import os
from flask import Flask, render_template, request, redirect, url_for
from flask_sqlalchemy import SQLAlchemy

basedir = os.path.abspath(os.path.dirname(__file__))

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] =\
           'sqlite:///' + os.path.join(basedir, 'database.db')
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False


db = SQLAlchemy(app)

class Period(db.Model):
    period = db.Column(db.Integer, primary_key=True)
    periodTime = db.Column(db.Integer)
    weekendSchedule = db.Column(db.Boolean)

    def __repr__(self):
        return f'<Period "{self.period}">'

class Task(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    title = db.Column(db.String(100))
    description = db.Column(db.Text)
    created_timestamp = db.Column(db.Integer)
    due_timestamp = db.Column(db.Integer)

    def __repr__(self):
        return f'<Task "{self.title}">'

class Event(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    scheduled_date = db.Column(db.String(100))
    period = db.relationship(Period, backref='events')
    tasks = db.relationship(Task, backref='events')
    period_num = db.Column(db.Integer, db.ForeignKey('period.period'))
    task_id = db.Column(db.Integer, db.ForeignKey('task.id'))

    def __repr__(self):
        return f'<Event "{self.id}">'


@app.route('/')
def index():
    events = Event.query.all()
    return render_template('index.html', events=events)

@app.route('/task/<int:task_id>/')
def task(task_id):
    task = Task.query.get_or_404(task_id)
    return render_template('task.html', task=task)