(function() {
  /**
  Implementation of the 'convert' verb for HackMyResume.
  @module verbs/convert
  @license MIT. See LICENSE.md for details.
  */
  /** Private workhorse method. Convert 0..N resumes between FRESH and JRS
  formats. */
  /** Private workhorse method. Convert a single resume. */
  var ConvertVerb, HMEVENT, HMSTATUS, ResumeFactory, Verb, _, _convert, _convertOne, chalk;

  ResumeFactory = require('../core/resume-factory');

  chalk = require('chalk');

  Verb = require('../verbs/verb');

  HMSTATUS = require('../core/status-codes');

  _ = require('underscore');

  HMEVENT = require('../core/event-codes');

  module.exports = ConvertVerb = class ConvertVerb extends Verb {
    constructor() {
      super('convert', _convert);
    }

  };

  _convert = function(srcs, dst, opts) {
    var fmtUp, results, targetVer;
    if (!srcs || !srcs.length) {
      this.err(HMSTATUS.resumeNotFound, {
        quit: true
      });
      return null;
    }
    if (!dst || !dst.length) {
      if (srcs.length === 1) {
        this.err(HMSTATUS.inputOutputParity, {
          quit: true
        });
      } else if (srcs.length === 2) {
        dst = dst || [];
        dst.push(srcs.pop());
      } else {
        this.err(HMSTATUS.inputOutputParity, {
          quit: true
        });
      }
    }
    // Different number of source and dest resumes? Error out.
    if (srcs && dst && srcs.length && dst.length && srcs.length !== dst.length) {
      this.err(HMSTATUS.inputOutputParity, {
        quit: true
      });
    }
    // Validate the destination format (if specified)
    targetVer = null;
    if (opts.format) {
      fmtUp = opts.format.trim().toUpperCase();
      if (!_.contains(['FRESH', 'FRESCA', 'JRS', 'JRS@1', 'JRS@edge'], fmtUp)) {
        this.err(HMSTATUS.invalidSchemaVersion, {
          data: opts.format.trim(),
          quit: true
        });
      }
    }
    // freshVerRegex = require '../utils/fresh-version-regex'
    // matches = fmtUp.match freshVerRegex()
    // # null
    // # [ 'JRS@1.0', 'JRS', '1.0', index: 0, input: 'FRESH' ]
    // # [ 'FRESH', 'FRESH', undefined, index: 0, input: 'FRESH' ]
    // if not matches
    //   @err HMSTATUS.invalidSchemaVersion, data: opts.format.trim(), quit: true
    // targetSchema = matches[1]
    // targetVer = matches[2] || '1'

    // If any errors have occurred this early, we're done.
    if (this.hasError()) {
      this.reject(this.errorCode);
      return null;
    }
    // Map each source resume to the converted destination resume
    results = _.map(srcs, function(src, idx) {
      var r;
      // Convert each resume in turn
      r = _convertOne.call(this, src, dst, idx, fmtUp);
      // Handle conversion errors
      if (r.fluenterror) {
        r.quit = opts.assert;
        this.err(r.fluenterror, r);
      }
      return r;
    }, this);
    if (this.hasError() && !opts.assert) {
      this.reject(results);
    } else if (!this.hasError()) {
      this.resolve(results);
    }
    return results;
  };

  _convertOne = function(src, dst, idx, targetSchema) {
    var err, rez, rinfo, srcFmt, targetFormat;
    // Load the resume
    rinfo = ResumeFactory.loadOne(src, {
      format: null,
      objectify: true,
      inner: {
        privatize: false
      }
    });
    // If a load error occurs, report it and move on to the next file (if any)
    if (rinfo.fluenterror) {
      this.stat(HMEVENT.beforeConvert, {
        srcFile: src, //rinfo.file
        srcFmt: '???',
        dstFile: dst[idx],
        dstFmt: '???',
        error: true
      });
      //@err rinfo.fluenterror, rinfo
      return rinfo;
    }
    // Determine the resume's SOURCE format
    // TODO: replace with detector component
    rez = rinfo.rez;
    srcFmt = '';
    if (rez.meta && rez.meta.format) { //&& rez.meta.format.substr(0, 5).toUpperCase() == 'FRESH'
      srcFmt = 'FRESH';
    } else if (rez.basics) {
      srcFmt = 'JRS';
    } else {
      rinfo.fluenterror = HMSTATUS.unknownSchema;
      return rinfo;
    }
    // Determine the TARGET format for the conversion
    targetFormat = targetSchema || (srcFmt === 'JRS' ? 'FRESH' : 'JRS');
    // Fire the beforeConvert event
    this.stat(HMEVENT.beforeConvert, {
      srcFile: rinfo.file,
      srcFmt: srcFmt,
      dstFile: dst[idx],
      dstFmt: targetFormat
    });
    try {
      // Save it to the destination format
      rez.saveAs(dst[idx], targetFormat);
    } catch (error) {
      err = error;
      if (err.badVer) {
        return {
          fluenterror: HMSTATUS.invalidSchemaVersion,
          quit: true,
          data: err.badVer
        };
      }
    }
    return rez;
  };

}).call(this);

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