<?php

namespace App\Http\Controllers;

use App\Models\Project;
use App\Models\Divisi;
use App\Models\ProjectPhase;
use Illuminate\Support\Collection;
use DB;

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

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

		// 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)
			->pluck('sum')
			->first();

		return response()->json([
			'data' => [
				'total_budget' => (int) $totalBudgets ?? rand(0,10),
				'total_expenditure' => rand(0,10), // to do integrasi
				'total_invoice' => rand(0,10),
				'total_paid_invoice' => rand(0,10),
			]
		], 200);
	}

	public function getProjectPerScheduleHealth($year = '%'){
		$year = $this->interpolateYear($year);
		// get data plan (vol) in %
		// get data actual in %
		return response()->json([
			'data' => [
				'behind-schedule' => rand(0,10),
				'warning' => rand(0,10),
				'on-schedule' => rand(0,10),
			]
		], 200);
	}

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

		$divisions = Divisi::whereNull('parent')->get();
		foreach($divisions as $division){
			$scheduleData = new Collection();
			$scheduleData->prepend(rand(0, 10), 'behindSchedule');
			$scheduleData->prepend(rand(0, 10), 'warning');
			$scheduleData->prepend(rand(0, 10), 'onSchedule');
			$division->scheduleData = $scheduleData;
		}
		return response()->json([
			'data' => [
				$divisions
			]
		], 200);
	}

	public function getProjectPerBudgetHealth($year = '%'){
		$year = $this->interpolateYear($year);
		return response()->json([
			'data' => [
				'overrun' => rand(0,10),
				'warning' => rand(0,10),
				'on-budget' => rand(0,10),
			]
		], 200);
	}

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

		$divisions = Divisi::whereNull('parent')->get();
		foreach($divisions as $division){
			$budgetData = new Collection();
			$budgetData->prepend(rand(0, 10), 'overrun');
			$budgetData->prepend(rand(0, 10), 'warning');
			$budgetData->prepend(rand(0, 10), 'onBudget');
			$division->budgetData = $budgetData;
		}
		return response()->json([
			'data' => [
				$divisions
			]
		], 200);
	}

	public function getProjectPerPhase($year = '%'){
		$year = $this->interpolateYear($year);
		$projectPhases = ProjectPhase::orderBy('order')->get();
		foreach($projectPhases as $phase){
			$phase->totalProject = rand(0,10);
		}
		return response()->json([
			'data' => [
				$projectPhases
			]
		], 200);
	}

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

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

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

		// to do : count in more than 1 level child
		foreach($totalProjectPerDivision 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' => $totalProjectPerDivision
		], 200);
	}

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

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

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

		// to do : count in more than 1 level child
		foreach($totalProjectValuePerDivision 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' => $totalProjectValuePerDivision
		], 200);
	}

}