var _apiUrl = null;

function compareFunction(a, b) {
    return b.WeightedShortestJobFirst - a.WeightedShortestJobFirst || b.ParentId - a.ParentId || a.Id - b.Id;
}

function compareEffortFunction(a, b) {
    return a.Effort - b.Effort || b.ParentId - a.ParentId || a.Id - b.Id;
}

function compareBusinessValueFunction(a, b) {
    return a.BusinessValue - b.BusinessValue || b.ParentId - a.ParentId || a.Id - b.Id;
}

function compareTimeCriticalityFunction(a, b) {
    return a.TimeCriticality - b.TimeCriticality || b.ParentId - a.ParentId || a.Id - b.Id;
}

function compareRiskReductionMinusOpportunityEnablementFunction(a, b) {
    return b.RiskReductionMinusOpportunityEnablement - b.RiskReductionMinusOpportunityEnablement || b.ParentId - a.ParentId || a.Id - b.Id;
}

function showOne(rowData) {
    if (rowData == null)
        return;
    var data = [];
    data.push({ name: "Edit in ADO", value: '<a target="_blank" href="https://tfs.intra.infineon.com/tfs/FactoryIntegration/ART%20SPS/_workitems/edit/' + rowData["Id"] + '">Edit in ADO ' + rowData["Id"] + '</a>' });
    for (const property in rowData) {
        if (rowData[property] == null)
            continue;
        data.push({ name: property, value: rowData[property].toString() });
    }
    $("#AllGrid").igGrid({
        autoGenerateColumns: true,
        dataSource: data,
        width: "100%",
        showHeader: false,
    });
}

function loadOne() {
    var selectedRow = $("#HeaderGrid").data("igGridSelection").selectedRow();
    if (selectedRow == null)
        return;
    var rowData = $("#HeaderGrid").data("igGrid").dataSource.dataView()[selectedRow.index];
    showOne(rowData);
}

function detailSelectionChangedRunInfo(evt, ui) {
    if (ui.row.index === 0)
        return;
    var rowData = ui.owner.grid.dataSource.dataView()[ui.row.index];
    showOne(rowData);
}

function getState(state) {
    var result;
    if (state == null)
        result = "9-Null";
    else if (state === "New")
        result = `1-${state}`;
    else if (state === "Active")
        result = `2-${state}`;
    else if (state === "Resolved")
        result = `3-${state}`;
    else if (state === "Closed")
        result = `4-${state}`;
    else if (state === "Removed")
        result = `5-${state}`;
    else
        result = `8-${state}`;
    return result;
}

function getPriority(workItemType, priority) {
    var result;
    if (workItemType === "Bug")
        result = "0-Bug";
    else if (priority == null || priority === 0)
        result = "9-Null";
    else if (priority === 1)
        result = `${priority}-High`;
    else if (priority === 2)
        result = `${priority}-Med`;
    else if (priority === 3)
        result = `${priority}-Low`;
    else if (priority === 4)
        result = `${priority}-TBD`;
    else
        result = "8-Not";
    return result;
}

function updateRecordCoD(workItem) {
    if (workItem !== null) {
        if (workItem["Effort"] === null)
            workItem["Effort"] = 1;
        if (workItem["BusinessValue"] === null)
            workItem["BusinessValue"] = 99999;
        if (workItem["TimeCriticality"] === null)
            workItem["TimeCriticality"] = 99999;
        if (workItem["RiskReductionMinusOpportunityEnablement"] === null)
            workItem["RiskReductionMinusOpportunityEnablement"] = 99999;
    }
}

function getFibonacci(length) {
    var results = [];
    var i;
    var fib = [0, 1];
    for (i = 2; i <= length + 1; i++) {
        fib[i] = fib[i - 2] + fib[i - 1];
        results.push(fib[i]);
    }
    return results;
}

function updateCoD(records) {
    var workItem;
    var fibonacci = getFibonacci(records.length);
    records.sort(compareEffortFunction);
    for (var i = 0; i < records.length; i++) {
        workItem = records[i];
        workItem.EffortRank = i + 1;
        workItem.EffortFibonacci = fibonacci[i];
    }
    records.sort(compareBusinessValueFunction);
    for (var i = 0; i < records.length; i++) {
        workItem = records[i];
        workItem.BusinessValueRank = i + 1;
        workItem.BusinessValueFibonacci = fibonacci[i];
    }
    records.sort(compareTimeCriticalityFunction);
    for (var i = 0; i < records.length; i++) {
        workItem = records[i];
        workItem.TimeCriticalityRank = i + 1;
        workItem.TimeCriticalityFibonacci = fibonacci[i];
    }
    records.sort(compareRiskReductionMinusOpportunityEnablementFunction);
    for (var i = 0; i < records.length; i++) {
        workItem = records[i];
        workItem.RiskReductionMinusOpportunityEnablementRank = i + 1;
        workItem.RiskReductionMinusOpportunityEnablementFibonacci = fibonacci[i];
    }
    for (var i = 0; i < records.length; i++) {
        workItem = records[i];
        workItem.CoD = workItem.RiskReductionMinusOpportunityEnablementFibonacci + workItem.TimeCriticalityFibonacci + workItem.BusinessValueFibonacci;
        if (workItem.Priority[0] !== '1')
            workItem.WeightedShortestJobFirst = 0.000001;
        else
            workItem.WeightedShortestJobFirst = workItem.CoD / workItem.EffortFibonacci;
    }
}

