from __future__ import annotations

from django import forms

from .models import SearchProfile


class SearchProfileForm(forms.ModelForm):
    desired_titles_text = forms.CharField(
        label="Gewenste functietitels",
        required=False,
        widget=forms.Textarea(attrs={"rows": 4, "placeholder": "Eén titel per regel"}),
    )
    excluded_titles_text = forms.CharField(
        label="Uitgesloten titelwoorden",
        required=False,
        widget=forms.Textarea(attrs={"rows": 3, "placeholder": "Eén term per regel"}),
    )
    desired_skills_text = forms.CharField(
        label="Gewenste skills",
        required=False,
        widget=forms.Textarea(attrs={"rows": 4, "placeholder": "Eén skill per regel"}),
    )
    excluded_skills_text = forms.CharField(
        label="Uitgesloten skills",
        required=False,
        widget=forms.Textarea(attrs={"rows": 3, "placeholder": "Eén skill per regel"}),
    )

    class Meta:
        model = SearchProfile
        fields = [
            "name",
            "is_active",
            "home_postal_code",
            "home_municipality",
            "home_latitude",
            "home_longitude",
            "max_distance_km",
            "allowed_employment_types",
            "preferred_workplace",
            "preferred_regions",
            "excluded_regions",
            "recommendation_threshold",
            "top_match_threshold",
            "digest_time",
            "learning_enabled",
        ]
        widgets = {
            "allowed_employment_types": forms.TextInput(
                attrs={"placeholder": '["full_time", "part_time"]'}
            ),
            "preferred_workplace": forms.TextInput(attrs={"placeholder": '["hybrid", "on_site"]'}),
            "preferred_regions": forms.TextInput(attrs={"placeholder": '["Limburg"]'}),
            "excluded_regions": forms.TextInput(attrs={"placeholder": '["Brussel"]'}),
            "digest_time": forms.TimeInput(attrs={"type": "time"}),
        }

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        if self.instance and self.instance.pk:
            self.fields["desired_titles_text"].initial = "\n".join(self.instance.desired_titles)
            self.fields["excluded_titles_text"].initial = "\n".join(self.instance.excluded_titles)
            self.fields["desired_skills_text"].initial = "\n".join(self.instance.desired_skills)
            self.fields["excluded_skills_text"].initial = "\n".join(self.instance.excluded_skills)

    @staticmethod
    def _lines(value: str) -> list[str]:
        return [line.strip() for line in value.splitlines() if line.strip()]

    def save(self, commit=True):
        instance = super().save(commit=False)
        instance.desired_titles = self._lines(self.cleaned_data["desired_titles_text"])
        instance.excluded_titles = self._lines(self.cleaned_data["excluded_titles_text"])
        instance.desired_skills = self._lines(self.cleaned_data["desired_skills_text"])
        instance.excluded_skills = self._lines(self.cleaned_data["excluded_skills_text"])
        if commit:
            instance.save()
            self.save_m2m()
        return instance