$(document).ready(function () {
    ready();
});


$(window).resize(function () {
    $('body').css('padding-top', $("#navbar-fixed-top").height());
    $('.floatThead-container').css('top', $("#navbar-container").height() - $('#topnavbar').height());
    $('.floatThead-container').css('margin-top', $("#navbar-container").height() - $('#topnavbar').height());
});


$(window).scroll(function () {
    $('.floatThead-container').css('top', $("#navbar-container").height() - $('#topnavbar').height());
});


var offshoreOrdered = false;
var batteryOrdered = false;


function showMsg(msg) {
    $("#msgModal .modal-content").html(msg);
    $("#msgModal").modal("show");
}

function showImage(resource, action, value) {
    //    $("#expectedValueModal .modal-dialog .modal-content img").html("static/control-mock-imgs/" + resource + "-action" + action + "-" + value + "MW.png")
    document.getElementById('expected_value_mock').src = "ui/static/control-mock-imgs/value-" + resource + "-action" + action + "-" + value + "MW.png"
    load_images = document.getElementsByClassName('expected_load_mock')
    for (var i = 0; i < load_images.length; i++) {
        load_images[i].src = "ui/static/control-mock-imgs/load-" + resource + "-action" + action + "-" + value + "MW.png"
    }
}


function defaultImage(action) {
    load_images = document.getElementsByClassName('expected_load_mock reset_default')
    for (var i = 0; i < load_images.length; i++) {
        load_images[i].src = "ui/static/control-mock-imgs/load-action" + action + ".png"
    }
}


function clickableTable(element, urlColumn) {
    // This will keep actions like text selection or dragging functional
    var table = $(element).DataTable();
    var tbody = element.getElementsByTagName('tbody')[0];
    var startX, startY;
    var radiusLimit = 0;  // how much the mouse is allowed to move during clicking

    $(tbody).on({
        mousedown: function (event) {
            startX = event.pageX;
            startY = event.pageY;
        },
        mouseup: function (event) {
            var endX = event.pageX;
            var endY = event.pageY;

            var deltaX = endX - startX;
            var deltaY = endY - startY;

            var euclidean = Math.sqrt(deltaX * deltaX + deltaY * deltaY);

            if (euclidean <= radiusLimit) {
                var columnIndex = table.column(':contains(' + urlColumn + ')').index();
                
                var data = table.row(this).data();
                if(Array.isArray(data)){
                    var url = data[columnIndex];
                } else{
                    var url = data["url"];
                }
                handleClick(event, url);
            }
        }
    }, 'tr');
}


function handleClick(event, url) {
    // ignore clicks on <a href>, <button> or <input> elements
    if (['a', 'button', 'input'].includes(event.target.tagName.toLowerCase())) {
        return
    } else if (event.ctrlKey) {
        window.open(url, "_blank");
    } else {
        window.open(url, "_self");
    }
}


function ready() {

    console.log("ready...");


    // For custom hover effects that linger for some time

    $("i").hover(
        function () {
            $(this).addClass('over');
        },
        function () {
            $(this).delay(3000).queue(function (next) {
                $(this).removeClass('over');
                next();
            });
        }
    );

    // Table pagination

    $.extend(true, $.fn.dataTable.defaults, {
        "conditionalPaging": {
            style: 'fade',
            speed: 2000,
        },
        "searching": true,
        "ordering": true,
        "info": true,
        "order": [],
        "lengthMenu": [[5, 10, 25, 50, 100, -1], [5, 10, 25, 50, 100, "All"]],
        "pageLength": 10,  // initial page length
        "oLanguage": {
            "sLengthMenu": "Show _MENU_ records",
            "sSearch": "Filter records:",
            "sInfo": "Showing _START_ to _END_ out of _TOTAL_ records",
            "sInfoFiltered": "(filtered from _MAX_ total records)",
            "sInfoEmpty": "No records to show",
        },
        "columnDefs": [{
            "targets": 'no-sort',
            "orderable": false,
        }],
        "stateSave": true,
    });
    // just searching and ordering, no paging
    $('.paginate-without-paging').DataTable({
        "paging": false,
    });
    // searching, ordering and paging
    $('.paginate').DataTable();
    // set default page lengths
    $('.paginate-5').dataTable().api().page.len(5).draw();
    $('.paginate-10').dataTable().api().page.len(10).draw();

