const { createBasicPublishParams, createThumbnailPublishParams, parsePublishApiRequestBody, parsePublishApiRequestFiles } = require('helpers/publishHelpers.js');
const { claimNameIsAvailable, publish } = require('controllers/publishController.js');
const { authenticateUser } = require('auth/authentication.js');
const { sendGATimingEvent } = require('helpers/googleAnalytics.js');
const { handleErrorResponse } = require('helpers/errorHandlers.js');
const { details: { host } } = require('siteConfig.js');

/*

  route to publish a claim through the daemon

*/

const claimPublish = (db) => {
  return ({ body, files, headers, ip, originalUrl, user }, res) => {
    // define variables
    let  channelName, channelId, channelPassword, description, fileName, filePath, fileType, gaStartTime, license, name, nsfw, thumbnail, thumbnailFileName, thumbnailFilePath, thumbnailFileType, title;
    // record the start time of the request
    gaStartTime = Date.now();
    // validate the body and files of the request
    try {
      // validateApiPublishRequest(body, files);
      ({name, nsfw, license, title, description, thumbnail} = parsePublishApiRequestBody(body));
      ({fileName, filePath, fileType, thumbnailFileName, thumbnailFilePath, thumbnailFileType} = parsePublishApiRequestFiles(files));
      ({channelName, channelId, channelPassword} = body);
    } catch (error) {
      return res.status(400).json({success: false, message: error.message});
    }
    // check channel authorization
    Promise
      .all([
        authenticateUser(channelName, channelId, channelPassword, user),
        claimNameIsAvailable(name),
        createBasicPublishParams(filePath, name, title, description, license, nsfw, thumbnail),
        createThumbnailPublishParams(thumbnailFilePath, name, license, nsfw),
      ])
      .then(([{channelName, channelClaimId}, validatedClaimName, publishParams, thumbnailPublishParams]) => {
        // add channel details to the publish params
        if (channelName && channelClaimId) {
          publishParams['channel_name'] = channelName;
          publishParams['channel_id'] = channelClaimId;
        }
        // publish the thumbnail
        if (thumbnailPublishParams) {
          publish(thumbnailPublishParams, thumbnailFileName, thumbnailFileType);
        }
        // publish the asset
        return publish(publishParams, fileName, fileType);
      })
      .then(result => {
        res.status(200).json({
          success: true,
          message: 'publish completed successfully',
          data   : {
            name,
            claimId: result.claim_id,
            url    : `${host}/${result.claim_id}/${name}`,
            lbryTx : result,
          },
        });
        // record the publish end time and send to google analytics
        sendGATimingEvent('end-to-end', 'publish', fileType, gaStartTime, Date.now());
      })
      .catch(error => {
        handleErrorResponse(originalUrl, ip, error, res);
      });
  };
};

module.exports = claimPublish;