from flask_wtf import FlaskForm
from flask_wtf.file import FileField, FileAllowed, FileRequired, FileSize
from wtforms import validators
from wtforms.validators import (
    Length,
    NumberRange,
    DataRequired,
    ValidationError,
)
from wtforms import (
    SubmitField,
    StringField,
    IntegerField,
    SelectField,
)


class UploadForm(FlaskForm):
    """File upload class for a new site in distribusi-verse"""

    def _distribusiname(form, field):
        if field.data.lower() == "new":
            raise ValidationError("Name has to be unique and not just new.")

    sitename = StringField(
        "Name of your archive section:",
        validators=[validators.InputRequired(), Length(2, 100), _distribusiname],
    )
    academicyear = SelectField(
        "Year",
        validate_choice=True,
        coerce=str,
        choices=[
            (u'2017', u'2017'),
            (u'2018', u'2018'),
            (u'2019', u'2019'),
            (u'2020', u'2020'),
            (u'2021', u'2021'),
            (u'2022', u'2022'),
            (u'2023', u'2023'),
            (u'2024', u'2024'),
            (u'2025', u'2025'),
        ],
        option_widget=None,
        validators=[DataRequired()]
    )
    term = SelectField(
        "Category:",
        validate_choice=True,
        coerce=str,
        choices=[
            (u'event', u'event'),
            (u'gathering', u'gathering'),
            (u'work session', u'work session'),
            (u'workgroup', u'workgroup'),
            (u'performance', u'performance'),
            (u'music event', u'music event'),
        ],
        option_widget=None,
        validators=[DataRequired()]
    )
    tags = StringField(
        "Add tags, seperated by commas. No need for the '#' sign:",
        validators=[validators.InputRequired(), Length(2, 500)],
    )

    course = SelectField(
        u'Course:',
        validate_choice=True,
        coerce=str,
        choices=[
            ('hacking', u'Autonomous - Hacking'),
            ('digitalcraft', u'Autonomous - Digital Craft'),
            ('criticalstudies', u'Autonomous - Critical Studies'),
            ('publicprivate', u'Autonomous - Public&Private'),
        ],
        option_widget=None,
        validators=[DataRequired()]
    )

    zipfile = FileField(
        "Upload your zip file with content here:",
        validators=[
            FileAllowed(["zip"], "Zip archives only!"),
            FileRequired(),
            FileSize(
                max_size=104857600,
                message="Zipfile size must be smaller than 100MB",
            ),
        ],
    )

    submit = SubmitField("Upload")