let geom = [];
let latest;
let earliest;
$("body").addClass("loading");
gantt.ajax.get({
    url: `${base_url}activity/${ganttId}/${proyekId}/get`,
    headers: {
        "Content-Type": "application/json",
        "Authorization": `Bearer ${token}`
    }
}).then(function (xhr) {
    $("body").removeClass("loading");
    let batchEntity = localStorage.getItem('batchEntity');
    if (!batchEntity || batchEntity == '') {
        $("#save-activity").hide();
    } else {
        $("#save-activity").show();
    }
    let data = {};
    let response = xhr.responseText;
    let obj = JSON.parse(response);
    data['data'] = obj.data.data;
    data['links'] = obj.data.links;
    // check if baseline has been set
    if (data.data && data.data.length > 0) {
        if (data.data[0].planned_start !== null && data.data[0].planned_end !== null) {
            isBaselineSet = true;
        }
        else {
            isBaselineSet = false;
        }
    }
    geom = [];
    data.data.forEach(element => {
        geom.push({
            "activity_id": element.id,
            "geom": element.geom
        })
    });
    gantt.silent(function () {
        // updateLinksLag(data);
        gantt.parse(data);
        getGanttOpen();
        gantt.parse(data);
        earliest = getEarliestTaskDate();
        latest = getLatestTaskDate();
    });
}).catch(function (error) {
    $("body").removeClass("loading");
    gantt.alert({
        title: "Peringatan",
        type: "alert-error",
        text: "Get activity gagal"
    });
});

function refresData(id) {
    console.log("refres triggered!!");

    // Store the current scroll position
    var scrollState = {
        x: gantt.getScrollState().x,
        y: gantt.getScrollState().y
    };
    $("body").addClass("loading");
    gantt.ajax.get({
        url: `${base_url}activity/${ganttId}/${proyekId}/get`,
        headers: {
            "Content-Type": "application/json",
            "Authorization": `Bearer ${token}`
        }
    }).then(function (xhr) {
        $("body").removeClass("loading");
        let batchEntity = localStorage.getItem('batchEntity');
        if (!batchEntity || batchEntity == '') {
            $("#save-activity").hide();
        } else {
            $("#save-activity").show();
        }
        gantt.clearAll();
        let data = {};
        let response = xhr.responseText;
        let obj = JSON.parse(response);
        data['data'] = obj.data.data;
        data['links'] = obj.data.links;
        geom = [];
        data.data.forEach(element => {
            geom.push({
                "activity_id": element.id,
                "geom": element.geom
            })
        });
        gantt.silent(function () {
            // updateLinksLag(data);
            gantt.parse(data);
            getGanttOpen();
            gantt.parse(data);
            earliest = getEarliestTaskDate();
            latest = getLatestTaskDate();
        });
        if (id) {
            if (gantt.isTaskExists(id)) {
                expandTask();
            }
        }

        // Restore the scroll position
        gantt.scrollTo(scrollState.x, scrollState.y);

    }).catch(function (error) {
        $("body").removeClass("loading");
        gantt.alert({
            title: "Peringatan",
            type: "alert-error",
            text: "Update activity gagal"
        });
    });
}

// entity - "task"|"link"
// action - "create"|"update"|"delete"
// data - an object with task or link data
// id – the id of a processed object (task or link)
var dp = gantt.createDataProcessor(function (entity, action, data, id) {
    switch (action) {
        case "create":
            if (entity == "task") {
                data['proyek_id'] = proyekId;
                //TODO : Possible end date bug
                data['start_date'] = `${data.start_date}+07`;
                let endDate = moment(data.end_date, "YYYY-MM-DD");
                data['end_date'] = endDate.format("YYYY-MM-DD") + " 23:59:59+07";
                let newDuration = gantt.calculateDuration({
                    start_date: new Date(data['start_date']),
                    end_date: new Date(data['end_date'])
                })
                data['duration'] = newDuration;

