from wtforms import SubmitField, StringField, HiddenField, SelectField, validators
from flask import request, render_template, redirect
from flask_wtf import FlaskForm
from __main__ import db, app, ma
from sqlalchemy import func, Sequence
from status import st, Status

################################################################################
# Class describing Owned in the database, and via sqlalchemy, connected to the DB as well
################################################################################
class Owned(db.Model):
    id = db.Column(db.Integer, db.Sequence('owned_id_seq'), primary_key=True )
    name = db.Column(db.String(50), unique=True, nullable=False)

    def __repr__(self):
        return "<id: {}, name: {}>".format(self.id,self.name)

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

################################################################################
# Helper class that defines a form for owned, used to make html <form>, with field validation (via wtforms)
################################################################################
class OwnedForm(FlaskForm):
    id = HiddenField()
    name = StringField('Name:', [validators.DataRequired()])
    submit = SubmitField('Save' )
    delete = SubmitField('Delete' )

################################################################################
# Routes for owned data
#
# /owneds -> GET only -> prints out list of all owneds
################################################################################
@app.route("/owneds", methods=["GET"])
def owneds():
    owneds = Owned.query.order_by('id').all()
    return render_template("show_id_name.html", objects=owneds, page_title='Show All Ownership types', url_base='owned', alert=st.GetAlert(), message=st.GetMessage() )

################################################################################
# /owned -> GET/POST -> creates a new owned type and when created, takes you back to /owneds
################################################################################
@app.route("/owned", methods=["GET", "POST"])
def new_owned():
    owned_form = OwnedForm(request.form)
    if 'name' not in request.form:
        owned=None
        return render_template("edit_id_name.html", owned=owned, form=owned_form, page_title='Create new Owned Type' )
    else:
        owned = Owned( name=request.form["name"] )
        db.session.add(owned)
        db.session.commit()
        st.SetMessage( "Created new Owned Type (id={})".format(owned.id) )
        owneds = Owned.query.order_by('id').all()
        return redirect( '/owneds' )

################################################################################
# /owned/<id> -> GET/POST(save or delete) -> shows/edits/delets a single
# owned
################################################################################
@app.route("/owned/<id>", methods=["GET", "POST"])
def owned(id):
    ### DDP: should this be request.form or request.values?
    owned_form = OwnedForm(request.form)
    if request.method == 'POST' and owned_form.validate():
        owned = Owned.query.get(id)
        if 'delete' in request.form:
            st.SetMessage("Successfully deleted (id={}, name={})".format( owned.id, owned.name ) )
            owned = Owned.query.filter(Owned.id==id).delete()
        if 'submit' in request.form:
            owned.name = request.form['name']
            st.SetMessage("Successfully Updated Owned (id={})".format(id) )
        db.session.commit()
        owneds = Owned.query.order_by('id').all()
        return redirect( '/owneds' )
    else:
        owned = Owned.query.get(id)
        owned_form = OwnedForm(request.values, obj=owned)
    return render_template("edit_id_name.html", owned=owned, form=owned_form, page_title='Edit Owned Type' )
def GetOwnedById(id):
    return Owned.query.get(id).name