import { PrismaClient } from '@prisma/client';
import * as fs from 'fs';
import * as path from 'path';

const prisma = new PrismaClient();

async function main() {
  const stationsPath = path.join(__dirname, 'stations.json');

  if (!fs.existsSync(stationsPath)) {
    console.warn(`Stations file not found at ${stationsPath}. Skipping seed.`);
    return;
  }

  const raw = fs.readFileSync(stationsPath, 'utf-8');
  const data = JSON.parse(raw);

  const groups: Record<number, string> = {};
  for (const group of data.groups || []) {
    groups[group.id] = group.name || 'Unknown';
  }

  const stations = data.stations || [];
  console.log(`Seeding ${stations.length} stations...`);

  let count = 0;
  for (const s of stations) {
    const groupName = groups[s.groupId] || 'Unknown';
    await prisma.station.upsert({
      where: { stationId: s.id },
      update: {
        name: s.name,
        streamUrl: s.stream,
        genre: groupName,
        tags: [groupName],
        sortOrder: count,
        source: 'local',
      },
      create: {
        stationId: s.id,
        name: s.name,
        prefix: '',
        streamUrl: s.stream,
        coverUrl: null,
        genre: groupName,
        tags: [groupName],
        sortOrder: count,
        source: 'local',
      },
    });
    count++;
  }

  console.log(`Seeded ${count} stations.`);
}

main()
  .catch((e) => {
    console.error(e);
    process.exit(1);
  })
  .finally(async () => {
    await prisma.$disconnect();
  });