/**
 * График.
 * <code>this.props.datum</code> - данные в формате D3
 */
var NvLineChart = React.createClass({
    chart: null,
    d3ChartData: null,
    /*--------------------*/
    render: function(){return(
        ce('div', {id: 'chart'}, ce('svg', {style: {'height': '500px'}}))
    )},
    componentDidMount: function() {
        var _this = this;
        nv.addGraph(function() {
            _this.chart = nv.models.lineChart().useInteractiveGuideline(true);
            _this.chart.xAxis.axisLabel('Time').tickFormat(function(d){ return d3.time.format('%X')(new Date(d)); });
            _this.chart.yAxis.axisLabel('Players').tickFormat(d3.format('d'));

            _this.d3ChartData = d3.select('#chart svg').datum(_this.props.datum);
            _this.d3ChartData.transition().duration(500).call(_this.chart);

            nv.utils.windowResize(_this.chart.update);
            return _this.chart;
        });
    },
    componentDidUpdate: function() {
        if (this.d3ChartData === null) return;

        this.d3ChartData.datum(this.props.datum);
        this.d3ChartData.transition().duration(500).call(this.chart);
        nv.utils.windowResize(this.chart.update);
    },
    componentWillUnmount: function() {
        var nvtooltip = document.querySelector('div[class~="nvtooltip"]');
        if (nvtooltip !== null) {
            nvtooltip.parentElement.removeChild(nvtooltip)
        }
    }
});

var Tabs = React.createClass({
    onTabClick: function(idx){
        this.setState({ activeTab: idx });
    },
    /*--------------------*/
    getInitialState: function(){return{
        activeTab: 0
    }},
    render: function(){
        var _this = this;

        var tabsElm = [];
        this.props.tabs.forEach(function(title, i){
            tabsElm.push(ce('li', (i === _this.state.activeTab ? {className: 'active'} : null),
                ce('a', {href: '#tab'+(i+1), onClick: _this.onTabClick.bind(_this, i)}, title)));
        });

        var showElement = this.props.children.map(function(child, i){
            return ce('div', (i !== _this.state.activeTab ? {style: {display: 'none'}} : null), child);
        });

        return(ce('div', null,
            ce('ul', {className: 'nav nav-tabs', id: 'tabs'}, tabsElm),
            showElement
        ))
    },
    componentDidUpdate: function() {
        if (this.props.stateCallback !== null) {
            this.props.stateCallback(this.state.activeTab);
        }
    }
});

var WebConsole = React.createClass({
    ws: null,
    connect: function(){
        if (this.ws !== null) return;
        var _this = this;

        this.ws = new WebSocket("ws://127.0.0.1:8770"); //FIXME указывать ip:port из настроек
        this.ws.onopen = function(){ console.debug('WS: open...'); };
        this.ws.onclose = function(){ console.debug('WS: close...'); };
        this.ws.onerror = function(e){ console.debug('WS: error'); console.error(e); };
        this.ws.onmessage = function(event){
            _this.setState({ lines: _this.state.lines.concat([event.data]) }); //TODO необходимо ограничить кол-во строк
        };
    },
    disconnect: function() {
        if (this.ws === null) return;
        this.ws.close();
        this.ws = null;
    },
    /*--------------------*/
    getInitialState: function(){return{
        lines: []
    }},
    render: function(){
        var ansi_up = new AnsiUp;

        return(
            ce('div', {id: 'webconsole'},
                ce('div', {className: 'output'},
                    this.state.lines.map(function(line){
                        return ce('p', {dangerouslySetInnerHTML: {__html: ansi_up.ansi_to_html(line)}});
                    })
                ),
                ce('input')
            )
        )
    },
    componentWillUnmount: function(){
        this.disconnect();
    }
});

var ServerInfo = React.createClass({
    tabStateWebConsole: function(state) {
        if (state === 1) {
            this.refs.webconsole.connect();
        }
    },
    /*--------------------*/
    getInitialState: function(){return {
        title: null,
        data: []
    }},
    render: function(){
        if (this.state.title === null) {
            return ce('div', null, 'no data');
        } else {
            return(
                ce('div', null,
                    ce('h2', {style: {'margin-top': '0px'}}, this.state.title),
                    ce(Tabs, {tabs: ['Онлайн', 'Консоль'], stateCallback: this.tabStateWebConsole},
                        ce(NvLineChart, {datum: [{
                            key: 'Online players',
                            color: '#37d668',
                            area: true,
                            values: this.state.data
                        }]}),
                        ce(WebConsole, {ref: 'webconsole'})
                    )
                )
            )
        }
    }
});

/**
 * Пункт списка серверов.
 * <code>this.props.title</code> - заголовок / clientId
 * <code>this.props.onClick</code> - callback события клика
 * <code>this.props.active</code> - состояние активности (true/false)
 */
var ServerListItem = React.createClass({
    render: function(){
        return(
            ce('a', {className: 'list-group-item clearfix' + (this.props.active ? ' active' : ''), href: '#',
                     onClick: this.props.onClick},
                ce('span', {style: {'padding-top': '15px'}},
                    ce('span', {className: 'glyphicon glyphicon-tasks'}),
                    nbsp,
                    this.props.title
                )
            )
        )
    }
});

var ServerList = React.createClass({
    render: function(){return(
        ce('div', {className: 'list-group'}, this.props.children)
    )}
});