From a5cd9538b0db731a0d0e10e58804ef8ad32211b7 Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@adammathes.com>
Date: Fri, 13 Feb 2026 07:13:18 -0800
Subject: Implement Frontend Settings with tests

---
 frontend/src/components/Settings.css      |  83 ++++++++++++++++++++
 frontend/src/components/Settings.test.tsx |  92 +++++++++++++++++++++++
 frontend/src/components/Settings.tsx      | 121 ++++++++++++++++++++++++++++++
 3 files changed, 296 insertions(+)
 create mode 100644 frontend/src/components/Settings.css
 create mode 100644 frontend/src/components/Settings.test.tsx
 create mode 100644 frontend/src/components/Settings.tsx

(limited to 'frontend/src/components')

diff --git a/frontend/src/components/Settings.css b/frontend/src/components/Settings.css
new file mode 100644
index 0000000..4065e88
--- /dev/null
+++ b/frontend/src/components/Settings.css
@@ -0,0 +1,83 @@
+.settings-page {
+    padding: 2rem;
+    max-width: 800px;
+    margin: 0 auto;
+}
+
+.add-feed-section {
+    background: #f9f9f9;
+    padding: 1.5rem;
+    border-radius: 8px;
+    margin-bottom: 2rem;
+    border: 1px solid #eee;
+}
+
+.add-feed-form {
+    display: flex;
+    gap: 1rem;
+}
+
+.feed-input {
+    flex: 1;
+    padding: 0.5rem;
+    border: 1px solid #ccc;
+    border-radius: 4px;
+    font-size: 1rem;
+}
+
+.error-message {
+    color: #d32f2f;
+    margin-top: 1rem;
+}
+
+.settings-feed-list {
+    list-style: none;
+    padding: 0;
+    border: 1px solid #eee;
+    border-radius: 8px;
+}
+
+.settings-feed-item {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 1rem;
+    border-bottom: 1px solid #eee;
+}
+
+.settings-feed-item:last-child {
+    border-bottom: none;
+}
+
+.feed-info {
+    display: flex;
+    flex-direction: column;
+}
+
+.feed-title {
+    font-weight: bold;
+    font-size: 1.1rem;
+}
+
+.feed-url {
+    color: #666;
+    font-size: 0.9rem;
+}
+
+.delete-btn {
+    background: #ff5252;
+    color: white;
+    border: none;
+    padding: 0.5rem 1rem;
+    border-radius: 4px;
+    cursor: pointer;
+}
+
+.delete-btn:hover {
+    background: #ff1744;
+}
+
+.delete-btn:disabled {
+    background: #ffcdd2;
+    cursor: not-allowed;
+}
\ No newline at end of file
diff --git a/frontend/src/components/Settings.test.tsx b/frontend/src/components/Settings.test.tsx
new file mode 100644
index 0000000..a15192d
--- /dev/null
+++ b/frontend/src/components/Settings.test.tsx
@@ -0,0 +1,92 @@
+import React from 'react';
+import '@testing-library/jest-dom';
+import { render, screen, waitFor, fireEvent } from '@testing-library/react';
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import Settings from './Settings';
+
+describe('Settings Component', () => {
+    beforeEach(() => {
+        vi.resetAllMocks();
+        global.fetch = vi.fn();
+        // Mock confirm
+        global.confirm = vi.fn(() => true);
+    });
+
+    it('renders feed list', async () => {
+        const mockFeeds = [
+            { _id: 1, title: 'Tech News', url: 'http://tech.com/rss', category: 'tech' },
+            { _id: 2, title: 'Gaming', url: 'http://gaming.com/rss', category: 'gaming' },
+        ];
+
+        (global.fetch as any).mockResolvedValueOnce({
+            ok: true,
+            json: async () => mockFeeds,
+        });
+
+        render(<Settings />);
+
+        await waitFor(() => {
+            expect(screen.getByText('Tech News')).toBeInTheDocument();
+            expect(screen.getByText('http://tech.com/rss')).toBeInTheDocument();
+            expect(screen.getByText('Gaming')).toBeInTheDocument();
+        });
+    });
+
+    it('adds a new feed', async () => {
+        (global.fetch as any)
+            .mockResolvedValueOnce({ ok: true, json: async () => [] }) // Initial load
+            .mockResolvedValueOnce({ ok: true, json: async () => ({}) }) // Add feed
+            .mockResolvedValueOnce({ ok: true, json: async () => [{ _id: 3, title: 'New Feed', url: 'http://new.com/rss' }] }); // Refresh load
+
+        render(<Settings />);
+
+        // Wait for initial load to finish
+        await waitFor(() => {
+            expect(screen.queryByText('Loading...')).not.toBeInTheDocument();
+        });
+
+        const input = screen.getByPlaceholderText('https://example.com/feed.xml');
+        const button = screen.getByText('Add Feed');
+
+        fireEvent.change(input, { target: { value: 'http://new.com/rss' } });
+        fireEvent.click(button);
+
+        await waitFor(() => {
+            expect(global.fetch).toHaveBeenCalledWith('/api/feed/', expect.objectContaining({
+                method: 'POST',
+                body: JSON.stringify({ url: 'http://new.com/rss' }),
+            }));
+        });
+
+        // Wait for refresh
+        await waitFor(() => {
+            expect(screen.getByText('New Feed')).toBeInTheDocument();
+        });
+    });
+
+    it('deletes a feed', async () => {
+        const mockFeeds = [
+            { _id: 1, title: 'Tech News', url: 'http://tech.com/rss', category: 'tech' },
+        ];
+
+        (global.fetch as any)
+            .mockResolvedValueOnce({ ok: true, json: async () => mockFeeds }) // Initial load
