"""Form object declaration."""
from flask_wtf import FlaskForm
from flask_wtf.file import FileAllowed, FileField
from wtforms import (IntegerField, RadioField, StringField, SubmitField,
                     validators)
from wtforms.validators import Length, NumberRange


class PublicationForm(FlaskForm):
    """Publication upload form."""

    uploadpublication = StringField(
        "Title of the publication:",
        [
            validators.InputRequired(),
            Length(
                min=3, message="A publication in the library needs a title."
            ),
        ],
    )
    author = StringField(
        "The author or editor:",
        [
            validators.InputRequired(),
            Length(
                min=3,
                message=(
                    "If the author or editor is not known just type unkown."
                ),
            ),
        ],
    )
    year = IntegerField(
        "Year:", [validators.InputRequired(), NumberRange(min=0, max=2050)]
    )
    fields = StringField("Fields:")
    type = StringField(
        "Type of publication:",
        [
            validators.InputRequired(),
            Length(
                min=3,
                message=(
                    "Here you can use terms such as zine, paperback,"
                    " hardcover."
                ),
            ),
        ],
    )
    publishers = StringField("Publishers:")
    license = StringField("License:")
    highlights = StringField("Highlights from the publication:")
    comments = StringField("Comments on the publication:")
    image = FileField(
        "Image of the book:",
        validators=[FileAllowed(["jpg", "png", "gif"], "Images only!")],
    )
    secret = StringField(
        "Librarians secret:",
        [
            validators.InputRequired(),
            Length(min=2, message="Fill in the secret to unlock to library."),
        ],
    )
    submit = SubmitField("Submit")