from typing import Any
from flask_wtf import FlaskForm
from wtforms import (
    StringField,
    SubmitField,
    IntegerField,
    HiddenField,
    FloatField,
    URLField,
)

from wtforms.validators import DataRequired


class NewWishlist(FlaskForm):
    title = StringField("Title:", validators=[DataRequired()])
    description = StringField("Description:", validators=[DataRequired()])
    submit = SubmitField("Submit")


# Each submit needs a different page fot it to work on the same page.
class DeleteWishlist(FlaskForm):
    wl_del_submit = SubmitField("Delete wishlist")


class EditWishlistInfo(FlaskForm):
    title = StringField("Title", validators=[DataRequired()])
    description = StringField("Description", validators=[DataRequired()])
    wl_edit_submit = SubmitField("Submit")


class ResetWishlistUrls(FlaskForm):
    wl_reset_submit = SubmitField("Reset urls")


class NewItem(FlaskForm):
    title = StringField("Title", validators=[DataRequired()])
    description = StringField("Description", validators=[DataRequired()])
    price = FloatField("Price", validators=[DataRequired()])
    url = URLField("Url", validators=[DataRequired()])
    image = URLField("Image url", validators=[DataRequired()])
    it_new_submit = SubmitField("Submit")


class CheckItem(FlaskForm):
    num = HiddenField()


class DeleteItem(FlaskForm):
    index = HiddenField()
    it_del_submit = SubmitField("Delete item")


def parseHiddenIndex(field: HiddenField, array: list[Any]) -> int | None:
    try:
        if field.data == None or field.data == "":
            raise ValueError()

        index = int(field.data)
        if index > len(array):
            raise ValueError()

        return index - 1
    except ValueError:
        return None