migrate.js

const { db } = require("./lib/firebase");

async function migrate() {
  console.log("Starting migration...");

  try {
    const statsSnap = await db.ref("stats").once("value");
    const allStats = statsSnap.val();

    if (!allStats) {
      console.log("No stats found to migrate.");
      process.exit(0);
    }

    const appIds = Object.keys(allStats);
    console.log(`Found ${appIds.length} apps to migrate.`);

    for (const appId of appIds) {
      console.log(`\nMigrating app: ${appId}`);
      const data = allStats[appId];
      const newStats = {
        totalPings: data.totalPings || 0,
        uniquePings: data.uniqueIds || 0,
        lastPing: data.lastPing || 0
      };

      if (Array.isArray(data.registeredIds) && data.registeredIds.length > 0) {
        console.log(`   - Converting ${data.registeredIds.length} unique IDs...`);
        const ids = data.registeredIds;
        const chunkSize = 500;

        for (let i = 0; i < ids.length; i += chunkSize) {
          const chunk = ids.slice(i, i + chunkSize);
          const uniqueUpdates = {};
          for (const id of chunk) {
            uniqueUpdates[id] = true;
          }
          await db.ref(`unique_ips/${appId}`).update(uniqueUpdates);
          console.log(`   - Progress: ${Math.min(i + chunkSize, ids.length)}/${ids.length}`);
        }
      }
      await db.ref(`stats/${appId}`).set(newStats);

      console.log(`Migration for ${appId} complete.`);
    }

    console.log("\nAll migrations finished successfully!");
    process.exit(0);
  } catch (error) {
    console.error("\nMigration failed:", error);
    process.exit(1);
  }
}

migrate();