<?php
namespace App\Http\Controllers;

use App\Helpers\MasterFunctionsHelper;
use App\Models\Activity;
use App\Models\AssignMaterial;
use App\Models\CommentActivity;
use App\Models\Link;
use App\Models\Project;
use App\Models\TemplateGantt;
use App\Models\TmpImport;
use App\Models\VersionGantt;
use App\Models\UserToActivity;
use App\Models\UserToProyek;
use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use DateTime;

class ActivityController extends Controller
{
	public function getByGanttId($id, $proyek_id)
	{
		$gantt = VersionGantt::find($id);
		if (Activity::where('proyek_id', $proyek_id)->where("version_gantt_id", $id)->count() == 0) {
			if (!$gantt->hierarchy_ftth_id) {
				$this->cloneTemplate($id, $proyek_id);
			} else {
				$this->cloneTemplate($id, $proyek_id, $gantt->hierarchy_ftth_id);
			}
		}

		$dataGantt = $this->getDataActivity($id);

		return response()->json(['status' => 'success', 'data' => $dataGantt, 'code' => 200], 200);
	}

	private function getDataActivity($id)
	{
		$checkHeader = Activity::where('version_gantt_id', $id)->where('type_activity', 'header')->count();
		$finalData = [];
		if ($checkHeader > 0) {
			$dataHeader = Activity::where('version_gantt_id', $id)->where('type_activity', 'header')->first();
			$startDate = date_create($dataHeader->start_date);
			$endDate = date_create($dataHeader->end_date);
			$dataHeader->start_date = date_format($startDate, "Y-m-d H:i:s");
			$dataHeader->end_date = date_format($endDate, "Y-m-d H:i:s");
			$dataHeader->progress = $dataHeader->persentase_progress / 100;
			$dataHeader->planned_start = isset($dataHeader->planned_start) ? date_format(date_create($dataHeader->planned_start), "Y-m-d H:i:s") : NULL;
			$dataHeader->planned_end = isset($dataHeader->planned_end) ? date_format(date_create($dataHeader->planned_end), "Y-m-d H:i:s") : NULL;

			$actualStart = $this->getFirstLastDateActivity($dataHeader->id, "start");
			$dataHeader->actual_start = date_format(date_create($actualStart), "Y-m-d");
			$actualEnd = $this->getFirstLastDateActivity($dataHeader->id, "end");
			$dataHeader->actual_end = isset($actualEnd) ? date_format(date_create($actualEnd), "Y-m-d") : NULL;

			$dataHeader->type = "header";
			$dataHeader->text = $dataHeader->name;
			$finalData[] = $dataHeader;
			$data = Activity::where('version_gantt_id', $id)->where('parent_id', $dataHeader->id)->orderBy('sortorder', 'asc')->get();
		} else {
			$data = Activity::where('version_gantt_id', $id)->whereNull('parent_id')->orderBy('sortorder', 'asc')->get();
		}

		foreach ($data as $objRow) {
			$type = "project";
			$dataChildren = $this->getChildren($id, $objRow->id);
			$startDate = date_create($objRow->start_date);
			$endDate = date_create($objRow->end_date);

			if ($objRow->type_activity == "milestone")
				$type = $objRow->type_activity;
			if (empty($dataChildren))
				$type = "task";

			$objRow->text = $objRow->name;
			$objRow->parent = $objRow->parent_id ? $objRow->parent_id : null;
			$objRow->start_date = date_format($startDate, "Y-m-d H:i:s");
			$objRow->end_date = date_format($endDate, "Y-m-d H:i:s");
			$objRow->planned_start = isset($objRow->planned_start) ? date_format(date_create($objRow->planned_start), "Y-m-d H:i:s") : NULL;
			$objRow->planned_end = isset($objRow->planned_end) ? date_format(date_create($objRow->planned_end), "Y-m-d H:i:s") : NULL;

			$actualStart = $this->getFirstLastDateActivity($objRow->id, "start");
			$objRow->actual_start = isset($actualStart) ? date_format(date_create($actualStart), "Y-m-d") : NULL;
			$actualEnd = $this->getFirstLastDateActivity($objRow->id, "end");
			$objRow->actual_end = isset($actualEnd) ? date_format(date_create($actualEnd), "Y-m-d") : NULL;

			$objRow->progress = $objRow->persentase_progress / 100;
			$objRow->type = $type;
			$finalData[] = $objRow;
			$finalData = array_merge($finalData, $dataChildren);
		}

		$dataLink = Link::where('version_gantt_id', $id)->get();
		$finalLink = [];
		foreach ($dataLink as $objRow) {
			$dataRow = array(
				'id' => $objRow->id,
				'source' => $objRow->s_activity_id,
				'target' => $objRow->t_activity_id,
				'type' => $objRow->type_link,
				'code' => $objRow->code_link
			);
			if ($objRow->lag)
				$dataRow['lag'] = $objRow->lag;
			$finalLink[] = $dataRow;
		}

		$resultData = array(
			"data" => $finalData,
			"links" => $finalLink
		);

		return $resultData;
	}

	private function getChildren($gantt_id, $parent_id)
	{
		$finalData = [];
		$data = Activity::where('version_gantt_id', $gantt_id)->where('parent_id', $parent_id)->orderBy('sortorder', 'asc')->get();
		foreach ($data as $objRow) {
			$objRow->parent = $parent_id;
			$objRow->text = $objRow->name;
			$objRow->progress = (float) $objRow->persentase_progress / 100;
			$startDate = date_create($objRow->start_date);
			$endDate = date_create($objRow->end_date);
			$objRow->start_date = date_format($startDate, "Y-m-d H:i:s");
			$objRow->end_date = date_format($endDate, "Y-m-d H:i:s");
			$objRow->planned_start = isset($objRow->planned_start) ? date_format(date_create($objRow->planned_start), "Y-m-d H:i:s") : NULL;
			$objRow->planned_end = isset($objRow->planned_end) ? date_format(date_create($objRow->planned_end), "Y-m-d H:i:s") : NULL;

