# garden/admin.py
from django.contrib import admin
from .models import Plant, Greenhouse


class PlantInline(admin.TabularInline):
    """Позволяет редактировать растения прямо на странице теплицы."""
    model = Plant
    extra = 0
    fields = (
        "name",
        "species",
        "family",
        "height_cm",
        "is_flowering",
        "endangered",
    )
    show_change_link = True


@admin.register(Greenhouse)
class GreenhouseAdmin(admin.ModelAdmin):
    list_display = ("id", "name", "location", "climate_zone", "plant_count")
    list_filter = ("climate_zone",)
    search_fields = ("name", "location")
    ordering = ("name",)
    inlines = [PlantInline]

    @admin.display(description="Кол-во растений")
    def plant_count(self, obj):
        return obj.plants.count()


@admin.register(Plant)
class PlantAdmin(admin.ModelAdmin):
    list_display = (
        "id",
        "name",
        "species",
        "family",
        "greenhouse",
        "height_cm",
        "is_flowering",
        "endangered",
        "planted_at",
    )
    list_filter = (
        "greenhouse",
        "family",
        "is_flowering",
        "endangered",
        "origin_country",
    )
    search_fields = ("name", "species", "family", "origin_country")
    date_hierarchy = "planted_at"
    ordering = ("-planted_at",)
    list_select_related = ("greenhouse",)
    autocomplete_fields = ("greenhouse",)
    list_per_page = 25

    fieldsets = (
        ("Основное", {
            "fields": ("name", "species", "family", "greenhouse")
        }),
        ("Характеристики", {
            "fields": ("height_cm", "watering_frequency_days", "is_flowering", "endangered")
        }),
        ("Происхождение", {
            "fields": ("planted_at", "origin_country")
        }),
    )