<?php
declare(strict_types=1);

class TaskCertConstants
{
    public const ASSIGNMENT_STATUSES = [
        'open', 'in_progress', 'approval_pending', 'overdue', 'completed', 'rejected', 'expired',
    ];

    public const COMPLETED_STATUSES = ['completed', 'expired'];

    public const SUBMISSION_STATUSES = [
        'submitted', 'auto_passed', 'awaiting_approval', 'approved', 'rejected',
    ];

    public const METHOD_TYPES = [
        'knowledge_read', 'form_submit', 'quiz', 'manual_approval',
    ];

    public const FIELD_TYPES = [
        'text', 'textarea', 'number', 'date', 'select', 'checkbox', 'radio', 'file',
    ];

    public const CERTIFICATE_STATUSES = ['valid', 'expired', 'revoked'];

    public static function assignmentStatusLabels(): array
    {
        return [
            'open' => 'Offen',
            'in_progress' => 'In Bearbeitung',
            'approval_pending' => 'Warten auf Freigabe',
            'overdue' => 'Überfällig',
            'completed' => 'Abgeschlossen',
            'rejected' => 'Bitte erneut einreichen',
            'expired' => 'Abgelaufen',
        ];
    }

    public static function submissionStatusLabels(): array
    {
        return [
            'submitted' => 'Eingereicht',
            'auto_passed' => 'Erledigt',
            'awaiting_approval' => 'Wartet auf Freigabe',
            'approved' => 'Freigegeben',
            'rejected' => 'Abgelehnt',
        ];
    }

    public static function methodLabels(): array
    {
        return [
            'knowledge_read' => 'Wissensbeiträge lesen',
            'form_submit' => 'Formular ausfüllen',
            'quiz' => 'Quiz beantworten',
            'manual_approval' => 'Antrag auf Freigabe',
        ];
    }

    public static function certificateStatusLabels(): array
    {
        return [
            'valid' => 'Gültig',
            'expired' => 'Abgelaufen',
            'revoked' => 'Widerrufen',
        ];
    }

    public static function fieldTypeLabels(): array
    {
        return [
            'text' => 'Text',
            'textarea' => 'Textbereich',
            'number' => 'Zahl',
            'date' => 'Datum',
            'select' => 'Auswahl',
            'checkbox' => 'Checkbox',
            'radio' => 'Radio',
            'file' => 'Datei-Upload',
        ];
    }

    public static function isValidAssignmentStatus(string $status): bool
    {
        return in_array($status, self::ASSIGNMENT_STATUSES, true);
    }

    public static function isValidSubmissionStatus(string $status): bool
    {
        return in_array($status, self::SUBMISSION_STATUSES, true);
    }

    public static function isValidMethodType(string $type): bool
    {
        return in_array($type, self::METHOD_TYPES, true);
    }

    public static function isValidFieldType(string $type): bool
    {
        return in_array($type, self::FIELD_TYPES, true);
    }

    public static function isValidCertificateStatus(string $status): bool
    {
        return in_array($status, self::CERTIFICATE_STATUSES, true);
    }
}