function updateRecordOther(workItem) {
    workItem["State"] = getState(workItem["State"]);
    workItem["Priority"] = getPriority(workItem["WorkItemType"], workItem["Priority"]);
}

function updateRecordParent(parent, workItem) {
    if (parent === null) {
        workItem["ParentId"] = 9999999;
        workItem["ParentTitle"] = null;
        workItem["ParentState"] = null;
        workItem["ParentCoD"] = 9999999;
    }
    else {
        workItem["ParentId"] = parent["Id"];
        workItem["ParentCoD"] = parent["CoD"];
        workItem["ParentTitle"] = parent["Title"];
        workItem["ParentState"] = getState(parent["State"]);
    }
}

function getRecords(data) {
    var parent;
    var workItem;
    var records = [];
    for (var i = 0; i < data.length; i++) {
        parent = data[i].Parent;
        workItem = data[i].WorkItem;
        if (workItem.WorkItemType !== 'Feature')
            continue;
        if (workItem.State !== 'New' && workItem.State !== 'Active')
            continue;
        if (workItem.Tags != null && workItem.Tags.includes("Ignore"))
            continue;
        if ((window.location.href.indexOf('=LEO') > -1 && workItem.AreaPath !== 'ART SPS\\LEO') || (window.location.href.indexOf('=MES') > -1 && workItem.AreaPath !== 'ART SPS\\MES'))
            continue;
        updateRecordCoD(parent);
        updateRecordCoD(workItem);
        updateRecordOther(workItem);
        updateRecordParent(parent, workItem);
        records.push(workItem);
    }
    updateCoD(records);
    records.sort(compareFunction);
    return records;
}

function setRecords(workItems) {
    var record;
    var html = "<tr><th>Parent Id</th><th>Parent Title</th><th>Id</th><th>Requester</th><th>Title</th><th>Assigned To</th><th>System(s)</th><th>State</th><th>Priority</th><th>Risk Reduction and/or Opportunity Enablement</th><th>Time Criticality</th><th>Business Value</th><th>CoD</th><th>Effort</th><th>WSJF</th><th>Up</th><th>Down</th></tr>";
    const element = document.getElementById("HeaderGrid");
    for (var i = 0; i < workItems.length; i++) {
        record = workItems[i];
        html += "<tr><td>" + '<a target="_blank" href="https://tfs.intra.infineon.com/tfs/FactoryIntegration/ART%20SPS/_workitems/edit/' + record.ParentId + '">' + record.ParentId + "</a>" +
            "</td><td>" + record.Title +
            "</td><td>" + '<a target="_blank" href="https://tfs.intra.infineon.com/tfs/FactoryIntegration/ART%20SPS/_workitems/edit/' + record.Id + '">' + record.Id + "</a>" +
            "</td><td>" + record.Requester +
            "</td><td>" + record.Title +
            "</td><td>" + record.AssignedTo +
            "</td><td>" + record.Tags +
            "</td><td>" + record.State +
            "</td><td>" + record.Priority +
            "</td><td>" + record.RiskReductionMinusOpportunityEnablement + '-' + record.RiskReductionMinusOpportunityEnablementRank + '-' + record.RiskReductionMinusOpportunityEnablementFibonacci +
            "</td><td>" + record.TimeCriticality + '-' + record.TimeCriticalityRank + '-' + record.TimeCriticalityFibonacci +
            "</td><td>" + record.BusinessValue + '-' + record.BusinessValueRank + '-' + record.BusinessValueFibonacci +
            "</td><td>" + record.CoD +
            "</td><td>" + record.Effort + '-' + record.EffortRank + '-' + record.EffortFibonacci +
            "</td><td>" + record.WeightedShortestJobFirst +
            "</td><td><a href='#' class='up'>Up</a></td><td><a href='#' class='down'>Down</a></td></tr>";
    }
    element.innerHTML = html.replaceAll(">null<", ">&nbsp;<");
}

function updateSite() {
    if (window.location.href.indexOf('=LEO') > -1) {
        document.title = document.title.replace("Infineon", "HiRel (Leominster)");
        document.getElementById("siteHeader").innerText = "HiRel (Leominster)";
    }
    else if (window.location.href.indexOf('=MES') > -1) {
        document.title = document.title.replace("Infineon", "Mesa");
        document.getElementById("siteHeader").innerText = "Mesa";
    }
    else {
        document.title = document.title.replace("Infineon", "Infineon");
        document.getElementById("siteHeader").innerText = "Infineon";
    }
}

function initIndex(url, apiUrl) {
    _apiUrl = apiUrl;
    updateSite();
    $.getJSON(url, { _: new Date().getTime() }, function (data) {
        var records = getRecords(data);
        console.log(data.length);
        if (data.length > 0)
            console.log(data[0]);
        setRecords(records);
        $(".up,.down").click(function () {
            var row = $(this).parents("tr:first");
            if ($(this).is(".up")) {
                row.insertBefore(row.prev());
            } else {
                row.insertAfter(row.next());
            }
        });
    });
    $("#HeaderGrid").on("dblclick", "tr", loadOne);
}