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

from .models import Engagement, EngagementEffort, EngagementStrategy


class EngagementEffortReportingCreateForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields["is_planned"].widget.attrs.update({"class": "select-lg"})
        # for field in self.fields.values():
        #     field.widget.attrs['class'] = 'mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50'

    class Meta:
        model = EngagementEffort
        help_texts = {
            "is_planned": ("To distinguish planned events from retrospective recording."),
            "officers": ("Include yourself here but you can also add effort for your colleagues."),
        }
        fields = [
            "is_planned",
            "proposed_start_date",
            "proposed_end_date",
            "officers",
            "notes",
        ]
        widgets = {
            # 'is_planned': forms.Select(
            #     choices=(
            #         (True, "YES"),
            #         (False, "NO"),
            #     ),
            #     attrs={'class': 'select-lg w-full max-w-xs'}
            # ),
            "proposed_start_date": forms.DateTimeInput(
                attrs={
                    "type": "datetime-local",
                    "class": "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50",
                },
                format="j M y H:i",
            ),
            "proposed_end_date": forms.DateTimeInput(
                attrs={
                    "type": "datetime-local",
                    "class": "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50",
                },
                format="j M y H:i",
            ),
            "officers": forms.SelectMultiple(
                attrs={
                    "class": "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50"
                }
            ),
            "notes": forms.Textarea(
                attrs={
                    "class": "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50",
                    "rows": 3,
                }
            ),
        }


class EngagementEffortRegulationCreateForm(forms.ModelForm):
    class Meta:
        model = EngagementEffort
        fields = [
            "is_planned",
            "proposed_start_date",
            "proposed_end_date",
            "officers",
            "sub_instruments",
            "notes",
        ]
        help_texts = {"is_planned": ("To distinguish planned events from retrospective recording.")}
        widgets = {
            "proposed_start_date": forms.DateTimeInput(
                attrs={
                    "type": "datetime-local",
                },
                format="j M y H:i",
            ),
            "proposed_end_date": forms.DateTimeInput(
                attrs={
                    "type": "datetime-local",
                },
                format="j M y H:i",
            ),
        }


class EngagementEffortPlanningCreateForm(forms.ModelForm):
    class Meta:
        model = EngagementEffort
        fields = [
            "is_planned",
            "proposed_start_date",
            "proposed_end_date",
            "officers",
            "notes",
        ]
        help_texts = {"is_planned": ("To distinguish planned events from retrospective recording.")}
        widgets = {
            "proposed_start_date": forms.DateTimeInput(
                attrs={
                    "type": "datetime-local",
                },
                format="j M y H:i",
            ),
            "proposed_end_date": forms.DateTimeInput(
                attrs={
                    "type": "datetime-local",
                },
                format="j M y H:i",
            ),
        }


class EngagementEffortTravelCreateForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields["is_planned"].widget.attrs.update({"class": "select-lg"})
        for field in self.fields.values():
            field.widget.attrs["class"] = (
                "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50"
            )

    class Meta:
        model = EngagementEffort
        fields = ["is_planned", "proposed_start_date", "proposed_end_date", "officers"]
        widgets = {
            "is_planned": forms.Select(
                choices=((True, "YES"), (False, "NO")), attrs={"class": "select select-bordered w-full max-w-xs"}
            ),
            "proposed_start_date": forms.DateTimeInput(attrs={"type": "datetime-local"}),
            "proposed_end_date": forms.DateTimeInput(attrs={"type": "datetime-local"}),
        }
        help_texts = {"is_planned": ("To distinguish planned events from retrospective recording.")}


class EngagementEffortCreateForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields["engagement"].widget = HiddenInput()
        self.fields["effort_type"].widget = HiddenInput()
        if kwargs.get("initial"):
            if not kwargs["initial"]["effort_type"] == "REGULATION":
                self.fields["sub_instruments"].widget = HiddenInput()

        # Apply Tailwind classes to all visible fields
        # for field in self.visible_fields():
        #     field.widget.attrs['class'] = 'mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50'

    class Meta:
        model = EngagementEffort
        fields = "__all__"
        widgets = {
            # "is_planned": forms.Select(
            #     choices=(
            #         (True, "YES"),
            #         (False, "NO"),
            #     ),
            #     attrs={'class': 'mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50'}
            # ),
            "proposed_start_date": forms.DateTimeInput(
                attrs={
                    "type": "datetime-local",
                    "class": "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50",
                },
                format="j M y H:i",
            ),
            "proposed_end_date": forms.DateTimeInput(
                attrs={
                    "type": "datetime-local",
                    "class": "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50",
                },
                format="j M y H:i",
            ),
            "effort_type": forms.Select(
                attrs={
                    "class": "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50"
                }
            ),
            "officers": forms.SelectMultiple(
                attrs={
                    "class": "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50"
                }
            ),
            "sub_instruments": forms.SelectMultiple(
                attrs={
                    "class": "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50"
                }
            ),
        }


class EngagementCreateForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        try:
            self.fields["engagement_type"].queryset = kwargs["initial"]["engagement_type"]
        except KeyError:
            pass

    def clean_proposed_end_date(self):
        proposed_start_date = self.cleaned_data["proposed_start_date"]
        proposed_end_date = self.cleaned_data["proposed_end_date"]

        if proposed_start_date and proposed_end_date:
            if proposed_start_date > proposed_end_date:
                raise ValidationError("The proposed start date must be before the proposed end date.")

        return proposed_start_date

    class Meta:
        model = Engagement
        fields = [
            "proposed_start_date",
            "proposed_end_date",
            "engagement_type",
            "external_party",
            "officers",
        ]
        labels = {
            "officers": "Inspectors",
        }
        help_texts = {
            "external_party": "These are the people you are dealing with.",
            "proposed_start_date": "YYYY-MM-DD",
            "proposed_end_date": "YYYY-MM-DD",
            "officers": "Use CTRL to select multiple if required.",
        }
        widgets = {
            "proposed_start_date": forms.DateInput(attrs={"type": "date"}),
            "proposed_end_date": forms.DateInput(attrs={"type": "date"}),
            "engagement_type": forms.Select(),
            "officers": forms.SelectMultiple(),
        }


class EngagementStrategyCreateForm(forms.ModelForm):
    class Meta:
        fields = "__all__"
        model = EngagementStrategy