const fs = require('fs').promises;
const MWBot = require('mwbot');

const { USERNAME, PASSWORD } = process.env;

if (!USERNAME) {
  console.error('USERNAME was not set.');
  process.exit(1);
}

if (!PASSWORD) {
  console.error('PASSWORD was not set.');
  process.exit(1);
}

const PAGE_EDIT_FILENAME = process.argv[2];

if (!PAGE_EDIT_FILENAME) {
  console.error('No filename specified to edit pages');
  process.exit(1);
}

const FILE_EDIT_FILENAME = process.argv[3];

if (!FILE_EDIT_FILENAME) {
  console.error('No filename specified to edit files');
  process.exit(1);
}

async function main() {
  console.log(`Reading from ${PAGE_EDIT_FILENAME}`);
  const editFile = await (await fs.readFile(PAGE_EDIT_FILENAME, 'utf8')).split(
    '\n',
  );

  console.log(`Logging in as ${USERNAME}`);

  const bot = new MWBot();

  await bot.loginGetEditToken({
    apiUrl: 'https://wiki.chompstation13.net/api.php',
    username: USERNAME,
    password: PASSWORD,
  });

  console.log('Logged in');

  // This is not Promise.all as to not flood with a bunch of traffic at once
  for (const editLine of editFile) {
    if (editLine.length === 0) {
      continue;
    }

    let { title, text } = JSON.parse(editLine);
    text =
      '<noinclude><b>This page is automated by Autowiki. Do NOT edit it manually.</b></noinclude>' +
      text;

    console.log(`Editing ${title}...`);
    await bot.edit(title, text, `Autowiki edit @ ${new Date().toISOString()}`);
  }

  // Same here
  for (const asset of await fs.readdir(FILE_EDIT_FILENAME)) {
    const assetPath = `${FILE_EDIT_FILENAME}/${asset}`;
    const assetName = `Autowiki-${asset}`;

    console.log(`Replacing ${assetName}...`);
    await bot
      .upload(
        assetName,
        assetPath,
        `Autowiki upload @ ${new Date().toISOString()}`,
      )
      .catch((error) => {
        if (error.code === 'fileexists-no-change') {
          console.log(`${assetName} is an exact duplicate`);
        } else {
          return Promise.reject(error);
        }
      });
  }
}

main().catch(console.error);