<?php

namespace App\Http\Controllers;

use App\Helpers\MasterFunctionsHelper;
use App\Models\Divisi;
use App\Models\Project;
use App\Models\ProjectPhase;
use App\Models\User;
use App\Models\UserToVersionGantt;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\DB;

class DashboardBoDController extends Controller
{
	private function interpolateYear($year){
		if($year)
			$year = '%'.$year.'%';
		return $year;
	}

	private function curlReq($url, $token){
		$ch = curl_init();
		$headers = [
			'Authorization: '.$token
		];
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

		$response = curl_exec($ch);
		if ($response === false)
			$response = curl_error($ch);
		curl_close($ch);

		return json_decode($response);
	}

	private function getInvoiceIntegration($search) {
		if(empty($search))
			return response()->json(['status'=>'error', 'message'=>'Empty query string!'], 400);

		$url = str_replace("SEARCH", $search, config('api.adw').'/project_cost?project_no=SEARCH');
		$token = config('api.adw_token');
		$response = $this->curlReq($url, $token);

		if(@$response->data->project_no == "")
			return null;

		return $response;
	}

	// to do
	public function getCompanyCashFlow($year = '%') {
		$year = $this->interpolateYear($year);
		$totalExpenditure = $totalInvoice = $totalPaidInvoice = 0;

		// we can't use eloquent's sum() method because someone decided to use varchar as datatype in rencana_biaya field
		$totalBudgets = Project::select(DB::raw('SUM(CAST("rencana_biaya" AS DOUBLE PRECISION))'))
			->where('mulai_proyek', 'like', $year)
		/* ->orWhere('akhir_proyek', 'like', $year) */
			->pluck('sum')
			->first();

		$projects = Project::where('mulai_proyek', 'like', $year)
			/* ->orWhere('akhir_proyek', 'like', $year) */
			->get();
		foreach($projects as $project){
			$project->expenses = 0;

			$resp = null;
			if($project->kode_sortname != ""){
				$resp = $this->getInvoiceIntegration($project->kode_sortname);
				/* $resp = $project->kode_sortname; */
				$cost = $resp->data->total_cost ?? 0;
				$cost = substr($cost, 0, strpos($cost, "."));
				$totalExpenditure+= (int) $cost;
				$totalInvoice += $resp->data->total_invoice_amount ?? 0;
				$totalPaidInvoice += $resp->data->total_invoice_paid_amount ?? 0;
			}

		}

		return response()->json([
			'data' => [
				'total_budget' => (int) $totalBudgets ?? 0,
				'total_expenditure' => $totalExpenditure,
				'total_invoice' => $totalInvoice,
				'total_paid_invoice' => $totalPaidInvoice ,
			]
		], 200);
	}

	public function getInvoiceOutstanding($year = '%'){
		$year = $this->interpolateYear($year);
		$projects = Project::where('mulai_proyek', 'like', $year)
			/* ->orWhere('akhir_proyek', 'like', $year) */
			->get();
		$return = [];
		foreach($projects as $project){
			$resp = null;
			if($project->kode_sortname != ""){
				$resp = $this->getInvoiceIntegration($project->kode_sortname);
				array_push($return, [
					'project' => $project->nama,
					'project_code' => $project->kode_sortname,
					'invoiced' => $resp->data->total_invoice_amount ?? 0,
					'paid' => $resp->data->total_invoice_paid_amount ?? 0,
					'response' => $resp,
				]);
			}
		}

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

	public function getTotalProjectPerScheduleHealth($year = '%'){
		$year = $this->interpolateYear($year);

		$return = [
			'behind-schedule' => 0,
			'warning' => 0,
			'on-schedule' => 0,
		];

		$projects = Project::where('mulai_proyek', 'like', $year)->get();
		foreach($projects as $project) {
			$project->scurve = MasterFunctionsHelper::getSCurve($project->id);
			try {
			if(@$project->scurve['difference'] > 0 && @$project->scurve['difference'] <= 5)
				$return['warning'] += 1;
			elseif(@$project->scurve['difference'] > 5 && @$project->scurve['difference'] <= 100)
				$return['behind-schedule'] += 1;
			elseif(@$project->scurve['difference'] == 0)
				$return['on-schedule'] += 1;
			} catch (\Error $e) {
					return response()->json(['msg' => $e->getMessage(), 'data' => $project], 200);
			}
		}

		return response()->json(['data' => $return, 'q' => $projects], 200);
	}

	public function getTotalProjectScheduleHealthPerDivision($year = '%'){
		$year = $this->interpolateYear($year);

		$divisions = Divisi::whereNull('parent')->get();
		foreach($divisions as $division){

			$scheduleData = new Collection();
			$behindSchedule = $warning = $onSchedule = 0;

			$projects = Project::where('mulai_proyek', 'like', $year)->where('divisi_id', $division->id)->get();
			foreach($projects as $project) {
				$project->scurve = MasterFunctionsHelper::getSCurve($project->id);
				if(@$project->scurve['difference'] > 0 && @$project->scurve['difference'] <= 5)
					$warning++;
				elseif(@$project->scurve['difference'] > 5 && @$project->scurve['difference'] <= 100)
					$behindSchedule++;
				elseif(@$project->scurve['difference'] == 0)
					$onSchedule++;
			}