    // Tables with the nav-on-click class

    navTables = document.getElementsByClassName('nav-on-click');
    Array.prototype.forEach.call(navTables, function(t) {clickableTable(t, 'URL')});


    // Sliders

    $('#control-action-setting-offshore')
        .ionRangeSlider({
            skin: "big",
            type: "single",
            grid: true,
            grid_snap: true,
            min: 0,
            max: 5,
            from_min: 2,
            from_max: 3,
            from_shadow: true,
            postfix: "MW",
            force_edges: true,
            onChange: function (settingData) {
                action = 1;
                if (offshoreOrdered) {
                    action = 2;
                }
                value = settingData.from;
                $("#control-expected-value-offshore").html(numberWithCommas(value * 35000));
                showImage("offshore", action, value);
            }
        });

    $('#control-action-setting-battery').ionRangeSlider({
        skin: "big",
        type: "single",
        grid: true,
        grid_snap: true,
        min: 0,
        max: 5,
        from_min: 1,
        from_max: 2,
        from_shadow: true,
        postfix: "MW",
        force_edges: true,
        onChange: function (settingData) {
            action = 1;
            if (offshoreOrdered) {
                action = 2;
            }
            value = settingData.from;
            $("#control-expected-value-battery").html(numberWithCommas(value * 10000));
            showImage("battery", action, value);
        }
    });


    // Hover behaviour

    $("#control-tr-offshore").mouseenter(function (data) {
        action = 1;
        if (offshoreOrdered) {
            action = 2;
        }
        var value = $("#control-action-setting-offshore").data("ionRangeSlider").old_from;
        showImage("offshore", action, value);
    }).mouseleave(function (data) {
        action = 1;
        if (offshoreOrdered) {
            action = 2;
        }
        defaultImage(action);
    });

    $("#control-tr-battery").mouseenter(function (data) {
        action = 1;
        if (offshoreOrdered) {
            action = 2;
        }
        var value = $("#control-action-setting-battery").data("ionRangeSlider").old_from;
        showImage("battery", action, value);
    }).mouseleave(function (data) {
        action = 1;
        if (offshoreOrdered) {
            action = 2;
        }
        defaultImage(action);
    });


    // Navbar behaviour

    $(document.body).css('padding-top', $('#topnavbar').height());
    $(window).resize(function () {
        $(document.body).css('padding-top', $('#topnavbar').height());
    });


    // Table behaviour

    $('table').floatThead({
        position: 'absolute',
        top: $('#topnavbar').height(),
        scrollContainer: true
    });

    $(document).on('change', '#user-list-options input[name="include_inactive"]', function () {
        //Users list inactive
        $(this).closest('form').submit();
    })


    // Security messages styling

    $('.flashes').addClass('alert alert-info');


    // Check button behaviour

    $("#control-check-expected-value-offshore").click(function (data) {
        var value = $("#control-action-setting-offshore").data("ionRangeSlider").old_from;
        showImage("offshore", 1, value);
        $("#expectedValueModal").modal("show");
    });

    $("#control-check-expected-value-battery").click(function (data) {
        var value = $("#control-action-setting-battery").data("ionRangeSlider").old_from;
        action = 1;
        if (offshoreOrdered) {
            action = 2;
        }
        showImage("battery", action, value);
        $("#expectedValueModal").modal("show");
    });


    // Order button behaviour

    $("#control-order-button-ev").click(function (data) {
        showMsg("This action is not supported in this mockup.");
    });

    $("#control-order-button-onshore").click(function (data) {
        showMsg("This action is not supported in this mockup.");
    });

    $("#control-order-button-offshore").click(function (data) {
        if (offshoreOrdered) {
            showMsg("This action is not supported in this mockup.");
        }
        var value = $("#control-action-setting-offshore").data("ionRangeSlider").old_from;
        console.log("Offshore was ordered for " + value + "MW!");
        if (value == 2) {
            showMsg("Your order of " + value + "MW offshore wind curtailment will be processed!");
            $("#control-tr-offshore").addClass("active");
            $("#control-offshore-volume").html("Ordered: <b>2MW</b>");
            $("#control-order-button-offshore").html('<span class="fa fa-minus" aria-hidden="true"></span> Cancel').removeClass("btn-success").addClass("btn-danger");
            $("#control-check-expected-value-offshore").hide();
            $("#total_load").html("4.4");
            $("#total_value").html("230,000");
            offshoreOrdered = true;
        }
        else {
            showMsg("In this mockup, only ordering 2MW of offshore wind is supported.");
        }
    });

