/*jshint node: true */
'use strict';


module.exports = function (make) {

    var path = require('path'),

        pkg = require('./package.json'),

        root = path.resolve(__dirname),
        src = path.join(root, 'src'),
        build = path.join(root, 'build'),

        $ = make.fQuery,
        mapSrc = $.map.p(src, build).s('.less', '.css').s('.jade', ''),
        mapRoot = $.map.p(root, path.join(build, '_h5ai')),

        // bad hack
        getBuildSuffix = function (callback) {

            var child_process = require('child_process');

            child_process.exec('git rev-list v' + pkg.version + '..HEAD', {cwd: root}, function (err, out) {

                try {
                    var lines = out.trim().split(/\r?\n/);
                    callback('+' + lines.length + '~' + lines[0].substring(0, 7));
                } catch (e) {
                    callback('+X');
                }
            });
        };


    make.version('>=0.10.0');
    make.defaults('release');


    make.target('check-version', [], 'add git info to dev builds').async(function (done, fail) {

        if (!pkg.develop) {
            done();
            return;
        }

        getBuildSuffix(function (result) {

            pkg.version += result;
            $.info({ method: 'check-version', message: 'version set to ' + pkg.version });
            done();
        });
    });


    make.target('clean', [], 'delete build folder').sync(function () {

        $.DELETE(build);
    });


    make.target('lint', [], 'lint all JavaScript files with JSHint').sync(function () {

        var jshint = {
                // Enforcing Options
                bitwise: true,
                curly: true,
                eqeqeq: true,
                forin: true,
                latedef: true,
                newcap: true,
                noempty: true,
                plusplus: true,
                trailing: true,
                undef: true,

                // Environments
                browser: true
            },
            globals = {
                'modulejs': true
            };

        $(src + '/_h5ai/client/js: **/*.js, ! lib/**')
            .jshint(jshint, globals);
    });


    make.target('build', ['check-version'], 'build all updated files').sync(function () {

        var env = {pkg: pkg};
        var header = '/* ' + pkg.name + ' ' + pkg.version + ' - ' + pkg.homepage + ' */\n';

        $(src + ': _h5ai/client/js/*.js')
            .newerThan(mapSrc, $(src + ': _h5ai/client/js/**'))
            .includify()
            .uglifyjs()
            .wrap(header)
            .WRITE(mapSrc);

        $(src + ': _h5ai/client/css/*.less')
            .newerThan(mapSrc, $(src + ': _h5ai/client/css/**'))
            .less()
            .cssmin()
            .wrap(header)
            .WRITE(mapSrc);

        $(src + ': **/*.jade')
            .newerThan(mapSrc)
            .handlebars(env)
            .jade()
            .WRITE(mapSrc);

        $(src + ': **, ! _h5ai/client/js/**, ! _h5ai/client/css/**, ! **/*.jade')
            .newerThan(mapSrc)
            .handlebars(env)
            .WRITE(mapSrc);

        $(src + ': _h5ai/client/css/fonts/**')
            .newerThan(mapSrc)
            .WRITE(mapSrc);

        $(root + ': *.md')
            .newerThan(mapRoot)
            .WRITE(mapRoot);
    });


    make.target('build-uncompressed', ['check-version'], 'build all updated files without compression').sync(function () {

        var env = {pkg: pkg};
        var header = '/* ' + pkg.name + ' ' + pkg.version + ' - ' + pkg.homepage + ' */\n';

        $(src + ': _h5ai/client/js/*.js')
            .newerThan(mapSrc, $(src + ': _h5ai/client/js/**'))
            .includify()
            // .uglifyjs()
            .wrap(header)
            .WRITE(mapSrc);

        $(src + ': _h5ai/client/css/*.less')
            .newerThan(mapSrc, $(src + ': _h5ai/client/css/**'))
            .less()
            // .cssmin()
            .wrap(header)
            .WRITE(mapSrc);

        $(src + ': **/*.jade')
            .newerThan(mapSrc)
            .handlebars(env)
            .jade()
            .WRITE(mapSrc);

        $(src + ': **, ! _h5ai/client/js/**, ! _h5ai/client/css/**, ! **/*.jade')
            .newerThan(mapSrc)
            .handlebars(env)
            .WRITE(mapSrc);

        $(src + ': _h5ai/client/css/fonts/**')
            .newerThan(mapSrc)
            .WRITE(mapSrc);

        $(root + ': *.md')
            .newerThan(mapRoot)
            .WRITE(mapRoot);
    });


    make.target('release', ['clean', 'build'], 'create a zipball').async(function (done, fail) {

        $(build + ': **').shzip({
            target: path.join(build, pkg.name + '-' + pkg.version + '.zip'),
            dir: build,
            callback: done
        });
    });
};