import django_filters
from .models import Event, EventParticipant, MethodicalFile

class EventFilter(django_filters.FilterSet):
    name = django_filters.CharFilter(lookup_expr="icontains")
    location = django_filters.CharFilter(lookup_expr="icontains")
    date_after = django_filters.DateFilter(field_name="date", lookup_expr="gte")
    date_before = django_filters.DateFilter(field_name="date", lookup_expr="lte")

    class Meta:
        model = Event
        fields = ["name", "location", "date_after", "date_before"]


class EventParticipantFilter(django_filters.FilterSet):
    student_name = django_filters.CharFilter(
        field_name="student__account__first_name", lookup_expr="icontains"
    )
    event_name = django_filters.CharFilter(field_name="event__name", lookup_expr="icontains")

    class Meta:
        model = EventParticipant
        fields = ["student_name", "event_name", "points"]


class MethodicalFileFilter(django_filters.FilterSet):
    name = django_filters.CharFilter(lookup_expr="icontains")
    specialty_name = django_filters.CharFilter(
        field_name="specialty__name", lookup_expr="icontains"
    )

    class Meta:
        model = MethodicalFile
        fields = ["name", "specialty_name", "upload_date"]