from flask_wtf import FlaskForm
from flask_wtf.file import FileField, FileAllowed
from wtforms import StringField, SubmitField, URLField, IntegerField, SelectField
from wtforms.validators import DataRequired, Length, Email, EqualTo, ValidationError
import minibase.blueprints.company.utils as companyUtils
import minibase.blueprints.geography.utils as geoUtils
import minibase.blueprints.main.utils as mainUtils
import minibase.theme as theme
from wtforms_alchemy import ModelForm
from minibase.blueprints.company.models import Companies
from minibase.blueprints.sensor.models import nbiotDevice
from minibase.blueprints.user.models import Users


class companyForm(FlaskForm):  # Defines the form class to be used for the user update
    name            = StringField('Name', validators=[DataRequired(), Length(min=3, max=100)])
    website         = URLField('Website', validators=[DataRequired(), Length(min=3, max=100)])
    country_id      = SelectField('Country', validators=[DataRequired()], render_kw={"hx-get": "/geography/get_cities", "hx-target": "#city_id"})
    city_id         = SelectField('City', validators=[DataRequired()], render_kw={"hx-get": "/geography/get_states", "hx-target": "#state_id"})
    state_id        = SelectField('State', validators=[])
    post_code       = IntegerField('Post', validators=[DataRequired()])
    street          = StringField('Street', validators=[DataRequired()])
    street_no       = IntegerField('No', validators=[DataRequired()])
    industry_id     = SelectField('Industry', validators=[DataRequired()])
    legal_entity_id = SelectField('Legal Entity', validators=[DataRequired()])
    type_id         = SelectField('Type', validators=[DataRequired()])
    relation_id     = SelectField('Relation', validators=[DataRequired()])
    status_id       = SelectField('Status', validators=[DataRequired()])
    comment         = StringField('Comment', validators=[DataRequired(), Length(min=3, max=400)])

    image_file      = FileField('Update company Picture', validators=[FileAllowed(['jpg', 'png'])])

    submit = SubmitField()

    def populate_for_updating(self, company):
        self.submit.label.text = "Update"
        self.country_id.choices = [(row.id, row.name) for row in geoUtils.queryCountryNamesWithDefault(company.country_id)]

        # This is for the htmx implementation. please be careful how of there is data we first take from the database an then from the from(containing th htmx call) 
        if self.country_id.data:
            self.city_id.choices = [(row.id, row.name) for row in geoUtils.queryCityNamesWithCountryId(self.country_id.data)]
            self.state_id.choices = [(row.id, row.name) for row in geoUtils.queryStateNamesWithCountryId(self.country_id.data)]
        else:
            self.city_id.choices = [(row.id, row.name) for row in geoUtils.queryCityNamesWithCountryIdWithDefault(company.city_id, company.country_id)]
            self.state_id.choices = [(row.id, row.name) for row in geoUtils.queryStateNamesWithCountryIdWithDefault(company.state_id, company.country_id)]

        self.industry_id.choices = [(row.id, row.name) for row in mainUtils.queryIndustryNamesWithDefault(company.industry_id)]
        self.legal_entity_id.choices = [(row.id, row.name) for row in companyUtils.queryLegalEntityNamesWithDefault(company.legal_entity_id)]
        self.type_id.choices = [(row.id, row.name) for row in companyUtils.queryTypeNamesWithDefault(company.type_id)]
        self.relation_id.choices = [(row.id, row.name) for row in companyUtils.queryRelationNamesWithDefault(company.relation_id)]
        self.status_id.choices = [(row.id, row.name) for row in companyUtils.queryStatusNamesWithDefault(company.status_id)]
    
    def populate_for_adding(self, company):
        self.submit.label.text = "Add"
        del self.image_file


        self.country_id.choices = [(row.id, row.name) for row in geoUtils.queryCountryNames()]

        # This is for the htmx implementation. please be careful how of there is data we switch the funtion needed  
        if self.country_id.data:
            self.city_id.choices = [(row.id, row.name) for row in geoUtils.queryCityNamesWithCountryId(self.country_id.data)]
            self.state_id.choices = [(row.id, row.name) for row in geoUtils.queryStateNamesWithCountryId(self.country_id.data)]
        else:
            self.city_id.choices = []
            self.state_id.choices = []

        self.industry_id.choices = [(row.id, row.name) for row in mainUtils.queryIndustryNames()]
        self.legal_entity_id.choices = [(row.id, row.name) for row in companyUtils.queryLegalEntityNames()]
        self.type_id.choices = [(row.id, row.name) for row in companyUtils.queryTypeNames()]
        self.relation_id.choices = [(row.id, row.name) for row in companyUtils.queryRelationNames()]
        self.status_id.choices = [(row.id, row.name) for row in companyUtils.queryStatusNames()]

    # Queries to be made in order to validate the form : If username exists
    def validate_companyName(self, company_name):
        company = companyUtils.queryByNameFirst(company_name)
        if company:
            raise ValidationError('That username is taken please choose another one')