import fs from "fs";
import readline from "readline";
import { QdrantClient } from "@qdrant/js-client-rest";
import path from "path";

if (!process.env.QDRANT_URL || !process.env.QDRANT_COLLECTION) {
  throw new Error("Please set QDRANT_URL and QDRANT_COLLECTION env variables");
}

/**
 * RUN EXAMPLE:
 * ╰─❯ QDRANT_URL=http://localhost:6333/ QDRANT_COLLECTION=swiss-civil-code node insert-into-qdrant.js
 */

export async function RUN() {
  const client = new QdrantClient({ url: process.env.QDRANT_URL });

  let index = 0;

  const file = path.join(
    process.cwd(),
    "data",
    "swiss-code-of-obligations-en-paraphrase-multilingual-mpnet-base-v2.jsonl"
  );
  readLines(file, async (line) => {
    index++;
    const title = line.headings.slice(-1)[0];
    const { vector, ...payload } = line;

    console.log(index, title);

    await client.upsert(process.env.QDRANT_COLLECTION, {
      wait: true,
      points: [{ id: index, vector, payload: { title, ...payload } }],
    });
  });
}

// Run the script
await RUN();

// async function for reading a file line by line and invoking a callback async sequentially
export async function readLines(filePath, func) {
  const fileStream = fs.createReadStream(filePath);

  const rl = readline.createInterface({
    input: fileStream,
    crlfDelay: Infinity,
  });

  for await (const line of rl) {
    await func(JSON.parse(line));
  }
}