                if (data && data.parent) {
                    data['parent_id'] = data.parent;
                }
            }
            data['version_gantt_id'] = ganttId;
            $("body").addClass("loading");
            return gantt.ajax.post({
                headers: {
                    "Content-Type": "application/json",
                    "Authorization": `Bearer ${token}`
                },
                url: base_url + entity,
                data: JSON.stringify(data)
            }).then(function (response) {
                $("body").removeClass("loading");
                let res = response.responseText
                res = JSON.parse(res)
                if (entity == "link") {
                    gantt.changeLinkId(id, res.tid);
                } else if (entity == "task") {
                    gantt.changeTaskId(id, res.tid);
                }
            }).catch(function (error) {
                $("body").removeClass("loading");
                gantt.alert({
                    title: "Peringatan",
                    type: "alert-error",
                    text: "Add activity gagal"
                });
            });
            break;
        case "update":
            if (entity == "task") {
                // let startDate = moment(data.start_date, "YYYY-MM-DD").subtract(1, "days");
                let startDate = moment(data.start_date, "YYYY-MM-DD");
                // data['start_date'] = startDate.format("YYYY-MM-DD")+" 00:00:00+07";
                let endDate = moment(data.end_date, "YYYY-MM-DD");

                if (startDate > endDate) {
                    gantt.alert({
                        title: "Peringatan",
                        type: "alert-error",
                        text: "Tanggal selesai tidak bisa sebelum tanggal mulai!"
                    });
                    data['end_date'] = data['start_date'];
                    refresData(id);
                    return;
                }

                if (data && data.parent) {
                    data['parent_id'] = data.parent;
                }

                Object.keys(data).forEach(function (key) {
                    if (data[key] == "") {
                        data[key] = null;
                    }
                });
            }
            data['geom'] = geom.find(obj => obj.activity_id == id)?.geom;
            let existingEntity = localStorage.getItem('batchEntity');
            if (existingEntity) {
                existingEntity = JSON.parse(existingEntity);
                // Now batchEntity is an object containing your data, and you can access its properties like batchEntity.entity and batchEntity.data
            }
            let batchEntity = {
                entity: entity,
                data: data
            };
            let toBeSet = []
            if (existingEntity) {
                toBeSet = [...existingEntity, batchEntity]
            } else {
                toBeSet = [batchEntity]
            }
            localStorage.setItem('batchEntity', JSON.stringify(toBeSet));
            $("#save-activity").show();
            sendStorage();
            // $("body").addClass("loading");
            // return gantt.ajax.put({
            //     headers: {
            //         "Content-Type": "application/json",
            //         "Authorization": `Bearer ${token}`
            //     },
            //     url: base_url + entity + "/" + id,
            //     data: JSON.stringify(data)
            // }).then(function (response) {
            //     $("body").removeClass("loading");
            //     if (entity == "task") {
            //         let parent = data.parent;
            //         let responseText = JSON.parse(response.responseText)
            //         let resData = responseText
            //         let updateBobot = resData.update_bobot || false
            //         if (updateBobot) {
            //             if (parent && parent > 0) {
            //                 updateActivity(parent);
            //             }
            //         } else if (parent && parent > 0) {
            //             updateActivity(parent);
            //         }
            //         if (!parent) {
            //             refresData();
            //         }
            //     }
            // }).catch(function (error) {
            //     $("body").removeClass("loading");
            //     gantt.alert({
            //         title: "Peringatan",
            //         type: "alert-error",
            //         text: "Update activity gagal"
            //     });
            // });

            break;
        case "delete":
            $("body").addClass("loading");
            return gantt.ajax.del({
                headers: {
                    "Authorization": `Bearer ${token}`
                },
                url: base_url + entity + "/" + id
            }).then(function (response) {
                $("body").removeClass("loading");
                if (entity == "task") {
                    let parent = data.parent;
                    if (parent && parent > 0) {
                        let children = gantt.getChildren(parent);
                        updateActivity(parent);
                        if (children && children.length > 0) {

                        } else {
                            if (gantt.isTaskExists(parent)) {
                                gantt.getTask(parent).type = "task";
                                gantt.updateTask(parent);
                            }
                        }
                    }
                }
            }).catch(function (error) {
                $("body").removeClass("loading");
                gantt.alert({
                    title: "Peringatan",
                    type: "alert-error",
                    text: "Update activity gagal"
                });
            });
            break;
    }
});