/* 

 *  Copyright 2012-2013 Institut de recherche et d'innovation 

 *  contributor(s) : Yves-Marie Haussonne, Raphael Velt, Samuel Huron

 *   

 *  contact@iri.centrepompidou.fr

 *  http://www.iri.centrepompidou.fr 

 *   

 *  This software is a computer program whose purpose is to show and add annotations on a video .

 *  This software is governed by the CeCILL-C license under French law and

 *  abiding by the rules of distribution of free software. You can  use, 

 *  modify and/ or redistribute the software under the terms of the CeCILL-C

 *  license as circulated by CEA, CNRS and INRIA at the following URL

 *  "http://www.cecill.info". 

 *  

 *  The fact that you are presently reading this means that you have had

 *  knowledge of the CeCILL-C license and that you accept its terms.

*/

/* Declaring the Renkan Namespace Rkns and Default values */

if (typeof Rkns !== "object") {

    Rkns = {};

}

Rkns.$ = jQuery;

Rkns._ = _;

Rkns.VERSION = '0.2';

Rkns.pickerColors = ["#8f1919", "#a80000", "#d82626", "#ff0000", "#e87c7c", "#ff6565", "#f7d3d3", "#fecccc",

    "#8f5419", "#a85400", "#d87f26", "#ff7f00", "#e8b27c", "#ffb265", "#f7e5d3", "#fee5cc",

    "#8f8f19", "#a8a800", "#d8d826", "#feff00", "#e8e87c", "#feff65", "#f7f7d3", "#fefecc",

    "#198f19", "#00a800", "#26d826", "#00ff00", "#7ce87c", "#65ff65", "#d3f7d3", "#ccfecc",

    "#198f8f", "#00a8a8", "#26d8d8", "#00feff", "#7ce8e8", "#65feff", "#d3f7f7", "#ccfefe",

    "#19198f", "#0000a8", "#2626d8", "#0000ff", "#7c7ce8", "#6565ff", "#d3d3f7", "#ccccfe",

    "#8f198f", "#a800a8", "#d826d8", "#ff00fe", "#e87ce8", "#ff65fe", "#f7d3f7", "#feccfe",

    "#000000", "#242424", "#484848", "#6d6d6d", "#919191", "#b6b6b6", "#dadada", "#ffffff"];

Rkns._BaseBin = function(_renkan, _opts) {

    if (typeof _renkan !== "undefined") {

        this.renkan = _renkan;

        this.renkan.$.find(".Rk-Bin-Main").hide();

        this.$ = Rkns.$('<li>')

            .addClass("Rk-Bin")

            .appendTo(_renkan.$.find(".Rk-Bin-List"));

        this.title_icon_$ = Rkns.$('<span>')

            .addClass("Rk-Bin-Title-Icon")

            .appendTo(this.$);

        var _this = this;

        Rkns.$('<a>')

            .attr({

                href: "#",

                title: _renkan.translate("Close bin")

            })

            .addClass("Rk-Bin-Close")

            .html('×')

            .appendTo(this.$)

            .click(function() {

                _this.destroy();

                if (!_renkan.$.find(".Rk-Bin-Main:visible").length) {

                    _renkan.$.find(".Rk-Bin-Main:last").slideDown();

                }

                _renkan.resizeBins();

                return false;

            });

        Rkns.$('<a>')

            .attr({

                href: "#",

                title: _renkan.translate("Refresh bin")

            })

            .addClass("Rk-Bin-Refresh")

            .appendTo(this.$)

            .click(function() {

                _this.refresh();

                return false;

            });

        this.count_$ = Rkns.$('<div>')

            .addClass("Rk-Bin-Count")

            .appendTo(this.$);

        this.title_$ = Rkns.$('<h2>')

            .addClass("Rk-Bin-Title")

            .appendTo(this.$);

        this.main_$ = Rkns.$('<div>')

            .addClass("Rk-Bin-Main")

            .appendTo(this.$)

            .html('<h4 class="Rk-Bin-Loading">' + _renkan.translate("Loading, please wait") + '</h4>');

        this.title_$.html(_opts.title || '(new bin)');

        this.renkan.resizeBins();

        if (_opts.auto_refresh) {

            window.setInterval(function() {

                _this.refresh();

            },_opts.auto_refresh);

        }

    }

};

