import type {LogContext} from '@rocicorp/logger';
import {v4 as uuidv4} from 'uuid';
import type {
  CreateCustomerRequest,
  CreateCustomerResponse,
} from './api-types.js';
import {ValidationError} from './handler-errors.js';
import {prisma} from './db.js';

export async function createCustomer(
  req: CreateCustomerRequest,
  lc: LogContext,
): Promise<CreateCustomerResponse> {
  lc = lc.withContext('createCustomer');
  lc.debug?.('request', req);

  if (!/\S+/.test(req.name)) {
    throw new ValidationError('name is required');
  } else if (!/^[^@]+@[^@]+\.[^@]+$/.test(req.email)) {
    throw new ValidationError('email is invalid');
  } else if (!req.acceptedTOS) {
    throw new ValidationError('acceptedTOS is required');
  }

  // License keys start with "l" and have no dashes.
  const licenseKey = 'l' + uuidv4().replace(/-/g, '');

  const customer = await prisma.customer.create({
    data: {
      // TODO we should probably validate the name against a regexp?
      name: req.name,
      // TODO(arv): Unclear why this is | null and not | undefined. Maybe a prisma bug?
      project: req.project ?? null,
      email: req.email,
      license: {
        create: {
          key: licenseKey,
          commercial: req.commercial,
          acceptedTOS: req.acceptedTOS,
        },
      },
    },
  });
  lc.info?.('Created customer ', customer);

  return {licenseKey};
}