/*
 *
 * (c) Copyright Ascensio System Limited 2010-2016
 *
 * 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 Lubanas st. 125a-25, Riga, Latvia,
 * EU, LV-1021.
 *
 * 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
 *
 */

/**
 *  EditShape.js
 *  Presentation Editor
 *
 *  Created by Julia Radzhabova on 11/25/16
 *  Copyright (c) 2016 Ascensio System SIA. All rights reserved.
 *
 */

define([
    'core',
    'presentationeditor/mobile/app/view/edit/EditShape',
    'jquery',
    'underscore',
    'backbone'
], function (core, view, $, _, Backbone) {
    'use strict';

    PE.Controllers.EditShape = Backbone.Controller.extend(_.extend((function() {
        // Private
        var _stack = [],
            _shapeObject = undefined,
            _metricText = Common.Utils.Metric.getCurrentMetricName();

        var borderSizeTransform = (function() {
            var _sizes = [0, 0.5, 1, 1.5, 2.25, 3, 4.5, 6];

            return {
                sizeByIndex: function (index) {
                    if (index < 1) return _sizes[0];
                    if (index > _sizes.length - 1) return _sizes[_sizes.length - 1];
                    return _sizes[index];
                },

                sizeByValue: function (value) {
                    var index = 0;
                    _.each(_sizes, function (size, idx) {
                        if (Math.abs(size - value) < 0.25) {
                            index = idx;
                        }
                    });
                    return _sizes[index];
                }
            }
        })();

        return {
            models: [],
            collections: [],
            views: [
                'EditShape'
            ],

            initialize: function () {
                Common.NotificationCenter.on('editcontainer:show', _.bind(this.initEvents, this));

                this.addListeners({
                    'EditShape': {
                        'page:show': this.onPageShow
                    }
                });
            },

            setApi: function (api) {
                var me = this;
                me.api = api;

                me.api.asc_registerCallback('asc_onFocusObject', _.bind(me.onApiFocusObject, me));
            },

            onLaunch: function () {
                this.createView('EditShape').render();
            },

            initEvents: function () {
                var me = this;

                $('#shape-remove').single('click', _.bind(me.onRemoveShape, me));

                me.initSettings();
            },

            onPageShow: function (view, pageId) {
                var me = this;

                $('.shape-reorder a').single('click',                       _.bind(me.onReorder, me));
                $('.shape-replace li').single('click',                      _.buffered(me.onReplace, 100, me));

                $('#edit-shape-bordersize input').single('change touchend', _.buffered(me.onBorderSize, 100, me));
                $('#edit-shape-bordersize input').single('input',        _.bind(me.onBorderSizeChanging, me));
                $('#edit-shape-effect input').single('change touchend',     _.buffered(me.onOpacity, 100, me));
                $('#edit-shape-effect input').single('input',               _.bind(me.onOpacityChanging, me));

                me.initSettings(pageId);
            },

            initSettings: function (pageId) {
                var me = this;

                // me.api && me.api.UpdateInterfaceState();

                if (_shapeObject) {
                    if (pageId == '#edit-shape-style' || pageId == '#edit-shape-border-color-view') {
                        me._initStyleView();
                    }
                }
            },

            _initStyleView: function () {
                var me = this,
                    paletteFillColor = me.getView('EditShape').paletteFillColor,
                    paletteBorderColor = me.getView('EditShape').paletteBorderColor;

                // Init style border size
                var borderSize = _shapeObject.get_stroke().get_width() * 72.0 / 25.4;
                $('#edit-shape-bordersize input').val([borderSizeTransform.sizeByIndex(borderSize)]);
                $('#edit-shape-bordersize .item-after').text(borderSizeTransform.sizeByValue(borderSize) + ' ' + _metricText);

