import Lbry from 'lbry';
import Lbryio from 'lbryio';
import { doShowSnackBar } from 'redux/actions/app';

function rewardMessage(type, amount) {
  return {
    new_developer: __('You earned %s for registering as a new developer.', amount),
    new_user: __('You earned %s LBC new user reward.', amount),
    confirm_email: __('You earned %s LBC for verifying your email address.', amount),
    new_channel: __('You earned %s LBC for creating a publisher identity.', amount),
    first_stream: __('You earned %s LBC for streaming your first video.', amount),
    many_downloads: __('You earned %s LBC for downloading a bunch of things.', amount),
    first_publish: __('You earned %s LBC for making your first publication.', amount),
    featured_download: __('You earned %s LBC for watching a featured download.', amount),
    referral: __('You earned %s LBC for referring someone.', amount),
  }[type];
}

const rewards = {};

rewards.TYPE_NEW_DEVELOPER = 'new_developer';
rewards.TYPE_NEW_USER = 'new_user';
rewards.TYPE_CONFIRM_EMAIL = 'verified_email';
rewards.TYPE_FIRST_CHANNEL = 'new_channel';
rewards.TYPE_FIRST_STREAM = 'first_stream';
rewards.TYPE_MANY_DOWNLOADS = 'many_downloads';
rewards.TYPE_FIRST_PUBLISH = 'first_publish';
rewards.TYPE_FEATURED_DOWNLOAD = 'featured_download';
rewards.TYPE_REFERRAL = 'referral';
rewards.SORT_ORDER = [
  rewards.TYPE_NEW_USER,
  rewards.TYPE_CONFIRM_EMAIL,
  rewards.TYPE_FIRST_STREAM,
  rewards.TYPE_FIRST_CHANNEL,
  rewards.TYPE_FIRST_PUBLISH,
  rewards.TYPE_FEATURED_DOWNLOAD,
  rewards.TYPE_MANY_DOWNLOADS,
  rewards.TYPE_REFERRAL,
  rewards.TYPE_NEW_DEVELOPER,
];

rewards.claimReward = function(type) {
  function requestReward(resolve, reject, params) {
    if (!Lbryio.enabled) {
      reject(new Error(__('Rewards are not enabled.')));
      return;
    }
    Lbryio.call('reward', 'new', params, 'post').then(reward => {
      const message = rewardMessage(type, reward.reward_amount);

      // Display global notice
      const action = doShowSnackBar({
        message,
        linkText: __('Show All'),
        linkTarget: '/rewards',
        isError: false,
      });
      window.app.store.dispatch(action);

      // Add more events here to display other places

      resolve(reward);
    }, reject);
  }

  return new Promise((resolve, reject) => {
    Lbry.wallet_unused_address().then(address => {
      const params = {
        reward_type: type,
        wallet_address: address,
      };

      switch (type) {
        case rewards.TYPE_FIRST_CHANNEL:
          Lbry.claim_list_mine()
            .then(claims => {
              const claim = claims
                .reverse()
                .find(
                  foundClaim =>
                    foundClaim.name.length &&
                    foundClaim.name[0] === '@' &&
                    foundClaim.txid.length &&
                    foundClaim.category === 'claim'
                );
              if (claim) {
                params.transaction_id = claim.txid;
                requestReward(resolve, reject, params);
              } else {
                reject(new Error(__('Please create a channel identity first.')));
              }
            })
            .catch(reject);
          break;

        case rewards.TYPE_FIRST_PUBLISH:
          Lbry.claim_list_mine()
            .then(claims => {
              const claim = claims
                .reverse()
                .find(
                  foundClaim =>
                    foundClaim.name.length &&
                    foundClaim.name[0] !== '@' &&
                    foundClaim.txid.length &&
                    foundClaim.category === 'claim'
                );
              if (claim) {
                params.transaction_id = claim.txid;
                requestReward(resolve, reject, params);
              } else {
                reject(
                  claims.length
                    ? new Error(
                        __(
                          'Please publish something and wait for confirmation by the network to claim this reward.'
                        )
                      )
                    : new Error(__('Please publish something to claim this reward.'))
                );
              }
            })
            .catch(reject);
          break;

        case rewards.TYPE_FIRST_STREAM:
        case rewards.TYPE_NEW_USER:
        default:
          requestReward(resolve, reject, params);
      }
    });
  });
};

export default rewards;