gantt.ajax.get({
    url: `${base_url}activity/${ganttId}/${proyekId}/get`,
    headers: {
        "Content-Type": "application/json",
        "Authorization": `Bearer ${token}`
    }
}).then(function (xhr) {
    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;
        }
    }
	gantt.silent(function () {
		gantt.parse(data);
	});
  if (Date.now() < timestamp) {
    expandTask();
    var allTasks = [];
    var taskCount = gantt.getTaskCount();

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

    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){
        let res = response.responseText
        res = JSON.parse(res)
        if (res) {
          refresData();
        }
    });
  }
});

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

    // Store the current scroll position
    var scrollState = {
        x: gantt.getScrollState().x,
        y: gantt.getScrollState().y
    };

    gantt.ajax.get({
        url: `${base_url}activity/${ganttId}/${proyekId}/get`,
        headers: {
            "Content-Type": "application/json",
            "Authorization": `Bearer ${token}`
        }
    }).then(function (xhr) {
        gantt.clearAll();
        let data = {};
        let response =  xhr.responseText;
        let obj = JSON.parse(response);
        data['data'] = obj.data.data;
        data['links'] = obj.data.links;
		gantt.silent(function () {
			gantt.parse(data);
		});
        if(id){
            if(gantt.isTaskExists(id)){
                expandTask();
            }
        }

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

// 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;
            return gantt.ajax.post({
                headers: {
                  "Content-Type": "application/json",
                  "Authorization": `Bearer ${token}`
                },
                url: base_url + entity,
                data:JSON.stringify(data)
            }).then(function(response){
                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);
                }
            });
        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");
				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(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;
                    }
                });
            }
           
            return gantt.ajax.put({
                headers: {
                  "Content-Type": "application/json",
                  "Authorization": `Bearer ${token}`
                },
                url: base_url + entity + "/" + id,
                data:JSON.stringify(data)
            }).then(function(response){
                if(entity=="task"){
                    let parent = data.parent;
                    let responseText = JSON.parse(response.responseText)
                    let resData = responseText
                    let updateBobot = resData.update_bobot || false
                    if(parent && parent > 0){
                        updateActivity(parent);
                    }
                    if(updateBobot){
                        refresData(id);
                    }
                }
            });

        break;
        case "delete":
            return gantt.ajax.del({
                headers: {
                  "Authorization": `Bearer ${token}`
                },
                url: base_url + entity + "/" + id
            }).then(function(response){
                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);
                            }
                        }
                    }
                }
            });
         break;
   }
});