volofile

var FS = require('fs'),
    BEM_PREFIX = 'bem-';

module.exports = {

    onCreate: function(d, v, namedArgs, projectName) {

        var date = new Date(),
            day = date.getDate(),
            month = date.getMonth() + 1,
            year = date.getFullYear();

        // Add leading zero to month
        if (String(month).length < 2) month = '0' + month;

        var dateStr = day + '.' + month + '.' + year;

        var defaultCommand = projectName.indexOf(BEM_PREFIX) === 0 ? projectName.slice(BEM_PREFIX.length)
                                                                   : projectName;

        v.prompt('Command name(' + defaultCommand + '):')
            .then(function(command) {
                if (!command || command.length === 0) {
                    command = defaultCommand;
                }
                return [command, v.prompt('Github login:')];
            })
            .spread(function(command, login) {
                return [command, login, v.prompt('Author name:')];
            })
            .spread(function(command, login, name) {
                return [
                    command,
                    login,
                    name,
                    v.prompt('Author email:')
                ];
            })
            .spread(function(command, login, name, email) {
                return [
                    command,
                    login,
                    name,
                    email,
                    v.prompt('Github path (in organization/repo format):')
                ];
            })
            .spread(function(command, login, name, email, ghPath) {
                var ghUrl = 'github.com/' + ghPath;
                var packageName = BEM_PREFIX + command,
                    packageUpper = packageName.toUpperCase();

                // Update the files that reference this project by name
                [
                    'package.json',
                    'index.js',
                    'GNUmakefile',
                    'ChangeLog.md',
                    'README.md.in',
                    'LICENSE',
                    'bin/app.in',
                    'lib/coa.js',
                    'lib/command.js'
                ].forEach(function(file) {
                    var res = v.template(v.read(file), {
                        app: packageName,
                        command: command,
                        APP: packageUpper,
                        APP_ENV: packageUpper.replace(/-/g, '_'),
                        authorName: name,
                        authorEmail: email,
                        githubUrl: ghUrl,
                        githubPath: ghPath,
                        githubLogin: login,
                        year: year,
                        date: dateStr
                    });
                    if (file === 'package.json') {
                        res = res.replace('"app"', '"' + packageName + '"');
                    }
                    v.write(file, res);
                });

                // Rename bin/app.in to bin/{app} and make it executable
                var from = 'bin/app.in',
                    to = 'bin/' + packageName;
                v.mv(from, to);
                FS.chmodSync(to, '0755');

                // Rename README.md.in to README.md
                v.mv('README.md.in', 'README.md');

                // Rename command file
                v.mv('lib/command.js', 'lib/' + command + '.js');

                // Remove this volofile
                v.rm('volofile');

                console.log([
                    'Project directory is ready!',
                    '',
                    'Do not forget to',
                    '- run `npm init` to initialize npm package',
                    '- run `git init` to create git repository',
                    '- review CONTRIBUTING.md',
                    '- commit your project'
                    ].join('\n'));

                d.resolve();

            });

    }

};