// set work days

// gantt.setWorkTime({ day:1, hours:false });

const VERSION_GANTT_EDIT_URL = `${base_url}version-gantt/edit/${ganttId}`;
const VERSION_GANTT_UPDATE_URL = `${base_url}version-gantt/update/${ganttId}`;
const ACTIVITY_SET_BASELINE_URL = `${base_url}project/set-baseline/${ganttId}`;
const ACTIVITY_SET_BASELINE_ACTIVITY_URL = (id) => {
    return `${base_url}project/set-baseline-activity/${id}/${ganttId}`;
}
const ACTIVITY_SYNCHRONIZE_REPORT_URL = `${base_url}project/synchronize-report/${ganttId}`;
let projectId = getUrlParameter("proyek_id");
var toggleTasks = "Collapse";
var isBaselineSet = false;
var daysObj = [
    {
        text: "Sunday",
        value: "0"
    },
    {
        text: "Monday",
        value: "1"
    },
    {
        text: "Tuesday",
        value: "2"
    },
    {
        text: "Wednesday",
        value: "3"
    },
    {
        text: "Thursday",
        value: "4"
    },
    {
        text: "Friday",
        value: "5"
    },
    {
        text: "Saturday",
        value: "6"
    }
];
var days = [0, 1, 2, 3, 4, 5, 6]; // Sunday -> Saturday

var selectDayOffChoices = null;

$(document).ready(function () {
    // init select multiple workdays
    selectDayOffChoices = new Choices('#select_dayoff', {
        removeItemButton: true,
        shouldSort: false
        // maxItemCount: 5,
        // searchResultLimit: 5,
        // renderChoiceLimit: 5
    });

    $('#gantt_setting_btn').on('click', async function () {
        const result = await axiosInstance
            .get(VERSION_GANTT_EDIT_URL, HEADER)
            .then(res => res)
            .catch((error) => error.response);

        if (result && result.status == 200) {
            if (result.data && result.data.data) {
                var config_dayoff = null;
                if (result.data.data.config_dayoff !== null) {
                    config_dayoff = result.data.data.config_dayoff;

                    if (config_dayoff && config_dayoff.length > 0) {
                        var config_dayoff_arr = config_dayoff.split(',');
                        for (var i = 0; i < config_dayoff_arr.length; i++) {
                            var day = daysObj.find(o => parseInt(o.value) === parseInt(config_dayoff_arr[i]));
                            selectDayOffChoices.setChoiceByValue(day.value);
                        }
                    }
                }
            }
        } else {
            gantt.alert({ type: "error", text: "Failed to get settings. Please check your internet connection." });
        }
        $('#modal_gantt_setting').modal('show');
    });

    $('#btn_save_setting').on('click', async function () {
        var holidays = [];
        var dayoff = $('#select_dayoff').val();
        var costToComplete = $("#costToCompleteBox").val();
        var committedCost = $("#committedCostBox").val();

        dayoff = dayoff.map(item => parseInt(item));
        var workdays = _.difference(days, dayoff);

        // reset the dayoff first
        for (var i = 0; i < days.length; i++) {
            gantt.unsetWorkTime({ day: days[i], hours: false });
        }

        if (dayoff.length > 0) {
            for (var i = 0; i < dayoff.length; i++) {
                gantt.setWorkTime({ day: dayoff[i], hours: false });
            }
        }

        let payload = {
            "config_dayoff": dayoff.join(','),
            "cost_to_complete": costToComplete ? costToComplete : 0,
            "committed_cost": committedCost ? committedCost : 0
        }

        const result = await axiosInstance
            .put(VERSION_GANTT_UPDATE_URL, payload, HEADER)
            .then(res => res)
            .catch((error) => error.response);
        if (result && result.status === 200) {
            $('#modal_gantt_setting').modal('hide');
            gantt.message("Settings updated");
            refresData();
        }
        else {
            gantt.alert({ type: "error", text: "Failed to update setting" });
        }

        gantt.render();