    $("#control-order-button-battery").click(function (data) {
        if (batteryOrdered) {
            showMsg("This action is not supported in this mockup.");
        }
        else if (!offshoreOrdered) {
            showMsg("In this mockup, please first order 2MW of offshore wind.");
        } else {
            var value = $("#control-action-setting-battery").data("ionRangeSlider").old_from;
            console.log("Battery was ordered for " + value + "MW!");
            showMsg("Your order of " + value + "MW battery shifting will be processed!");
            $("#control-tr-battery").addClass("active");
            $("#control-order-button-battery").html('<span class="fa fa-minus" aria-hidden="true"></span> Cancel').removeClass("btn-success").addClass("btn-danger");
            $("#control-check-expected-value-battery").hide();
            if (value == 1) {
                $("#control-battery-volume").html("Ordered: <b>1MW</b>");
                $("#total_load").html("5.4");
                $("#total_value").html("240,000");
            }
            else {
                $("#control-battery-volume").html("Ordered: <b>2MW</b>");
                $("#total_load").html("6.4");
                $("#total_value").html("250,000");
            }
            batteryOrdered = true;
        }
    });

    // activate tooltips
    $('[data-toggle="tooltip"]').tooltip();
}

const numberWithCommas = (x) => {
    var parts = x.toString().split(".");
    parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
    return parts.join(".");
}

/** Analytics: Submit the resource selector, but reload to a clean URL,
               without any existing resource selection (confusing)
*/
var empty_location = location.protocol + "//" + location.hostname + ":" + location.port + "/analytics";

function submit_resource() {
    $("#resource-form").attr("action", empty_location).submit();
}
function submit_market() {
    $("#market-form").attr("action", empty_location).submit();
}
function submit_sensor_type() {
    $("#sensor_type-form").attr("action", empty_location).submit();
}

/** Tooltips: Register custom formatters */

/* Quantities incl. units
 * Usage:
 *     {
 *         'format': [<d3-format>, <sensor unit>, <optional preference to show currency symbol instead of currency code>],
 *         'formatType': 'quantityWithUnitFormat'
 *     }
 * The use of currency symbols, such as the euro sign (€), should be reserved for use in graphics.
 * See, for example, https://publications.europa.eu/code/en/en-370303.htm
 * The rationale behind this is that they are often ambiguous.
 * For example, both the Australian dollar (AUD) and the United States dollar (USD) map to the dollar sign ($).
 */
vega.expressionFunction('quantityWithUnitFormat', function(datum, params) {
    const formatDef = {
        "decimal": ".",
        "thousands": " ",
        "grouping": [3],
    };
    const locale = d3.formatLocale(formatDef);
    //  The third element on param allows choosing to show the currency symbol (true) or the currency name (false)
    if (params.length > 2 && params[2] === true){
        return locale.format(params[0])(datum) + " " + convertCurrencyCodeToSymbol(params[1]);
    }
    else {
        return locale.format(params[0])(datum) + " " + params[1];
    }
});

/*
 * Timedeltas measured in human-readable quantities (usually not milliseconds)
 * Usage:
 *     {
 *         'format': [<d3-format>, <breakpoint>],
 *         'formatType': 'timedeltaFormat'
 *     }
 * <d3-format>  is a d3 format identifier, e.g. 'd' for decimal notation, rounded to integer.
 *              See https://github.com/d3/d3-format for more details.
 * <breakpoint> is a scalar that decides the breakpoint from one duration unit to the next larger unit.
 *              For example, a breakpoint of 4 means we format 4 days as '4 days', but 3.96 days as '95 hours'.
 */
vega.expressionFunction('timedeltaFormat', function(timedelta, params) {
    return (Math.abs(timedelta) > 1000 * 60 * 60 * 24 * 365.2425 * params[1] ? d3.format(params[0])(timedelta / (1000 * 60 * 60 * 24 * 365.2425)) + " years"
        : Math.abs(timedelta) > 1000 * 60 * 60 * 24 * params[1] ? d3.format(params[0])(timedelta / (1000 * 60 * 60 * 24)) + " days"
        : Math.abs(timedelta) > 1000 * 60 * 60 * params[1] ? d3.format(params[0])(timedelta / (1000 * 60 * 60)) + " hours"
        : Math.abs(timedelta) > 1000 * 60 * params[1] ? d3.format(params[0])(timedelta / (1000 * 60)) + " minutes"
        : Math.abs(timedelta) > 1000 * params[1] ? d3.format(params[0])(timedelta / 1000) + " seconds"
        : d3.format(params[0])(timedelta) + " milliseconds");
});