			$dataChildren = $this->getChildren($gantt_id, $objRow->id);
			if ($objRow->type_activity == "milestone") {
				$objRow->type = $objRow->type_activity;
				$objRow->actual_start = isset($objRow->actual_start) ? date_format(date_create($objRow->actual_start), "Y-m-d") : NULL;
			} elseif (empty($dataChildren)) {
				$objRow->type = "task";
				$objRow->actual_start = isset($objRow->actual_start) ? date_format(date_create($objRow->actual_start), "Y-m-d") : NULL;
				$objRow->actual_end = isset($objRow->actual_end) ? date_format(date_create($objRow->actual_end), "Y-m-d") : NULL;
				if(isset($objRow->actual_start)){
					$objRow->auto_scheduling = false;
				}
			} else {
				$objRow->type = "project";
				$actualStart = $this->getFirstLastDateActivity($objRow->id, "start");
				$objRow->actual_start = isset($actualStart) ? date_format(date_create($actualStart), "Y-m-d") : NULL;

				$actualEnd = $this->getFirstLastDateActivity($objRow->id, "end");
				$objRow->actual_end = isset($actualEnd) ? date_format(date_create($actualEnd), "Y-m-d") : NULL;
			}
			$finalData[] = $objRow;
			$finalData = array_merge($finalData, $dataChildren);
		}
		return $finalData;
	}

	public function getActivityFirst($parentId){
		$activity = Activity::where('parent_id', $parentId)->orderByRaw('actual_start ASC')->first();
		if (!isset($activity)) {
			return null;
		}
		if($activity->type_activity == "task"){
			// Log::info("activity ", [$activity]);
			return $activity->actual_start;
		}else{
			return $this->getActivityFirst($activity->id);
		}

	}

	public function getFirstLastDateActivity($id, $params){
		if($params == "start"){
			$data = Activity::select('id', 'parent_id', 'name', 'actual_start')->where('parent_id', $id)->get();
		}else{
			$data = Activity::select('id', 'parent_id', 'name', 'actual_end')->where('parent_id', $id)->get();
		}
        $parent = Activity::findOrFail($id);
		$dataFinal=[];
		foreach ($data as $val) {
			$activity = $this->getchildActivityForActual($val->id, $params);
			$dataFinal[] = $val;
			$dataFinal = array_merge($dataFinal, $activity);

		}
		if($params == "start"){
			$actualStartValues = array_column(array_filter($dataFinal, function($item) {
				return isset($item['actual_start']);
			}), 'actual_start');
			$returnActualStartOrEnd = count($actualStartValues) == count($dataFinal) ? min($actualStartValues) : null;
            if (isset($parent)) {
                $parent->actual_start = $returnActualStartOrEnd;
                $parent->save();
            }
		}else{
			$actualEndValues = array_column(array_filter($dataFinal, function($item) {
				return isset($item['actual_end']);
			}), 'actual_end');
			$returnActualStartOrEnd = count($actualEndValues) == count($dataFinal) ? max($actualEndValues) : null;
            if (isset($parent)) {
                $parent->actual_end = $returnActualStartOrEnd;
                $parent->save();
            }
		}

		// return json_encode(["min"=>$minActualStart, "max"=>$maxActualStart]);
		return $returnActualStartOrEnd;
	}

	public function getchildActivityForActual($parent, $params){
		if($params == "start"){
			$activity = Activity::select('id', 'actual_start')->where('parent_id', $parent)->get();
		}else{
			$activity = Activity::select('id', 'actual_end')->where('parent_id', $parent)->get();
		}
		$temp = [];
		foreach($activity as $val1){
			$getChild = $this->getchildActivityForActual($val1->id, $params);
			$temp[] = $val1;
			$temp = array_merge($temp, $getChild);
		}
		return $temp;
	}

	public function getActivityLast($parentId){
		$activity = Activity::where('parent_id', $parentId)->orderByRaw('actual_end DESC')->first();
		if (!isset($activity)) {
			return null;
		}
		if($activity->type_activity == "task"){
			// Log::info("activity ", [$activity]);
			return $activity->actual_end;
		}else{
			return $this->getActivityLast($activity->id);
		}

	}

	private function cloneTemplate($id, $proyek_id, $hierarchy_ftth_id = null)
	{
		$project = Project::find($proyek_id);
		if ($hierarchy_ftth_id) {
			$gantt = VersionGantt::find($id);
			$rootActivity = Activity::create([
				'version_gantt_id' => $id,
				'proyek_id' => $proyek_id,
				'name' => $gantt->name_version,
				'start_date' => $project->mulai_proyek,
				'end_date' => $project->akhir_proyek,
				'rencana_biaya' => $project->rencana_biaya,
				'type_activity' => 'project',
				'created_by' => $this->currentName,
				'sortorder' => 1
			]);
		} else {
			$rootActivity = Activity::create([
				'version_gantt_id' => $id,
				'proyek_id' => $proyek_id,
				'name' => $project->nama,
				'kode_sortname' => $project->kode_sortname,
				'start_date' => $project->mulai_proyek,
				'end_date' => $project->akhir_proyek,
				'rencana_biaya' => $project->rencana_biaya,
				'type_activity' => 'project',
				'created_by' => $this->currentName,
				'sortorder' => 1
			]);
		}