Rkns._BaseBin.prototype.destroy = function() {

    this.$.detach();

    this.renkan.resizeBins();

};

/* Point of entry */

Rkns.Renkan = function(_opts) {

    var _this = this;

    this.options = _.defaults(_opts, Rkns.defaults);

    Rkns._(this.options.property_files).each(function(f) {

        Rkns.$.getJSON(f, function(data) {

            _this.options.properties = _this.options.properties.concat(data);

        });

    });

    this.read_only = this.options.read_only || !this.options.editor_mode;

    this.project = new Rkns.Models.Project();

    if (typeof this.options.user_id !== "undefined") {

        this.current_user = this.options.user_id;

    }

    this.$ = Rkns.$("#" + this.options.container);

    this.$

        .addClass("Rk-Main")

        .html(this.template(this));

    this.renderer = new Rkns.Renderer.Scene(this);

    this.tabs = [];

    this.search_engines = [];

    this.current_user_list = new Rkns.Models.UsersList();

    if (!this.options.search.length) {

        this.$.find(".Rk-Web-Search-Form").detach();

    } else {

        var _tmpl = Rkns._.template('<li class="<%= className %>" data-key="<%= key %>"><%= title %></li>'),

            _select = this.$.find(".Rk-Search-List"),

            _input = this.$.find(".Rk-Web-Search-Input"),

            _form = this.$.find(".Rk-Web-Search-Form");

        Rkns._(this.options.search).each(function(_search, _key) {

            if (Rkns[_search.type] && Rkns[_search.type].Search) {

                _this.search_engines.push(new Rkns[_search.type].Search(_this, _search));

            }

        });

        _select.html(

            Rkns._(this.search_engines).map(function(_search, _key) {

                return _tmpl({

                    key: _key,

                    title: _search.getSearchTitle(),

                    className: _search.getBgClass()

                });

            }).join("")

        );

        _select.find("li").click(function() {

            var _el = Rkns.$(this);

            _this.setSearchEngine(_el.attr("data-key"));

            _form.submit();

        });

        _form.submit(function() {

            if (_input.val()) {

                var _search = _this.search_engine;

                _search.search(_input.val());

            }

            return false;

        });

        this.$.find(".Rk-Search-Current").mouseenter(

            function() { _select.slideDown(); }

        );

        this.$.find(".Rk-Search-Select").mouseleave(

            function() { _select.hide(); }

        );

        this.setSearchEngine(0);

    }

    Rkns._(this.options.bins).each(function(_bin) {

        if (Rkns[_bin.type] && Rkns[_bin.type].Bin) {

            _this.tabs.push(new Rkns[_bin.type].Bin(_this, _bin));

        }

    });

    var elementDropped = false;

    this.$.find(".Rk-Bins")

        .on("click",".Rk-Bin-Title,.Rk-Bin-Title-Icon", function() {

            var _mainDiv = Rkns.$(this).siblings(".Rk-Bin-Main");

            if (_mainDiv.is(":hidden")) {

                _this.$.find(".Rk-Bin-Main").slideUp();

                _mainDiv.slideDown();

            }

        }).on("mouseover", ".Rk-Bin-Item", function(_e) {

            var _t = Rkns.$(this);

            if (_t && $(_t).attr("data-uri")) {

                var _models = _this.project.get("nodes").where({

                    uri: $(_t).attr("data-uri")

                });

                Rkns._(_models).each(function(_model) {

                    _this.renderer.highlightModel(_model);

                });

            }

        }).mouseout(function() {

            _this.renderer.unhighlightAll();

        }).on("mousemove", ".Rk-Bin-Item", function(e) {

            try {

                this.dragDrop();

            }

            catch(err) {}

        }).on("touchstart", ".Rk-Bin-Item", function(e) {

            elementDropped = false;

        }).on("touchmove", ".Rk-Bin-Item", function(e) {

            e.preventDefault();

            var touch = e.originalEvent.changedTouches[0],

                off = _this.renderer.canvas_$.offset(),

                w = _this.renderer.canvas_$.width(),

                h = _this.renderer.canvas_$.height();

            if (touch.pageX >= off.left && touch.pageX < (off.left + w) && touch.pageY >= off.top && touch.pageY < (off.top + h)) {

                if (elementDropped) {

                    _this.renderer.onMouseMove(touch, true);

