from django import forms
from django.core.exceptions import ValidationError

from .contact_uploads import validate_contact_attachments
from .models import ContactSubmission, MapMembership


class ContactForm(forms.ModelForm):
    attachments = forms.Field(required=False)

    class Meta:
        model = ContactSubmission
        fields = ["name", "title", "description", "email"]
        widgets = {
            "name": forms.TextInput(
                attrs={"placeholder": "Your full name", "autocomplete": "name"}
            ),
            "title": forms.TextInput(attrs={"placeholder": "Subject / topic"}),
            "description": forms.Textarea(
                attrs={"placeholder": "Write your message here…", "rows": 5}
            ),
            "email": forms.EmailInput(
                attrs={
                    "placeholder": "your@email.com (optional)",
                    "autocomplete": "email",
                }
            ),
        }

    def __init__(self, *args, file_list=None, **kwargs):
        self.file_list = file_list
        super().__init__(*args, **kwargs)

    def clean(self):
        cleaned_data = super().clean()
        try:
            cleaned_data["attachments"] = validate_contact_attachments(self.file_list)
        except ValidationError as exc:
            self.add_error("attachments", exc)
            cleaned_data["attachments"] = []
        return cleaned_data


class MapMembershipAdminForm(forms.ModelForm):
    class Meta:
        model = MapMembership
        fields = "__all__"
        help_texts = {
            "location_method": "City mode calculates coordinates on save. Choose Coordinates to set latitude and longitude yourself.",
            "country": "For city lookup, enter an English country name or ISO code, e.g. Canada / CA. Optional location label in Coordinates mode.",
            "city": "Required in city mode. Unknown, small or ambiguous towns can be placed using Coordinates mode instead.",
            "latitude": "Coordinates mode: -90 to 90. In city mode this value is calculated from the country and city on save.",
            "longitude": "Coordinates mode: -180 to 180. In city mode this value is calculated from the country and city on save.",
        }