		$resultTypeProject = TemplateGantt::where('proyek_type_id', $project->type_proyek_id)
			->whereNull('parent_id')
			->orderByRaw('id ASC')
			->get();

		foreach ($resultTypeProject as $objRow) {
			$childActivities = TemplateGantt::where("parent_id", $objRow->id)->count();
			$max = Activity::where('version_gantt_id', $id)->max('sortorder');
			$resultNew = Activity::create([
				'type_activity' => $childActivities > 0 ? "project" : "task",
				'version_gantt_id' => $id,
				'parent_id' => $rootActivity->id,
				'proyek_id' => $proyek_id,
				'name' => $objRow->name_activity,
				'start_date' => date("Y-m-d H:i:s"),
				'end_date' => date("Y-m-d H:i:s"),
				'created_by' => $this->currentName,
				'sortorder' => $max + 1
			]);
			$this->getChildrenTemplate($id, $objRow->id, $project->type_project_id, $proyek_id, $resultNew->id, $project->mulai_proyek);
		}
	}

	private function getChildrenTemplate($id, $parent_id, $type_proyek_id, $proyek_id, $parent_new, $firstDay)
	{
		$data = TemplateGantt::where('parent_id', $parent_id)->orderByRaw('id ASC')->get();
		foreach ($data as $objRow) {
			$childActivities = TemplateGantt::where("parent_id", $objRow->id)->count();
			$max = Activity::where('version_gantt_id', $id)->max('sortorder');
			$resultNew = Activity::create([
				'type_activity' => $childActivities > 0 ? "project" : "task",
				'version_gantt_id' => $id,
				'parent_id' => $parent_new,
				'proyek_id' => $proyek_id,
				'name' => $objRow->name_activity,
				'start_date' => $firstDay,
				'end_date' => $firstDay,
				'created_by' => $this->currentName,
				'sortorder' => $max + 1
			]);
			$this->getChildrenTemplate($id, $objRow->id, $type_proyek_id, $proyek_id, $resultNew->id, $firstDay);
		}
	}

	public function add(Request $request)
	{
		$this->validate($request, [
			'version_gantt_id' => 'required'
		]);

		$data = $request->all();
		$data['name'] = $request->text;
		$data['persentase_progress'] = $request->progress;
		$data['created_by'] = $this->currentName;
		$max = Activity::where('version_gantt_id', $request->version_gantt_id)->max('sortorder');
		$data['sortorder'] = $max + 1;
		if (!isset($data['type_activity'])) {
			$data['type_activity'] = "task";
		}

		$parent = $data['parent_id'] ?? null;
		if ($parent) {
			$parentData = Activity::find($parent);
			if ($parentData->parent_id) {
				$parentData->update(["type_activity" => "project"]);
			}
			CommentActivity::where('activity_id', $parent)->delete();
			UserToActivity::where('activity_id', $parent)->delete();
		}

		if (!$result = Activity::create($data))
			return response()->json(['status' => 'failed', 'action' => 'error', 'code' => 500], 500);

		return response()->json(['status' => 'success', 'action' => 'inserted', 'tid' => $result->id, 'code' => 200], 200);
	}

	public function edit($id)
	{
		if (empty($id) || !is_int((int) $id))
			return response()->json(['status' => 'failed', 'message' => 'id is required!', 'code' => 400], 400);

		if (!$result = Activity::find($id))
			return response()->json(['status' => 'failed', 'message' => 'Data not found!', 'code' => 404], 404);

		return response()->json(['status' => 'success', 'code' => 200, 'data' => $result], 200);
	}

	public function update(Request $request, $id)
	{
		if (empty($id) || !is_int((int) $id))
			return response()->json(['status' => 'failed', 'action' => 'error', 'message' => 'id is required!', 'code' => 400], 400);

		$updateBobot = true;
		if (!$data = Activity::find($id))
			return response()->json(['status' => 'failed', 'action' => 'error', 'message' => 'Data not found!', 'code' => 404], 404);
		$dataUpdate = $request->all();

		$dataUpdate['name'] = $request->text;
		$dataUpdate['persentase_progress'] = $request->progress * 100;
		$dataUpdate['updated_by'] = $this->currentName;
		unset($dataUpdate['sortorder']);
		if ($data->type_activity != 'header')
			$dataUpdate['type_activity'] = $request->type;

		if ($request->has("target")) {
			$this->updateOrder($id, $request->target);
		}

		if (!$data->update($dataUpdate))
			return response()->json(['status' => 'failed', 'action' => 'error', 'message' => 'data activity failed updated!', 'code' => 400], 400);

		return response()->json(['status' => 'success', 'update_bobot' => $updateBobot, 'data' => $dataUpdate, 'action' => 'updated', 'message' => 'Activity updated!', 'code' => 200], 200);
	}

	private function updateOrder($taskId, $target)
	{
		$nextTask = false;
		$targetId = $target;

		if (strpos($target, "next:") === 0) {
			$targetId = substr($target, strlen("next:"));
			$nextTask = true;
		}

		if ($targetId == "null")
			return;

		$targetOrder = Activity::find($targetId)->sortorder;
		if ($nextTask)
			$targetOrder++;

		Activity::where("sortorder", ">=", $targetOrder)->increment("sortorder");

