/*
 *
 * (c) Copyright Ascensio System SIA 2010-2020
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */
/**
 *  FormulaWizard.js
 *
 *  Created by Julia Radzhabova on 17.04.20
 *  Copyright (c) 2020 Ascensio System SIA. All rights reserved.
 *
 */

define([
    'common/main/lib/component/Window',
    'common/main/lib/component/MetricSpinner'
], function () { 'use strict';

    SSE.Views.FormulaWizard = Common.UI.Window.extend(_.extend({
        options: {
            width: 420,
            height: 460,
            header: true,
            style: 'min-width: 350px;',
            cls: 'modal-dlg',
            buttons: ['ok', 'cancel']
        },

        initialize : function(options) {
            _.extend(this.options, {
                title: this.textTitle
            }, options || {});

            this.template = [
                '<div class="box" style="height:' + (this.options.height-103) + 'px;">',
                    '<label id="formula-wizard-name" style="display: block;margin-bottom: 8px"></label>',
                    '<div style="height: 220px; overflow: hidden;position: relative; margin-bottom: 8px;">',
                    '<table cols="2" id="formula-wizard-tbl-args" style="width: 100%;margin-bottom: 8px;">',
                    '</table>',
                    '</div>',
                    '<label id="formula-wizard-value" style="display: block;margin-bottom: 8px"></label>',
                    '<label id="formula-wizard-arg-desc" style="display: block;margin-bottom: 8px"><b>Argument 1:</b> some argument description</label>',
                    '<label id="formula-wizard-args" style="display: block;margin-bottom: 4px"></label>',
                    '<label id="formula-wizard-desc" style="display: block;"></label>',
                '</div>',
                '<div class="separator horizontal"/>'
            ].join('');

            this.options.tpl = _.template(this.template)(this.options);
            this.props = this.options.props;
            this.funcprops = this.options.funcprops;
            this.api = this.options.api;
            this._noApply = false;
            this.args = [];

            Common.UI.Window.prototype.initialize.call(this, this.options);
        },

        render: function() {
            Common.UI.Window.prototype.render.call(this);

            this.txtArg1 = new Common.UI.InputFieldBtn({
                el          : $('#formula-wizard-txt-arg1'),
                style       : 'width: 100%;',
                allowBlank  : true,
                validateOnChange: false
            });

            this.txtArg2 = new Common.UI.InputFieldBtn({
                el          : $('#formula-wizard-txt-arg2'),
                style       : 'width: 100%;',
                allowBlank  : true,
                validateOnChange: false
            });

            var $window = this.getChild();
            $window.find('.dlg-btn').on('click', _.bind(this.onBtnClick, this));
            $window.find('input').on('keypress', _.bind(this.onKeyPress, this));

            this.scrollerY = new Common.UI.Scroller({
                el: $window.find('#formula-wizard-tbl-args').parent(),
                minScrollbarLength  : 20,
                alwaysVisibleY: this.scrollAlwaysVisible
            });
            this.scrollerY.scrollTop(0);

            this.afterRender();
        },

        afterRender: function() {
            this.setSettings();
        },

        _handleInput: function(state) {
            if (this.options.handler)
                this.options.handler.call(this, state, (state == 'ok') ? this.getSettings() : undefined);

            this.close();
        },

        onBtnClick: function(event) {
            this._handleInput(event.currentTarget.attributes['result'].value);
        },

        onKeyPress: function(event) {
            if (event.keyCode == Common.UI.Keys.RETURN) {
                this._handleInput('ok');
            }
        },

        setSettings: function () {
            if (this.funcprops) {
                var props = this.funcprops;
                props.args ? $('#formula-wizard-args').html('<b>' + props.name + '</b>' + props.args) : $('#formula-wizard-args').addClass('hidden');
                props.desc ? $('#formula-wizard-desc').text(props.desc) : $('#formula-wizard-desc').addClass('hidden');
            }
            if (this.props) {
                var me = this;

