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* EmailTemplateEditModal (Story 10.2)
*
* Two modes:
* - Edit mode (template prop provided): edit existing template
* - Create mode (template undefined): create new content template
*
* Two editor modes:
* - Layout mode (isLayoutMode=true): Monaco Editor, no subject field
* - Content mode (isLayoutMode=false): TinyMCE WYSIWYG, subject field, layoutKey selector
*/
import React, { useCallback, useEffect, useRef, useState } from 'react';
import Editor from '@monaco-editor/react';
import { Editor as TinyMCEEditor } from '@tinymce/tinymce-react';
import {
Alert,
Box,
Button,
Chip,
CircularProgress,
Dialog,
DialogActions,
DialogContent,
DialogTitle,
FormControl,
InputLabel,
MenuItem,
Select,
TextField,
Typography,
useMediaQuery,
useTheme,
} from '@mui/material';
import { useTranslation } from 'react-i18next';
import {
useCreateEmailTemplate,
useLayoutTemplates,
useUpdateEmailTemplate,
} from '@/hooks/useEmailTemplates';
import type { EmailTemplateResponse } from '@/hooks/useEmailTemplates';
interface Props {
/** When provided: edit mode. When undefined: create mode. */
template?: EmailTemplateResponse;
isLayoutMode: boolean;
/** Category to assign when creating a new template (defaults to 'SPEAKER'). */
initialCategory?: string;
/** When set, pre-fills content/subject/layout from this template (create mode only). */
cloneFrom?: EmailTemplateResponse;
onClose: () => void;
}
function extractVariables(html: string): string[] {
const matches = new Set<string>();
const re = /\{\{(\w+)\}\}/g;
let m;
while ((m = re.exec(html)) !== null) {
matches.add(m[1]);
}
return Array.from(matches);
}
export const EmailTemplateEditModal: React.FC<Props> = ({
template,
isLayoutMode,
initialCategory,
cloneFrom,
onClose,
}) => {
const { t } = useTranslation();
const theme = useTheme();
const isFullScreen = useMediaQuery(theme.breakpoints.down('md'));
const isEdit = Boolean(template);
// Create-mode fields
const [newTemplateKey, setNewTemplateKey] = useState('');
const [newLocale, setNewLocale] = useState<'de' | 'en'>(
(cloneFrom?.locale as 'de' | 'en') ?? 'de'
);
// Shared fields (pre-fill from cloneFrom in create mode)
const [subject, setSubject] = useState(template?.subject ?? cloneFrom?.subject ?? '');
const [htmlBody, setHtmlBody] = useState(template?.htmlBody ?? cloneFrom?.htmlBody ?? '');
const [layoutKey, setLayoutKey] = useState(
template?.layoutKey ?? cloneFrom?.layoutKey ?? 'batbern-default'
);
const [error, setError] = useState<string | null>(null);
// Track TinyMCE content in a ref to avoid re-renders on every keystroke
// (re-renders cause cursor to jump to top). Sync to state on blur for validation.
const tinymceContentRef = useRef(htmlBody);
const syncHtmlBodyFromEditor = useCallback(() => {
setHtmlBody(tinymceContentRef.current);
}, []);
const { data: layouts = [] } = useLayoutTemplates();
const createMutation = useCreateEmailTemplate();
const updateMutation = useUpdateEmailTemplate();
const isSaving = createMutation.isPending || updateMutation.isPending;
useEffect(() => {
if (template) {
setSubject(template.subject ?? '');
setHtmlBody(template.htmlBody);
setLayoutKey(template.layoutKey ?? 'batbern-default');
}
}, [template]);
const missingContentPlaceholder = isLayoutMode && !htmlBody.includes('{{content}}');
const detectedVars = [
...new Set([
...(template?.variables ? Object.keys(template.variables) : []),
...extractVariables(htmlBody),
]),
];
const handleSave = async () => {
setError(null);
// Sync latest TinyMCE content before validation (ref may be ahead of state)
const currentHtmlBody = isLayoutMode ? htmlBody : tinymceContentRef.current;
if (!isLayoutMode) {
setHtmlBody(currentHtmlBody);
}
Iif (!currentHtmlBody.trim()) {
setError(t('emailTemplates.validation.htmlBodyRequired', 'HTML body is required.'));
return;
}
if (!isLayoutMode && !subject.trim()) {
setError(
t('emailTemplates.validation.subjectRequired', 'Subject is required for content templates.')
