const helpers = require('../common/helpers');
const service = require('./service');

async function handle(event) {
  const method = helpers.getMethod(event);
  const path = helpers.normalizePath(event);

  if (method === 'GET' && path === '/track-record') {
    const afterCursor = event.queryStringParameters?.afterCursor || null;
    const pageSize = helpers.parseInteger(event.queryStringParameters?.pageSize, 2000, { min: 1, max: 5000 });
    const pageAfterId = helpers.parseInteger(event.queryStringParameters?.pageAfterId, 0, { min: 0 });
    const cursorSnapshot = helpers.parseInteger(event.queryStringParameters?.cursorSnapshot, 0, { min: 0 });
    const result = await service.listTrackRecords(event.user.id, afterCursor, { pageSize, pageAfterId, cursorSnapshot });
    return helpers.formatResponse({ statusCode: 200, body: result });
  }

  const match = path.match(/^\/track-record\/(\d+)\/(\d+)$/);
  if (match && method === 'PUT') {
    const body = helpers.parseJsonBody(event);
    const result = await service.upsertTrackRecord(event.user.id, Number(match[1]), Number(match[2]), body);
    return helpers.formatResponse({ statusCode: 200, body: result });
  }

  return helpers.formatResponse({ statusCode: 404, body: { message: 'Not Found' } });
}

module.exports = {
  handle
};