import React, { useState } from 'react';
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { adminApi } from '../../api/admin';
import { AppLayout } from '../../components/layout/AppLayout';
import { PageLoader } from '../../components/ui/LoadingSpinner';
import {
Mail, Plus, Search, Trash2, X,
Send, CheckCircle, AlertCircle, Eye,
} from 'lucide-react';
import type { EmailCampaign, EmailCampaignStatus } from '../../types';
const STATUS_COLORS: Record<string, string> = {
draft: 'bg-surface-100 text-surface-600',
scheduled: 'bg-blue-100 text-blue-700',
sending: 'bg-brand-100 text-brand-700',
sent: 'bg-brand-100 text-brand-700',
completed: 'bg-success/10 text-success',
paused: 'bg-warning/10 text-warning',
failed: 'bg-red-100 text-red-700',
};
const STATUS_ICONS: Record<string, React.ReactNode> = {
draft: null,
scheduled: <AlertCircle className="mr-1 h-3 w-3" />,
sending: <Send className="mr-1 h-3 w-3" />,
sent: <Send className="mr-1 h-3 w-3" />,
completed: <CheckCircle className="mr-1 h-3 w-3" />,
paused: <AlertCircle className="mr-1 h-3 w-3" />,
failed: <AlertCircle className="mr-1 h-3 w-3" />,
};
export function EmailCampaignsPage() {
const queryClient = useQueryClient();
const [search, setSearch] = useState('');
const [showCreateModal, setShowCreateModal] = useState(false);
const [newName, setNewName] = useState('');
const [newSubject, setNewSubject] = useState('');
const [newRecipients, setNewRecipients] = useState('');
const { data, isLoading } = useQuery({
queryKey: ['email-campaigns'],
queryFn: () => adminApi.getEmailCampaigns(),
});
const campaigns = data?.items ?? [];
const createMutation = useMutation({
mutationFn: (data: { name: string; subject?: string; recipients?: { email: string }[] }) =>
adminApi.createEmailCampaign(data),
onSuccess: () => {
queryClient.invalidateQueries({ queryKey: ['email-campaigns'] });
setShowCreateModal(false);
setNewName('');
setNewSubject('');
setNewRecipients('');
},
});
const deleteMutation = useMutation({
mutationFn: (id: string) => adminApi.deleteEmailCampaign(id),
onSuccess: () => {
queryClient.invalidateQueries({ queryKey: ['email-campaigns'] });
},
});
const filtered = campaigns.filter((c) =>
c.name.toLowerCase().includes(search.toLowerCase()) ||
c.subject.toLowerCase().includes(search.toLowerCase())
);
const handleCreate = () => {
if (!newName.trim()) return;
const recipients = newRecipients
.split(',')
.map(r => r.trim())
.filter(r => r.includes('@'))
.map(email => ({ email }));
createMutation.mutate({
name: newName.trim(),
subject: newSubject.trim(),
recipients: recipients.length ? recipients : undefined,
});
};
if (isLoading) {
return (
<AppLayout title="Email Campaigns">
<PageLoader />
</AppLayout>
);
}
return (
<AppLayout title="Email Campaigns">
{/* Header */}
<div className="mb-6 flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
<div>
<h1 className="text-xl sm:text-2xl font-bold text-surface-900">Email Delivery</h1>
<p className="mt-1 text-sm text-surface-500">
{campaigns.length} campaign{campaigns.length !== 1 ? 's' : ''} tracked
</p>
</div>
<div className="flex gap-3">
<div className="relative">
<Search className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-surface-500" />
<input
type="text"
value={search}
onChange={(e) => setSearch(e.target.value)}
placeholder="Search campaigns..."
className="w-full rounded-lg border border-surface-300 py-2.5 pl-9 pr-4 text-sm outline-none focus:border-brand-500 sm:w-64 min-h-[44px]"
/>
</div>
<button
onClick={() => setShowCreateModal(true)}
className="flex items-center gap-2 rounded-lg bg-brand-600 px-4 py-2.5 text-sm font-medium text-white hover:bg-brand-700 min-h-[44px]"
>
<Plus className="h-4 w-4" />
New Campaign
</button>
</div>
</div>
{/* Campaigns */}
{filtered.length === 0 ? (
<div className="flex flex-col items-center justify-center rounded-xl border border-surface-200 bg-white py-16">
<Mail className="h-12 w-12 text-surface-300" />
<p className="mt-4 text-sm font-medium text-surface-700">
{search ? 'No campaigns match your search' : 'No email campaigns yet'}
</p>
<p className="mt-1 text-xs text-surface-500">
Create a campaign to track email delivery metrics
</p>
</div>
) : (
<div className="rounded-xl border border-surface-200 bg-white overflow-x-auto">
<table className="w-full text-sm">
<thead>
<tr className="border-b border-surface-200">
<th className="pb-3 pl-5 text-left font-medium text-surface-500">Campaign</th>
<th className="pb-3 text-left font-medium text-surface-500">Status</th>
<th className="pb-3 text-right font-medium text-surface-500">Sent</th>
<th className="pb-3 text-right font-medium text-surface-500">Delivered</th>
<th className="pb-3 text-right font-medium text-surface-500">Opened</th>
<th className="pb-3 text-right font-medium text-surface-500">Bounced</th>
