import type { HostApiContext } from '../context';
import type { NormalizedHostApiRequest } from '../route-utils';
import { fail, ok, parseJsonBody } from '../route-utils';
import {
  createCronJob,
  deleteCronJob,
  listCronJobs,
  toggleCronJob,
  triggerCronJob,
  updateCronJob,
} from '../../utils/cron-store';
import type { CronJobCreateInput, CronJobUpdateInput } from '@src/lib/cron-types';

export async function handleCronRoutes(
  request: NormalizedHostApiRequest,
  _ctx: HostApiContext,
) {
  const { pathname, method } = request;

  if (pathname === '/api/cron/jobs' && method === 'GET') {
    return ok(listCronJobs());
  }

  if (pathname === '/api/cron/jobs' && method === 'POST') {
    try {
      const body = parseJsonBody<CronJobCreateInput & { agentId?: string | null }>(request.body);
      return ok(createCronJob(body), 201);
    } catch (error) {
      return fail(400, error instanceof Error ? error.message : String(error));
    }
  }

  if (pathname === '/api/cron/toggle' && method === 'POST') {
    try {
      const body = parseJsonBody<{ id?: string; enabled?: boolean }>(request.body);
      if (!body?.id) {
        return fail(400, 'id is required');
      }

      return ok(toggleCronJob(body.id, body.enabled !== false));
    } catch (error) {
      return fail(400, error instanceof Error ? error.message : String(error));
    }
  }

  if (pathname === '/api/cron/trigger' && method === 'POST') {
    try {
      const body = parseJsonBody<{ id?: string }>(request.body);
      if (!body?.id) {
        return fail(400, 'id is required');
      }

      return ok(triggerCronJob(body.id));
    } catch (error) {
      return fail(400, error instanceof Error ? error.message : String(error));
    }
  }

  if (!pathname.startsWith('/api/cron/jobs/')) {
    return null;
  }

  const jobId = decodeURIComponent(pathname.slice('/api/cron/jobs/'.length)).trim();
  if (!jobId) {
    return fail(400, 'id is required');
  }

  if (method === 'PUT') {
    try {
      const body = parseJsonBody<CronJobUpdateInput & { agentId?: string | null }>(request.body);
      return ok(updateCronJob(jobId, body));
    } catch (error) {
      return fail(400, error instanceof Error ? error.message : String(error));
    }
  }

  if (method === 'DELETE') {
    try {
      return ok(deleteCronJob(jobId));
    } catch (error) {
      return fail(400, error instanceof Error ? error.message : String(error));
    }
  }

  return null;
}