		$updatedTask = Activity::find($taskId);
		$updatedTask->sortorder = $targetOrder;
		$updatedTask->save();
	}

	public function updateRegular(Request $request, $id)
	{
		if (empty($id) || !is_int((int) $id))
			return response()->json(['status' => 'failed', 'message' => 'id is required!', 'code' => 400], 400);

		$data = Activity::find($id);

		if (!$data = Activity::find($id))
			return response()->json(['status' => 'failed', 'message' => 'Data not found!', 'code' => 404], 404);

		if (!$data->update($request->all()))
			return response()->json(['status' => 'failed', 'message' => 'Failed to update!', 'code' => 500], 500);

		return response()->json(['status' => 'success', 'message' => 'Activity Updated!', 'code' => 200], 200);
	}

    public function updateSchedule($ganttId){
        if (empty($ganttId) || !is_int((int) $ganttId))
			return response()->json(['status' => 'failed', 'message' => 'id is required!', 'code' => 400], 400);

        $activities = Activity::where('version_gantt_id', $ganttId)->get();
		if (!$activities)
			return response()->json(['status' => 'failed', 'message' => 'Activities not found!', 'code' => 404], 404);
		$duration = 0;
        foreach ($activities as $key => $activity) {
            $assignMaterial = AssignMaterial::where('activity_id', $activity->id)->first();
			if (isset($assignMaterial)) {
				$statusActivity = $assignMaterial->status_activity;
			} else {
				$statusActivity = '';
			}
            if (isset($activity->planned_start) && isset($activity->planned_end) && $statusActivity != "done") {
                // todo check report for no report / progress == 0
                $today = new DateTime();
                $endDate = new DateTime($activity->end_date);
                $startDate = new DateTime($activity->start_date);
                $plannedStart = new DateTime($activity->planned_start);
                $plannedEnd = new DateTime($activity->planned_end);
                $duration = MasterFunctionsHelper::countDays($ganttId, $plannedStart, $plannedEnd);
                if ($today >= $endDate) {
                    $endDate = $today;
                    $bobotPlanning = (int) $activity->bobot_planning;
                    $rerataBobot = $duration > 0 ? $bobotPlanning / $duration : 0;
                    $bobotActual = (int) $activity->persentase_progress/100 * $bobotPlanning;
                    $sisaBobot = $bobotPlanning - $bobotActual;
                    $sisaHari = $rerataBobot > 0 ? $sisaBobot / $rerataBobot : 0;
                    $endDate->modify("+".ceil($sisaHari)." Days");
                    $actualDuration = MasterFunctionsHelper::countDays($ganttId, $startDate, $endDate);
                    $activity->duration = $actualDuration;
                    $activity->end_date = $endDate;
                    $activity->save();
                }
            }
        }
		return response()->json(['status' => 'success', 'message' => 'Activities Updated!', 'code' => 200], 200);
    }

	public function batchUpdate(Request $request, $ganttId)
	{
		$entities = $request->all();
		if (empty($ganttId) || !is_int((int) $ganttId))
			return response()->json(['status' => 'failed', 'message' => 'id is required!', 'code' => 400], 400);
		$activity = Activity::where('version_gantt_id',$ganttId)->get();
		$link = Link::where('version_gantt_id', $ganttId)->get();
		if (!$activity)
			return response()->json(['status' => 'failed', 'message' => 'Activity not found!', 'code' => 404], 404);
		if (!$link)
			return response()->json(['status' => 'failed', 'message' => 'Link not found!', 'code' => 404], 404);
		foreach ($entities as $entity) {
			if ($entity['entity'] == "task") {
				$activityToUpdate = $activity->firstWhere('id', $entity['data']['id']);
				$entity['data']['name'] = $entity['data']['text'];
				$entity['data']['persentase_progress'] = $entity['data']['progress'] * 100;
				if (isset($entity['data']['rencana_biaya'])) {
					$entity['data']['rencana_biaya'] = str_replace(",", ".", $entity['data']['rencana_biaya']);
				}
				if (isset($entity['data']['target'])) {
					$this->updateOrder($entity['data']['id'], $entity['data']['target']);
				}
				if (!$activityToUpdate->update($entity['data']))
					return response()->json(['status' => 'failed', 'message' => 'Failed to update activity !', 'code' => 500], 500);
				$updatedJobsDone = $activityToUpdate->jobs_done;
			} else if ($entity['entity'] == "link") {
				$linkToUpdate = $link->firstWhere('id', $entity['data']['id']);
				if (!$linkToUpdate->update($entity['data']))
					return response()->json(['status' => 'failed', 'message' => 'Failed to update link !', 'code' => 500], 500);
			}
		}
		return response()->json(['status' => 'success', 'message' => 'Activity Updated!', 'code' => 200], 200);
	}

	public function delete($id)
	{
		if (!$data = Activity::find($id))
			return response()->json(['status' => 'failed', 'action' => 'error', 'message' => 'Data not found!', 'code' => 404], 404);

		if (!$data->delete())
			return response()->json(['status' => 'failed', 'action' => 'error', 'message' => 'data activity failed deleted!', 'code' => 500], 500);

		return response()->json(['status' => 'success', "action" => "deleted", 'message' => 'data activity successfully deleted!', 'code' => 200], 200);
	}

	public function getUpdate($id)
	{
		if (!$data = Activity::find($id))
			return response()->json(['status' => 'failed', 'action' => 'error', 'message' => 'Data not found!', 'code' => 400], 400);