    });

    $("#gantt_toggle_task_btn").on('click', function (event) {
        toggleCollapseTasks();
    });

    $("#dashboard-project").on('click', function (event) {
        // window.location.href = `https://project.ospro.id/#/dashboard-project/${projectId}/${ganttId}`;
        window.location.href = `http://localhost:3000/#/dashboard-project/${projectId}/${ganttId}`;
    });

    $("#gantt-baseline").on('click', function (event) {
        setBaseline();
    });

    $("#save-activity").on('click', function (event) {
        batchUpdate();
    });

    $("#gantt-synchronize").on('click', function (event) {
        setSynchronize();
    });

    $("#compare-data").on('click', function (event) {
        compareData(ganttTask);
    });

    $("#update-schedule").on('click', function (event) {
        updateSchedule();
    });

    initHolidays();
    initGanttSettings();
});

async function initHolidays() {
    let payload = {
        "columns": [
            { "name": "version_gantt_id", "logic_operator": "=", "value": ganttId },
            { "name": "proyek_id", "logic_operator": "=", "value": proyekId }
        ],
        "joins": [],
        "orders": { "columns": ["date"], "ascending": true },
        "paging": { "start": 0, "length": -1 }
    }

    $.ajax({
        data: JSON.stringify(payload),
        url: `${base_url}holiday/search`,
        type: "POST",
        success: function (result) {
            let dataHolidays = result.data || []
            dataHolidays.map((val, index) => {
                var a = moment(val.date);
                var b = moment(a).add(val.duration, 'days');
                for (var m = moment(a); m.isBefore(b); m.add(1, 'days')) {
                    let holiday = new Date(m.format('YYYY-MM-DD'));
                    console.log("holiday", holiday);
                    gantt.setWorkTime({
                        date: holiday,
                        hours: false
                    });
                }
            });
            gantt.render();
        },
    });
}

async function initGanttSettings() {
    $("#scale1").attr('checked', true);

    // init to gantt chart view (holidays)
    const result = await axiosInstance
        .get(VERSION_GANTT_EDIT_URL, HEADER)
        .then(res => res)
        .catch((error) => error.response);

    if (result && result.status == 200) {
        var config_dayoff = result.data.data.config_dayoff;
        var type_gantt = result.data.data.calculation_type;
        reRenderColumns(type_gantt);
        var dayoff = [];
        if (config_dayoff && config_dayoff.length > 0) {
            dayoff = config_dayoff.split(',');
        }

        // reset the dayoff first
        for (var i = 0; i < days.length; i++) {
            gantt.unsetWorkTime({ day: days[i], hours: false });
        }

        if (dayoff.length > 0) {
            for (var i = 0; i < dayoff.length; i++) {
                gantt.setWorkTime({ day: dayoff[i], hours: false });
            }
        }
        for (let index = 1; index <= 7; index++) {
            const dateToCheck = new Date(2023, 4, index); // Note: Month is 0-based, so 5 represents June
            if (gantt.isWorkTime({ date: dateToCheck, hours: false })) {
                console.log(dateToCheck.toString() + ' is work time.');
            } else {
                console.log(dateToCheck.toString() + ' is not work time.');
            }
        }
    }
}

function expandTask() {
    console.log("check expandTask")
    gantt.eachTask(function (task) {
        task.$open = true;
    });
    // updateProperty({task_open:true})
    toggleTasks = "Collapse";
    $("#gantt_toggle_task_btn").prop('title', 'Collapse Activities');
    $("#gantt_toggle_task_btn").children().removeClass('fa-expand-alt');
    $("#gantt_toggle_task_btn").children().addClass('fa-compress-alt');
    gantt.render();
}

