<?php
namespace admin\Controllers;

use Domain\Banner\BannerRepository;

class BannerController
{
    private BannerRepository $repository;

    public function __construct(BannerRepository $repository)
    {
        $this->repository = $repository;
    }

    /**
     * Lista banerow
     */
    public function list(): string
    {
        $sortableColumns = ['name', 'status', 'home_page', 'date_start', 'date_end'];

        $filterDefinitions = [
            [
                'key' => 'name',
                'label' => 'Nazwa',
                'type' => 'text',
            ],
            [
                'key' => 'status',
                'label' => 'Aktywny',
                'type' => 'select',
                'options' => [
                    '' => '- aktywny -',
                    '1' => 'tak',
                    '0' => 'nie',
                ],
            ],
        ];

        $listRequest = \admin\Support\TableListRequestFactory::fromRequest(
            $filterDefinitions,
            $sortableColumns,
            'name'
        );

        // Historycznie lista banerow domyslnie byla sortowana rosnaco po nazwie.
        $sortDir = $listRequest['sortDir'];
        if (trim((string)\S::get('sort')) === '') {
            $sortDir = 'ASC';
        }

        $result = $this->repository->listForAdmin(
            $listRequest['filters'],
            $listRequest['sortColumn'],
            $sortDir,
            $listRequest['page'],
            $listRequest['perPage']
        );

        $rows = [];
        $lp = ($listRequest['page'] - 1) * $listRequest['perPage'] + 1;
        foreach ($result['items'] as $item) {
            $id = (int)$item['id'];
            $name = (string)($item['name'] ?? '');
            $homePage = (int)($item['home_page'] ?? 0);
            $isActive = (int)($item['status'] ?? 0) === 1;

            $rows[] = [
                'lp' => $lp++ . '.',
                'name' => '<a href="/admin/banners/banner_edit/id=' . $id . '">' . htmlspecialchars($name, ENT_QUOTES, 'UTF-8') . '</a>',
                'status' => $isActive ? 'tak' : '<span style="color: #FF0000;">nie</span>',
                'home_page' => $homePage === 1 ? '<span class="text-system">tak</span>' : 'nie',
                'slider' => $homePage === 1 ? 'nie' : '<span class="text-system">tak</span>',
                'date_start' => !empty($item['date_start']) ? date('Y-m-d', strtotime((string)$item['date_start'])) : '-',
                'date_end' => !empty($item['date_end']) ? date('Y-m-d', strtotime((string)$item['date_end'])) : '-',
                '_actions' => [
                    [
                        'label' => 'Edytuj',
                        'url' => '/admin/banners/banner_edit/id=' . $id,
                        'class' => 'btn btn-xs btn-primary',
                    ],
                    [
                        'label' => 'Usun',
                        'url' => '/admin/banners/banner_delete/id=' . $id,
                        'class' => 'btn btn-xs btn-danger',
                        'confirm' => 'Na pewno chcesz usunac wybrany element?',
                    ],
                ],
            ];
        }

        $total = (int)$result['total'];
        $totalPages = max(1, (int)ceil($total / $listRequest['perPage']));

        $viewModel = new \admin\ViewModels\Common\PaginatedTableViewModel(
            [
                ['key' => 'lp', 'label' => 'Lp.', 'class' => 'text-center', 'sortable' => false],
                ['key' => 'name', 'sort_key' => 'name', 'label' => 'Nazwa', 'sortable' => true, 'raw' => true],
                ['key' => 'status', 'sort_key' => 'status', 'label' => 'Aktywny', 'class' => 'text-center', 'sortable' => true, 'raw' => true],
                ['key' => 'home_page', 'sort_key' => 'home_page', 'label' => 'Strona glowna', 'class' => 'text-center', 'sortable' => true, 'raw' => true],
                ['key' => 'slider', 'label' => 'Slajder', 'class' => 'text-center', 'sortable' => false, 'raw' => true],
                ['key' => 'date_start', 'sort_key' => 'date_start', 'label' => 'Data rozpoczecia', 'class' => 'text-center', 'sortable' => true],
                ['key' => 'date_end', 'sort_key' => 'date_end', 'label' => 'Data zakonczenia', 'class' => 'text-center', 'sortable' => true],
            ],
            $rows,
            $listRequest['viewFilters'],
            [
                'column' => $listRequest['sortColumn'],
                'dir' => $sortDir,
            ],
            [
                'page' => $listRequest['page'],
                'per_page' => $listRequest['perPage'],
                'total' => $total,
                'total_pages' => $totalPages,
            ],
            array_merge($listRequest['queryFilters'], [
                'sort' => $listRequest['sortColumn'],
                'dir' => $sortDir,
                'per_page' => $listRequest['perPage'],
            ]),
            $listRequest['perPageOptions'],
            $sortableColumns,
            '/admin/banners/view_list/',
            'Brak danych w tabeli.',
            '/admin/banners/banner_edit/',
            'Dodaj baner'
        );

        return \Tpl::view('banners/banners-list', [
            'viewModel' => $viewModel,
        ]);
    }

    /**
     * Edycja banera
     */
    public function edit(): string
    {
        $bannerId = (int)\S::get('id');
        $banner = $this->repository->find($bannerId);
        $languages = \admin\factory\Languages::languages_list();

        return \admin\view\Banners::banner_edit($banner, $languages);
    }

    /**
     * Zapisanie banera (AJAX)
     */
    public function save(): void
    {
        $response = ['status' => 'error', 'msg' => 'Podczas zapisywania baneru wystapil blad. Prosze sprobowac ponownie.'];

        $values = json_decode(\S::get('values'), true);
        $bannerId = $this->repository->save($values);
        if ($bannerId) {
            \S::delete_dir('../temp/');
            $response = ['status' => 'ok', 'msg' => 'Baner zostal zapisany.', 'id' => $bannerId];
        }

        echo json_encode($response);
        exit;
    }

    /**
     * Usuniecie banera
     */
    public function delete(): void
    {
        $bannerId = (int)\S::get('id');
        if ($this->repository->delete($bannerId)) {
            \S::delete_dir('../temp/');
            \S::alert('Baner zostal usuniety.');
        }

        header('Location: /admin/banners/view_list/');
        exit;
    }
}