plunk/apps/web/src/pages/templates/create.tsx

import {
  Button,
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
  Input,
  Label,
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from '@plunk/ui';
import {NextSeo} from 'next-seo';
import {DashboardLayout} from '../../components/DashboardLayout';
import {EmailSettings} from '../../components/EmailSettings';
import {EmailEditor} from '../../components/EmailEditor';
import {network} from '../../lib/network';
import {EmailFormValidator} from '../../lib/validation';
import {ArrowLeft, Save} from 'lucide-react';
import Link from 'next/link';
import {useRouter} from 'next/router';
import {useState} from 'react';
import {toast} from 'sonner';
import {TemplateSchemas} from '@plunk/shared';
import {useActiveProject} from '../../lib/contexts/ActiveProjectProvider';

export default function CreateTemplatePage() {
  const router = useRouter();
  const {activeProject} = useActiveProject();
  const [name, setName] = useState('');
  const [description, setDescription] = useState('');
  const [subject, setSubject] = useState('');
  const [body, setBody] = useState('');
  const [from, setFrom] = useState('');
  const [fromName, setFromName] = useState('');
  const [replyTo, setReplyTo] = useState('');
  const [type, setType] = useState<'MARKETING' | 'TRANSACTIONAL'>('MARKETING');
  const [saving, setSaving] = useState(false);

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();

    const validationError = EmailFormValidator.validateTemplate({name, subject, body, from});
    if (validationError) {
      toast.error(validationError);
      return;
    }

    setSaving(true);

    try {
      const template = await network.fetch<{id: string}, typeof TemplateSchemas.create>('POST', '/templates', {
        name,
        description: description || undefined,
        subject,
        body,
        from,
        fromName: fromName || undefined,
        replyTo: replyTo || undefined,
        type,
      });

      toast.success('Template created successfully');
      void router.push(`/templates/${template.id}`);
    } catch (error) {
      toast.error(error instanceof Error ? error.message : 'Failed to create template');
      setSaving(false);
    }
  };

  return (
    <>
      <NextSeo title="Create Template" />
    <DashboardLayout>
      <div className="max-w-5xl mx-auto space-y-6">
        {/* Header */}
        <div className="space-y-4">
          <div className="flex items-center gap-3 sm:gap-4">
            <Link href="/templates">
              <Button variant="ghost" size="sm">
                <ArrowLeft className="h-4 w-4" />
              </Button>
            </Link>
            <div className="flex-1 min-w-0">
              <h1 className="text-2xl sm:text-3xl font-bold text-neutral-900">Create Template</h1>
              <p className="text-neutral-500 mt-1 text-sm sm:text-base">Create a reusable email template for campaigns and workflows</p>
            </div>
          </div>
          <div className="flex justify-end">
            <Button onClick={handleSubmit} disabled={saving} className="w-full sm:w-auto">
              <Save className="h-4 w-4" />
              <span className="hidden sm:inline">{saving ? 'Creating...' : 'Create Template'}</span>
              <span className="sm:hidden">{saving ? 'Creating...' : 'Create'}</span>
            </Button>
          </div>
        </div>

        <form onSubmit={handleSubmit} className="space-y-6">
          {/* Template Settings */}
          <Card>
            <CardHeader>
              <CardTitle>Template Settings</CardTitle>
              <CardDescription>Configure your template details and email settings</CardDescription>
            </CardHeader>
            <CardContent className="space-y-4">
              <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
                <div>
                  <Label htmlFor="name">Template Name *</Label>
                  <Input
                    id="name"
                    type="text"
                    value={name}
                    onChange={e => setName(e.target.value)}
                    required
                    placeholder="Welcome Email"
                  />
                </div>

                <div>
                  <Label htmlFor="type">Template Type *</Label>
                  <Select value={type} onValueChange={value => setType(value as 'MARKETING' | 'TRANSACTIONAL')}>
                    <SelectTrigger id="type">
                      <SelectValue />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="MARKETING">Marketing</SelectItem>
                      <SelectItem value="TRANSACTIONAL">Transactional</SelectItem>
                    </SelectContent>
                  </Select>
                </div>
              </div>

              <div>
                <Label htmlFor="description">Description</Label>
                <Input
                  id="description"
                  type="text"
                  value={description}
                  onChange={e => setDescription(e.target.value)}
                  placeholder="Sent to new subscribers"
                />
              </div>

              <div>
                <Label htmlFor="subject">Subject Line *</Label>
                <Input
                  id="subject"
                  type="text"
                  value={subject}
                  onChange={e => setSubject(e.target.value)}
                  required
                  placeholder="Welcome to our platform!"
                />
              </div>

              <EmailSettings
                from={from}
                fromName={fromName}
                replyTo={replyTo}
                onFromChange={setFrom}
                onFromNameChange={setFromName}
                onReplyToChange={setReplyTo}
                fromNamePlaceholder={activeProject?.name || 'Your Company'}
              />
            </CardContent>
          </Card>

          {/* Email Body */}
          <Card>
            <CardHeader>
              <CardTitle>Email Body</CardTitle>
              <CardDescription>Create your email using the visual editor or paste custom HTML</CardDescription>
            </CardHeader>
            <CardContent>
              <EmailEditor
                value={body}
                onChange={setBody}
                placeholder="<h1>Welcome!</h1><p>Thanks for subscribing to our newsletter.</p>"
                canUploadImages={true}
                subject={subject}
                from={from}
                replyTo={replyTo}
              />
            </CardContent>
          </Card>
        </form>
      </div>
    </DashboardLayout>
    </>
  );
}