                // Init style opacity
                $('#edit-shape-effect input').val([_shapeObject.get_fill().transparent ? _shapeObject.get_fill().transparent / 2.55 : 100]);
                $('#edit-shape-effect .item-after').text($('#edit-shape-effect input').val() + ' ' + "%");

                paletteFillColor && paletteFillColor.on('select',       _.bind(me.onFillColor, me));
                paletteBorderColor && paletteBorderColor.on('select',   _.bind(me.onBorderColor, me));

                var sdkColor, color;

                // Init fill color
                var fill = _shapeObject.get_fill(),
                    fillType = fill.get_type();

                color = 'transparent';

                if (fillType == Asc.c_oAscFill.FILL_TYPE_SOLID) {
                    fill = fill.get_fill();
                    sdkColor = fill.get_color();

                    if (sdkColor) {
                        if (sdkColor.get_type() == Asc.c_oAscColor.COLOR_TYPE_SCHEME) {
                            color = {color: Common.Utils.ThemeColor.getHexColor(sdkColor.get_r(), sdkColor.get_g(), sdkColor.get_b()), effectValue: sdkColor.get_value()};
                        } else {
                            color = Common.Utils.ThemeColor.getHexColor(sdkColor.get_r(), sdkColor.get_g(), sdkColor.get_b());
                        }
                    }
                }

                paletteFillColor && paletteFillColor.select(color);

                // Init border color
                var stroke = _shapeObject.get_stroke(),
                    strokeType = stroke.get_type();

                color = 'transparent';

                if (stroke && strokeType == Asc.c_oAscStrokeType.STROKE_COLOR) {
                    sdkColor = stroke.get_color();

                    if (sdkColor) {
                        if (sdkColor.get_type() == Asc.c_oAscColor.COLOR_TYPE_SCHEME) {
                            color = {color: Common.Utils.ThemeColor.getHexColor(sdkColor.get_r(), sdkColor.get_g(), sdkColor.get_b()), effectValue: sdkColor.get_value()};
                        }
                        else {
                            color = Common.Utils.ThemeColor.getHexColor(sdkColor.get_r(), sdkColor.get_g(), sdkColor.get_b());
                        }
                    }
                }

                paletteBorderColor && paletteBorderColor.select(color);
                $('#edit-shape-bordercolor .color-preview').css('background-color', ('transparent' == color) ? color : ('#' + (_.isObject(color) ? color.color : color)))
            },

            // Public

            getShape: function () {
                return _shapeObject;
            },

            // Handlers

            onRemoveShape: function () {
                this.api.asc_Remove();
                PE.getController('EditContainer').hideModal();
            },

            onReorder: function (e) {
                var $target = $(e.currentTarget),
                    type = $target.data('type');

                if ('all-up' == type) {
                    this.api.shapes_bringToFront();
                } else if ('all-down' == type) {
                    this.api.shapes_bringToBack();
                } else if ('move-up' == type) {
                    this.api.shapes_bringForward();
                } else if ('move-down' == type) {
                    this.api.shapes_bringBackward();
                }
            },

            onReplace: function (e) {
                var $target = $(e.currentTarget),
                    type = $target.data('type');

                this.api.ChangeShapeType(type);
            },

            onBorderSize: function (e) {
                var me = this,
                    $target = $(e.currentTarget),
                    value = $target.val(),
                    shape = new Asc.asc_CShapeProperty(),
                    stroke = new Asc.asc_CStroke(),
                    currentColor = Common.Utils.ThemeColor.getRgbColor('000000');

                value = borderSizeTransform.sizeByIndex(parseInt(value));

                var currentStroke = _shapeObject.get_stroke();

                if (currentStroke) {
                    var currentStrokeType = currentStroke.get_type();

                    if (currentStrokeType == Asc.c_oAscStrokeType.STROKE_COLOR) {
                        currentColor = currentStroke.get_color();
                    }
                }

