<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\Project;
use App\Models\UserToProyek;
use App\Models\Activity;
use App\Models\UserToActivity;
use App\Models\User;
use App\Models\AssignMaterial;
use App\Models\DokumenProject;
use App\Models\FolderDocumentProyek;
use App\Models\ProjectCharter;
use App\Models\ProjectApproval;
use App\Models\ProjectPhase;
use App\Models\ProjectType;
use App\Models\ProjectMileStone;
use App\Models\ProjectParticipants;
use App\Models\ShowHideColumn;
use App\Models\VersionGantt;
use App\Models\Image;
use App\Models\CommentActivity;
use App\Models\Link;
use App\Models\ActivityDokumen;
use App\Models\Holiday;
use App\Models\ReportActivity;
use App\Models\OfficeHours;
use DB;

const API_GEOLOCATION = "https://nominatim.oslogdev.com/search/ADDR?format=json&addressdetails=1&limit=1";

class ProjectController extends Controller
{

	public function add(Request $request)
	{
		$this->validate($request, [
			'nama' => 'required',
			'mulai_proyek' => 'required',
			'akhir_proyek' => 'required',
			'rencana_biaya' => 'required',
			'type_proyek_id' => 'required'
		]);

		$data = $request->all();

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

		if(empty($data['phase_id']))
			$data['phase_id'] = 1;

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

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

		$this->createOfficeHours($result->id);
		$dataResultInsert = Project::where('nama', $data['nama'])->where('mulai_proyek', $data['mulai_proyek'])->first();

		return response()->json(['status'=>'success','message'=>'Data added!', 'data_result' =>$dataResultInsert, '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);

		$result = Project::find($id);

		if(!$result)
			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','message'=>'id is required!','code'=>400], 400);

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

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

		$result = $data->update($request->all());

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

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

	private function createOfficeHours($proyek_id)
	{
		$dataCreate = array(
			"proyek_id"=>$proyek_id,
			"monday_start"=> "08:00:00",
			"monday_end"=> "16:00:00",
			"tuesday_start"=> "08:00:00",
			"tuesday_end"=> "16:00:00",
			"wednesday_start"=> "08:00:00",
			"wednesday_end"=> "16:00:00",
			"thursday_start"=> "08:00:00",
			"thursday_end"=> "16:00:00",
			"friday_start"=> "08:00:00",
			"friday_end"=> "16:00:00",
			"saturday_start"=> "08:00:00",
			"saturday_end"=> "16:00:00",
			"sunday_start"=> "08:00:00",
			"sunday_end"=> "16:00:00",
			"created_by"=> $this->currentName
		);

		OfficeHours::create($dataCreate);

		return true;
	}

	public function delete($id)
	{
		$data = Project::find($id);

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

		$this->deleteRelative($id);

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

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

	private function deleteRelative($project_id)
	{
		UserToProyek::where('proyek_id', $project_id)->delete();
		UserToActivity::where('proyek_id', $project_id)->delete();
		AssignMaterial::where('proyek_id', $project_id)->delete();
		ProjectCharter::where('proyek_id', $project_id)->delete();
		ProjectApproval::where('proyek_id', $project_id)->delete();
		ProjectMileStone::where('proyek_id', $project_id)->delete();
		ProjectParticipants::where('proyek_id', $project_id)->delete();
		$this->deleteVersionGantt($project_id);
		$this->deleteDokumenProject($project_id);
	}

	private function deleteVersionGantt($project_id)
	{
		$dataVg = VersionGantt::where("proyek_id", $project_id)->pluck("id");
		$vhIds = $dataVg->all();
		$activity = Activity::whereIn("version_gantt_id", $vhIds)->pluck('id');
		$activityIds = $activity->all();
		$dataRa = ReportActivity::whereIn("activity_id", $activityIds)->get();
		foreach ($dataRa as $ra) {
			$images = Image::where("ref_id", $ra->id)->where("category", "report_activity")->get();
			foreach ($images as $image) {
				if(file_exists($this->pathImage.$image->image)){
					unlink($this->pathImage.$image->image);
				}
			}
			Image::where("ref_id", $ra->id)->where("category", "report_activity")->delete();
		}
		$dataAd = ActivityDokumen::whereIn("activity_id", $activityIds)->get();
		foreach ($dataAd as $ad) {
			if(file_exists($this->pathActivityDocument.$ad->file)){
				unlink($this->pathActivityDocument.$ad->file);
			}
		}
		ActivityDokumen::whereIn("activity_id", $activityIds)->delete();
		CommentActivity::whereIn("activity_id", $activityIds)->delete();
		Holiday::where("proyek_id", $project_id)->delete();
		VersionGantt::where("proyek_id", $project_id)->delete();
		Link::whereIn("version_gantt_id", $vhIds)->delete();
		ShowHideColumn::whereIn("version_gantt_id", $vhIds)->delete();
		Activity::whereIn("version_gantt_id", $vhIds)->delete();
		ReportActivity::whereIn("activity_id", $activityIds)->delete();
	}

	private function deleteDokumenProject($project_id)
	{
		$dataDokumen = DokumenProject::where("type_dokumen", "project-document-out-folder")->where('ref_id', $project_id)->get();

		foreach ($dataDokumen as $dokumen) {
			if(file_exists($this->pathDocument.$dokumen->file)){
				unlink($this->pathDocument.$dokumen->file);
			}
		}
		DokumenProject::where("type_dokumen", "project-document-out-folder")->where('ref_id', $project_id)->delete();

