from wtforms import SubmitField, StringField, HiddenField, validators, TextAreaField, IntegerField
from flask_wtf import FlaskForm
from flask import request, render_template
from wtforms.fields.html5 import DateField
from __main__ import db, app, ma

################################################################################
# Class describing Series in the database, and via sqlalchemy, connected to the DB as well
################################################################################
class Series(db.Model):
    id = db.Column(db.Integer, unique=True, nullable=False, primary_key=True)
    title = db.Column(db.String(100), unique=False, nullable=False)
    num_books = db.Column(db.Integer, nullable=False)
    calcd_rating = db.Column(db.String(10), unique=False, nullable=False)
    note = db.Column(db.Text)

    def __repr__(self):
        return "<id: {}, title: {}, num_books: {}, calcd_rating: {}, note: {}>".format(self.id, self.title, self.num_books, self.calcd_rating, self.note)

################################################################################
# Helper class that inherits a .dump() method to turn class Series into json / useful in jinja2
################################################################################
class SeriesSchema(ma.SQLAlchemyAutoSchema):
    class Meta:
        model = Series
        ordered = True

################################################################################
# Helper class that defines a form for series, used to make html <form>, with field validation (via wtforms)
################################################################################
class SeriesForm(FlaskForm):
    id = HiddenField()
    title = StringField('Title:', [validators.DataRequired()])
    num_books = IntegerField('Number of Books:', [validators.NumberRange(min=1)])
    calcd_rating = StringField('Avg Rating:' )
    note = TextAreaField('Notes:')
    submit = SubmitField('Save' )
    delete = SubmitField('Delete' )

################################################################################
# Routes for series data
#
# /seriess -> GET only -> prints out list of all seriess
################################################################################
@app.route("/seriess", methods=["GET"])
def seriess():
    seriess = Series.query.all()
    return render_template("seriess.html", seriess=seriess)

################################################################################
# /series/<id> -> GET/POST(save or delete) -> shows/edits/delets a single
# series
################################################################################
@app.route("/series/<id>", methods=["GET", "POST"])
def series(id):
    ### DDP: should this be request.form or request.values?
    alert="Success"
    series_form = SeriesForm(request.form)
    if request.method == 'POST' and series_form.validate_on_submit():
        id = request.form['id']
        series = Series.query.get(id)
        try:
            request.form['submit']
        except:
            message="Sorry, Deleting unsupported at present"
            alert="Danger"
        else:
            series.title = request.form['title']
            series.num_books = request.form['num_books']
#            series.calcd_rating = 
            series.note = request.form['note']
            db.session.commit()
            message="Successfully Updated Series (id={})".format(id)
    else:
        series = Series.query.get(id)
        series_form = SeriesForm(request.values, obj=series)
        message=""
    return render_template("series.html", series=series, alert=alert, message=message, series_form=series_form)