function toggleCollapseTasks() {
    // collapse task / activity
    console.log('toggleCollapseTasks');
    gantt.eachTask(function (task) {
        task.$open = toggleTasks == "Expand";
    });
    if (toggleTasks == "Expand") {
        updateProperty({ task_open: true })
        // console.log('to collapse');
        toggleTasks = "Collapse";
        $("#gantt_toggle_task_btn").prop('title', 'Collapse Activities');
        $("#gantt_toggle_task_btn").children().removeClass('fa-expand-alt');
        $("#gantt_toggle_task_btn").children().addClass('fa-compress-alt'); // change icon to collapse
    } else {
        // console.log('to expand');
        updateProperty({ task_open: false })
        toggleTasks = "Expand";
        $("#gantt_toggle_task_btn").prop('title', 'Expand Activities');
        $("#gantt_toggle_task_btn").children().removeClass('fa-compress-alt');
        $("#gantt_toggle_task_btn").children().addClass('fa-expand-alt'); // change icon to expand
    }
    gantt.render();
    setGanttOpen();
}


// Function Show / Hide Columns
function getColumnsSelection(node) {
    var selectedColumns = node.querySelectorAll(":checked");
    var unselectedColumn = node.querySelectorAll('input[type="checkbox"]:not(:checked)');
    // var allSelected = node.querySelector("#check-all").prop('checked');
    // console.log("unselectedColumn", unselectedColumn)
    var checkedColumns = {};
    selectedColumns.forEach(function (node) {
        checkedColumns[node.name] = true;
    });
    unselectedColumn.forEach(function (node) {
        checkedColumns[node.name] = false;
    });
    return checkedColumns;
}

function populateColumnsDropdown(node) {
    var visibleColumns = {};
    // var preventHide = ['action'];
    gantt.config.columns.forEach(function (col) {
        visibleColumns[col.name] = true;
    });

    var lines = [];
    allColumns.forEach(function (col) {
        var checked = visibleColumns[col.name] ? "checked" : "";
        // skip action to be pushed
        lines.push(`<label class="${col.name === 'action' ? 'elm-hide2' : ''} dropdown-item"><input type="checkbox" name="${col.name}" ${checked}> ${col.label}</label>`);
    });
    node.innerHTML = '<span class="dropdown-title">Show / Hide Columns</span><br>' + lines.join("<br>");
}

function getDropdownNode() {
    return document.querySelector("#gantt_dropdown");
}

gantt.$showDropdown = function (node) {
    var position = node.getBoundingClientRect();
    var dropDown = getDropdownNode();
    dropDown.style.top = position.bottom + "px";
    dropDown.style.left = position.left - 150 + "px";
    dropDown.style.display = "block";
    populateColumnsDropdown(dropDown);

    dropDown.onchange = function () {
        var selection = getColumnsSelection(dropDown);
        if (readOnly && parseInt(readOnly) == 0) {
            updateShowHideColumn(selection)
        }
        gantt.config.columns = createColumnsConfig(selection);
        gantt.render();
    }

    dropDown.keep = true;
    setTimeout(function () {
        dropDown.keep = false;
    })
}

gantt.$hideDropdown = function () {
    var dropDown = getDropdownNode();
    dropDown.style.display = "none";
}

window.addEventListener("click", function (event) {
    if (!event.target.closest("#gantt_dropdown") && !getDropdownNode().keep) {
        gantt.$hideDropdown();
    }
});

// End Function Show / Hide Columns


// Set Baseline
function setBaseline() {
    var box = gantt.confirm({
        text: "Set Baseline for this gantt chart?",
        ok: "Yes",
        cancel: "No",
        callback: async function (result) {
            if (result) {
                // gantt.message("Yes!");
                // send to API
                await setBaselineAPI();
            } else {
                // gantt.message("No...");
            }
        }
    });
}

// Set Baseline Activity
function setBaselineActivity(activity_id, name) {
    var box = gantt.confirm({
        text: `Set Baseline for this activity <b>${name}</b>?`,
        ok: "Yes",
        cancel: "No",
        callback: async function (result) {
            if (result) {
                await setBaselineActivityAPI(activity_id);
            }
        }
    });
}

async function importUpdate() {
    expandTask();
    var allTasks = [];
    var taskCount = gantt.getTaskCount();

    for (var i = 0; i < taskCount; i++) {
        var task = gantt.getTaskByIndex(i);
        allTasks.push(task);
    }

