<?php

namespace App\Filament\Resources\TextbookResource\Pages;

use App\Filament\Resources\TextbookResource;
use App\Services\TextbookApiService;
use Filament\Actions;
use Filament\Resources\Pages\ListRecords;
use Illuminate\Contracts\Pagination\Paginator;
use Illuminate\Pagination\LengthAwarePaginator;

class ManageTextbooks extends ListRecords
{
    protected static string $resource = TextbookResource::class;

    protected function getHeaderActions(): array
    {
        return [
            Actions\CreateAction::make()
                ->label('新建教材'),
        ];
    }

    protected function paginateTableQuery(\Illuminate\Database\Eloquent\Builder $query): Paginator
    {
        $apiService = app(TextbookApiService::class);
        $page = request()->get('page', 1);
        $perPage = $this->getTableRecordsPerPage();

        $result = $apiService->getTextbooks([
            'page' => $page,
            'per_page' => $perPage,
        ]);

        $records = collect($result['data'] ?? [])->map(function ($item) {
            return new \App\Models\Textbook($item);
        });

        return new LengthAwarePaginator(
            $records,
            $result['meta']['total'] ?? 0,
            $perPage,
            $page,
            ['path' => request()->url()]
        );
    }
}