/************************************************************************
 * 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/.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

define('views/fields/formula', 'views/fields/text', function (Dep) {

    return Dep.extend({

        detailTemplate: 'fields/formula/detail',

        editTemplate: 'fields/formula/edit',

        height: 300,

        maxLineDetailCount: 80,

        maxLineEditCount: 200,

        events: {
            'click [data-action="addAttribute"]': function () {
                this.addAttribute();
            },
            'click [data-action="addFunction"]': function () {
                this.addFunction();
            }
        },

        setup: function () {
            Dep.prototype.setup.call(this);

            this.height = this.options.height || this.params.height || this.height;

            this.maxLineDetailCount = this.options.maxLineDetailCount || this.params.maxLineDetailCount || this.maxLineDetailCount;
            this.maxLineEditCount = this.options.maxLineEditCount || this.params.maxLineEditCount || this.maxLineEditCount;

            this.targetEntityType = this.options.targetEntityType || this.params.targetEntityType || this.targetEntityType;

            this.insertDisabled = this.options.insertDisabled;

            this.containerId = 'editor-' + Math.floor((Math.random() * 10000) + 1).toString();

            if (this.mode == 'edit' || this.mode == 'detail') {
                this.wait(true);
                Promise.all([
                    new Promise(function (resolve) {
                        Espo.loader.load('lib!client/lib/ace/ace.js', function () {
                            Espo.loader.load('lib!client/lib/ace/mode-javascript.js', function () {
                                resolve();
                            }.bind(this));
                        }.bind(this));
                    }.bind(this))
                ]).then(function () {
                    ace.config.set("basePath", this.getBasePath() + 'client/lib/ace');
                    this.wait(false);
                }.bind(this));
            }

            this.on('remove', function () {
                if (this.editor) {
                    this.editor.destroy();
                }
            }, this);
        },

        data: function () {
            var data = Dep.prototype.data.call(this);
            data.containerId = this.containerId;
            data.targetEntityType = this.targetEntityType;
            data.hasInsert = !this.insertDisabled;

            return data;
        },

        afterRender: function () {
            Dep.prototype.setup.call(this);

            this.$editor = this.$el.find('#' + this.containerId);

            if (this.$editor.length && (this.mode === 'edit' || this.mode == 'detail' || this.mode == 'list')) {
                this.$editor
                    .css('fontSize', '14px');

                if (this.mode === 'edit') {
                    this.$editor.css('minHeight', this.height + 'px');
                }
                var editor = this.editor = ace.edit(this.containerId);

                editor.setOptions({
                    maxLines: this.mode === 'edit' ? this.maxLineEditCount : this.maxLineDetailCount
                });

                if (this.isEditMode()) {
                    editor.getSession().on('change', function () {
                        this.trigger('change', {ui: true});
                    }.bind(this));
                }

                if (this.isReadMode()) {
                    editor.setReadOnly(true);
                    editor.renderer.$cursorLayer.element.style.display = "none";
                    editor.renderer.setShowGutter(false);
                }

                editor.setShowPrintMargin(false);
                editor.getSession().setUseWorker(false);
                editor.commands.removeCommand('find');
                editor.setHighlightActiveLine(false);

                var JavaScriptMode = ace.require("ace/mode/javascript").Mode;
                editor.session.setMode(new JavaScriptMode());
            }
        },

        fetch: function () {
            var data = {};
            data[this.name] = this.editor.getValue()

            return data;
        },

        addAttribute: function () {
            this.createView('dialog', 'views/admin/formula/modals/add-attribute', {
                scope: this.targetEntityType
            }, function (view) {
                view.render();
                this.listenToOnce(view, 'add', function (attribute) {
                    this.editor.insert(attribute);
                    this.clearView('dialog');
                }, this);
            }, this);
        },

        addFunction: function () {
            this.createView('dialog', 'views/admin/formula/modals/add-function', {
                scope: this.targetEntityType
            }, function (view) {
                view.render();
                this.listenToOnce(view, 'add', function (string) {
                    this.editor.insert(string);
                    this.clearView('dialog');
                }, this);
            }, this);
        },

    });
});
