module.exports = function(grunt) {
    basicPath = 'static/js/threeJsHelper/';

    sshServers = {};
    sshServers['compute3'] = 'ipepdvcompute3.ipe.kit.edu';
    sshServers['anka'] = 'anka-visualize.anka.kit.edu';
    username = 'visualization';
	tarName = '<%= pkg.name %>.tar';

    deployCommand = function(env, server) {
        var command = 'ssh  ' + username + '@' + sshServers[server]
                + ' "cd /usr/local/www/;'
                + 'rm -rf <%= pkg.name %>;'
                + 'tar -xf ' + tarName + ';'
                + 'cp -r <%= pkg.name %>/* visualization-' + env + '/;"'
				+ 'cp visualization-' + env + '/visualization/settings_env.py.' + env + '.' + server + ' visualization-' + env + '/visualization/settings_env.py;';
        return command;
    }

    var env = grunt.option('env') || 'staging';
    var server = grunt.option('server') || 'compute3';


    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),
        files : {
            dest: basicPath + 'dist/<%= pkg.jsname %>.js',
            destMin: basicPath + 'dist/<%= pkg.jsname %>.min.js'
        },
        concat: {
          options: {
            separator: ';'
          },
          dist: {
            src: [ basicPath + 'src/**/*.js' ],
            dest: '<%= files.dest %>'
          }
        },

		shell: {
            pkg: {
                command: 'tar -cf ' + tarName + '  ../<%= pkg.name %>/*  --exclude=settings_env.py --exclude=node_modules --exclude=__pycache__ --exclude=Gruntfile.js --exclude=startDev.sh --exclude=manage.py'
            },
            rmPkg: {
                command: 'rm ' + tarName
            },
            scp: {
                command: 'scp ' + tarName + ' visualization@' + sshServers[server] + ':/usr/local/www/'
            },
            deploy: {
                command: deployCommand(env, server)
            },
            bumbVersion: {
                command: 'npm version patch'
            }
        },

        watch: {
            scripts: {
                files: [ basicPath + 'src/**/*.js' ],
                tasks: ['dev-watch'],
                options : {
                    interrupt: true
                }
            }
        },

        uglify: {
            options: {
                // the banner is inserted at the top of the output
                banner: '/*! <%= pkg.name %> <%= grunt.template.today("dd-mm-yyyy") %> */\n'
            },
            dist: {
                files: {
                    '<%= files.destMin %>': ['<%= files.dest %>']
                }
            }
        }
    });

    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-shell');
    grunt.loadNpmTasks('grunt-contrib-uglify');

    grunt.registerTask('default', ['concat', 'uglify']);
    grunt.registerTask('dev-watch', ['concat', 'uglify' ]);
    grunt.registerTask('update-version', ['shell:bumbVersion']);
    grunt.registerTask('deploy', ['concat', 'uglify', 'shell:pkg', 'shell:scp', 'shell:rmPkg', 'shell:deploy']);
};