<?php

namespace App\Service;

use App\Entity\TimeLog;
use App\Repository\TimeLog\TimeLogRepositoryInterface;
use App\Service\DataGrid\DataGridInterface;
use Doctrine\ORM\EntityNotFoundException;

final class TimeLogService
{
    /**
     * @var TimeLogRepositoryInterface
     */
    private $repository;
    /**
     * @var CampaignService
     */
    private $campaignService;
    /**
     * @var UserService
     */
    private $userService;
    /**
     * @var TimeLogTypeService
     */
    private $timeLogTypeService;
    /**
     * @var TimeLogTypeCategoryService
     */
    private $timeLogTypeCategoryService;

    /**
     * TimeLogContentService constructor.
     *
     * @param TimeLogRepositoryInterface $repository
     * @param CampaignService            $campaignService
     * @param UserService                $userService
     * @param TimeLogTypeService         $timeLogTypeService
     * @param TimeLogTypeCategoryService $timeLogTypeCategoryService
     */
    public function __construct(TimeLogRepositoryInterface $repository, CampaignService $campaignService, UserService $userService, TimeLogTypeService $timeLogTypeService, TimeLogTypeCategoryService $timeLogTypeCategoryService)
    {
        $this->repository = $repository;
        $this->campaignService = $campaignService;
        $this->userService = $userService;
        $this->timeLogTypeService = $timeLogTypeService;
        $this->timeLogTypeCategoryService = $timeLogTypeCategoryService;
    }

    /**
     * @param int $id
     *
     * @return TimeLog
     *
     * @throws EntityNotFoundException
     */
    public function get(int $id): TimeLog
    {
        $timeLog = $this->repository->findById($id);
        if (!$timeLog) {
            throw new EntityNotFoundException('TimeLog with id '.$id.' does not exist!');
        }

        return $timeLog;
    }

    /**
     * @return array|null
     */
    public function getAll(): ?array
    {
        return $this->repository->findAll();
    }

    /**
     * @param DataGridInterface $dataGrid
     *
     * @return array|null
     */
    public function getByGrid(DataGridInterface $dataGrid): ?array
    {
        $criteria = $this->getCriteria($dataGrid);

        return $this->repository->findBy(
            $criteria,
            [
                $dataGrid->getSorters()->first()->getSort() => $dataGrid->getSorters()->first()->getOrder(),
            ],
            $dataGrid->getNavigation()->getRpp(),
            $dataGrid->getNavigation()->getRpp() * $dataGrid->getNavigation()->getPage());
    }

    /**
     * @param DataGridInterface $dataGrid
     *
     * @return int
     */
    public function countByGrid(DataGridInterface $dataGrid): int
    {
        $criteria = $this->getCriteria($dataGrid);

        return $this->repository->count($criteria);
    }

    /**
     * @param TimeLog $timeLog
     *
     * @return TimeLog
     */
    public function save(TimeLog $timeLog): TimeLog
    {
        $this->repository->save($timeLog);

        return $timeLog;
    }

    /**
     * @param TimeLog $timeLog
     */
    public function delete(TimeLog $timeLog): void
    {
        $this->repository->delete($timeLog);
    }

    public function aggregateByGrid(DataGridInterface $dataGrid)
    {
        $result = $this->repository->aggregateByGrid($dataGrid);

        foreach ($result as &$row) {
            if (array_key_exists('user', $row)) {
                $row['user'] = $this->userService->getUser((int) $row['user']);
            }
            if (array_key_exists('campaign', $row)) {
                $row['campaign'] = $this->campaignService->getCampaign((int) $row['campaign']);
            }
            if (array_key_exists('type', $row)) {
                $row['type'] = $this->timeLogTypeService->get((int) $row['type']);
            }
            if (array_key_exists('category', $row)) {
                $row['category'] = $this->timeLogTypeCategoryService->get((int) $row['category']);
            }
        }

        return $result;
    }

    /**
     * @param DataGridInterface $dataGrid
     *
     * @return array
     */
    private function getCriteria(DataGridInterface $dataGrid): array
    {
        $criteria = [];

        if ($dataGrid->getFilters()->containsKey('subjectType') && $dataGrid->getFilters()->get('subjectType')->isValid()) {
            $criteria += ['subjectType' => $dataGrid->getFilters()->get('subjectType')->getValue()];
        }

        if ($dataGrid->getFilters()->containsKey('subjectId') && $dataGrid->getFilters()->get('subjectId')->isValid()) {
            $criteria += ['subjectId' => $dataGrid->getFilters()->get('subjectId')->getValue()];
        }

        if ($dataGrid->getFilters()->containsKey('campaign') && $dataGrid->getFilters()->get('campaign')->isValid()) {
            $criteria += ['campaign' => $dataGrid->getFilters()->get('campaign')->getValue()];
        }

        if ($dataGrid->getFilters()->containsKey('type') && $dataGrid->getFilters()->get('type')->isValid()) {
            $criteria += ['type' => $dataGrid->getFilters()->get('type')->getValue()];
        }

        if ($dataGrid->getFilters()->containsKey('category') && $dataGrid->getFilters()->get('category')->isValid()) {
            $criteria += ['category' => $dataGrid->getFilters()->get('category')->getValue()];
        }

        if ($dataGrid->getFilters()->containsKey('user') && $dataGrid->getFilters()->get('user')->isValid()) {
            $criteria += ['user' => $dataGrid->getFilters()->get('user')->getValue()];
        }

        if ($dataGrid->getFilters()->containsKey('client') && $dataGrid->getFilters()->get('client')->isValid()) {
            $criteria += ['client' => $dataGrid->getFilters()->get('client')->getValue()];
        }

        if ($dataGrid->getFilters()->containsKey('dateFrom') && $dataGrid->getFilters()->get('dateFrom')->isValid()) {
            $criteria += ['dateFrom' => $dataGrid->getFilters()->get('dateFrom')->getValue()];
        }

        return $criteria;
    }

    public function getSubjects(): array
    {
        return $this->repository->getSubjects();
    }

    public function getFirstDate(): ?string
    {
        return $this->repository->getFirstDate();
    }
}