import dotenv from "dotenv";
import PocketBase from "pocketbase";
import fs from "fs";

dotenv.config();

// -----------------------------
// CONFIG
// -----------------------------
const CONFIG = JSON.parse(fs.readFileSync("config.json", "utf8"));
const pbUrl = CONFIG.pbUrl;
const pbCollection = CONFIG.pbCollection;
const superEmail = process.env.Super_Email;
const superPassword = process.env.Super_Password;

// -----------------------------
// ADMIN LOGIN
// -----------------------------
async function getPocketBaseClient() {
  const pb = new PocketBase(pbUrl);
  await pb.admins.authWithPassword(superEmail, superPassword);
  console.log("✅ Admin token acquired");
  return pb;
}

// -----------------------------
// FETCH SCHEMA & SAVE TO FILE
// -----------------------------
async function getAndSaveSchema(pb) {
  const collection = await pb.collections.getOne(pbCollection);

  // Debug: log the full collection object
  console.log("📦 Collection object:", JSON.stringify(collection, null, 2));

  // Log raw schema directly
  console.log("📑 Raw schema:", collection.schema);

  if (collection.schema && Array.isArray(collection.schema)) {
    if (collection.schema.length === 0) {
      console.warn("⚠️ Schema array is empty for collection:", pbCollection);
      return {};
    }

    // Build schema map (fieldName → type)
    const schemaMap = {};
    for (const field of collection.schema) {
      schemaMap[field.name] = field.type;
    }

    // Save full schema JSON for later use
    fs.writeFileSync("schema.json", JSON.stringify(collection.schema, null, 2), "utf8");

    console.log("✅ Schema saved to schema.json");
    console.log("Schema map:", schemaMap);

    return schemaMap;
  } else {
    console.error("❌ Schema property missing or not an array. Collection object:", collection);
    return {};
  }
}

// -----------------------------
// MAIN
// -----------------------------
(async () => {
  try {
    const pb = await getPocketBaseClient();
    await getAndSaveSchema(pb);
  } catch (err) {
    console.error("❌ Error fetching schema:", err);
  }
})();