/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM - Open Source CRM application.
 * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
 * Website: https://www.espocrm.com
 *
 * EspoCRM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * EspoCRM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
 ************************************************************************/

 /**
  * * `grunt` - full build
  * * `grunt dev` - build only items needed for development (takes less time)
  * * `grunt offline` - build but skip *composer install*
  * * `grant release` - full build plus upgrade packages`
  * * `grant test` - build for test running
  * * `grant run-tests` - build and run unit and integratino tests
  */

module.exports = function (grunt) {

    var jsFilesToMinify = [
        'client/lib/jquery-2.1.4.min.js',
        'client/lib/underscore-min.js',
        'client/lib/es6-promise.min.js',
        'client/lib/backbone-min.js',
        'client/lib/handlebars.js',
        'client/lib/base64.js',
        'client/lib/jquery-ui.min.js',
        'client/lib/jquery.ui.touch-punch.min.js',
        'client/lib/moment.min.js',
        'client/lib/moment-timezone.min.js',
        'client/lib/moment-timezone-data.js',
        'client/lib/jquery.timepicker.min.js',
        'client/lib/jquery.autocomplete.js',
        'client/lib/bootstrap.min.js',
        'client/lib/bootstrap-datepicker.js',
        'client/lib/bull.js',
        'client/lib/marked.min.js',
        'client/lib/autobahn.js',

        'client/src/namespace.js',
        'client/src/exceptions.js',
        'client/src/loader.js',
        'client/src/utils.js',

        'client/src/acl.js',
        'client/src/model.js',
        'client/src/model-offline.js',
        'client/src/ajax.js',
        'client/src/controller.js',

        'client/src/ui.js',
        'client/src/acl-manager.js',
        'client/src/cache.js',
        'client/src/storage.js',
        'client/src/models/settings.js',
        'client/src/language.js',
        'client/src/metadata.js',
        'client/src/field-manager.js',
        'client/src/models/user.js',
        'client/src/models/preferences.js',
        'client/src/model-factory.js',
        'client/src/collection-factory.js',
        'client/src/pre-loader.js',
        'client/src/controllers/base.js',
        'client/src/router.js',
        'client/src/date-time.js',
        'client/src/layout-manager.js',
        'client/src/theme-manager.js',
        'client/src/session-storage.js',
        'client/src/view-helper.js',
        'client/src/page-title.js',

        'client/src/app.js'
    ];

    function camelCaseToHyphen (string){
        if (string == null) {
            return string;
        }
        return string.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
    }

    var fs = require('fs');
    var cp = require('child_process');
    var path = require('path');

    var currentPath = path.dirname(fs.realpathSync(__filename));

    var themeList = [];
    fs.readdirSync('application/Espo/Resources/metadata/themes').forEach(function (file) {
        themeList.push(file.substr(0, file.length - 5));
    });

    var cssminFilesData = {};
    var lessData = {};
    themeList.forEach(function (theme) {
        var name = camelCaseToHyphen(theme);
        var files = {};
        files['client/css/espo/'+name+'.css'] = 'frontend/less/'+name+'/main.less';
        files['client/css/espo/'+name+'-iframe.css'] = 'frontend/less/'+name+'/iframe/main.less';

        cssminFilesData['client/css/espo/'+name+'.css'] = 'client/css/espo/'+name+'.css';
        cssminFilesData['client/css/espo/'+name+'-iframe.css'] = 'client/css/espo/'+name+'-iframe.css';
        var o = {
            options: {
                yuicompress: true,
            },
            files: files
        };
        lessData[theme] = o;
    });

    var pkg = grunt.file.readJSON('package.json');

    grunt.initConfig({
        pkg: pkg,

        mkdir: {
            tmp: {
                options: {
                    mode: 0755,
                    create: [
                        'build/tmp',
                    ]
                },

