<?php

declare(strict_types=1);

namespace SbpJm\FlarumMSTeamsWebhook\Support;

use Flarum\Discussion\Discussion;
use Flarum\Notification\Blueprint\BlueprintInterface;
use Flarum\Post\Post;
use Flarum\Settings\SettingsRepositoryInterface;
use Flarum\User\User;

class NotificationPayloadFactory
{
    public function __construct(protected SettingsRepositoryInterface $settings)
    {
    }

    /**
     * @return array<string,mixed>
     */
/**
 * @return array<string,mixed>
 */
	public function make(User $recipient, BlueprintInterface $blueprint): array
	{
		$activityType = trim((string) $this->settings->get('sbp-jm-msteams-webhook.activity_type', 'systemDefault'));
		$forumName = trim((string) $this->settings->get('forum_title', 'Flarum')) ?: 'Flarum';
		$iconId = trim((string) $this->settings->get('sbp-jm-msteams-webhook.icon_id', ''));

		// Diskussionstitel + URL dynamisch aus dem Subject ziehen
		// $discussionTitle = $this->resolveDiscussionTitle($blueprint) ?? $forumName;
		// $discussionUrl = $this->resolveSubjectUrl($blueprint) ?? 'https://forum.sbp.de';
		// $previewSnippet = $this->buildPreviewText($blueprint);

		$discussionTitle = 'Backup-Strategie für Forum';
		$discussionUrl = 'https://forum.sbp.de/d/34-which-file-extensions-are-allowed-for-uploads/2';
		$previewSnippet = 'Bitte prüft, ob wir tägliche Snapshots brauchen.';
		$reasonText = 'Neue Antwort in beobachteter Diskussion';


		// Freie Actor+Reason-Zeile für systemDefault
		$reasonText = match ($blueprint::getType()) {
			'newPost' => 'There was a new answer in one of your folloed posts',
			'postMentioned' => 'Your post has been mentioned',
			'userMentioned' => 'You have been mentioned',
			'postLiked' => 'Your post has been liked',
			default => 'New sbp forum update',
		};

		// Teams-App-/Tab-Ziel aus deinem aktuellen Manifest
		$teamsManifestAppId = 'd92b1be6-ea92-46b1-bcb0-c08ffdd1a61a';
		$teamsEntityId = '8ffe419f-ca44-4627-a4b2-f223da2d07aa';

		$discussionTitle = 'Backup-Strategie für Forum';
		$discussionUrl = 'https://forum.sbp.de/d/34-which-file-extensions-are-allowed-for-uploads/2';
		$subEntityId = 'discussion:34:2';

		$contextJson = json_encode([
			'subEntityId' => $subEntityId,
		], JSON_UNESCAPED_SLASHES);

		$teamsDeepLink = sprintf(
			'https://teams.microsoft.com/l/entity/%s/%s?tenantId=%s&webUrl=%s&label=%s&context=%s',
			rawurlencode('d92b1be6-ea92-46b1-bcb0-c08ffdd1a61a'),
			rawurlencode('8ffe419f-ca44-4627-a4b2-f223da2d07aa'),
			rawurlencode('e2052793-a0f4-47d8-a3a3-52c926e79df5'),
			rawurlencode($discussionUrl),
			rawurlencode($discussionTitle),
			rawurlencode($contextJson)
		);


		$payload = [
			'topic' => [
				'source' => 'text',
				'value' => $discussionTitle,
				'webUrl' => $teamsDeepLink,
			],
			'activityType' => $activityType !== '' ? $activityType : 'systemDefault',
			'previewText' => [
				'content' => mb_substr($previewSnippet, 0, 150),
			],
			'templateParameters' => [
				[
					'name' => 'systemDefaultText',
					'value' => $reasonText,
				],
			],
		];

		if ($iconId !== '') {
			$payload['iconId'] = $iconId;
		}

		if (($payload['activityType'] ?? 'systemDefault') !== 'systemDefault') {
			$payload['templateParameters'] = [
				[
					'name' => 'notificationText',
					'value' => mb_substr($previewSnippet, 0, 150),
				],
			];
		}

		return $payload;
	}
    protected function buildPreviewText(BlueprintInterface $blueprint): string
    {
        if ($blueprint::getType() === 'teamsTest') {
            return 'Flarum ➜ Teams Test erfolgreich angestoßen';
        }

        $actor = $blueprint->getFromUser();
        $actorName = $actor instanceof User ? (string) ($actor->display_name ?? $actor->username ?? 'Jemand') : 'Jemand';
        $type = $blueprint::getType();
        $subject = $blueprint->getSubject();

        $subjectTitle = null;
        if ($subject instanceof Discussion) {
            $subjectTitle = (string) $subject->title;
        } elseif ($subject instanceof Post && $subject->discussion) {
            $subjectTitle = (string) $subject->discussion->title;
        }

        $text = match ($type) {
            'newPost' => sprintf('%s hat in einer beobachteten Diskussion geantwortet', $actorName),
            'postMentioned' => sprintf('%s hat dich in einem Beitrag erwähnt', $actorName),
            'userMentioned' => sprintf('%s hat dich erwähnt', $actorName),
            'postLiked' => sprintf('%s hat einen Beitrag von dir geliked', $actorName),
            'discussionRenamed' => sprintf('%s hat eine Diskussion umbenannt', $actorName),
            default => sprintf('%s: neue Flarum-Benachrichtigung (%s)', $actorName, $type),
        };

        if ($subjectTitle) {
            $text .= ' – ' . $subjectTitle;
        }

        return mb_substr($text, 0, 150);
    }
	
	
	protected function resolveDiscussionTitle(BlueprintInterface $blueprint): ?string
	{
		$subject = $blueprint->getSubject();

		if ($subject instanceof Discussion) {
			return (string) $subject->title;
		}

		if ($subject instanceof Post && $subject->discussion) {
			return (string) $subject->discussion->title;
		}

		return null;
    }
    protected function resolveSubjectUrl(BlueprintInterface $blueprint): ?string
    {
        $baseUrl = rtrim((string) $this->settings->get('sbp-jm-msteams-webhook.forum_base_url', ''), '/');
        if ($baseUrl === '') {
            return null;
        }

        $subject = $blueprint->getSubject();

        if ($subject instanceof Discussion) {
            return sprintf('%s/d/%s', $baseUrl, $subject->id);
        }

        if ($subject instanceof Post) {
            $discussionId = $subject->discussion_id;
            $postNumber = $subject->number;

            if ($discussionId !== null && $postNumber !== null) {
                return sprintf('%s/d/%s/%s', $baseUrl, $discussionId, $postNumber);
            }
        }

        return $baseUrl;
    }

    protected function buildChainId(User $recipient, BlueprintInterface $blueprint): int
    {
        $subject = $blueprint->getSubject();
        $subjectId = is_object($subject) && isset($subject->id) ? (string) $subject->id : '0';

        return abs(crc32(implode('|', [
            (string) $recipient->id,
            $blueprint::getType(),
            $subjectId,
        ])));
    }
}