<th className="pb-3 text-right font-medium text-surface-500">Failed</th>
<th className="pb-3 pr-5 w-10"></th>
</tr>
</thead>
<tbody className="divide-y divide-surface-100">
{filtered.map((campaign) => (
<CampaignRow
key={campaign.id}
campaign={campaign}
onDelete={() => deleteMutation.mutate(campaign.id)}
isDeleting={deleteMutation.isPending && deleteMutation.variables === campaign.id}
/>
))}
</tbody>
</table>
</div>
)}
{/* Create Modal */}
{showCreateModal && (
<div className="fixed inset-0 z-50 flex items-center justify-center bg-black/50 p-4">
<div className="w-full max-w-md rounded-xl bg-white p-6 shadow-xl">
<div className="mb-4 flex items-center justify-between">
<h2 className="text-lg font-bold text-surface-900">Create Email Campaign</h2>
<button
onClick={() => { setShowCreateModal(false); setNewName(''); setNewSubject(''); setNewRecipients(''); }}
className="rounded-lg p-1 text-surface-400 hover:bg-surface-100 hover:text-surface-600"
>
<X className="h-5 w-5" />
</button>
</div>
<div className="space-y-4">
<div>
<label className="block text-sm font-medium text-surface-700 mb-1">Name</label>
<input
type="text"
value={newName}
onChange={(e) => setNewName(e.target.value)}
placeholder="e.g. Q3 Newsletter"
className="w-full rounded-lg border border-surface-300 px-3 py-2.5 text-sm outline-none focus:border-brand-500"
autoFocus
/>
</div>
<div>
<label className="block text-sm font-medium text-surface-700 mb-1">Subject</label>
<input
type="text"
value={newSubject}
onChange={(e) => setNewSubject(e.target.value)}
placeholder="Email subject line"
className="w-full rounded-lg border border-surface-300 px-3 py-2.5 text-sm outline-none focus:border-brand-500"
/>
</div>
<div>
<label className="block text-sm font-medium text-surface-700 mb-1">
Recipients (comma-separated emails)
</label>
<textarea
value={newRecipients}
onChange={(e) => setNewRecipients(e.target.value)}
placeholder="user1@example.com, user2@example.com"
rows={3}
className="w-full rounded-lg border border-surface-300 px-3 py-2.5 text-sm outline-none focus:border-brand-500 resize-none"
/>
</div>
<div className="flex justify-end gap-3">
<button
onClick={() => { setShowCreateModal(false); setNewName(''); setNewSubject(''); setNewRecipients(''); }}
className="rounded-lg border border-surface-300 px-4 py-2.5 text-sm font-medium text-surface-700 hover:bg-surface-50 min-h-[44px]"
>
Cancel
</button>
<button
onClick={handleCreate}
disabled={!newName.trim() || createMutation.isPending}
className="rounded-lg bg-brand-600 px-4 py-2.5 text-sm font-medium text-white hover:bg-brand-700 disabled:opacity-50 min-h-[44px]"
>
{createMutation.isPending ? 'Creating...' : 'Create'}
</button>
</div>
</div>
</div>
</div>
)}
</AppLayout>
);
}
function CampaignRow({ campaign, onDelete, isDeleting }: {
campaign: EmailCampaign;
onDelete: () => void;
isDeleting: boolean;
}) {
const deliveryRate = campaign.total_sent > 0
? Math.round((campaign.delivered / campaign.total_sent) * 100)
: 0;
const openRate = campaign.delivered > 0
? Math.round((campaign.opened / campaign.delivered) * 100)
: 0;
return (
<tr className="group hover:bg-surface-50">
<td className="py-3 pl-5">
<a href={`/admin/email-campaigns/${campaign.id}`} className="flex items-center gap-3">
<div className="flex h-8 w-8 items-center justify-center rounded-lg bg-brand-100 text-brand-600">
<Mail className="h-4 w-4" />
</div>
<div className="min-w-0">
<p className="font-medium text-surface-900 truncate group-hover:text-brand-700">
{campaign.name}
</p>
<p className="text-xs text-surface-500 truncate">{campaign.subject || 'No subject'}</p>
</div>
</a>
</td>
<td className="py-3">
<span className={`inline-flex items-center rounded-full px-2.5 py-0.5 text-xs font-medium ${STATUS_COLORS[campaign.status] || 'bg-surface-200 text-surface-600'}`}>
{STATUS_ICONS[campaign.status]}
{campaign.status}
</span>
</td>
<td className="py-3 text-right font-medium text-surface-900">{campaign.total_sent}</td>
<td className="py-3 text-right">
<span className="text-surface-700">{campaign.delivered}</span>
<span className="ml-1 text-xs text-surface-400">({deliveryRate}%)</span>
</td>
<td className="py-3 text-right">
<span className="text-surface-700">{campaign.opened}</span>
<span className="ml-1 text-xs text-surface-400">({openRate}%)</span>
</td>
<td className="py-3 text-right text-surface-600">{campaign.bounced}</td>
<td className="py-3 text-right text-red-600">{campaign.failed}</td>
<td className="py-3 pr-5 text-right">
<button
onClick={(e) => { e.preventDefault(); e.stopPropagation(); onDelete(); }}
className="rounded-lg p-1.5 text-surface-400 opacity-0 transition-opacity hover:bg-red-50 hover:text-red-600 group-hover:opacity-100"
title="Delete campaign"
>
<Trash2 className="h-4 w-4" />
</button>
</td>
</tr>
);
}