			$scheduleData->prepend($behindSchedule, 'behindSchedule');
			$scheduleData->prepend($warning, 'warning');
			$scheduleData->prepend($onSchedule, 'onSchedule');
			$division->scheduleData = $scheduleData;
		}
		return response()->json([
			'data' => [
				$divisions
			]
		], 200);
	}

	public function getTotalProjectPerBudgetHealth($year = '%'){
		$year = $this->interpolateYear($year);
		return response()->json([
			'data' => [
				'overrun' => Project::where('mulai_proyek', 'like', $year)->where('budget_health', 'overrun')->count(),
				'warning' => Project::where('mulai_proyek', 'like', $year)->where('budget_health', 'warning')->count(),
				'on-budget' => Project::where('mulai_proyek', 'like', $year)->where('budget_health', 'on-budget')->count(),
			]
		], 200);
	}

	private function countTotalProjectByBudgetHealthInDivision($divisi, $year, $health){
		return Project::where('divisi_id', $divisi)
			->where('mulai_proyek', 'like', $year)
		/* ->orWhere('akhir_proyek', 'like', $year) */
			->where('budget_health', $health)
			->count();
	}


	public function getTotalProjectBudgetHealthPerDivision($year = '%'){
		$year = $this->interpolateYear($year);
		$divisions = Divisi::select('id','name')
			->with('children')
			->whereNull('parent')
			->get();
		// to do : count in more than 1 level child
		foreach($divisions as $division){
			$budgetData = new Collection();
			$budgetData->prepend($this->countTotalProjectByBudgetHealthInDivision($division->id, $year, 'overrun'), 'overrun');
			$budgetData->prepend($this->countTotalProjectByBudgetHealthInDivision($division->id, $year, 'warning'), 'warning');
			$budgetData->prepend($this->countTotalProjectByBudgetHealthInDivision($division->id, $year, 'on-budget'), 'on-budget');
			foreach($division->children as $d){
				$budgetData['overrun'] += $this->countTotalProjectByBudgetHealthInDivision($d->id, $year, 'overrun');
				$budgetData['warning'] += $this->countTotalProjectByBudgetHealthInDivision($d->id, $year, 'warning');
				$budgetData['on-budget'] += $this->countTotalProjectByBudgetHealthInDivision($d->id, $year, 'on-budget');
			}
			unset($division->children);
			$division->budgetData = $budgetData;
		}
		foreach($divisions as $division){
		}
		return response()->json([
			'data' => [
				$divisions
			]
		], 200);
	}

	public function getTotalProjectPerPhase($year = '%'){
		$year = $this->interpolateYear($year);
		$projectPhases = ProjectPhase::orderBy('order')->get();
		foreach($projectPhases as $phase){
			$phase->totalProject = Project::where('phase_id', $phase->id)
		 ->where('mulai_proyek', 'like', $year)
	 /* ->orWhere('akhir_proyek', 'like', $year) */
		 ->count();
		}
		return response()->json([
			'data' => [
				$projectPhases
			]
		], 200);
	}

	private function countTotalProjectInDivision($id, $year){
		return Project::where('divisi_id', $id)
			->where('mulai_proyek', 'like', $year)
		/* ->orWhere('akhir_proyek', 'like', $year) */
			->count();
	}

	public function getTotalProjectPerDivision($year = '%') {
		$year = $this->interpolateYear($year);

		$divisions = Divisi::select('id','name')
			->with('children')
			->whereNull('parent')
			->get();

		// to do : count in more than 1 level child
		foreach($divisions as $v){
			$v->total = $this->countTotalProjectInDivision($v->id, $year);
			foreach($v->children as $d){
				$v->total += $this->countTotalProjectInDivision($d->id, $year);
			}
			unset($v->children);
		}

		return response()->json([
			'data' => $divisions
		], 200);
	}

	private function countTotalProjectValueInDivision($id, $year){
		return Project::select(DB::raw('SUM(CAST("rencana_biaya" AS DOUBLE PRECISION))'))
			->where('mulai_proyek', 'like', $year)
		/* ->orWhere('akhir_proyek', 'like', $year) */
			->where('divisi_id', $id)
			->pluck('sum')
			->first();
	}

	public function getTotalProjectValuePerDivision($year = '%') {
		$year = $this->interpolateYear($year);

		$divisions = Divisi::select('id','name')
			->with('children')
			->whereNull('parent')
			->get();

		// to do : count in more than 1 level child
		foreach($divisions as $v){
			$v->total = $this->countTotalProjectValueInDivision($v->id, $year);
			foreach($v->children as $d){
				$v->total += $this->countTotalProjectValueInDivision($d->id, $year);
			}
			unset($v->children);
		}

		return response()->json([
			'data' => $divisions
		], 200);
	}


	public function getDetailExpenditure($year = '%'){
		$year = $this->interpolateYear($year);
		$projects = Project::where('mulai_proyek', 'like', $year)
			/* ->orWhere('akhir_proyek', 'like', $year) */
			->orderBy('id', 'desc')
			->get();
		foreach($projects as $project){
			$lastGantt = MasterFunctionsHelper::getLatestGantt($project->id);

			if($project->kode_sortname != ""){
				$resp = $this->getInvoiceIntegration($project->kode_sortname);
				$project->invoice = [
					'invoiced' => $resp->data->total_invoice_amount ?? 0,
					'paid' => $resp->data->total_invoice_paid_amount ?? 0,
				];
			}

			$project->pm = User::find($project->pm_id);
			/* $project->header = Activity::where('proyek_id', $project->id)->where('version_gantt_id', $lastGantt['last_gantt_id'])->whereNull('parent_id')->first(); */
			$project->scurve = MasterFunctionsHelper::getSCurve($project->id);
			$project->manPowers = UserToVersionGantt::where('version_gantt_id', $lastGantt['last_gantt_id'])->count();
			$project->lastGanttId = MasterFunctionsHelper::getLatestGantt($project->id);
		}

		return response()->json([
			'data' => $projects,
			'total_manpowers' => User::count()
		], 200);
	}
}