		$data->progress = (float) $data->persentase_progress / 100;
		$data->rencana_biaya = str_replace(".", ",", $data->rencana_biaya);
		return response()->json(['status' => 'success', "data" => $data, 'code' => 200], 200);
	}

	public function search(Request $request)
	{
		$dataBuilder = $this->setUpPayload($request->all(), 'm_activity');
		$builder = $dataBuilder['builder'];
		$countBuilder = $dataBuilder['count'];
		$dataGet = $builder->get();
		$totalRecord = $countBuilder->count();
		return response()->json(['status' => 'success', 'code' => 200, 'data' => $dataGet, 'totalRecord' => $totalRecord], 200);
	}

    public function searchAnalysisPrep(Request $request)
	{
		$data = $request->all();
        $dataGet = DB::table('m_activity')
                        ->select('m_activity.name')
						->where('m_activity.proyek_id', $data['columns'][0]['value'])
                        ->where('m_activity.type_activity', 'task')
                        ->where('m_activity.persentase_progress', '>', 0)
                        ->groupByRaw('m_activity.name')
		                ->get();
		return response()->json(['status' => 'success', 'code' => 200, 'data' => $dataGet ], 200);
	}

    public function searchAnalysis(Request $request)
	{
		$dataBuilder = $this->setUpPayload($request->all(), 'm_activity');
		$builder = $dataBuilder['builder'];
        $dataGet = $builder->select(    'selfTable.name', 'persentase_progress',
                                        'm_version_gantt.name_version', 'm_users.name as user_name',
                                        DB::raw('SUM(report_activity_material.qty) as qty'), 'assign_material_to_activity.qty_planning',
                                        'assign_material_to_activity.id as join_third_id')
                        ->join('m_version_gantt', 'm_version_gantt.id', '=', 'selfTable.version_gantt_id')
                        ->join('assign_hr_to_activity', 'assign_hr_to_activity.activity_id', '=', 'selfTable.id')
                        ->join('m_users', 'assign_hr_to_activity.user_id', '=', 'm_users.id')
                        ->join('report_activity_material', 'report_activity_material.activity_id', '=', 'selfTable.id')
                        ->join('assign_material_to_activity', 'assign_material_to_activity.activity_id', '=', 'selfTable.id')
                        ->groupBy("selfTable.id")
                        ->groupBy("selfTable.name")
                        ->groupBy("selfTable.persentase_progress")
                        ->groupBy("m_version_gantt.name_version")
                        ->groupBy("m_users.name")
                        ->groupBy("assign_material_to_activity.qty_planning")
                        ->groupBy("assign_material_to_activity.id")
		                ->get();
		return response()->json(['status' => 'success', 'code' => 200, 'data' => $dataGet ], 200);
	}
	// before upload file
	public function importOld(Request $request)
	{
		$data = $request->all();

		$data['created_by'] = $this->currentName;

		Activity::where('version_gantt_id', $data['ganttId'])->delete();

		$projectId = VersionGantt::where('id', $data['ganttId'])->first()->proyek_id;
		$dayOffs = VersionGantt::where('id', $data['ganttId'])->first()->config_dayoff;

		$activityStack = [];

		$hasWeight = false;

		foreach ($data['activities'] as $key => $value) {
			if (isset($value['weight']) && $value['weight'] != null && $value['weight'] != 0) {
				$hasWeight = true;
				break;
			}
		}

		if (!$hasWeight) {
			foreach ($data['activities'] as $key => $value) {
				if ($key == 0) {
					$data['activities'][$key]['weight'] = 100;
				} else {
					$parentWeight = 0;
					$siblingsCount = 1;

					$i = $key;
					while ($i > 0) {
						if ($data['activities'][$i - 1]['level'] == $data['activities'][$key]['level'] - 1) {
							$parentWeight = $data['activities'][$i - 1]['weight'];
							break;
						}
						if ($data['activities'][$key]['level'] == $data['activities'][$i]['level']) {
							$siblingsCount++;
						}
						$i--;
					}

					$i = $key + 1;
					while ($i < count($data['activities'])) {
						if ($data['activities'][$i]['level'] == $data['activities'][$key]['level'] - 1) {
							break;
						}
						// Log::info('level '.$data['activities'][$key]['level'].' i level '.$data['activities'][$i]['level']);
						if ($data['activities'][$key]['level'] == $data['activities'][$i]['level']) {
							$siblingsCount++;
						}
						$i++;
					}

					$data['activities'][$key]['weight'] = $parentWeight / $siblingsCount;
				}
			}
			;
		}
		$projectStart = Project::select('mulai_proyek')->where('id', $projectId)->first();
		foreach ($data['activities'] as $i => $activity_row) {
			$startDate = new \DateTime($projectStart->mulai_proyek);
			$endDate = clone $startDate;
			$endDate->modify('-1 day');
			$daysRemaining = $activity_row['duration'];

			// Loop until the remaining days become zero
			while ($daysRemaining > 0) {
				$endDate->modify('+1 day');

				// Check if the current day is a day off (Sunday or Saturday)
				$currentDayOfWeek = (int) $endDate->format('w');
				if (strpos($dayOffs, (string) $currentDayOfWeek) !== false) {
					continue; // Skip the day off and continue to the next day
				}