);
return;
}
try {
if (isEdit && template) {
await updateMutation.mutateAsync({
templateKey: template.templateKey,
locale: template.locale,
req: {
subject: isLayoutMode ? undefined : subject,
htmlBody: currentHtmlBody,
layoutKey: isLayoutMode ? undefined : layoutKey || undefined,
},
});
} else {
Eif (!newTemplateKey.trim()) {
setError(t('emailTemplates.validation.templateKeyRequired', 'Template key is required.'));
return;
}
if (/\s/.test(newTemplateKey)) {
setError(
t(
'emailTemplates.validation.templateKeyNoSpaces',
'Template key must not contain spaces.'
)
);
return;
}
await createMutation.mutateAsync({
templateKey: newTemplateKey.trim(),
locale: newLocale,
category: (initialCategory ?? 'SPEAKER') as
| 'SPEAKER'
| 'REGISTRATION'
| 'TASK_REMINDER'
| 'LAYOUT'
| 'NEWSLETTER'
| 'VENUE_COORDINATION'
| 'REGISTRANT_NOTICE',
isLayout: false,
subject,
htmlBody: currentHtmlBody,
layoutKey: layoutKey || undefined,
});
}
onClose();
} catch (err: unknown) {
const status = (err as { response?: { status?: number } })?.response?.status;
if (status === 409) {
setError(
t(
'emailTemplates.validation.duplicateKey',
'A template with this key already exists for this locale. Please choose a different key.'
)
);
} else {
setError(t('emailTemplates.saveFailed', 'Failed to save template. Please try again.'));
}
}
};
const title = isEdit
? t('emailTemplates.editTitle', 'Edit Template')
: cloneFrom
? t('emailTemplates.duplicateTitle', 'Duplicate Template')
: t('emailTemplates.createTitle', 'New Template');
return (
<Dialog
open
onClose={onClose}
maxWidth="lg"
fullWidth
fullScreen={isFullScreen}
data-testid="email-template-modal"
>
<DialogTitle>{title}</DialogTitle>
<DialogContent dividers>
{/* Metadata chips (edit mode) */}
{template && (
<Box sx={{ mb: 2, display: 'flex', gap: 1, flexWrap: 'wrap' }}>
<Chip label={template.templateKey} size="small" variant="outlined" />
<Chip label={template.locale.toUpperCase()} size="small" color="primary" />
<Chip label={template.category} size="small" />
{template.isSystemTemplate && (
<Chip
label={t('emailTemplates.systemTemplate', 'System Template')}
size="small"
color="warning"
/>
)}
</Box>
)}
{/* Create-mode: templateKey + locale */}
{!isEdit && (
<Box sx={{ display: 'flex', gap: 2, mb: 2 }}>
<TextField
label={t('emailTemplates.templateKey', 'Template Key')}
value={newTemplateKey}
onChange={(e) => setNewTemplateKey(e.target.value)}
fullWidth
required
helperText="e.g. my-custom-invitation"
inputProps={{ 'data-testid': 'email-template-key-input' }}
/>
<FormControl sx={{ minWidth: 100 }}>
<InputLabel>{t('emailTemplates.locale', 'Locale')}</InputLabel>
<Select
value={newLocale}
label={t('emailTemplates.locale', 'Locale')}
onChange={(e) => setNewLocale(e.target.value as 'de' | 'en')}
>
<MenuItem value="de">DE</MenuItem>
<MenuItem value="en">EN</MenuItem>
</Select>
</FormControl>
</Box>
)}
{/* Subject (content mode only) */}
{!isLayoutMode && (
