#!/usr/bin/env node

/**
 * Module dependencies
 */

var program     = require('commander');
var inquirer    = require('inquirer');
var osenv       = require('osenv');

var config      = require('../lib/config');
var pkgjson     = require('../package.json');
var ls          = require('../lib/list');
var notify      = require('../lib/notify');
var first       = require('../lib/first');
var remove      = require('../lib/remove');
var messages    = require('../lib/messages');
var welcome     = require('../lib/welcome');


/**
 * Basic information
 */
program
    .version(pkgjson.version)
    .description(pkgjson.description)
    .option("-D, --dryrun", "First check what gets deleted. Nothing is deleted.")
    .on('--help', function() {
        console.log('  Examples:');
        console.log('');
        console.log('    $ gentleman delete movies');
        // console.log('    $ gentleman move series'); //@TODO: Implement moving of media
        console.log('');
    });


/**
 * Catch all the other commands
 */

// program
//     .command('*')
//     .description('Testing global function')
//     // .option("-m, --mode", "Mode to use: single/multiple")
//     .action(function(type, options){
//         console.log("Global trigger");
//     });


/**
 * Delete a media type
 */

program
    .command('delete [type]')
    .alias('del')
    .description('Delete a type of media')
    // .option("-m, --mode", "Mode to use: single/multiple")
    .action(function(type, options){

        first.check(function() {
            var actionOptions = {
                "src": config.get(type),
                "dry": (program.dryrun === undefined ? false : true)
            };

            ls.list(config.get(type), function(err, res) {
                if(err) {
                    console.error(notify.error(messages.errors[err.code]));
                    console.error(messages.strings.config.checkdirs);
                    process.exit();
                }

                if(res.length < 1) {
                    console.error(notify.error('%s'), messages.strings.empty_dir);
                    process.exit();
                }

                var options = {
                    type: "checkbox",
                    name: "dirs",
                    message: messages.strings.checkbox_choose,
                    choices: res
                };
                inquirer.prompt(options, function(answers) {
                    remove(answers.dirs, actionOptions, function(feedback) {
                        console.log('%s', feedback);
                    });
                });

            });

        });

    });


/**
 * Move a media type
 */

// program
//     .command('move [type]')
//     .description('move a type of media')
//     .option("-m, --mode [mode]", "Mode to use: single/multiple")
//     .action(function(env, options){
//         var mode = options.mode || "single";
//         env = env || 'all';
//         console.log('delete \'%s\' type using %s mode', env, mode);
//     });


/**
 * Set basic configuration
 */

program
    .command('config [option] [value]')
    .description('Change basic configuration')
    .on('--help', function() {
        console.log('  Example:');
        console.log('');
        console.log('    $ gentleman config');
        console.log('    $ gentleman config moviesDir /homes/dapperuser/Media/Movies');
        console.log('');
    })
    .action(function(option, value, env) {

        if(!option && !value) {
            first.check(function() {
                console.log(notify.success('\n%s'), messages.strings.config.ready);
            });
        } else {
            config.set(option, value, function() {
                console.log(notify.success('%s'), messages.strings.update_success);
            });
        }

    });


/**
 * Export all the 'program' commands
 */

program.parse(process.argv);


/**
 * Handle no arguments
 */
if(!program.args.length) {
    welcome.message();
    program.outputHelp();
    console.log(messages.strings.setup.info);
}