from django import forms
from django.contrib import admin
import main.models as MainDB
from datetime import date, datetime
from django.utils.html import format_html
from import_export import resources
from import_export.admin import ExportMixin, ImportMixin, ImportExportModelAdmin


class contributorsResource(resources.ModelResource):

    class Meta:
        model = MainDB.contributors

# Register your models here.
@admin.register(MainDB.contributors)
# class DeinModellAdmin(ImportExportModelAdmin):
#     pass  # Damit hast du Import/Export-Funktionalität im Django Admin
class MainDB_contributorsAdmin(ExportMixin, ImportMixin, admin.ModelAdmin):

    resource_class = contributorsResource

    list_display = ('full_name', 'actual', 'da_approval', 'leader', 'tage_anzeige', 'get_deparment', 'gender', 'birthday_year', 'get_congregation', 'mobilnumber', 'email')

    list_filter = ('gender', 'roles', 'deparment', 'da_approval')

    search_fields = ('name', 'firstname', 'congregation__title', 'deparment__title', 'mobilnumber', 'email')
    
    def get_congregation(self, obj):
        return obj.congregation
    get_congregation.short_description = 'Versammlung'
    get_congregation.admin_order_field = 'congregation__title'

    def get_deparment(self, obj):
        # Gebe eine durch Komma getrennte Liste der Namen der contributors zurück
        return ", ".join([str(deparment) for deparment in obj.deparment.all()])
    get_deparment.short_description = 'Abteilung'  # Optional: Benennung der Spalte

    # Methode, um nur das Jahr des Birthdays anzuzeigen
    def birthday_year(self, obj):
        year = obj.birthday.year if obj.birthday != None else 0
        return int(datetime.strftime(date.today(), "%Y")) - year
    birthday_year.short_description = 'Alter'

    # Teamleiter ansicht
    def leader(self, obj):
        if obj.teamleader:
            color = "green"
        elif not obj.teamleader and obj.second_teamleader:
            color = "gold"
        else:
            color = "gray"

        status = f'<span style="color: {color}; font-size: 16px;">●</span>'
        return format_html(status)

    # Verfügbarkeit anzeigen
    def tage_anzeige(self, obj):
        """ Kompakte Anzeige mit 2er-Gruppen in farbigen Punkten """
        tage_pairs = [
            ("MiV", "MiN"),
            ("DoV", "DoN"),
            ("FrV", "FrN"),
            ("SaV", "SaN"),
            ("SoV", "SoN"),
            ("Abbau", None)  # Extra2 hat keinen Partner, wird einzeln bewertet
        ]

        symbols = []
        for tag1, tag2 in tage_pairs:
            active1 = obj.tage & obj.TAGE[tag1]
            active2 = obj.TAGE.get(tag2, 0) and obj.tage & obj.TAGE[tag2] if tag2 else None  # Sicherstellen, dass None nicht bewertet wird

            if tag2 is None:  # Falls nur ein Eintrag in der Gruppe existiert
                color = "green" if active1 else "red"  # Entweder Grün oder Rot
            else:
                if active1 and active2:
                    color = "green"  # 🟢 beide aktiv
                elif active1 or active2:
                    color = "gold"   # 🟡 nur einer aktiv
                else:
                    color = "red"    # 🔴 beide inaktiv

            symbols.append(f'<span style="color: {color}; font-size: 16px;">●</span>')

        return format_html(" ".join(symbols))


admin.site.register(MainDB.department)

@admin.register(MainDB.congregation)
class MainDB_congregationAdmin(admin.ModelAdmin):
    list_display = ('id', 'title')

admin.site.register(MainDB.role)