views.py

from flask import Blueprint, render_template, request, flash, redirect, url_for
from .models import Note, User
from flask_login import login_required, current_user
from . import db
import json


views = Blueprint('views', __name__)


@views.route('/', methods=['GET', 'POST'])
@login_required
def home():
    if request.method == 'POST': 
        note = request.form.get('note')#Gets the note from the HTML 

        if len(note) < 1:
            flash('Note is too short!', category='error') 
        else:
            new_note = Note(data=note, user_id=current_user.id)  #providing the schema for the note 
            db.session.add(new_note) #adding the note to the database 
            db.session.commit()
            flash('Note added!', category='success')
            return redirect(url_for('views.home'))

    # Search behavior: show all notes when q is empty, otherwise show filtered results
    q = request.args.get('q', '').strip()
    if q:
        notes = Note.query.filter(
            Note.user_id == current_user.id,
            Note.data.ilike(f'%{q}%')
        ).order_by(Note.id.desc()).all()
    else:
        notes = Note.query.filter_by(user_id=current_user.id).order_by(Note.id.desc()).all()

    return render_template("home.html", user=current_user, notes=notes, query=q)


@views.route('/delete-note', methods=['POST'])
def delete_note():  
    note = json.loads(request.data) # this function expects a JSON from the INDEX.js file 
    noteId = note['noteId']
    note = Note.query.get(noteId)
    if note:
        if note.user_id == current_user.id:
            db.session.delete(note)
            db.session.commit()

    return jsonify({})

@views.route('/search')
@login_required
def search():
    q = request.args.get('q', '').strip()
    if not q:
        flash('Please enter a keyword to search.', category='info')
        return redirect(url_for('views.home'))

    # case-insensitive partial match for the current user's notes
    results = Note.query.filter(
        Note.user_id == current_user.id,
        Note.data.ilike(f'%{q}%')
    ).order_by(Note.id.desc()).all()

    return render_template("home.html", user=current_user, notes=results, query=q)

@views.route('/clear-search')
@login_required
def clear_search():
    # Redirect to home with no query parameter, showing all notes
    return redirect(url_for('views.home'))