<?php

/*
 * ListController.php
 * Copyright (c) 2021 james@firefly-iii.org
 *
 * This file is part of Firefly III (https://github.com/firefly-iii).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace FireflyIII\Api\V1\Controllers\Models\ObjectGroup;

use FireflyIII\Api\V1\Controllers\Controller;
use FireflyIII\Models\ObjectGroup;
use FireflyIII\Repositories\ObjectGroup\ObjectGroupRepositoryInterface;
use FireflyIII\Support\JsonApi\Enrichments\PiggyBankEnrichment;
use FireflyIII\Support\JsonApi\Enrichments\SubscriptionEnrichment;
use FireflyIII\Transformers\BillTransformer;
use FireflyIII\Transformers\PiggyBankTransformer;
use FireflyIII\User;
use Illuminate\Http\JsonResponse;
use Illuminate\Pagination\LengthAwarePaginator;
use League\Fractal\Pagination\IlluminatePaginatorAdapter;
use League\Fractal\Resource\Collection as FractalCollection;

/**
 * Class ListController
 */
final class ListController extends Controller
{
    private ObjectGroupRepositoryInterface $repository;

    /**
     * ObjectGroupController constructor.
     */
    public function __construct()
    {
        parent::__construct();
        $this->middleware(function ($request, $next) {
            /** @var User $user */
            $user             = auth()->user();
            $this->repository = app(ObjectGroupRepositoryInterface::class);
            $this->repository->setUser($user);

            return $next($request);
        });
    }

    /**
     * This endpoint is documented at:
     * https://api-docs.firefly-iii.org/?urls.primaryName=2.0.0%20(v1)#/object_groups/listBillByObjectGroup
     *
     * List all bills in this object group
     */
    public function bills(ObjectGroup $objectGroup): JsonResponse
    {
        $manager     = $this->getManager();

        $pageSize    = $this->parameters->get('limit');
        // get list of piggy banks. Count it and split it.
        $collection  = $this->repository->getBills($objectGroup);
        $count       = $collection->count();
        $bills       = $collection->slice(($this->parameters->get('page') - 1) * $pageSize, $pageSize);

        // enrich
        /** @var User $admin */
        $admin       = auth()->user();
        $enrichment  = new SubscriptionEnrichment();
        $enrichment->setUser($admin);
        $enrichment->setStart($this->parameters->get('start'));
        $enrichment->setEnd($this->parameters->get('end'));
        $bills       = $enrichment->enrich($bills);

        // make paginator:
        $paginator   = new LengthAwarePaginator($bills, $count, $pageSize, $this->parameters->get('page'));
        $paginator->setPath(route('api.v1.currencies.bills', [$objectGroup->id]).$this->buildParams());

        /** @var BillTransformer $transformer */
        $transformer = app(BillTransformer::class);
        $transformer->setParameters($this->parameters);

        $resource    = new FractalCollection($bills, $transformer, 'bills');
        $resource->setPaginator(new IlluminatePaginatorAdapter($paginator));

        return response()->json($manager->createData($resource)->toArray())->header('Content-Type', self::CONTENT_TYPE);
    }

    /**
     * This endpoint is documented at:
     * https://api-docs.firefly-iii.org/?urls.primaryName=2.0.0%20(v1)#/object_groups/listPiggyBankByObjectGroup
     *
     * List all piggies under the object group.
     */
    public function piggyBanks(ObjectGroup $objectGroup): JsonResponse
    {
        // create some objects:
        $manager     = $this->getManager();

        // types to get, page size:
        $pageSize    = $this->parameters->get('limit');

        // get list of piggy banks. Count it and split it.
        $collection  = $this->repository->getPiggyBanks($objectGroup);
        $count       = $collection->count();
        $piggyBanks  = $collection->slice(($this->parameters->get('page') - 1) * $pageSize, $pageSize);

        // enrich
        /** @var User $admin */
        $admin       = auth()->user();
        $enrichment  = new PiggyBankEnrichment();
        $enrichment->setUser($admin);
        $piggyBanks  = $enrichment->enrich($piggyBanks);

        // make paginator:
        $paginator   = new LengthAwarePaginator($piggyBanks, $count, $pageSize, $this->parameters->get('page'));
        $paginator->setPath(route('api.v1.object-groups.piggy-banks', [$objectGroup->id]).$this->buildParams());

        /** @var PiggyBankTransformer $transformer */
        $transformer = app(PiggyBankTransformer::class);
        $transformer->setParameters($this->parameters);

        $resource    = new FractalCollection($piggyBanks, $transformer, 'piggy-banks');
        $resource->setPaginator(new IlluminatePaginatorAdapter($paginator));

        return response()->json($manager->createData($resource)->toArray())->header('Content-Type', self::CONTENT_TYPE);
    }
}