		$dataFolder = FolderDocumentProyek::where('proyek_id', $project_id)->pluck("id");
		$ref_ids = $dataFolder->all();
		$dataDokumen = DokumenProject::where("type_dokumen", "project-document-in-folder")->whereIn('ref_id', $ref_ids)->get();
		foreach ($dataDokumen as $dokumen) {
			if(file_exists($this->pathDocument.$dokumen->file)){
				unlink($this->pathDocument.$dokumen->file);
			}
		}

		DokumenProject::where("type_dokumen", "project-document-in-folder")->whereIn('ref_id', $ref_ids)->delete();
	}

	public function search(Request $request)
	{
		$payload = $request->all();

		$dataBuilder = $this->setUpPayload($payload, 'm_proyek');
		$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 list()
	{
		$data = Project::orderBy('id', 'desc')->get();
		$countData = $data->count();

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

		$scheduleWarningThreshold = 10;
		$scheduleDangerThreshold = 5;
		foreach($data as $d){
			$progress = $costVariance = $actualCost = 0;
			$lastActivity = null;
			$scheduleHealth = "on-track";
			$rootActivity = Activity::whereNull('parent_id')->where('proyek_id', $d->id)->orderBy('version_gantt_id', 'desc')->first();
			if($rootActivity){
				$costVariance = $d->rencana_biaya - $rootActivity->biaya_actual;
				$actualCost = $rootActivity->biaya_actual ?? 0;
				$progress = $rootActivity->persentase_progress ?? 0;

				$timeleft = strtotime($d->mulai_proyek) - strtotime($rootActivity->end_date);
				$date1 = new \DateTime(date("Y-m-d", strtotime($d->mulai_proyek)));
				$date2 = new \DateTime(date("Y-m-d", strtotime($rootActivity->end_date)));
				$daysRemaining = $date2->diff($date1);
				$daysRemaining = $daysRemaining->d;

				if($daysRemaining <= $scheduleDangerThreshold) {
					$scheduleHealth = "danger";
				} elseif ($daysRemaining <= $scheduleWarningThreshold) {
					$scheduleHealth = "warning";
				}
				$lastActivity = date("d/m/Y", strtotime($rootActivity->end_date));
			}
			$d->plannedInterval = date("d/m/Y", strtotime($d->mulai_proyek)) . " - " . date("d/m/Y", strtotime($d->akhir_proyek));
			$d->plannedCost = $d->rencana_biaya;
			$d->actualCost = $actualCost;
			$d->lastActivity = $lastActivity ?? "-";
			$d->costVariance = $costVariance;
			$d->costHealth = $d->budget_health;
			$d->scheduleHealth = $scheduleHealth;
			$d->progress = $progress;
			$d->lastGanttId = VersionGantt::where("proyek_id", $d->id)->orderBy('id', 'desc')->first()->id ?? null;
			$d->manpower = UserToProyek::where("proyek_id", $d->id)->count() ?? 0;
			$d->projectManager = DB::table('m_proyek')
				 ->join('m_users', 'm_users.id', '=', 'm_proyek.pm_id')
				 ->where('m_proyek.id', $d->id)
				 ->pluck('m_users.name')
				 ->first();
			if($d->area_kerja != ''){
				$d->geolocation = $this->httpReq($d->area_kerja);
				$d->geolocation = [];
			} else {
				$d->geolocation = [];
			}
		}

		$totalPlannedCost = $data->sum('plannedCost');
		$totalActualCost = $data->sum('actualCost');
		$manpowers = User::count();
		$projectsOnDanger = Project::where('budget_health', 'danger')->count();
		$projectPhases = ProjectPhase::orderBy('order', 'asc')->pluck('name');
		$projectTypes = ProjectType::orderBy('id', 'asc')->pluck('name');
		try {
			$projectsByPhase = DB::table('m_proyek')
				->select('m_proyek_phase.name', 'm_proyek_phase.color', DB::raw('count(*) as total'))
				->join('m_proyek_phase', 'm_proyek_phase.id', '=', 'm_proyek.phase_id')
				->groupBy('m_proyek_phase.name', 'm_proyek_phase.color')
				->get();
		} catch (\Exception $e) {
			return response()->json(['message' => $e->getMessage()]);
		}
		try {
			$projectsByType = DB::table('m_proyek')
				->select('m_type_proyek.name', DB::raw('count(*) as total'))
				->join('m_type_proyek', 'm_type_proyek.id', '=', 'm_proyek.type_proyek_id')
				->groupBy('m_type_proyek.name')
				->get();
		} catch (\Exception $e) {
			return response()->json(['message' => $e->getMessage()]);
		}

		return response()->json(
			[
				'status'=>'success',
				'code'=>200,
				'data'=>$data,
				'totalRecord'=>$countData,
				'totalPlannedCost' => $totalPlannedCost,
				'totalActualCost' => $totalActualCost,
				'totalRevenue' => $totalPlannedCost - $totalActualCost,
				'manpowers' => $manpowers,
				'projectsOnDanger'=> $projectsOnDanger,
				'projectPhases' => $projectPhases,
				'projectsByPhase' => $projectsByPhase,
				'projectTypes' => $projectTypes,
				'projectsByType' => $projectsByType,
			], 200);
	}

	private function httpReq($search){
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, str_replace("ADDR", $search, API_GEOLOCATION));

		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_VERBOSE, true);
		curl_setopt($ch, CURLOPT_STDERR, fopen('php://stderr', 'w'));

		$output = curl_exec($ch);
		curl_close($ch);

		return json_decode($output);
	}

}