const amqp = require('amqplib/callback_api');
const debug = require('debug')('agm:satloc');
const fs = require('fs');
const path = require('path');
const satlocUtil = require('./satloc-util');
const satlocApi = require('./satloc-api');
const MongoClient = require('mongodb').MongoClient
const env = process.env;
const errLogPath = path.join(__dirname, 'error.log');
let queueChannel;

async function main() {
  try {
    const job1 = 'Job - Simple.job';
    const job2 = 'Job - Complex.job';
    const job3 = '500.job';
    const jobPath = path.join(__dirname, 'job_files', job3);
    // const area = satlocUtil.convertJobFileToArea(jobPath);
    // await updateJobAreas(20, area.sprayAreas, area.excludedAreas);
    // satlocUtil.writeFile(path.join(__dirname, 'output_data', job3), satlocUtil.convertToJobFile(job3.split('.')[0], area.sprayAreas, area.excludedAreas));
    await testSatlocApi(env.SATLOC_USERNME, env.SATLOC_PASSWORD);
    process.exit();
  } catch (error) {
    debug(error);
    satlocUtil.writeFile(errLogPath, error);
  }
}

async function updateJobAreas(jobId, sprayAreas, excludedAreas) {
  const db = await connectDb();
  const filter = { _id: jobId };
  const update = {
    $set: {
      sprayAreas,
      excludedAreas
    }
  };
  const collection = db.collection('jobs');
  const result = await collection.updateOne(filter, update);
  debug(`${result.matchedCount} document(s) matched the filter, updated ${result.modifiedCount} document(s)`);
}

async function connectDb() {
  const ops = {
    db: env.DB_NAME, user: env.DB_USR, pass: env.DB_PWD,
    hosts: env.DB_HOSTS, replicaSet: env.DB_REPLSET
  };
  let _uri = ops.url;
  if (!_uri) {
    _uri = `mongodb://${ops.user}:${ops.pass}@${ops.hosts}/${ops.db}?authSource=${ops.authSource || ops.db}`;
    ops.replicaSet && (_uri += '&replicaSet=' + ops.replicaSet);
  }

  const conn = await MongoClient.connect(_uri, { family: 4, keepAlive: true });
  return conn.db();
}

async function testSatlocApi(username, password) {
  const isAlive = await satlocApi.checkApiAlive();
  if (isAlive) {
    const authResponse = await satlocApi.auth(username.replace('@', '%40'), password.replace('{', '%7B'));
    const aircraftList = await satlocApi.getAircraftList(authResponse.userId, authResponse.companyId);
    const aircraftLogs = await satlocApi.getAircraftLogs(authResponse.userId, aircraftList[0].id);
    const aircraftLogData = await satlocApi.getAircraftLogData(authResponse.userId, aircraftLogs[0].id);
    await satlocUtil.writeSatlocLogData(aircraftLogData.id, aircraftLogData.logFile);

    // Test upload job data functionality
    // await testUploadJobData(authResponse.userId, authResponse.companyId, aircraftList[0].id);

    // const msg = JSON.stringify({ jobId: aircraftLogData.id, data: aircraftLogData.logFile });
    debug(`Successfully retrieved aircraft log data: ${aircraftLogData.id}`);
  }
}

async function testUploadJobData(userId, companyId, aircraftId) {
  try {
    const jobFilePath = path.join(__dirname, 'job_files', '500.job');
    const fileName = '500.job';
    const notes = 'Test job upload from Node.js';

    // Read the job file content
    const jobFileContent = fs.readFileSync(jobFilePath, 'utf8');

    // Create job data model
    const jobDataModel = satlocApi.createJobDataModel(
      aircraftId,
      fileName,
      jobFileContent,
      notes
    );

    // Create job package
    const jobPackage = satlocApi.createJobPackage(
      companyId,
      userId,
      [jobDataModel]
    );

    // Upload the job data
    const uploadResult = await satlocApi.uploadJobData(jobPackage);
    debug(`Successfully uploaded job data: ${fileName}`, uploadResult);

    return uploadResult;
  } catch (error) {
    debug(`Error uploading job data:`, error);
    satlocUtil.writeFile(errLogPath, error);
    throw error;
  }
}

function startRabbitMQ() {
  const conOps = {
    protocol: 'amqp',
    hostname: env.QUEUE_HOST || 'localhost',
    port: env.QUEUE_PORT || 5672,
    username: env.QUEUE_USR || 'agmuser',
    password: env.QUEUE_PWD,
    vhost: env.QUEUE_VHOST || '/',
    heartbeat: env.QUEUE_HEARTBEAT || 0,
    frameMax: 0,
  };

  amqp.connect(conOps, function (err, conn) {
    if (err) {
      debug(err);
      satlocUtil.writeFile(errLogPath, err);
      return process.exit();
    }

    conn.on("error", function (err) {
      debug(err);
      satlocUtil.writeFile(errLogPath, err);
      return process.exit();
    });

    conn.on("close", function () {
      debug("Connection closed");
      return process.exit();
    });

    debug("Connected to RabbitMQ");
    createQueue(conn);
  });
}

function createQueue(conn) {
  conn.createChannel(function (err, ch) {
    if (err) {
      debug("[AMQP] Channel error", err.message);
      satlocUtil.writeFile(errLogPath, err);
      return process.exit();
    }

    const queue = env.QUEUE_NAME_JOBS || 'satloc_logs';
    queueChannel = ch;

    ch.checkQueue(queue, function (err, ok) {
      if (err) {
        ch.assertQueue(queue, { durable: true }, function (err) {
          if (err) {
            debug("[AMQP] Queue assertion error", err.message);
            satlocUtil.writeFile(errLogPath, err);
            return process.exit();
          }
          debug(`[AMQP] Queue '${queue}' created`);
        });
      } else {
        debug(`[AMQP] Queue '${queue}' exists`);
      }
    });
  });
}

function sendMessage(ch, queue, msg) {
  ch.sendToQueue(queue, Buffer.from(msg), { persistent: true });
  debug(" [x] Sent '%s'", msg);
}

(async () => {
  await main();
})();