                if (value < 0.01) {
                    stroke.put_type(Asc.c_oAscStrokeType.STROKE_NONE);
                } else {
                    stroke.put_type(Asc.c_oAscStrokeType.STROKE_COLOR);
                    stroke.put_color(currentColor);
                    stroke.asc_putPrstDash(currentStroke.asc_getPrstDash());
                    stroke.put_width(value * 25.4 / 72.0);
                }

                shape.put_stroke(stroke);

                me.api.ShapeApply(shape);
            },

            onBorderSizeChanging: function (e) {
                var $target = $(e.currentTarget);
                $('#edit-shape-bordersize .item-after').text(borderSizeTransform.sizeByIndex($target.val()) + ' ' + _metricText);
            },

            onOpacity: function (e) {
                var me = this,
                    $target = $(e.currentTarget),
                    value = $target.val(),
                    fill = new Asc.asc_CShapeFill(),
                    shape = new Asc.asc_CShapeProperty();

                fill.put_transparent(parseInt(value * 2.55));
                shape.put_fill(fill);

                me.api.ShapeApply(shape);
            },

            onOpacityChanging: function (e) {
                var $target = $(e.currentTarget);
                $('#edit-shape-effect .item-after').text($target.val() + ' %');
            },

            onFillColor: function(palette, color) {
                var me = this;

                if (me.api) {
                    var shape = new Asc.asc_CShapeProperty(),
                        fill = new Asc.asc_CShapeFill();

                    if (color == 'transparent') {
                        fill.put_type(Asc.c_oAscFill.FILL_TYPE_NOFILL);
                        fill.put_fill(null);
                    } else {
                        fill.put_type(Asc.c_oAscFill.FILL_TYPE_SOLID);
                        fill.put_fill(new Asc.asc_CFillSolid());
                        fill.get_fill().put_color(Common.Utils.ThemeColor.getRgbColor(color));
                    }

                    shape.put_fill(fill);

                    me.api.ShapeApply(shape);
                }
            },

            onBorderColor: function (palette, color) {
                var me = this;

                $('#edit-shape-bordercolor .color-preview').css('background-color', ('transparent' == color) ? color : ('#' + (_.isObject(color) ? color.color : color)));

                if (me.api && _shapeObject) {
                    var shape = new Asc.asc_CShapeProperty(),
                        stroke = new Asc.asc_CStroke();

                    if (_shapeObject.get_stroke().get_width() < 0.01) {
                        stroke.put_type(Asc.c_oAscStrokeType.STROKE_NONE);
                    } else {
                        stroke.put_type(Asc.c_oAscStrokeType.STROKE_COLOR);
                        stroke.put_color(Common.Utils.ThemeColor.getRgbColor(color));
                        stroke.put_width(_shapeObject.get_stroke().get_width());
                        stroke.asc_putPrstDash(_shapeObject.get_stroke().asc_getPrstDash());
                    }

                    shape.put_stroke(stroke);

                    me.api.ShapeApply(shape);
                }
            },

            // API handlers

            onApiFocusObject: function (objects) {
                _stack = objects;

                var shapes = [];

                _.each(_stack, function (object) {
                    if (object.get_ObjectType() == Asc.c_oAscTypeSelectElement.Shape) {
                        shapes.push(object);
                    }
                });

                if (shapes.length > 0) {
                    var object = shapes[shapes.length - 1]; // get top shape
                    _shapeObject = object.get_ObjectValue();
                } else {
                    _shapeObject = undefined;
                }
            },

            // Helpers

            _closeIfNeed: function () {
                if (!this._isShapeInStack()) {
                    PE.getController('EditContainer').hideModal();
                }
            },

            _isShapeInStack: function () {
                var shapeExist = false;

                _.some(_stack, function(object) {
                    if (object.get_ObjectType() == Asc.c_oAscTypeSelectElement.Shape) {
                        shapeExist = true;
                        return true;
                    }
                });

                return shapeExist;
            }
        };
    })(), PE.Controllers.EditShape || {}))
});