            }
        },
        clean: {
            start: ['build/EspoCRM-*'],
            final: ['build/tmp'],
            release: ['build/EspoCRM-' + pkg.version],
            beforeFinal: {
                src: [
                    'build/tmp/custom/Espo/Custom/*',
                    '!build/tmp/custom/Espo/Custom/.htaccess',
                    'build/tmp/install/config.php',
                ]
            }
        },
        less: lessData,
        cssmin: {
            themes: {
                files: cssminFilesData
            }
        },
        uglify: {
            options: {
                mangle: false,
                sourceMap: true,
                banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n',
            },
            'build/tmp/client/espo.min.js': jsFilesToMinify.map(function (item) {
                return '' + item;
            })
        },
        copy: {
            options: {
                mode: true,
            },
            frontendFolders: {
                expand: true,
                cwd: 'client',
                src: [
                    'src/**',
                    'res/**',
                    'fonts/**',
                    'cfg/**',
                    'modules/**',
                    'img/**',
                    'css/**',
                    'sounds/**',
                    'custom/**'
                ],
                dest: 'build/tmp/client',
            },
            frontendLib: {
                expand: true,
                dot: true,
                cwd: 'client/lib',
                src: '**',
                dest: 'build/tmp/client/lib/',
            },
            backend: {
                expand: true,
                dot: true,
                src: [
                    'api/**',
                    'application/**',
                    'custom/**',
                    'data/.data',
                    'install/**',
                    'portal/**',
                    'vendor/**',
                    'html/**',
                    'bootstrap.php',
                    'cron.php',
                    'daemon.php',
                    'rebuild.php',
                    'clear_cache.php',
                    'upgrade.php',
                    'extension.php',
                    'websocket.php',
                    'command.php',
                    'oauth-callback.php',
                    'index.php',
                    'LICENSE.txt',
                    '.htaccess',
                    'web.config',
                ],
                dest: 'build/tmp/',
            },
            final: {
                expand: true,
                dot: true,
                src: '**',
                cwd: 'build/tmp',
                dest: 'build/EspoCRM-<%= pkg.version %>/',
            },
        },
        chmod: {
            php: {
                options: {
                    mode: '644'
                },
                src: [
                    'build/EspoCRM-<%= pkg.version %>/**/*.php',
                    'build/EspoCRM-<%= pkg.version %>/**/*.json',
                    'build/EspoCRM-<%= pkg.version %>/**/*.config',
                    'build/EspoCRM-<%= pkg.version %>/**/.htaccess',
                    'build/EspoCRM-<%= pkg.version %>/client/**/*.js',
                    'build/EspoCRM-<%= pkg.version %>/client/**/*.css',
                    'build/EspoCRM-<%= pkg.version %>/client/**/*.tpl',
                    'build/EspoCRM-<%= pkg.version %>/**/*.html',
                    'build/EspoCRM-<%= pkg.version %>/**/*.txt',
                ]
            },
            folders: {
                options: {
                    mode: '755'
                },
                src: [
                    'build/EspoCRM-<%= pkg.version %>/install',
                    'build/EspoCRM-<%= pkg.version %>/portal',
                    'build/EspoCRM-<%= pkg.version %>/api',
                    'build/EspoCRM-<%= pkg.version %>/api/v1',
                    'build/EspoCRM-<%= pkg.version %>/api/v1/portal-access',
                    'build/EspoCRM-<%= pkg.version %>',
                ]
            },
            foldersWritable: {
                options: {
                    mode: '775'
                },
                src: [
                    'build/EspoCRM-<%= pkg.version %>/data',
                    'build/EspoCRM-<%= pkg.version %>/custom',
                    'build/EspoCRM-<%= pkg.version %>/custom/Espo',
                    'build/EspoCRM-<%= pkg.version %>/custom/Espo/Custom',
                    'build/EspoCRM-<%= pkg.version %>/client/custom',
                    'build/EspoCRM-<%= pkg.version %>/client/modules',
                    'build/EspoCRM-<%= pkg.version %>/application/Espo/Modules',
                ]
            },
        },
        replace: {
            version: {
                options: {
                    patterns: [
                        {
                            match: 'version',
                            replacement: '<%= pkg.version %>'
                        }
                    ]
                },
                files: [
                    {
                        src: 'build/tmp/application/Espo/Core/defaults/config.php',
                        dest: 'build/tmp/application/Espo/Core/defaults/config.php'
                    }
                ]
            }
        },
    });

    grunt.registerTask("chmod-folders", function() {
        cp.execSync("find . -type d -exec chmod 755 {} + ", {stdio: 'ignore', cwd: 'build/EspoCRM-' + pkg.version});
    });

    grunt.registerTask("composer", function() {
        cp.execSync("composer install --ignore-platform-reqs --no-dev", {stdio: 'ignore'});
    });

    grunt.registerTask("composer-dev", function() {
        cp.execSync("composer install --ignore-platform-reqs", {stdio: 'ignore'});
    });

    grunt.registerTask("upgrade", function() {
        cp.execSync("node diff --all --vendor", {stdio: 'inherit'});
    });

    grunt.registerTask("unit-tests-run", function() {
        cp.execSync("vendor/bin/phpunit --bootstrap=./vendor/autoload.php tests/unit", {stdio: 'inherit'});
    });

    grunt.registerTask("integration-tests-run", function() {
        cp.execSync("vendor/bin/phpunit --bootstrap=./vendor/autoload.php tests/integration", {stdio: 'inherit'});
    });

    grunt.registerTask("zip", function() {
        var fs = require('fs');

        var resolve = this.async();

        var folder = 'EspoCRM-' + pkg.version;

        var zipPath = 'build/' + folder +'.zip';
        if (fs.existsSync(zipPath)) fs.unlinkSync(zipPath);

        var archiver = require('archiver');
        var archive = archiver('zip');

        archive.on('error', function (err) {
            grunt.fail.warn(err);
        });
        var zipOutput = fs.createWriteStream(zipPath);
        zipOutput.on('close', function () {
            console.log("EspoCRM package has been built.");
            resolve();
        });

        archive.directory(currentPath + '/build/' + folder, folder).pipe(zipOutput);

        archive.finalize();
    });

    grunt.loadNpmTasks('grunt-contrib-clean');
    grunt.loadNpmTasks('grunt-mkdir');
    grunt.loadNpmTasks('grunt-contrib-less');
    grunt.loadNpmTasks('grunt-contrib-cssmin');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-copy');
    grunt.loadNpmTasks('grunt-replace');
    grunt.loadNpmTasks('grunt-chmod');

    grunt.registerTask('offline', [
        'clean:start',
        'mkdir:tmp',
        'less',
        'cssmin',
        'uglify',
        'copy:frontendFolders',
        'copy:frontendLib',
        'copy:backend',
        'replace',
        'clean:beforeFinal',
        'copy:final',
        'chmod-folders',
        'chmod:php',
        'chmod:folders',
        'chmod:foldersWritable',
        'clean:final',
    ]);

    grunt.registerTask('default', [
        'composer',
        'offline',
    ]);

    grunt.registerTask('release', [
        'default',
        'upgrade',
        'zip',
        'clean:release',
    ]);

    grunt.registerTask('run-tests', [
        'test',
        'unit-tests-run',
        'integration-tests-run',
    ]);

    grunt.registerTask('run-unit-tests', [
        'composer-dev',
        'unit-tests-run',
    ]);

    grunt.registerTask('run-integration-tests', [
        'test',
        'integration-tests-run',
    ]);

    grunt.registerTask('dev', [
        'composer-dev',
        'less',
    ]);

    grunt.registerTask('test', [
        'composer-dev',
        'offline',
    ]);
};