                } else {

                    elementDropped = true;

                    var div = document.createElement('div');

                    div.appendChild(this.cloneNode(true));

                    _this.renderer.dropData({"text/html": div.innerHTML}, touch);

                    _this.renderer.onMouseDown(touch, true);

                }

            }

        }).on("touchend", ".Rk-Bin-Item", function(e) {

            if (elementDropped) {

                _this.renderer.onMouseUp(e.originalEvent.changedTouches[0], true);

            }

            elementDropped = false;

        }).on("dragstart", ".Rk-Bin-Item", function(e) {

            var div = document.createElement('div');

            div.appendChild(this.cloneNode(true));

            try {

                e.originalEvent.dataTransfer.setData("text/html",div.innerHTML);

            }

            catch(err) {

                e.originalEvent.dataTransfer.setData("text",div.innerHTML);

            }

        });

    Rkns.$(window).resize(function() {

        _this.resizeBins();

    });

    this.$.find(".Rk-Bins-Search-Input").on("change keyup paste input", function() {

       var val = Rkns.$(this).val();

       Rkns._(_this.tabs).each(function(tab) {

           tab.render(val);

       });

    });

    this.$.find(".Rk-Bins-Search-Form").submit(function() {

        return false;

    });

};

Rkns.Renkan.prototype.template = Rkns._.template(

    '<% if (options.show_bins) { %><div class="Rk-Bins"><div class="Rk-Bins-Head"><h2 class="Rk-Bins-Title"><%- translate("Select contents:")%></h2>'

    + '<form class="Rk-Web-Search-Form Rk-Search-Form"><input class="Rk-Web-Search-Input Rk-Search-Input" type="search" placeholder="<%- translate("Search the Web") %>" />'

    + '<div class="Rk-Search-Select"><div class="Rk-Search-Current"></div><ul class="Rk-Search-List"></ul></div>'

    + '<input type="submit" value="" class="Rk-Web-Search-Submit Rk-Search-Submit" title="<%- translate("Search the Web") %>" /></form>'

    + '<form class="Rk-Bins-Search-Form Rk-Search-Form"><input class="Rk-Bins-Search-Input Rk-Search-Input" type="search" placeholder="<%- translate("Search in Bins") %>" />'

    + '<input type="submit" value="" class="Rk-Bins-Search-Submit Rk-Search-Submit" title="<%- translate("Search in Bins") %>" /></form></div>'

    + '<ul class="Rk-Bin-List"></ul></div><% } %><div class="Rk-Render Rk-Render-<% if (options.show_bins) { %>Panel<% } else { %>Full<% } %>"></div>'

);

Rkns.Renkan.prototype.translate = function(_text) {

    if (Rkns.i18n[this.options.language] && Rkns.i18n[this.options.language][_text]) {

        return Rkns.i18n[this.options.language][_text];

    }

    if (this.options.language.length > 2 && Rkns.i18n[this.options.language.substr(0,2)] && Rkns.i18n[this.options.language.substr(0,2)][_text]) {

        return Rkns.i18n[this.options.language.substr(0,2)][_text];

    }

    return _text;

};

Rkns.Renkan.prototype.onStatusChange = function() {

    this.renderer.onStatusChange();

};

Rkns.Renkan.prototype.setSearchEngine = function(_key) {

    this.search_engine = this.search_engines[_key];

    this.$.find(".Rk-Search-Current").attr("class","Rk-Search-Current " + this.search_engine.getBgClass());

};

Rkns.Renkan.prototype.resizeBins = function() {

    var _d = + this.$.find(".Rk-Bins-Head").outerHeight();

    this.$.find(".Rk-Bin-Title:visible").each(function() {

        _d += Rkns.$(this).outerHeight();

    });

    this.$.find(".Rk-Bin-Main").css({

        height: this.$.find(".Rk-Bins").height() - _d

    });

};

/* Utility functions */

Rkns.Utils = {

    _ID_AUTO_INCREMENT : 0,

    _ID_BASE : (function(_d) {

        function pad(n){return n<10 ? '0'+n : n;}

        function fillrand(n) {

            var _res = '';

            for (var i=0; i<n; i++) {

                _res += Math.floor(16*Math.random()).toString(16);

            }

            return _res;

        }

        return _d.getUTCFullYear() + '-'  

            + pad(_d.getUTCMonth()+1) + '-'  

            + pad(_d.getUTCDate()) + '-'