from flask import Flask, render_template, request, flash, redirect
import datetime
from sqlalchemy import create_engine, Column, Integer, String
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

app = Flask(__name__)
app.config['SECRET_KEY'] = 'fa6166b0218186fb852429060105aca18e0f979240be8ebf'

Base = declarative_base()


class Dates(Base):
    __tablename__ = 'Dates'
    id = Column(Integer, primary_key=True, autoincrement=True)
    dateTypeID = Column(Integer)
    dateValue = Column(String)


class DatesMetadata(Base):
    __tablename__ = 'DatesMetadata'
    id = Column(Integer, primary_key=True, autoincrement=True)
    dateTypeID = Column(Integer)
    DateTypeName = Column(String)


class Settings(Base):
    __tablename__ = 'Settings'
    id = Column(Integer, primary_key=True, autoincrement=True)
    settingType = Column(Integer)
    settingValue = Column(String)


class SettingsMetadata(Base):
    __tablename__ = 'SettingsMetadata'
    id = Column(Integer, primary_key=True, autoincrement=True)
    settingTypeID = Column(Integer)
    settingTypeName = Column(String)


engine = create_engine('sqlite:///static/db.db')
Dates.__table__.create(bind=engine, checkfirst=True)
Settings.__table__.create(bind=engine, checkfirst=True)
DatesMetadata.__table__.create(bind=engine, checkfirst=True)
SettingsMetadata.__table__.create(bind=engine, checkfirst=True)

Session = sessionmaker(bind=engine)


@app.route('/', methods=('GET', 'POST'))
@app.route('/index.html', methods=('GET', 'POST'))
def index():
    session = Session()

    installCheck = session.query(Dates).first() is None
    if installCheck is True:
        # session.close()
        return redirect('install.html')

    # Init the dates dict
    dates = {'plant': '', 'last': '', 'next': '', 'freq': ''}
    alerts = {'text': '', 'email': ''}
    # alerts = {'text': False, 'email': True}

    # Get the feeding frequency and set it to an int
    dates['freq'] = int(session.query(Dates).filter_by(dateTypeID=4).first().dateValue)

    alerts = {'text': False, 'email': True}

    # If clicked the update button for dates, grab the new values and save them to the db. Then render the template
    if request.method == 'POST':
        dates['plant'] = request.form['plantDate']
        dates['last'] = request.form['lastDate']
        dates['next'] = datetime.datetime.strptime(dates['last'],'%Y-%m-%d') + datetime.timedelta(days=dates['freq'])

        session.query(Dates).filter_by(dateTypeID=1).update({Dates.dateValue: dates['plant']})
        session.query(Dates).filter_by(dateTypeID=2).update({Dates.dateValue: dates['last']})
        session.query(Dates).filter_by(dateTypeID=3).update({Dates.dateValue: dates['next']})
        session.commit()
        return render_template("index.html", plant=dates, alerts=alerts)
    # If regular page load, grab all the dates from the db and render the template
    else:
        # result = session.query(Dates).filter_by(dateTypeID=1).first()
        dates['plant'] = session.query(Dates).filter_by(dateTypeID=1).first().dateValue
        dates['last'] = session.query(Dates).filter_by(dateTypeID=2).first().dateValue
        dates['next'] = session.query(Dates).filter_by(dateTypeID=3).first().dateValue
        # dates['freq'] = session.query(Dates).filter_by(dateTypeID=4).first().dateValue
        # print(datetime.datetime.strptime(dates['plant'], '%Y-%m-%d'))
        return render_template("index.html", plant=dates, alerts=alerts)


@app.route('/install.html')
def install():
    session = Session()

    populateDate = datetime.datetime.strftime(datetime.datetime.now(), '%Y-%m-%d')
    # Populate Dates Table
    session.add(Dates(dateTypeID=1, dateValue=populateDate))
    session.add(Dates(dateTypeID=2, dateValue=populateDate))
    session.add(Dates(dateTypeID=3, dateValue=populateDate))
    session.add(Dates(dateTypeID=4, dateValue='14'))

    #Populate DatesMetadata
    session.add(DatesMetadata(dateTypeID=1, DateTypeName='Plant Date'))
    session.add(DatesMetadata(dateTypeID=1, DateTypeName='Last Feeding Date'))
    session.add(DatesMetadata(dateTypeID=1, DateTypeName='Next Feeding Date'))
    session.add(DatesMetadata(dateTypeID=1, DateTypeName='Feeding Frequency'))

    # Populate Settings
    session.add(Settings(settingType=1, settingValue='False'))
    session.add(Settings(settingType=2, settingValue='False'))

    # Populate SettingsMetadata
    session.add(SettingsMetadata(settingTypeID=1, settingTypeName='Text'))
    session.add(SettingsMetadata(settingTypeID=2, settingTypeName='Email'))

    session.commit()
    return redirect('index.html')


if __name__ == '__main__':
    serve(app, host='0.0.0.0', port=8000)