				$daysRemaining--; // Decrease the remaining days by one
			}
			$endDate->setTime(23, 59, 59);
			$input['name'] = $activity_row['name'];
			$input['proyek_id'] = $projectId;
			$input['version_gantt_id'] = $data['ganttId'];
			$input['parent_id'] = null;
			$input['start_date'] = $startDate->format('Y-m-d');
			$input['end_date'] = $endDate->format('Y-m-d H:i:sO');
			$input['duration'] = $activity_row['duration'];
			$input['bobot_planning'] = $activity_row['weight'];
			$input['persentase_progress'] = 0;
			$input['type_activity'] = $i == 0 ? "header" : "task";
			$input['created_by'] = $this->currentName;
			$input['sortorder'] = $activity_row['no'];

			if (!$activity = Activity::create($input)) {
				Activity::where('version_gantt_id', $data['ganttId'])->delete();
				return response()->json(['status' => 'error', 'message' => 'Input failed on ' . $activity['name'], 'code' => 500], 500);
			}

			$data['activities'][$i]['activity_id'] = $activity->id;

			if ($i == 0) {
				$activity->type_activity = "project";
				$activity->save();
				$activity->level = $activity_row['level'];
				array_push($activityStack, $activity);
				continue;
			}

			$activity->level = $activity_row['level'];

			if ($lastStack = end($activityStack)) {
				$levelLowerThanLastStack = $activity->level < $lastStack->level;
				$levelEqualWithLastStack = $activity->level == $lastStack->level;

				if ($levelLowerThanLastStack) {
					$lastStackIsNotRight = $levelLowerThanLastStack;
					do {
						array_pop($activityStack);
						$lastStack = end($activityStack);
						if ($lastStack) {
							if ($activity->level > $lastStack->level)
								$lastStackIsNotRight = false;
						} else {
							$lastStackIsNotRight = false;
						}
					} while ($lastStackIsNotRight);
				}

				if ($levelEqualWithLastStack) {
					array_pop($activityStack);
				}
			}

			$activity->parent_id = $activityStack[count($activityStack) - 1]->id ?? null;
			array_push($activityStack, $activity);
			// there should be better way to except / filter attribute level before save because it's cause error
			// cant use except() / filter() on $activity collection somehow
			unset($activity->level);
			$activity->save();
			$activity->level = $activity_row['level'];

			if (@$activityStack[count($activityStack) - 1]->level != $activity->level && $activity->level != $data['activities'][$i - 1]['level']) {
				array_push($activityStack, $activity);
			}

			if ($activity->level < @$data['activities'][$i + 1]['level']) {
				unset($activity->level);
				$activity->type_activity = "project";
				$activity->save();
				$activity->level = $activity_row['level'];
			}
			if (isset($data['activities'][$i]['nik']) && $data['activities'][$i]['nik'] != '') {
				$user = User::where("ktp_number", $data['activities'][$i]['nik'])->first();
				$userProyek = UserToProyek::where("user_id", $user->id)
					->where("proyek_id", $projectId)
					->first();

				$dataInsert = array(
					"user_id" => $user->id,
					"activity_id" => $activity->id,
					"role_proyek_id" => $userProyek->project_role,
					"proyek_id" => $projectId,
					"created_by" => $this->currentName,
					"version_gantt_id" => $data['ganttId']
				);
				UserToActivity::create($dataInsert);
			}

			if (!empty($activity_row['predecessor'])) {
				$key = array_search($activity_row['predecessor'], array_column($data['activities'], 'no'));

				if (!isset($data['activities'][$key]['activity_id']) || !$predecessorActivity = Activity::find($data['activities'][$key]['activity_id']))
					continue;

				$predecessorFinishDate = new \DateTime($predecessorActivity->end_date);
				$interval = $predecessorFinishDate->diff(new \DateTime($activity->start_date));
				$diff = $interval->days;

				Link::create([
					'created_by' => $this->currentName,
					's_activity_id' => $predecessorActivity->id,
					't_activity_id' => $activity->id,
					'type_link' => 0,
					'code_link' => 'FS',
					'version_gantt_id' => $data['ganttId'],
					'lag' => null,
				]);
			}
		}

		return response()->json(['stack' => $activityStack, 'status' => 'success', 'message' => 'Data imported!', 'projectId' => $projectId, 'code' => 200], 200);
	}

	private function getLatestGantt($id)
	{
		$maxGanttId = VersionGantt::where("proyek_id", $id)->max("id");
		$data = array(
			"last_gantt_id" => $maxGanttId,
			"proyek_id" => $id
		);
		return $data;
	}

