/*
 * 图片转换对话框脚本
 **/

var tableData = [],
    //编辑器页面table
    editorTable = null,
    chartsConfig = window.typeConfig,
    resizeTimer = null,
    //初始默认图表类型
    currentChartType = 0;

window.onload = function () {

    editorTable = domUtils.findParentByTagName(editor.selection.getRange().startContainer, 'table', true);

    //未找到表格， 显示错误页面
    if (!editorTable) {
        document.body.innerHTML = "<div class='edui-charts-not-data'>未找到数据</div>";
        return;
    }

    //初始化图表类型选择
    initChartsTypeView();
    renderTable(editorTable);
    initEvent();
    initUserConfig(editorTable.getAttribute("data-chart"));
    $("#scrollBed .view-box:eq(" + currentChartType + ")").trigger("click");
    updateViewType(currentChartType);

    dialog.addListener("resize", function () {

        if (resizeTimer != null) {
            window.clearTimeout(resizeTimer);
        }

        resizeTimer = window.setTimeout(function () {

            resizeTimer = null;

            renderCharts();

        }, 500);

    });

};

function initChartsTypeView() {

    var contents = [];

    for (var i = 0, len = chartsConfig.length; i < len; i++) {

        contents.push('<div class="view-box" data-chart-type="' + i + '"><img width="300" src="images/charts' + i + '.png"></div>');

    }

    $("#scrollBed").html(contents.join(""));

}

//渲染table， 以便用户修改数据
function renderTable(table) {

    var tableHtml = [];

    //构造数据
    for (var i = 0, row; row = table.rows[i]; i++) {

        tableData[i] = [];
        tableHtml[i] = [];

        for (var j = 0, cell; cell = row.cells[j]; j++) {

            var value = getCellValue(cell);

            if (i > 0 && j > 0) {
                value = +value;
            }

            if (i === 0 || j === 0) {
                tableHtml[i].push('<th>' + value + '</th>');
            } else {
                tableHtml[i].push('<td><input type="text" class="data-item" value="' + value + '"></td>');
            }

            tableData[i][j] = value;

        }

        tableHtml[i] = tableHtml[i].join("");

    }

    //draw 表格
    $("#tableContainer").html('<table id="showTable" border="1"><tbody><tr>' + tableHtml.join("</tr><tr>") + '</tr></tbody></table>');

}

/*
 * 根据表格已有的图表属性初始化当前图表属性
 */
function initUserConfig(config) {

    var parsedConfig = {};

    if (!config) {
        return;
    }

    config = config.split(";");

    $.each(config, function (index, item) {

        item = item.split(":");
        parsedConfig[item[0]] = item[1];

    });

    setUserConfig(parsedConfig);

}

function initEvent() {

    var cacheValue = null,
        //图表类型数
        typeViewCount = chartsConfig.length - 1,
        $chartsTypeViewBox = $('#scrollBed .view-box');

    $(".charts-format").delegate(".format-ctrl", "change", function () {

        renderCharts();

    })

    $(".table-view").delegate(".data-item", "focus", function () {

        cacheValue = this.value;

    }).delegate(".data-item", "blur", function () {

        if (this.value !== cacheValue) {
            renderCharts();
        }

        cacheValue = null;

    });

    $("#buttonContainer").delegate("a", "click", function (e) {

        e.preventDefault();

        if (this.getAttribute("data-title") === 'prev') {

            if (currentChartType > 0) {
                currentChartType--;
                updateViewType(currentChartType);
            }

        } else {

            if (currentChartType < typeViewCount) {
                currentChartType++;
                updateViewType(currentChartType);
            }

        }

    });

    //图表类型变化
    $('#scrollBed').delegate(".view-box", "click", function (e) {

        var index = $(this).attr("data-chart-type");
        $chartsTypeViewBox.removeClass("selected");
        $($chartsTypeViewBox[index]).addClass("selected");

        currentChartType = index | 0;

        //饼图， 禁用部分配置
        if (currentChartType === chartsConfig.length - 1) {

            disableNotPieConfig();

            //启用完整配置
        } else {

            enableNotPieConfig();

        }

        renderCharts();

    });

}

function renderCharts() {

    var data = collectData();

    $('#chartsContainer').highcharts($.extend({}, chartsConfig[currentChartType], {

        credits: {
            enabled: false
        },
        exporting: {
            enabled: false
        },
        title: {
            text: data.title,
            x: -20 //center
        },
        subtitle: {
            text: data.subTitle,
            x: -20
        },
        xAxis: {
            title: {
                text: data.xTitle
            },
            categories: data.categories
        },
        yAxis: {
            title: {
                text: data.yTitle
            },
            plotLines: [{
                value: 0,
                width: 1,
                color: '#808080'
            }]
        },
        tooltip: {
            enabled: true,
            valueSuffix: data.suffix
        },
        legend: {
            layout: 'vertical',
            align: 'right',
            verticalAlign: 'middle',
            borderWidth: 1
        },
        series: data.series

    }));

}

function updateViewType(index) {

    $("#scrollBed").css('marginLeft', -index * 324 + 'px');