+            .mockResolvedValueOnce({ ok: true }); // Delete
+
+        render(<Settings />);
+
+        await waitFor(() => {
+            expect(screen.queryByText('Loading...')).not.toBeInTheDocument();
+            expect(screen.getByText('Tech News')).toBeInTheDocument();
+        });
+
+        const deleteBtn = screen.getByTitle('Delete Feed');
+        fireEvent.click(deleteBtn);
+
+        await waitFor(() => {
+            expect(global.confirm).toHaveBeenCalled();
+            expect(global.fetch).toHaveBeenCalledWith('/api/feed/1', expect.objectContaining({ method: 'DELETE' }));
+            expect(screen.queryByText('Tech News')).not.toBeInTheDocument();
+        });
+    });
+});
diff --git a/frontend/src/components/Settings.tsx b/frontend/src/components/Settings.tsx
new file mode 100644
index 0000000..def8ffe
--- /dev/null
+++ b/frontend/src/components/Settings.tsx
@@ -0,0 +1,121 @@
+import React, { useEffect, useState } from 'react';
+import type { Feed } from '../types';
+import './Settings.css';
+
+export default function Settings() {
+    const [feeds, setFeeds] = useState<Feed[]>([]);
+    const [newFeedUrl, setNewFeedUrl] = useState('');
+    const [loading, setLoading] = useState(false);
+    const [error, setError] = useState<string | null>(null);
+
+    useEffect(() => {
+        fetchFeeds();
+    }, []);
+
+    const fetchFeeds = () => {
+        setLoading(true);
+        fetch('/api/feed/')
+            .then((res) => {
+                if (!res.ok) throw new Error('Failed to fetch feeds');
+                return res.json();
+            })
+            .then((data) => {
+                setFeeds(data);
+                setLoading(false);
+            })
+            .catch((err) => {
+                setError(err.message);
+                setLoading(false);
+            });
+    };
+
+    const handleAddFeed = (e: React.FormEvent) => {
+        e.preventDefault();
+        if (!newFeedUrl) return;
+
+        setLoading(true);
+        fetch('/api/feed/', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ url: newFeedUrl }),
+        })
+            .then((res) => {
+                if (!res.ok) throw new Error('Failed to add feed');
+                return res.json();
+            })
+            .then(() => {
+                setNewFeedUrl('');
+                fetchFeeds(); // Refresh list (or we could append if server returns full feed object)
+            })
+            .catch((err) => {
+                setError(err.message);
+                setLoading(false);
+            });
+    };
+
+    const handleDeleteFeed = (id: number) => {
+        if (!globalThis.confirm('Are you sure you want to delete this feed?')) return;
+
+        setLoading(true);
+        fetch(`/api/feed/${id}`, {
+            method: 'DELETE',
+        })
+            .then((res) => {
+                if (!res.ok) throw new Error('Failed to delete feed');
+                setFeeds(feeds.filter((f) => f._id !== id));
+                setLoading(false);
+            })
+            .catch((err) => {
+                setError(err.message);
+                setLoading(false);
+            });
+    };
+
+    return (
+        <div className="settings-page">
+            <h2>Settings</h2>
+
+            <div className="add-feed-section">
+                <h3>Add New Feed</h3>
+                <form onSubmit={handleAddFeed} className="add-feed-form">
+                    <input
+                        type="url"
+                        value={newFeedUrl}
+                        onChange={(e) => setNewFeedUrl(e.target.value)}
+                        placeholder="https://example.com/feed.xml"
+                        required
+                        className="feed-input"
+                        disabled={loading}
+                    />
+                    <button type="submit" disabled={loading}>
+                        Add Feed
+                    </button>
+                </form>
+                {error && <p className="error-message">{error}</p>}
+            </div>
+
+            <div className="feed-list-section">
+                <h3>Manage Feeds</h3>
+                {loading && <p>Loading...</p>}
+                <ul className="settings-feed-list">
+                    {feeds.map((feed) => (
+                        <li key={feed._id} className="settings-feed-item">
+                            <div className="feed-info">
+                                <span className="feed-title">{feed.title || '(No Title)'}</span>
+                                <span className="feed-url">{feed.url}</span>
+                            </div>
+                            <button
+                                onClick={() => handleDeleteFeed(feed._id)}
+                                className="delete-btn"
+                                disabled={loading}
+                                title="Delete Feed"
+                            >
+                                Delete
+                            </button>
+                        </li>
+                    ))}
+                </ul>
+            </div>
+        </div>
+    );
+}
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