	public function getCalculateCurvaS(Request $request) // for adw (plan & actual == date)
	{
		$dataPayload = $request->all();
		$allGantt = [];
		if (isset($dataPayload['gannt_id'])) {
			$allGantt = $dataPayload['gannt_id'];
		} else {
			foreach ($dataPayload['project_id'] as $val) {
				$allGantt[] = $this->getLatestGantt($val);
			}
		}
		$dataFinal = [];
		foreach ($allGantt as $keyGantt) {
			$dataProject = Project::find($keyGantt['proyek_id']);
			$dataHeader = Activity::where('type_activity', 'header')->where("proyek_id", $keyGantt['proyek_id'])->where("version_gantt_id", $keyGantt['last_gantt_id'])->first();
			if ($dataHeader) {
				$totalRencanaBudget = Activity::where('parent_id', $dataHeader->id)->where("proyek_id", $keyGantt['proyek_id'])->where("version_gantt_id", $keyGantt['last_gantt_id'])->sum("rencana_biaya");
			} else {
				$totalRencanaBudget = Activity::whereNull('parent_id')->where("proyek_id", $keyGantt['proyek_id'])->where("version_gantt_id", $keyGantt['last_gantt_id'])->sum("rencana_biaya");
			}
			$minDate = DB::table('assign_material_to_activity as ama')
				->where("ama.proyek_id", $keyGantt['proyek_id'])
				->join('m_activity as a', 'a.id', '=', 'ama.activity_id')
				->where('a.version_gantt_id', '=', $keyGantt['last_gantt_id'])
				->min("plan_date");
			$maxDate = DB::table('assign_material_to_activity as ama')
				->where("ama.proyek_id", $keyGantt['proyek_id'])
				->join('m_activity as a', 'a.id', '=', 'ama.activity_id')
				->where('a.version_gantt_id', '=', $keyGantt['last_gantt_id'])
				->max("plan_date");
			$begin = new \DateTime($minDate);
			$end = new \DateTime($maxDate);
			$end2 = new \DateTime($maxDate);
			$interval = \DateInterval::createFromDateString('1 day');
			$period = new \DatePeriod($begin, $interval, $end);
			$arr_ActualM = [];
			$tempDate = [];
			$tempPercentage = [];
			$tempTtlPercentPlan = 0;
			$tempTtlPercentActual = 0;
			$currentACWP = 0;
			$budgetControlACWP = 0;
			$currentProgressActivity = 0;
			$currentBCWP = 0;
			$budgetControlBCWP = 0;
			foreach ($period as $dt) {
				$dataPlanM = DB::table('assign_material_to_activity as ama')
					->select('ama.activity_id', 'ama.qty_planning', 'ama.plan_date', 'ama.start_activity', 'a.bobot_planning', 'a.biaya_actual', 'a.duration', 'a.persentase_progress')
					->join('m_activity as a', 'a.id', '=', 'ama.activity_id')
					->where('ama.proyek_id', '=', $keyGantt['proyek_id'])
					->where('a.version_gantt_id', '=', $keyGantt['last_gantt_id'])
					->whereDate('ama.plan_date', $dt->format("Y-m-d"))
					->get();
				$dataActualM = DB::table('report_activity_material as ram')
					->select('ram.activity_id', 'ram.qty', 'ram.report_date', 'a.bobot_planning', 'a.biaya_actual', 'a.duration', 'a.persentase_progress')
					->join('m_activity as a', 'a.id', '=', 'ram.activity_id')
					->where('a.version_gantt_id', '=', $keyGantt['last_gantt_id'])
					->where('a.proyek_id', '=', $keyGantt['proyek_id'])
					->whereDate('ram.report_date', $dt->format("Y-m-d"))
					->get();
				$dataTempPlan = [];
				$x = 0;
				$sumPercentagePlan = 0;
				$totalACWP = isset($totalACWP) ? $totalACWP : 0;
				$totalBCWP = isset($totalBCWP) ? $totalBCWP : 0;
				foreach ($dataPlanM as $keyPlanM) {
					$sumVolPlan = DB::table('assign_material_to_activity')
						->select('activity_id', DB::raw('SUM(qty_planning) as ttl_qty_plan'))
						->where('activity_id', '=', $keyPlanM->activity_id)
						->groupBy('activity_id')
						->first();
					$dataTempPlan[$x]['activity_id'] = $keyPlanM->activity_id;
					$dataTempPlan[$x]['qty_plan'] = $keyPlanM->qty_planning;
					$dataTempPlan[$x]['plan_date'] = $keyPlanM->plan_date;
					$dataTempPlan[$x]['start_activity'] = $keyPlanM->start_activity;
					$dataTempPlan[$x]['bobot_planning'] = $keyPlanM->bobot_planning;
					$dataTempPlan[$x]['ttl_plan'] = $sumVolPlan->ttl_qty_plan;
					$dataTempPlan[$x]['biaya_actual'] = $keyPlanM->biaya_actual;
					$dataTempPlan[$x]['duration'] = $keyPlanM->duration;
					$dataTempPlan[$x]['persentase_progress'] = $keyPlanM->persentase_progress;
					$dataTempPlan[$x]['percentage'] = ($keyPlanM->qty_planning / $sumVolPlan->ttl_qty_plan) * $keyPlanM->bobot_planning;
					$sumPercentagePlan += ($keyPlanM->qty_planning / $sumVolPlan->ttl_qty_plan) * $keyPlanM->bobot_planning;
					$totalBCWP += (((($keyPlanM->persentase_progress * $keyPlanM->bobot_planning) / 100) / $keyPlanM->duration) * $totalRencanaBudget) / 100;
					$dataTempPlan[$x]['totalBCWP'] = $totalBCWP;
					$x++;
				}
				$w = 0;
				$dataTempReport = [];
				$sumPercentageActual = 0;
				foreach ($dataActualM as $keyActualM) {
					$sumVolActual = DB::table('assign_material_to_activity')
						->select('activity_id', DB::raw('SUM(qty_planning) as ttl_qty_plan'))
						->where('activity_id', '=', $keyActualM->activity_id)
						->groupBy('activity_id')
						->first();
					$dataTempReport[$w]['activity_id'] = $keyActualM->activity_id;
					$dataTempReport[$w]['qty'] = $keyActualM->qty;
					$dataTempReport[$w]['report_date'] = $keyActualM->report_date;
					$dataTempReport[$w]['bobot_planning'] = $keyActualM->bobot_planning;
					$dataTempReport[$w]['ttl_plan'] = $sumVolActual->ttl_qty_plan;
					$dataTempReport[$w]['biaya_actual'] = $keyActualM->biaya_actual;
					$dataTempReport[$w]['duration'] = $keyActualM->duration;
					$dataTempReport[$w]['persentase_progress'] = $keyActualM->persentase_progress;
					$dataTempReport[$w]['percentage'] = ($keyActualM->qty / $sumVolActual->ttl_qty_plan) * $keyActualM->bobot_planning;
					$sumPercentageActual += ($keyActualM->qty / $sumVolActual->ttl_qty_plan) * $keyActualM->bobot_planning;
					$totalACWP += $keyActualM->biaya_actual / $keyActualM->duration;
					$dataTempReport[$w]['totalacwp'] = $totalACWP;
					$w++;
				}
				$arr_ActualM[] = array(
					'date' => $dt->format("Y-m-d"),
					'percentPlan' => $sumPercentagePlan,
					'percentActual' => $sumPercentageActual,
					'plan' => $dataTempPlan,
					'actual' => $dataTempReport,
				);
				if (isset($dataPayload['period']) && $dataPayload['period'] == 'week') {
					if ($dt->format("w") == 1) {
						if ($totalACWP > 0) {
							$budgetControlACWP = $currentACWP + $totalACWP;
						}
						if ($totalBCWP > 0) {
							$budgetControlBCWP = $currentBCWP + $totalBCWP;
						}
						$tempTtlPercentPlan += $sumPercentagePlan;
						$tempTtlPercentActual += $sumPercentageActual;
						$currentACWP += $totalACWP;
						$currentBCWP += $totalBCWP;
						$tempPercentage[] = array(round($tempTtlPercentPlan, 2), round($tempTtlPercentActual, 2));
						$tempDate[] = array($dt->format("Y-m-d"), 0, 0);
					} else if ($dt->format("Y-m-d") == $end2->format("Y-m-d")) {
						$tempTtlPercentPlan += $sumPercentagePlan;
						$tempTtlPercentActual += $sumPercentageActual;
						$currentACWP += $totalACWP;
						$currentBCWP += $totalBCWP;
						$tempPercentage[] = array(round($tempTtlPercentPlan, 2), round($tempTtlPercentActual, 2));
						$tempDate[] = array($dt->format("Y-m-d"), 0, 0);
						$tempTtlPercentPlan = 0;
						$tempTtlPercentActual = 0;
					}
				} else {
					$tempPercentage[] = array(round($sumPercentagePlan, 2), round($sumPercentageActual, 2));
					$tempDate[] = array($dt->format("Y-m-d"), 0, 0);
				}
			}
			if (round($totalACWP, 0) > $totalRencanaBudget) {
				$estimatedCost = round($totalACWP, 0) + 0;
			} else {
				$estimatedCost = ($totalRencanaBudget + 0);
			}
			$costDeviation = $totalRencanaBudget - $estimatedCost;
			if ($costDeviation > 0) {
				$potential = "SAVING";
			} else {
				$potential = $costDeviation == 0 ? "ON BUDGET" : "OVERRUN";
			}
			$dataResponse = array(
				"date" => $tempDate,
				"percentage" => $tempPercentage,
				"data_details" => $arr_ActualM,
				"budget_control" => array(
					"current_budget" => $totalRencanaBudget,
					"acwp" => round($totalACWP, 0),
					"bcwp" => round($totalBCWP, 0),
					"rem_to_complete" => ($totalRencanaBudget - round($totalACWP, 0)),
					"add_cost_to_complete" => 0,
					"estimated_at_completion" => $estimatedCost,
					"cost_deviation" => $costDeviation,
					"potential" => $potential,
				)
			);
			$dataFinal[] = array(
				"proyek_name" => $dataProject->nama,
				"data" => $dataResponse,
				"allGant" => $allGantt
			);
		}
		return response()->json(['status' => 'success', 'code' => 200, 'data' => $dataFinal], 200);
	}