/*
 * Timezone offset including IANA timezone name
 * Usage:
 *     {
 *         'format': [<IANA timezone name, e.g. 'Europe/Amsterdam'>],
 *         'formatType': 'timezoneFormat'
 *     }
 */
vega.expressionFunction('timezoneFormat', function(date, params) {
    const timezoneString = params[0];
    const tzOffsetNumber = date.getTimezoneOffset();
    const tzDate = new Date(0,0,0,0,Math.abs(tzOffsetNumber));
    return `${ tzOffsetNumber > 0 ? '-' : '+'}${("" + tzDate.getHours()).padStart(2, '0')}:${("" + tzDate.getMinutes()).padStart(2, '0')}` + ' (' + timezoneString + ')';
});

/*
 * Convert any currency codes in the unit to currency symbols.
 * This relies on the currencyToSymbolMap imported from currency-symbol-map/map.js
 */
const convertCurrencyCodeToSymbol = (unit) => {
    return replaceMultiple(unit, currencySymbolMap);
};

/**
 * Replaces multiple substrings in a given string based on a provided mapping object.
 *
 * @param {string} str - The input string in which replacements will be performed.
 * @param {Object} mapObj - An object where keys are substrings to be replaced, and values are their corresponding replacements.
 * @returns {string} - A new string with the specified substitutions applied.
 *
 * @example
 * // Replace currency codes with symbols in the given string
 * const inputString = "The price is 50 EUR/MWh, and 30 AUD/MWh.";
 * const currencyMapping = { EUR: '€', AUD: '$' };
 * const result = replace_multiple(inputString, currencyMapping);
 * // The result will be "The price is 50 €/MWh, and 30 $/MWh."
 */
function replaceMultiple(str, mapObj){
    // Create a regular expression pattern using the keys of the mapObj joined with "|" (OR) to match any of the substrings.
    let regex = new RegExp(Object.keys(mapObj).join("|"),"g");
    // Use the regular expression to replace matched substrings with their corresponding values from the mapObj.
    // The "g" flag makes the replacement global (replaces all occurrences), and it is case-sensitive by default.
    return str.replace(regex, matched => mapObj[matched]);
}


function getTimeAgo(timestamp) {
    /**
     * Converts a timestamp into a human-readable "time ago" format.
     *
     * @param {number} timestamp - The timestamp in milliseconds to convert.
     * @returns {string} A string representing how much time has passed since the given timestamp,
     *                   formatted as "X seconds ago", "X minutes ago", "X hours ago", or "X days ago".
     */
    const now = Date.now();
    const diffInSeconds = Math.floor((now - timestamp) / 1000); // Difference in seconds
    if (diffInSeconds < 60) {
        return `${diffInSeconds} seconds ago`;
    } else if (diffInSeconds < 3600) {
        const minutes = Math.floor(diffInSeconds / 60);
        return `${minutes} minute${minutes > 1 ? 's' : ''} ago`;
    } else if (diffInSeconds < 86400) {
        const hours = Math.floor(diffInSeconds / 3600);
        return `${hours} hour${hours > 1 ? 's' : ''} ago`;
    } else {
        const days = Math.floor(diffInSeconds / 86400);
        return `${days} day${days > 1 ? 's' : ''} ago`;
    }
}


// Function to return a loading row for a table
function getLoadingRow(id="loading-row") {
    const loading_row = `
        <tr id="${id}">
            <td colspan="5" class="text-center">
                <i class="fa fa-spinner fa-spin"></i> Loading...
            </td>
        </tr>
    `;
    return loading_row;
}