<?php

namespace App\Repositories;

use App\Enumerations\CostUnitType;
use App\Enumerations\InvoiceStatus;
use App\Enumerations\UserRole;
use App\Models\CostUnit;
use App\Resources\CostUnitResource;
use App\ValueObjects\Amount;
use Illuminate\Database\Capsule\Manager as Capsule;

class CostUnitRepository {
    public function getCostUnitsForNewInvoice(string $type) : array {
        return $this->getCostUnitsByCriteria([
            'allow_new' => true,
            'type' => $type,
            'archived' => false
        ], true, true);
    }


    public function getCurrentEvents() : array {
        return $this->getCostUnitsByCriteria([
            'allow_new' => true,
            'type' => CostUnitType::COST_UNIT_TYPE_EVENT,
            'archived' => false
        ]);
    }

    public function getRunningJobs() : array {
        return $this->getCostUnitsByCriteria([
            'allow_new' => true,
            'type' => CostUnitType::COST_UNIT_TYPE_RUNNING_JOB,
            'archived' => false
        ]);
    }

    public function getArchivedCostUnits() : array {
        return $this->getCostUnitsByCriteria([
            'archived' => true,
            'allow_new' => false,
        ]);
    }

    public function getClosedCostUnits() : array{
        return $this->getCostUnitsByCriteria([
            'archived' => false,
            'allow_new' => false,
        ]);
    }

    public function getById(int $id, bool $disableAccessCheck = false) : ?CostUnit {
        $costUnits = self::getCostUnitsByCriteria(['id' => $id], false, $disableAccessCheck);
        if (count($costUnits) === 0) {
            return null;
        }
        return $costUnits[0];

    }

    public function getCostUnitsByCriteria(array $criteria, bool $forDisplay = true, $disableAccessCheck = false) : array {
        $tenant = app('tenant');

        $canSeeAll = false;
        $user = Auth()->user();

        if ($tenant->slug !== 'lv') {
            if (
                $user->user_role_main === UserRole::USER_ROLE_ADMIN ||
                in_array( $user->user_role_local_group, [UserRole::USER_ROLE_GROUP_LEADER, UserRole::USER_ROLE_ADMIN])
            ) {
                $canSeeAll = true;
            }
        } else {
            if (
                in_array( $user->user_role_main, [UserRole::USER_ROLE_GROUP_LEADER, UserRole::USER_ROLE_ADMIN])
            ) {
                $canSeeAll = true;
            }
        }

        $visibleCostUnits = [];
        /** @var CostUnit $costUnit */
        foreach (Costunit::where($criteria)->get() as $costUnit) {
            if ($costUnit->tresurers()->where('user_id', $user->id)->exists() || $canSeeAll || $disableAccessCheck) {
                if ($forDisplay) {
                    $visibleCostUnits[] = new CostUnitResource($costUnit)->toArray(request());
                } else {
                    $visibleCostUnits[] = $costUnit;
                }

            }

        }

        return $visibleCostUnits;
    }

    public function listForSummary(int $maxCountCostUnits) : array {
        $costUnits = $this->getCostUnitsByCriteria([
            'archived' => false,
            'tenant' => app('tenant')->slug,
        ],false);

        foreach ($costUnits as &$cu) {
            $cu->new_invoices_count = $cu->invoices()->where('status', 'new')->count();
            $cu->approved_invoices_count = $cu->invoices()->where('status', 'approved')->count();
        }

        $costUnits = collect($costUnits)
            ->sortByDesc('approved_invoices_count')
            ->sortByDesc('new_invoices_count')
            ->take($maxCountCostUnits)
            ->values()
            ->all();

        $returnData = [];

        foreach ($costUnits as $costUnit) {
            if($costUnit->approved_invoices_count === 0 && $costUnit->new_invoices_count === 0) {
                continue;
            }

            if (strlen($costUnit->name) > 15) {
                $costUnit->name = substr($costUnit->name, 8, 13) . '...';
            }
            $costUnit->totalAmount = $this->sumupAmounts($costUnit)->toString();
            $returnData[] = $costUnit;
        }

        return $returnData;
    }

    public function sumupAmounts(CostUnit $costUnit) : Amount {
        $amount = new Amount(0, '');

        foreach ($costUnit->invoices()->get() as $invoice) {
            if ($invoice->status === InvoiceStatus::INVOICE_STATUS_DENIED) {
                continue;
            }

            $amount->addAmount(Amount::fromString($invoice->amount));
        }
        return $amount;
    }

}