from flask import session, current_app, request
from flask_wtf import FlaskForm
from wtforms import (StringField, BooleanField, SubmitField, DateField, IntegerField, FloatField, SelectMultipleField,
                     SelectField, FieldList, FormField, TextAreaField, URLField)
from wtforms.validators import DataRequired, Length, Optional, URL, ValidationError, NumberRange
from flask_wtf.file import FileField, FileAllowed, FileRequired
import json

from wtforms_sqlalchemy.fields import QuerySelectField, QuerySelectMultipleField

from common.models.document import Retriever

from config.catalog_types import CATALOG_TYPES
from config.specialist_types import SPECIALIST_TYPES
from .dynamic_form_base import DynamicFormBase


def get_retrievers():
    return Retriever.query.all()


class SpecialistForm(FlaskForm):
    name = StringField('Name', validators=[DataRequired(), Length(max=50)])
    description = TextAreaField('Description', validators=[DataRequired()])

    retrievers = QuerySelectMultipleField(
        'Retrievers',
        query_factory=get_retrievers,
        get_label='name',  # Assuming your Retriever model has a 'name' field
        allow_blank=True,
        description='Select one or more retrievers to associate with this specialist'
    )

    type = SelectField('Specialist Type', validators=[DataRequired()])

    tuning = BooleanField('Enable Retrieval Tuning', default=False)

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        # Dynamically populate the 'type' field using the constructor
        self.type.choices = [(key, value['name']) for key, value in SPECIALIST_TYPES.items()]


class EditSpecialistForm(DynamicFormBase):
    name = StringField('Name', validators=[DataRequired()])
    description = TextAreaField('Description', validators=[DataRequired()])

    retrievers = QuerySelectMultipleField(
        'Retrievers',
        query_factory=get_retrievers,
        get_label='name',
        allow_blank=True,
        description='Select one or more retrievers to associate with this specialist'
    )

    type = StringField('Specialist Type', validators=[DataRequired()], render_kw={'readonly': True})
    tuning = BooleanField('Enable Retrieval Tuning', default=False)