 502 }
    );
  }
}