<?php
/**
 * IndexController.php
 * Copyright (c) 2019 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/>.
 */
/** @noinspection CallableParameterUseCaseInTypeContextInspection */
declare(strict_types=1);

namespace FireflyIII\Http\Controllers\Account;

use Carbon\Carbon;
use FireflyIII\Http\Controllers\Controller;
use FireflyIII\Models\Account;
use FireflyIII\Repositories\Account\AccountRepositoryInterface;
use FireflyIII\Support\Http\Controllers\BasicDataSupport;
use Illuminate\Contracts\View\Factory;
use Illuminate\Http\Request;
use Illuminate\Pagination\LengthAwarePaginator;
use Illuminate\View\View;

/**
 *
 * Class IndexController
 */
class IndexController extends Controller
{
    use BasicDataSupport;
    /** @var AccountRepositoryInterface The account repository */
    private $repository;

    /**
     * IndexController constructor.
     *
     * @codeCoverageIgnore
     */
    public function __construct()
    {
        parent::__construct();

        // translations:
        $this->middleware(
            function ($request, $next) {
                app('view')->share('mainTitleIcon', 'fa-credit-card');
                app('view')->share('title', (string) trans('firefly.accounts'));

                $this->repository = app(AccountRepositoryInterface::class);

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

    /**
     * @param Request $request
     * @param string  $objectType
     *
     * @return Factory|View
     */
    public function inactive(Request $request, string $objectType)
    {
        $objectType   = $objectType ?? 'asset';
        $inactivePage = true;
        $subTitle     = (string) trans(sprintf('firefly.%s_accounts_inactive', $objectType));
        $subTitleIcon = config(sprintf('firefly.subIconsByIdentifier.%s', $objectType));
        $types        = config(sprintf('firefly.accountTypesByIdentifier.%s', $objectType));
        $collection   = $this->repository->getInactiveAccountsByType($types);
        $total        = $collection->count();
        $page         = 0 === (int) $request->get('page') ? 1 : (int) $request->get('page');
        $pageSize     = (int) app('preferences')->get('listPageSize', 50)->data;
        $accounts     = $collection->slice(($page - 1) * $pageSize, $pageSize);
        unset($collection);
        /** @var Carbon $start */
        $start = clone session('start', Carbon::now()->startOfMonth());
        /** @var Carbon $end */
        $end = clone session('end', Carbon::now()->endOfMonth());
        $start->subDay();

        $ids           = $accounts->pluck('id')->toArray();
        $startBalances = app('steam')->balancesByAccounts($accounts, $start);
        $endBalances   = app('steam')->balancesByAccounts($accounts, $end);
        $activities    = app('steam')->getLastActivities($ids);

        $accounts->each(
            function (Account $account) use ($activities, $startBalances, $endBalances) {
                $account->lastActivityDate  = $this->isInArray($activities, $account->id);
                $account->startBalance      = $this->isInArray($startBalances, $account->id);
                $account->endBalance        = $this->isInArray($endBalances, $account->id);
                $account->difference        = bcsub($account->endBalance, $account->startBalance);
                $account->interest          = round($this->repository->getMetaValue($account, 'interest'), 6);
                $account->interestPeriod    = (string) trans(sprintf('firefly.interest_calc_%s', $this->repository->getMetaValue($account, 'interest_period')));
                $account->accountTypeString = (string) trans(sprintf('firefly.account_type_%s', $account->accountType->type));
            }
        );

        // make paginator:
        $accounts = new LengthAwarePaginator($accounts, $total, $pageSize, $page);
        $accounts->setPath(route('accounts.inactive.index', [$objectType]));

        return view('accounts.index', compact('objectType', 'inactivePage', 'subTitleIcon', 'subTitle', 'page', 'accounts'));

    }

    /**
     * Show list of accounts.
     *
     * @param Request $request
     * @param string  $objectType
     *
     * @return Factory|View
     */
    public function index(Request $request, string $objectType)
    {
        $objectType    = $objectType ?? 'asset';
        $subTitle      = (string) trans(sprintf('firefly.%s_accounts', $objectType));
        $subTitleIcon  = config(sprintf('firefly.subIconsByIdentifier.%s', $objectType));
        $types         = config(sprintf('firefly.accountTypesByIdentifier.%s', $objectType));
        $collection    = $this->repository->getActiveAccountsByType($types);
        $total         = $collection->count();
        $page          = 0 === (int) $request->get('page') ? 1 : (int) $request->get('page');
        $pageSize      = (int) app('preferences')->get('listPageSize', 50)->data;
        $accounts      = $collection->slice(($page - 1) * $pageSize, $pageSize);
        $inactiveCount = $this->repository->getInactiveAccountsByType($types)->count();


        unset($collection);
        /** @var Carbon $start */
        $start = clone session('start', Carbon::now()->startOfMonth());
        /** @var Carbon $end */
        $end = clone session('end', Carbon::now()->endOfMonth());
        $start->subDay();

        $ids           = $accounts->pluck('id')->toArray();
        $startBalances = app('steam')->balancesByAccounts($accounts, $start);
        $endBalances   = app('steam')->balancesByAccounts($accounts, $end);
        $activities    = app('steam')->getLastActivities($ids);

        $accounts->each(
            function (Account $account) use ($activities, $startBalances, $endBalances) {
                $account->lastActivityDate  = $this->isInArray($activities, $account->id);
                $account->startBalance      = $this->isInArray($startBalances, $account->id);
                $account->endBalance        = $this->isInArray($endBalances, $account->id);
                $account->difference        = bcsub($account->endBalance, $account->startBalance);
                $account->interest          = round($this->repository->getMetaValue($account, 'interest'), 6);
                $account->interestPeriod    = (string) trans(sprintf('firefly.interest_calc_%s', $this->repository->getMetaValue($account, 'interest_period')));
                $account->accountTypeString = (string) trans(sprintf('firefly.account_type_%s', $account->accountType->type));
                $account->location          = $this->repository->getLocation($account);
            }
        );

        // make paginator:
        $accounts = new LengthAwarePaginator($accounts, $total, $pageSize, $page);
        $accounts->setPath(route('accounts.index', [$objectType]));

        return view('accounts.index', compact('objectType', 'inactiveCount', 'subTitleIcon', 'subTitle', 'page', 'accounts'));
    }


}