import { NextRequest, NextResponse } from 'next/server';
import fs from 'fs';
import path from 'path';
import { FILE_DIRECTORY } from '../../../config';
import { getDatabase } from '../../../lib/database';
import { Stream, Screen } from '@/types';

export async function POST(request: NextRequest) {
  const body: Screen = await request.json();
  const { screen, id } = body;

  const validScreens = ['large', 'left', 'right', 'topLeft', 'topRight', 'bottomLeft', 'bottomRight'];
  if (!validScreens.includes(screen)) {
    return NextResponse.json({ error: 'Invalid screen name' }, { status: 400 });
  }

  console.log('Writing files to', path.join(FILE_DIRECTORY(), `${screen}.txt`));
  const filePath = path.join(FILE_DIRECTORY(), `${screen}.txt`);

  try {
    const db = await getDatabase();
    const stream: Stream | undefined = await db.get<Stream>(
      'SELECT * FROM streams_2025_spring_adr WHERE id = ?',
      [id]
    );

    console.log('Stream:', stream);

    if (!stream) {
      return NextResponse.json({ error: 'Stream not found' }, { status: 400 });
    }

    fs.writeFileSync(filePath, stream.obs_source_name);
    return NextResponse.json({ message: `${screen} updated successfully.` }, { status: 200 });
} catch (error) {
console.error('Error updating active source:', error);
const errorMessage = error instanceof Error ? error.message : 'An unknown error occurred';
return NextResponse.json(
    { error: 'Failed to update active source', details: errorMessage },
    { status: 500 }
);
  }
}