}

function collectData() {

    var form = document.forms['data-form'],
        data = null;

    if (currentChartType !== chartsConfig.length - 1) {

        data = getSeriesAndCategories();
        $.extend(data, getUserConfig());

        //饼图数据格式
    } else {
        data = getSeriesForPieChart();
        data.title = form['title'].value;
        data.suffix = form['unit'].value;
    }

    return data;

}

/**
 * 获取用户配置信息
 */
function getUserConfig() {

    var form = document.forms['data-form'],
        info = {
            title: form['title'].value,
            subTitle: form['sub-title'].value,
            xTitle: form['x-title'].value,
            yTitle: form['y-title'].value,
            suffix: form['unit'].value,
            //数据对齐方式
            tableDataFormat: getTableDataFormat(),
            //饼图提示文字
            tip: $("#tipInput").val()
        };

    return info;

}

function setUserConfig(config) {

    var form = document.forms['data-form'];

    config.title && (form['title'].value = config.title);
    config.subTitle && (form['sub-title'].value = config.subTitle);
    config.xTitle && (form['x-title'].value = config.xTitle);
    config.yTitle && (form['y-title'].value = config.yTitle);
    config.suffix && (form['unit'].value = config.suffix);
    config.dataFormat == "-1" && (form['charts-format'][1].checked = true);
    config.tip && (form['tip'].value = config.tip);
    currentChartType = config.chartType || 0;

}

function getSeriesAndCategories() {

    var form = document.forms['data-form'],
        series = [],
        categories = [],
        tmp = [],
        tableData = getTableData();

    //反转数据
    if (getTableDataFormat() === "-1") {

        for (var i = 0, len = tableData.length; i < len; i++) {

            for (var j = 0, jlen = tableData[i].length; j < jlen; j++) {

                if (!tmp[j]) {
                    tmp[j] = [];
                }

                tmp[j][i] = tableData[i][j];

            }

        }

        tableData = tmp;

    }

    categories = tableData[0].slice(1);

    for (var i = 1, data; data = tableData[i]; i++) {

        series.push({
            name: data[0],
            data: data.slice(1)
        });

    }

    return {
        series: series,
        categories: categories
    };

}

/*
 * 获取数据源数据对齐方式
 */
function getTableDataFormat() {

    var form = document.forms['data-form'],
        items = form['charts-format'];

    return items[0].checked ? items[0].value : items[1].value;

}

/*
 * 禁用非饼图类型的配置项
 */
function disableNotPieConfig() {

    updateConfigItem('disable');

}

/*
 * 启用非饼图类型的配置项
 */
function enableNotPieConfig() {

    updateConfigItem('enable');

}

function updateConfigItem(value) {

    var table = $("#showTable")[0],
        isDisable = value === 'disable' ? true : false;

    //table中的input处理
    for (var i = 2, row; row = table.rows[i]; i++) {

        for (var j = 1, cell; cell = row.cells[j]; j++) {

            $("input", cell).attr("disabled", isDisable);

        }

    }

    //其他项处理
    $("input.not-pie-item").attr("disabled", isDisable);
    $("#tipInput").attr("disabled", !isDisable)

}

/*
 * 获取饼图数据
 * 饼图的数据只取第一行的
 **/
function getSeriesForPieChart() {

    var series = {
            type: 'pie',
            name: $("#tipInput").val(),
            data: []
        },
        tableData = getTableData();


    for (var j = 1, jlen = tableData[0].length; j < jlen; j++) {

        var title = tableData[0][j],
            val = tableData[1][j];

        series.data.push([title, val]);

    }

    return {
        series: [series]
    };

}

function getTableData() {

    var table = document.getElementById("showTable"),
        xCount = table.rows[0].cells.length - 1,
        values = getTableInputValue();

    for (var i = 0, value; value = values[i]; i++) {

        tableData[Math.floor(i / xCount) + 1][i % xCount + 1] = values[i];

    }

    return tableData;

}

function getTableInputValue() {

    var table = document.getElementById("showTable"),
        inputs = table.getElementsByTagName("input"),
        values = [];

    for (var i = 0, input; input = inputs[i]; i++) {
        values.push(input.value | 0);
    }

    return values;

}

function getCellValue(cell) {

    var value = utils.trim((cell.innerText || cell.textContent || ''));

    return value.replace(new RegExp(UE.dom.domUtils.fillChar, 'g'), '').replace(/^\s+|\s+$/g, '');

}


//dialog确认事件
dialog.onok = function () {

    //收集信息
    var form = document.forms['data-form'],
        info = getUserConfig();

    //添加图表类型
    info.chartType = currentChartType;

    //同步表格数据到编辑器
    syncTableData();

    //执行图表命令
    editor.execCommand('charts', info);

};

/*
 * 同步图表编辑视图的表格数据到编辑器里的原始表格
 */
function syncTableData() {

    var tableData = getTableData();

    for (var i = 1, row; row = editorTable.rows[i]; i++) {

        for (var j = 1, cell; cell = row.cells[j]; j++) {

            cell.innerHTML = tableData[i] [j];

        }

    }

}