refactoring

src/hooks/useNotificationSettings.js

@@ -0,0 +1,209 @@
+import { useCallback, useEffect, useState } from 'react';
+
+const createDefaultSettings = () => ({
+  ntfy: { enabled: false, topic: '', serverUrl: '' },
+  telegram: { enabled: false, chatId: '' }
+});
+
+const createDefaultCapabilities = () => ({
+  ntfy: { enabled: false, serverUrl: '', topicPrefix: '' },
+  telegram: { enabled: false }
+});
+
+const useNotificationSettings = ({ authorizedFetch, sessionToken }) => {
+  const [settings, setSettings] = useState(createDefaultSettings);
+  const [capabilities, setCapabilities] = useState(createDefaultCapabilities);
+  const [dirty, setDirty] = useState(false);
+  const [loading, setLoading] = useState(false);
+  const [saving, setSaving] = useState(false);
+  const [message, setMessage] = useState('');
+  const [error, setError] = useState('');
+  const [copyFeedback, setCopyFeedback] = useState('');
+
+  const resetState = useCallback(() => {
+    setSettings(createDefaultSettings());
+    setCapabilities(createDefaultCapabilities());
+    setDirty(false);
+    setLoading(false);
+    setSaving(false);
+    setMessage('');
+    setError('');
+    setCopyFeedback('');
+  }, []);
+
+  const loadNotificationSettings = useCallback(async () => {
+    if (!sessionToken) {
+      return;
+    }
+    setLoading(true);
+    setError('');
+    try {
+      const response = await authorizedFetch('/api/notifications/settings');
+      if (!response.ok) {
+        throw new Error(`HTTP ${response.status}`);
+      }
+      const data = await response.json();
+      setSettings({
+        ntfy: {
+          enabled: Boolean(data?.settings?.ntfy?.enabled),
+          topic: data?.settings?.ntfy?.topic || '',
+          serverUrl: data?.settings?.ntfy?.serverUrl || ''
+        },
+        telegram: {
+          enabled: Boolean(data?.settings?.telegram?.enabled),
+          chatId: data?.settings?.telegram?.chatId || ''
+        }
+      });
+      setCapabilities({
+        ntfy: {
+          enabled: Boolean(data?.capabilities?.ntfy?.enabled),
+          serverUrl: data?.capabilities?.ntfy?.serverUrl || '',
+          topicPrefix: data?.capabilities?.ntfy?.topicPrefix || ''
+        },
+        telegram: {
+          enabled: Boolean(data?.capabilities?.telegram?.enabled)
+        }
+      });
+      setDirty(false);
+    } catch (err) {
+      setError(`Benachrichtigungseinstellungen konnten nicht geladen werden: ${err.message}`);
+    } finally {
+      setLoading(false);
+    }
+  }, [authorizedFetch, sessionToken]);
+
+  const handleFieldChange = useCallback((channel, field, value) => {
+    if (channel === 'ntfy' && field === 'serverUrl') {
+      return;
+    }
+    setSettings((prev) => {
+      const nextChannel = {
+        ...prev[channel],
+        [field]: value
+      };
+      return {
+        ...prev,
+        [channel]: nextChannel
+      };
+    });
+    setDirty(true);
+  }, []);
+
+  const saveNotificationSettings = useCallback(async () => {
+    if (!sessionToken) {
+      return;
+    }
+    setSaving(true);
+    setError('');
+    setMessage('');
+    try {
+      const response = await authorizedFetch('/api/notifications/settings', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ notifications: settings })
+      });
+      if (!response.ok) {
+        throw new Error(`HTTP ${response.status}`);
+      }
+      const data = await response.json();
+      setSettings({
+        ntfy: {
+          enabled: Boolean(data?.ntfy?.enabled),
+          topic: data?.ntfy?.topic || settings.ntfy.topic,
+          serverUrl: data?.ntfy?.serverUrl || settings.ntfy.serverUrl
+        },
+        telegram: {
+          enabled: Boolean(data?.telegram?.enabled),
+          chatId: data?.telegram?.chatId || settings.telegram.chatId
+        }
+      });
+      setDirty(false);
+      setMessage('Benachrichtigungseinstellungen gespeichert.');
+      setTimeout(() => setMessage(''), 4000);
+    } catch (err) {
+      setError(`Speichern der Benachrichtigungen fehlgeschlagen: ${err.message}`);
+    } finally {
+      setSaving(false);
+    }
+  }, [authorizedFetch, sessionToken, settings]);
+
+  const sendNotificationTest = useCallback(
+    async (channel) => {
+      if (!sessionToken) {
+        return;
+      }
+      setError('');
+      setMessage('');
+      try {
+        const response = await authorizedFetch('/api/notifications/test', {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify({ channel })
+        });
+        if (!response.ok) {
+          throw new Error(`HTTP ${response.status}`);
+        }
+        await response.json();
+        setMessage('Testbenachrichtigung gesendet.');
+        setTimeout(() => setMessage(''), 4000);
+      } catch (err) {
+        setError(`Testbenachrichtigung fehlgeschlagen: ${err.message}`);
+      }
+    },
+    [authorizedFetch, sessionToken]
+  );
+
+  const copyToClipboard = useCallback(async (text) => {
+    if (!text) {
+      return;
+    }
+    setCopyFeedback('');
+    try {
+      if (navigator?.clipboard?.writeText) {
+        await navigator.clipboard.writeText(text);
+      } else {
+        const tempInput = document.createElement('textarea');
+        tempInput.value = text;
+        tempInput.style.position = 'fixed';
+        tempInput.style.top = '-9999px';
+        document.body.appendChild(tempInput);
+        tempInput.focus();
+        tempInput.select();
+        document.execCommand('copy');
+        document.body.removeChild(tempInput);
+      }
+      setCopyFeedback('Link kopiert!');
+      setTimeout(() => setCopyFeedback(''), 2000);
+    } catch (err) {
+      setCopyFeedback(`Kopieren fehlgeschlagen: ${err.message}`);
+      setTimeout(() => setCopyFeedback(''), 3000);
+    }
+  }, []);
+
+  useEffect(() => {
+    if (!sessionToken) {
+      resetState();
+      return;
+    }
+    loadNotificationSettings();
+  }, [sessionToken, loadNotificationSettings, resetState]);
+
+  return {
+    notificationSettings: settings,
+    notificationCapabilities: capabilities,
+    notificationDirty: dirty,
+    notificationLoading: loading,
+    notificationSaving: saving,
+    notificationMessage: message,
+    notificationError: error,
+    copyFeedback,
+    loadNotificationSettings,
+    handleNotificationFieldChange: handleFieldChange,
+    saveNotificationSettings,
+    sendNotificationTest,
+    copyToClipboard,
+    resetNotificationState: resetState
+  };
+};
+
+export default useNotificationSettings;