const { fakerLV : faker } = require('@faker-js/faker');
const { randomUUID } = require('crypto');

const USER_COUNT = 500;

/**
 * @param { import("knex").Knex } knex
 * @returns { Promise<void> } 
 */
exports.seed = async function(knex) {

  const places = await knex('places').select('id');

  const createUser = ({
    sex = faker.person.sexType(),
    first_name = `${faker.person.firstName(sex)}`,
    last_name = faker.person.lastName(sex),
    email = faker.internet.email({ lastName: last_name, firstName: first_name }).toLocaleLowerCase(),
  } = {}) => {
    return {
      id: randomUUID(),
      first_name,
      last_name,
      email,
    }
  };

  const users = [
    createUser({
      first_name: 'Broks Randolfs',
      last_name: 'Gailītis',
      email: 'broks.randolfs@gailitis.dev'
    }),
    createUser({
      first_name: 'Ieva',
      last_name: 'Gailīte'
    }),
    ...new Array(USER_COUNT).fill(() => createUser()).map((fn, i) => fn(i)),
  ];

  await knex('users').insert(users);

  // Generate multiple random place ratings for each user
  for (const user of users) {
    const placeIds = faker.helpers.arrayElements(places, { min: 1, max: 10 });
    for (const placeId of placeIds) {
      await knex('place_ratings').insert({
        id: randomUUID(),
        user_id: user.id,
        place_id: placeId.id,
        rating: faker.number.int({ min: 1, max: 5 }),
      });
    }
  }
  
};