import { Hono } from 'hono';
import { getDb } from '../db/index';
import { testConnection } from '../services/ssh';
import type { Node } from '../types';

const app = new Hono();

app.get('/', (c) => {
	const db = getDb();
	const nodes = db.prepare('SELECT * FROM nodes ORDER BY name').all() as Node[];
	return c.json({ nodes });
});

app.post('/', async (c) => {
	const db = getDb();
	const contentType = c.req.header('Content-Type') ?? '';
	let name: string, host: string, port: number, username: string, ffmpegPath: string, workDir: string, privateKey: string;

	// Support both multipart (file upload) and JSON
	if (contentType.includes('multipart/form-data')) {
		const body = await c.req.formData();
		name = body.get('name') as string;
		host = body.get('host') as string;
		port = Number(body.get('port') ?? '22');
		username = body.get('username') as string;
		ffmpegPath = (body.get('ffmpeg_path') as string) || 'ffmpeg';
		workDir = (body.get('work_dir') as string) || '/tmp';
		const keyFile = body.get('private_key') as File | null;
		if (!name || !host || !username || !keyFile) return c.json({ ok: false, error: 'All fields are required' }, 400);
		privateKey = await keyFile.text();
	} else {
		const body = await c.req.json<{ name: string; host: string; port?: number; username: string; ffmpeg_path?: string; work_dir?: string; private_key: string }>();
		name = body.name; host = body.host; port = body.port ?? 22; username = body.username;
		ffmpegPath = body.ffmpeg_path || 'ffmpeg'; workDir = body.work_dir || '/tmp'; privateKey = body.private_key;
		if (!name || !host || !username || !privateKey) return c.json({ ok: false, error: 'All fields are required' }, 400);
	}

	try {
		db.prepare('INSERT INTO nodes (name, host, port, username, private_key, ffmpeg_path, work_dir) VALUES (?, ?, ?, ?, ?, ?, ?)')
			.run(name, host, port, username, privateKey, ffmpegPath, workDir);
	} catch (e) {
		if (String(e).includes('UNIQUE')) return c.json({ ok: false, error: `A node named "${name}" already exists` }, 409);
		throw e;
	}

	const nodes = db.prepare('SELECT * FROM nodes ORDER BY name').all() as Node[];
	return c.json({ ok: true, nodes });
});

app.delete('/:id', (c) => {
	const db = getDb();
	db.prepare('DELETE FROM nodes WHERE id = ?').run(Number(c.req.param('id')));
	return c.json({ ok: true });
});

// Legacy POST delete for HTML-form compat (may be removed later)
app.post('/:id/delete', (c) => {
	const db = getDb();
	db.prepare('DELETE FROM nodes WHERE id = ?').run(Number(c.req.param('id')));
	return c.json({ ok: true });
});

app.post('/:id/test', async (c) => {
	const db = getDb();
	const id = Number(c.req.param('id'));
	const node = db.prepare('SELECT * FROM nodes WHERE id = ?').get(id) as Node | undefined;
	if (!node) return c.notFound();
	const result = await testConnection(node);
	const status = result.ok ? 'ok' : `error: ${result.error}`;
	db.prepare("UPDATE nodes SET status = ?, last_checked_at = datetime('now') WHERE id = ?").run(status, id);
	return c.json({ ok: result.ok, status, error: result.error });
});

export default app;