var gulp = require('gulp'),
    watch = require('gulp-watch'),
    Rsync = require('rsync');
    
var rsync = new Rsync();

var parseArgs = function(args) {
    var argsMap = {};
    var mainPos = 1;

    while (args[mainPos].indexOf('--') > 0) {
        mainPos++;
    }
    argsMap.main = args[mainPos];

    for (var i = (mainPos + 1); i < args.length; i++) {
        var arg = args[i];
        var sep = arg.indexOf('=');
        var key = arg.slice(2, sep);
        var value = arg.slice(sep + 1);
        if (!isNaN(Number(value)) && (value.indexOf('.') < 0)) {
            value = Number(value);
        }
        argsMap[key] = value;
    }

    return argsMap;
};

var args = parseArgs(process.argv);

// Build the command
rsync.shell('ssh -p ' + args.port)
    .flags('avzrP')
    .destination(args.username + '@' + args.host + ':/data/code/i.haitiand.cn/' + args.username + '/' . args.path)
    .delete()
    .exclude([
        'gulpfile.js',
        '.git',
        '.DS_Store',
        'node_modules'
    ]);

gulp.task('rsync', function() {
    rsync.source('./dist/')
        .execute(function(error, code, cmd) {
            // we're done
            console.log(error, code, cmd);
        }, function(data) {
            // do things like parse progress
        }, function(data) {
            // do things like parse error output
            console.log(data);
        });
});
gulp.task('default', ['rsync'], function() {
    gulp.watch([
        './dist/**/*',
    ], ['rsync']).on('change', function(event) {
        console.log('File ' + event.path + ' was ' + event.type + ', running tasks...');
    });
});