<TextField
label={t('emailTemplates.subject', 'Subject')}
value={subject}
onChange={(e) => setSubject(e.target.value)}
fullWidth
required
inputProps={{ maxLength: 500, 'data-testid': 'email-template-subject-input' }}
sx={{ mb: 2 }}
/>
)}
<Typography variant="subtitle2" gutterBottom>
{t('emailTemplates.htmlBody', 'HTML Content')}
</Typography>
{missingContentPlaceholder && (
<Alert severity="warning" sx={{ mb: 1 }}>
{t(
'emailTemplates.missingContentPlaceholder',
'{{content}} placeholder missing — email body will be empty'
)}
</Alert>
)}
{/* Editor */}
{isLayoutMode ? (
<Box sx={{ border: '1px solid', borderColor: 'divider', borderRadius: 1 }}>
<Editor
height="500px"
language="html"
value={htmlBody}
onChange={(val) => setHtmlBody(val ?? '')}
options={{
wordWrap: 'on',
minimap: { enabled: false },
fontSize: 13,
}}
/>
</Box>
) : (
<Box sx={{ border: '1px solid', borderColor: 'divider', borderRadius: 1 }}>
<TinyMCEEditor
tinymceScriptSrc="/tinymce/tinymce.min.js"
initialValue={htmlBody}
onEditorChange={(val: string) => {
tinymceContentRef.current = val;
}}
licenseKey="gpl"
init={{
height: 400,
menubar: false,
z_index: 1400, // Must exceed MUI Dialog z-index (1300) so source code dialog is clickable
plugins: 'code table lists link',
toolbar:
'code | blocks | bold italic underline' +
' | alignleft aligncenter alignright' +
' | bullist numlist | outdent indent | hr | link | table',
entity_encoding: 'raw',
valid_elements: '*[*]',
branding: false,
setup: (editor) => {
editor.on('blur', syncHtmlBodyFromEditor);
},
}}
/>
</Box>
)}
{/* Layout key + variable chips (content mode only) */}
{!isLayoutMode && (
<Box sx={{ mt: 2 }}>
<FormControl fullWidth sx={{ mb: 2 }}>
<InputLabel>{t('emailTemplates.layoutKey', 'Layout')}</InputLabel>
<Select
value={layoutKey}
label={t('emailTemplates.layoutKey', 'Layout')}
onChange={(e) => setLayoutKey(e.target.value)}
>
<MenuItem value="">{t('emailTemplates.standalone', 'None (standalone)')}</MenuItem>
{layouts.map((l) => (
<MenuItem key={`${l.templateKey}-${l.locale}`} value={l.templateKey}>
{l.templateKey} ({l.locale})
</MenuItem>
))}
</Select>
</FormControl>
{detectedVars.length > 0 && (
<Box>
<Typography variant="caption" color="text.secondary">
{t('emailTemplates.variables', 'Available Variables')}:
</Typography>
<Box sx={{ display: 'flex', flexWrap: 'wrap', gap: 0.5, mt: 0.5 }}>
{detectedVars.map((v) => (
<Chip key={v} label={`{{${v}}}`} size="small" variant="outlined" />
))}
</Box>
</Box>
)}
</Box>
)}
{error && (
<Alert severity="error" sx={{ mt: 2 }}>
{error}
</Alert>
)}
</DialogContent>
<DialogActions>
<Button onClick={onClose} disabled={isSaving}>
{t('actions.cancel', 'Cancel')}
</Button>
<Button
onClick={handleSave}
variant="contained"
disabled={isSaving}
startIcon={isSaving ? <CircularProgress size={16} /> : undefined}
data-testid="email-template-save"
>
{t('actions.save', 'Save')}
</Button>
</DialogActions>
</Dialog>
);
};
|