note.js

const fs = require("fs");
const chalk = require("chalk");

// add note function
const addNote = function (title, body) {
  const notes = loadNotes();
  // const duplicateNotes = notes.filter(function (note) {
  //   return note.title === title;
  // });
  // 2nd one is efficient way  we can use arrow function also to reduce the code
  const duplicateNotes = notes.find(function (note) {
    return note.title === title;
    // console.log(duplicateNotes);
  });

  // if (duplicateNotes.length === 0)
  if (!duplicateNotes) {
    notes.push({
      title: title,
      body: body,
    });
    //   console.log(notes);
    saveNotes(notes);
    console.log("Notes added");
  } else {
    console.log("title taken");
  }
};

const saveNotes = function (notes) {
  const dataJson = JSON.stringify(notes);
  fs.writeFileSync("note.json", dataJson);
};

const loadNotes = function () {
  try {
    const data = fs.readFileSync("note.json");
    const dataJSON = data.toString();

    return JSON.parse(dataJSON);
  } catch (e) {
    return [];
  }
};

// remove note functionality
const removeNote = function (title) {
  // console.log(title);
  const notes = loadNotes();
  const notesTokeep = notes.filter(function (note) {
    return note.title !== title;
  });

  if (notes.length > notesTokeep.length) {
    console.log(chalk.green.inverse("Note removed"));
  } else {
    console.log(chalk.red.inverse("NO note found"));
  }

  saveNotes(notesTokeep);
};

//list notes

const listNotes = () => {
  const notes = loadNotes();

  const allNote = notes.forEach((note) => {
    console.log(note.title);
  });

  if (!allNote) {
    console.log(chalk.red.inverse("Note note to show"));
  } else {
    console.log(allNote);
    console.log(chalk.inverse("Your Notes are"));
  }
};

// read note

const readNote = (title) => {
  const notes = loadNotes();

  const note = notes.find((note) => {
    return note.title === title;
  });

  if (note) {
    console.log(chalk.inverse(note.title));
    console.log(note.body);
  } else {
    console.log(chalk.red.inverse("Notes not found"));
  }
};

module.exports = {
  addNote: addNote,

  removeNote: removeNote,
  listNotes: listNotes,
  readNote: readNote,
};