	public function import(Request $request)
	{
		$data = $request->all();
		$data['created_by'] = $this->currentName;
		Activity::where('version_gantt_id', $data['gantt_id'])->delete();
		$projectId = VersionGantt::where('id', $data['gantt_id'])->first()->proyek_id;
		// get data excel
		$excel = TmpImport::latest('id')->first();

		return response()->json(['stack' => $excel, 'status' => 'success', 'message' => 'Data imported!', 'data' => $data, 'code' => 200], 200);
	}

	public function uploadTmpImport(Request $request)
	{
		if ($request->hasFile('dokumen')) {
			$document = $request->file('dokumen');
			$gantt_id = $request->gantt_id;
			$name = $document->getClientOriginalName();

			$result = $document->move($this->pathTmpImport, $name);
			if ($result) {
				$data = [
					'gantt_id' => (int) $gantt_id,
					'file' => $name,
					'type_dokumen' => $request->type_dokumen
				];

				$result = TmpImport::create($data);

				if (!$result) {
					unlink($this->pathTmpImport . $name);
					return response()->json(['status' => 'failed', 'message' => 'Upload failed!', 'code' => 500], 500);
				}
				return response()->json(['status' => 'success', 'message' => 'Upload successful!', 'code' => 200], 200);

			}
			return response()->json(['status' => 'failed', 'message' => 'Upload failed!', 'code' => 500], 500);
		}
		return response()->json(['status' => 'failed', 'message' => 'File is required!', 'code' => 400], 400);
	}

	public function importUpdate(Request $request)
	{
		$data = $request->all();
		foreach ($data as $value) {
			$activity = Activity::find($value['id']);
			$activity->duration = $value['duration'];
			$activity->start_date = $value['start_date'];
			$activity->end_date = $value['end_date'];
			$activity->save();
		}
		return response()->json(['status' => 'success', 'data' => $request, 'message' => 'Update successful!', 'code' => 200], 200);
	}
}