from flask_wtf import FlaskForm
from flask_wtf.file import FileField, FileAllowed, FileRequired
from wtforms import StringField, SubmitField, DateTimeField, BooleanField, HiddenField, FloatField, SelectField
from wtforms.validators import InputRequired, DataRequired, ValidationError, Length, NumberRange
from pytz import timezone
from app.models import Objective
from app import Config

class CreateGameForm(FlaskForm):
    game_name = StringField('Game Name', validators=[InputRequired(), Length(min=0, max=64)])
    start_time_disabled = BooleanField('No start time')
    start_time = DateTimeField(id='datetimepicker_start', format="%d-%m-%Y %H:%M")
    end_time_disabled = BooleanField('No end time')
    end_time = DateTimeField(id='datetimepicker_end', format="%d-%m-%Y %H:%M")
    timezone = HiddenField(validators=[DataRequired()])
    submit = SubmitField('Create')

    def validate_start_time(self, start_time):
        self.date_time_validator(self.start_time_disabled, start_time)

    def validate_end_time(self, end_time):
        self.date_time_validator(self.end_time_disabled, end_time)

    def date_time_validator(self, disabled, date_time):
        if disabled.data:
            date_time.data = None
            return
        clientzone = timezone(self.timezone.data)
        date_time_utc = clientzone.localize(date_time.data).astimezone(timezone('UTC'))
        date_time.data = date_time_utc

class ObjectiveForm(FlaskForm):
    objective_name = StringField('Objective Name', validators=[Length(min=0, max=64)])
    latitude = FloatField('Latitude', validators=[DataRequired(), NumberRange(min=-90, max=90)])
    longitude = FloatField('Longitude', validators=[DataRequired(), NumberRange(min=-180, max=180)])
    submit = SubmitField('Save')
    old_name = ''

    def validate_objective_name(self, objective_name):
        if objective_name.data == '':
            return
        if objective_name.data == self.old_name:
            return
        objective = Objective.query.filter_by(name=objective_name.data).first()
        if objective is not None:
            raise ValidationError('Please use a different name.')

class PlayerUpdateForm(FlaskForm):
    role = SelectField('Player Role', coerce=int, validators=[InputRequired()])
    submit = SubmitField('Update')

class PlayerAddForm(FlaskForm):
    name = StringField('Username', validators=[InputRequired(), Length(min=0, max=64)])
    role = SelectField('Player Role', coerce=int, validators=[InputRequired()])
    submit_add = SubmitField('Create')

class UserCreateForm(FlaskForm):
    name = StringField('Username', validators=[InputRequired(), Length(min=0, max=64)])
    role = SelectField('Player Role', coerce=int, validators=[InputRequired()])
    submit_create = SubmitField('Create')

class CatchBunnyForm(FlaskForm):
    bunny = SelectField('Bunny Name', coerce=int, validators=[InputRequired()])
    photo = FileField('Upload Photo', validators=[FileRequired(), FileAllowed(Config.ALLOWED_PHOTO_EXTENSIONS, 'Images only!')])
    submit = SubmitField('Send')