import axios from 'axios';
import Credentials from '../credentials/Credentials.js';

async function pastebinDump(data, name, expiration = '1D') {
  try {
    let paste = `api_dev_key=${Credentials.pastebin}&api_option=paste&api_paste_code=${data}&api_paste_name=${name}&api_paste_expire_date=${expiration}`;
    let postRequest = await axios.post(`https://pastebin.com/api/api_raw.php`, paste, {
      headers: {
        "Content-type": "application/x-www-form-urlencoded"
      }
    }).then(res => res.data);
    return typeof postRequest === 'string' && `https://pastebin.com/raw/${postRequest.split('/').slice(-1)}`;
  } catch (error) {
    console.log(error);
  }
}

async function getUser(arg, mode) {
  try {
    let user = await axios(`https://api.twitch.tv/helix/users?${mode}=${arg}`, {
      headers: {
        'Authorization': `Bearer ${Credentials.helix_token}`,
        'Client-ID': `${Credentials.clientId}`
      }
    }).then(res => mode === 'login' ? res.data.data[0].id : res.data.data[0].login);
    return user && user;
  } catch (error) {
    console.log(`\n\n\n[*]Error getting user "${arg}"`);
    console.log('\tError:', error?.response?.statusText);
    console.log('\tMessage:', error?.response?.data?.message);
    console.log('\n\n\n');
  }
}

export async function follows(event, chat, args) {
  let validName = /^@/.test(args[1]);
  let validID = /^[0-9]+$/.test(args[1]);
  if (!validName && !validID) return;
  const userIdentifier = validName && args[1].slice(1);
  const userID = await getUser(userIdentifier, 'login');
  // get follow list
  let followList = [];
  let follows = await axios(`https://api.twitch.tv/helix/users/follows?from_id=${validID ? args[1] : userID}`, {
    headers: {
      'Authorization': `Bearer ${Credentials.helix_token}`,
      'Client-Id': `${Credentials.clientId}`
    }
  }).then(res => res.data.data).then(data => data.forEach(entry => {
    let now = Date.now();
    let cmp = new Date(entry.followed_at);
    let parsedDate = compareDates(now, cmp);
    let format = `${parsedDate.years}y ${parsedDate.months}M ${parsedDate.days}d ${parsedDate.hours}h ${parsedDate.minutes}m ${parsedDate.seconds}s`;
    followList.push({ streamName: entry.to_login, streamID: entry.to_id, followDate: entry.followed_at, followAge: format });
  }));
  let pastebinLink = await pastebinDump(JSON.stringify(followList, null, '\t'), 'Follow list');
  await chat.say(event.channel, pastebinLink);
}