window.tablelayout = window.tablelayout || {};

jQuery(function () {
    'use strict';

    /**
     * Ensure that the current values are valid and trigger a preview
     *
     * @param {Event} event the submit form event
     *
     * @return {void}
     */
    function handleLayoutFormSubmit(event) {
        event.preventDefault();
        var $layoutcontainer = jQuery('#layoutcontainer');
        var $layoutfield = jQuery('#dw__editform').find('input[name=tablelayout]');
        var layout = window.tablelayout.initLayout($layoutfield.val());

        // validation
        var rowsHeaderSource = $layoutcontainer.find('select[name="rowsHeaderSource"] :selected').val();
        var rowsVisible = parseInt($layoutcontainer.find('input[name="rowsVisible"]').val());
        var float = $layoutcontainer.find('select[name="float"]').val();
        var MAX_HEADER_ROWS = 10;
        if (0 <= parseInt(rowsHeaderSource) && parseInt(rowsHeaderSource) <= MAX_HEADER_ROWS) {
            layout.rowsHeaderSource = rowsHeaderSource;
        } else {
            layout.rowsHeaderSource = 'Auto';
        }
        if (!(rowsVisible && rowsVisible > 0)) {
            delete layout.rowsVisible;
        } else {
            layout.rowsVisible = rowsVisible;
        }
        if (float && (float === 'left' || float === 'right' || float === 'center')) {
            layout.float = float;
        } else {
            delete layout.float;
        }
        var tableSort = $layoutcontainer.find('input[name="tableSort"]').is(':checked');
        layout.tableSort = tableSort;
        var tableSearch = $layoutcontainer.find('input[name="tableSearch"]').is(':checked');
        layout.tableSearch = tableSearch;
        var tablePrint = $layoutcontainer.find('input[name="tablePrint"]').is(':checked');
        layout.tablePrint = tablePrint;

        $layoutfield.val(JSON.stringify(layout));
        jQuery('#dw__editform').find('button[name="do[preview]"]').click();
    }

    /**
     *
     * @param {string} staticFormHTML the basic form html as returned by the server
     *
     * @return {void}
     */
    function initializeLayoutForm(staticFormHTML) {
        var $layoutcontainer = jQuery('#layoutcontainer');
        $layoutcontainer.html(staticFormHTML);
        $layoutcontainer.find('fieldset legend').click(function () {
            $layoutcontainer.find('fieldset').toggleClass('borderless');
            $layoutcontainer.find('fieldset > div').slideToggle();
        });
        var $layoutfield = jQuery('#dw__editform').find('input[name=tablelayout]');
        var layout = window.tablelayout.initLayout($layoutfield.val());
        $layoutcontainer.find('select[name="rowsHeaderSource"]').val(layout.rowsHeaderSource);
        if (layout.rowsHeaderSource && layout.rowsVisible) {
            $layoutcontainer.find('input[name="rowsVisible"]').val(layout.rowsVisible);
        }
        if (layout.float) {
            $layoutcontainer.find('select[name="float"]').val(layout.float);
        }
        if (typeof layout.tableSort !== 'undefined' && layout.tableSort === true) {
            $layoutcontainer.find('input[name="tableSort"]').attr('checked', true);
        }
        if (typeof layout.tableSearch !== 'undefined' && layout.tableSearch === true) {
            $layoutcontainer.find('input[name="tableSearch"]').attr('checked', true);
        }
        if (typeof layout.tablePrint !== 'undefined' && layout.tablePrint === true) {
            $layoutcontainer.find('input[name="tablePrint"]').attr('checked', true);
        }
        $layoutcontainer.find('form').submit(handleLayoutFormSubmit);
    }

    if (!jQuery('#edittable__editor').length) {
        return;
    }
    jQuery('#dw__editform').before('<div id="layoutcontainer">' + window.LANG.plugins.tablelayout.loading + '</div>');
    jQuery.get(
        window.DOKU_BASE + 'lib/exe/ajax.php',
        {
            call: 'plugin_tablelayout_form'
        }
    ).done(initializeLayoutForm).fail(function (jqXhr) {
        var $layoutcontainer = jQuery('#layoutcontainer');
        $layoutcontainer.html(jqXhr.responseText);
    });
});