<?php

namespace App\Domains\Admin\Controllers;

use App\Domains\ParticipantInvoice\ParticipantInvoiceTokens;
use App\Models\DocumentAsset;
use App\Models\DocumentTemplate;
use App\Scopes\CommonController;
use Illuminate\Http\JsonResponse;

class DocumentTemplatesGetController extends CommonController
{
    /** Blöcke, die Layout-HTML bzw. CSS enthalten und deshalb im Quelltext-Editor gepflegt werden. */
    private const array SOURCE_BLOCKS = [
        DocumentTemplate::BLOCK_LAYOUT,
        DocumentTemplate::BLOCK_STYLE,
    ];

    private const array BLOCK_LABELS = [
        DocumentTemplate::BLOCK_LAYOUT => 'Seitengerüst',
        DocumentTemplate::BLOCK_STYLE => 'Gestaltung (CSS)',
        'header_sender_return' => 'Rücksendezeile',
        'header_recipient' => 'Empfängeranschrift',
        'emblem' => 'Emblem',
        'logo' => 'Logo',
        'sender_data' => 'Absenderangaben',
        'subject' => 'Betreff und Referenzdaten',
        DocumentTemplate::BLOCK_BODY => 'Rechnungsinhalt',
        'footer' => 'Grußformel und Fußnote',
    ];

    public function __invoke(): JsonResponse
    {
        $blocks = DocumentTemplate::forType(DocumentTemplate::TYPE_PARTICIPANT_INVOICE)
            ->values()
            ->map(fn(DocumentTemplate $block): array => [
                'block' => $block->block,
                'label' => self::BLOCK_LABELS[$block->block] ?? $block->block,
                'content' => (string) $block->content,
                'editable' => $block->editable,
                'source' => in_array($block->block, self::SOURCE_BLOCKS, true),
            ]);

        return response()->json([
            'blocks' => $blocks,
            'assets' => DocumentAsset::orderBy('name')->get()->map(fn(DocumentAsset $asset): array => [
                'name' => $asset->name,
                'label' => $asset->label,
                'mime' => $asset->mime,
                'token' => '{asset:' . $asset->name . '}',
                'preview' => $asset->toDataUri(),
            ]),
            'tokenGroups' => ParticipantInvoiceTokens::groups(),
        ]);
    }
}