'use strict';

var async = require('grunt').util.async;
var grunt = require('grunt');

module.exports = function (task, exec, done) {
    var errorMsg = '';
    var options = task.options({
        subcommand: null,
        force: null,
        repository: null, //only for add or update subcommand
        branch: null, //only for add subcommand
        path: null, //not for foreach subcommand
        init: null, //for update subcommand
        recursive: null, //only for update subcommand
        //...
    });
    var knownSubcommands = [
        'add',
        'status',
        'init',
        'deinit',
        'upgrade',
        'summary',
        //'foreach', //Doesn't really make sense in this context IMO
        'sync'
    ]

    var args = ['submodule'];

    if (!options.subcommand) {
        errorMsg = 'Cannot invoke submodule command without a sub-command';
        throw new Error(errorMsg);
    } else if (knownSubcommands.indexOf(options.subcommand) === -1) {
        errorMsg = 'Unknown subcommand: "' + options.subcommand + '". '
        errorMsg += 'Possible subcommands are: ' + knownSubcommands.join(', ');
        throw new Error(errorMsg);
    } else {
        args.push(options.subcommand);
    }
    //TODO: loop through other options, or simply assign them in a loop?
    if (options.branch) {
        args.push(options.branch);
    }


    // Add callback
    args.push(done);

    exec.apply(this, args);
};

module.exports.description = 'Execute submodule command';

'use strict';

var async = require('grunt').util.async;
var grunt = require('grunt');

module.exports = function (task, exec, done) {
    var optionKey;
    var options = task.options({
        init: false,
        remote: false,
        noFetch: false,
        force: false,
        rebase: false,
        merge: false,
        reference: null,
        depth: null,
        recursive: false,
        path: null
    });

    var spawnOptions = ['cwd', 'verbose'];

    var args = ['submodule', 'update'];


    // options.path is not a cli flag, instead, the value is added
    var path = options.path
    // unset options.path so that it does not get interpreted below
    options.path = null;

    // loop through cli flags in options and add to args
    for (optionKey in options) {
        if (options.hasOwnProperty(optionKey) && options[optionKey] && spawnOptions.indexOf(optionKey) === -1) {
            // add flag
            args.push('--' + optionKey);
            // if not a boolean, add the value after the flag
            if (typeof options[optionKey] !== 'boolean') {
                args.push(options[optionKey]);
            }
        }
    }

    // Add callback
    args.push(done);

    exec.apply(this, args);
};

module.exports.description = 'Update git submodules.';