    $("body").addClass("loading");
    const response = await gantt.ajax.post({
        headers: {
            "Content-Type": "application/json",
            "Authorization": `Bearer ${token}`
        },
        url: `${base_url}activity/import-update`,
        dataType: "json",
        data: JSON.stringify(allTasks)
    }).then(function (response) {
        $("body").removeClass("loading");
        let res = response.responseText
        res = JSON.parse(res)
    }).catch(function (error) {
        $("body").removeClass("loading");
        gantt.alert({
            title: "Peringatan",
            type: "alert-error",
            text: "Update import gagal"
        });
    });
}

async function setBaselineActivityAPI(activity_id) {
    await importUpdate();
    const res = await axiosInstance
        .get(ACTIVITY_SET_BASELINE_ACTIVITY_URL(activity_id), HEADER)
        .then(res => res)
        .catch((error) => error.response);
    if (res && res.status === 200) {
        gantt.message("Set baseline activity success!");
        window.location.reload();
    } else {
        $("body").removeClass("loading");
        gantt.alert({ type: "error", text: "Failed to set baseline activity" });
    }
    gantt.render();
}

async function setBaselineAPI() {
    await importUpdate();
    const res = await axiosInstance
        .get(ACTIVITY_SET_BASELINE_URL, HEADER)
        .then(res => res)
        .catch((error) => error.response);
    console.log('set baseline res', res);
    if (res && res.status === 200) {
        // $('#modal_gantt_setting').modal('hide');
        // gantt.alert("Settings updated");
        // gantt.message(result.data.message);
        gantt.message("Set baseline success!");
        window.location.reload();
    }
    else {
        $("body").removeClass("loading");
        gantt.alert({ type: "error", text: "Failed to set baseline" });
    }
    gantt.render();
}

function setSynchronize() {
    if (!isBaselineSet) {
        // gantt.alert({
        //     title:"Synchronize to Report",
        //     type:"alert-error",
        //     text:"Please set baseline before continue."
        // });
        gantt.confirm({
            text: "Plase set baseline before continue.",
            ok: "Set Baseline",
            cancel: "Cancel",
            callback: async function (result) {
                if (result) {
                    await setBaselineAPI();
                }
            }
        });
        return false;
    }

    var box = gantt.confirm({
        text: "Synchronize to Report Activity?",
        ok: "Yes",
        cancel: "No",
        callback: async function (result) {
            if (result) {
                // gantt.message("Yes!");
                // send to API
                await setSynchronizeAPI()
            } else {
                // gantt.message("No...");
            }
        }
    });
}

function updateSchedule() {
    $("body").addClass("loading");
    return gantt.ajax.get({
        headers: {
            "Content-Type": "application/json",
            "Authorization": `Bearer ${token}`
        },
        url: base_url + "activity/update-schedule/" + ganttId
    }).then(function (response) {
        $("body").removeClass("loading");
        window.location.reload();
    }).catch(function (error) {
        $("body").removeClass("loading")
        gantt.alert({
            title: "Peringatan",
            type: "alert-error",
            text: "Update activity gagal"
        });
    });
}

async function setSynchronizeAPI() {
    const res = await axiosInstance
        .get(ACTIVITY_SYNCHRONIZE_REPORT_URL, HEADER)
        .then(res => res)
        .catch((error) => error.response);

    console.log('synchronize res', res);
    if (res && res.status === 200) {
        // $('#modal_gantt_setting').modal('hide');
        // gantt.alert("Settings updated");
        // gantt.message(result.data.message);
        gantt.message("Synchronize to Report success!");
        window.location.reload();
    }
    else {
        gantt.alert({ type: "error", text: "Failed to Synchronize to Report" });
    }
    gantt.render();
}