import fs from "fs";
import chokidar from "chokidar";
import moment from "moment";
import LogDetectFile from "App/Models/LogDetectFile";
import LogReport from "App/Models/LogReport";

// export default class loggerAPI {
export function runtimeCheckLogs(folderPath) {
    console.log(folderPath)
  try {
    let fileList = [];
    let fileList_old = [];
    // Function to update the list of files
    async function updateFileList() {
      let dateNow = moment(Date.now()).format("YYYY/MM/DD");
      fileList = fs.readdirSync(folderPath);
      // console.log("File list updated:", fileList);

      fileList.map((file) => {
        const filePath = `${folderPath}/${file}`;
        const stats = fs.statSync(filePath);

        //scan file today
        if (dateNow !== moment(stats.mtime).format("YYYY/MM/DD")) {
          fileList = fileList.filter((i) => i !== file);
        }
      });
    }

    // Watch the folder for new files
    const folderWatcher = chokidar.watch(folderPath);
    // folderWatcher.setMaxListeners(20);

    folderWatcher.on("add", async (filePath) => {
      console.log(`New file added: ${filePath}`);
      //import log new file
      await LogDetectFile.firstOrCreate({file_name:filePath.split("\\")[filePath.split("\\").length -1]},{file_name:filePath.split("\\")[filePath.split("\\").length -1]})
      // updateFile;
      fileList_old = fileList;
      updateFileList();
      watchFilesInList();
    });

    // Watch for changes in the files listed
    function watchFilesInList() {
      // console.log("--------->", fileList);
      //get date now

      //check new file
      fileList
        ?.filter((i) => fileList_old.includes(i) === false)
        ?.forEach((fileName) => {
          //path file
          const filePath = `${folderPath}/${fileName}`;
          //get date modified
          // const stats = fs.statSync(filePath);
          // //scan file today
          // if (dateNow === moment(stats.mtime).format("2023/08/20")) {
          const scan = fs.watchFile(
            filePath,
            { interval: 10000 },
            async (eventType) => {
              //check special item, extra RAM, error in log

              //true: import log to log_report table, send report to Zulip
              const log = await LogDetectFile.findBy('file_name', fileName)
              await LogReport.create({
                detected_content: 'virk',
                line: 123,
                id_file: log?.id_ldf
              })
              //false: next
              console.log(`${fileName} has changed (${eventType})`);
            }
          );
          //setMaxListeners
          scan.setMaxListeners(0);
          // }
        });
    }
  } catch (error) {
    console.log(error);
  }
}