var fs = require('fs');
var path = require('path');
var YAML = require('libyaml');
var logger = require('./logger');

var getOptions = function(){
	var options = {};

	// try to get filepath from the command-line
	if (process.argv[2]) {
		if (~['-v', '--verbose'].indexOf(process.argv[2])) {
			if (process.argv[3]) {
				options.filepath = process.argv[3];
			}
		} else {
			options.filepath = process.argv[2];
		}
	}

	// try to get the repo token as an environment variable
  if (process.env.COVERALLS_REPO_TOKEN) {
    options.repo_token = process.env.COVERALLS_REPO_TOKEN;
  } else {
		// try to get the repo token from a .coveralls.yml file
    var yml = path.join(process.cwd(), '.coveralls.yml');
    try {
      if (fs.statSync(yml).isFile()) {
        options.repo_token = YAML.readFileSync(yml)[0].repo_token;
      }
    } catch(ex){
      logger.warn("Repo token could not be determined.  Continuing without it.");
    }
  }
	return options;
};

module.exports = getOptions;