                // fill arguments
                var props = this.props;
                var result = props.asc_getFormulaResult();
                $('#formula-wizard-value').html('<b>' + this.textValue + ': </b>' + ((result!==undefined && result!==null)? result : ''));
                $('#formula-wizard-name').html('<b>' + this.textFunction + ': </b>' + props.name);

                var tbl = this.$window.find('#formula-wizard-tbl-args');
                var argtpl = '<tr><td colspan="2" style=""><label id="formula-wizard-lbl-name-arg{0}" class="input-label"></label></td></tr>' +
                            '<tr><td style="padding-right: 10px;padding-bottom: 8px;width: 100%;vertical-align: middle;"><div id="formula-wizard-txt-arg{0}"></div></td>' +
                            '<td style="padding-bottom: 8px;vertical-align: middle;"><div id="formula-wizard-lbl-val-arg{0}" class="input-label" style="margin-top: 1px;width: 150px;overflow: hidden;text-overflow: ellipsis;white-space: nowrap;"></div></td></tr>';
                var argmin = props.asc_getArgumentMin(),
                    argmax = props.asc_getArgumentMax(),
                    argres = props.asc_getArgumentsResult(),
                    argtype = props.asc_getArgumentsType(),
                    argcount = 0,
                    lasttype;
                for (var i=0; i<argmax; i++) {
                    var type = (argtype[i]==undefined) ? lasttype : argtype[i],
                        types = [];
                    if (type==undefined) break;
                    lasttype = type;

                    if (typeof type == 'object')
                        types = type;
                    else
                        types.push(type);
                    for (var j=0; j<types.length; j++) {
                        var div = $(Common.Utils.String.format(argtpl, argcount));
                        tbl.append(div);
                        var txt = new Common.UI.InputFieldBtn({
                            el          : div.find('#formula-wizard-txt-arg'+argcount),
                            validateOnBlur: false
                        }).on('changed:after', function(input, newValue, oldValue, e) {
                            if (newValue == oldValue) return;
                        });
                        this.args.push({
                            index: argcount,
                            lblName: div.find('#formula-wizard-lbl-name-arg'+argcount),
                            lblValue: div.find('#formula-wizard-lbl-val-arg'+argcount),
                            argInput: txt,
                            argName: 'Argument ' + (argcount+1),
                            argType: this.getArgType(types[j])
                        });
                        if (i<argmin)
                            this.args[argcount].lblName.html('<b>' + this.args[argcount].argName + '</b>');
                        else
                            this.args[argcount].lblName.html(this.args[argcount].argName);
                        this.args[argcount].lblValue.text(' = '+ (argres && (argres.length>argcount) && argres[argcount]!==null ? argres[argcount] : this.args[argcount].argType));
                        argcount++;
                    }
                    if (i>=argmin && (typeof type == 'object')) // show only one repeatable argument
                        break;
                }
                this.scrollerY.update();
            }
        },

        getArgType: function(type) {
            var str = '';
            switch (type) {
                case Asc.c_oAscFormulaArgumentType.number:
                    str = 'number';
                    break;
                case Asc.c_oAscFormulaArgumentType.text:
                    str = 'text';
                    break;
                case Asc.c_oAscFormulaArgumentType.reference:
                    str = 'reference';
                    break;
                case Asc.c_oAscFormulaArgumentType.any:
                    str = 'any';
                    break;
                case Asc.c_oAscFormulaArgumentType.logical:
                    str = 'logical';
                    break;
            }
            return str;
        },

        getSettings: function() {
            return {};
        },

        close: function () {
            Common.UI.Window.prototype.close.call(this);
            this.api.asc_closeCellEditor(true);
        },

        textTitle: 'Function Argumens',
        textValue: 'Formula result',
        textFunction: 'Function'

    }, SSE.Views.FormulaWizard || {}))
});