from django.contrib import admin
from .models import Fertilizer, FertilizationPlan, FertilizationEntry, DistributionPlan, DistributionGroup, DistributionGroupField


@admin.register(Fertilizer)
class FertilizerAdmin(admin.ModelAdmin):
    list_display = ['name', 'maker', 'capacity_kg', 'nitrogen_pct']


class FertilizationEntryInline(admin.TabularInline):
    model = FertilizationEntry
    extra = 0


@admin.register(FertilizationPlan)
class FertilizationPlanAdmin(admin.ModelAdmin):
    list_display = ['name', 'year', 'variety']
    list_filter = ['year']
    inlines = [FertilizationEntryInline]


class DistributionGroupFieldInline(admin.TabularInline):
    model = DistributionGroupField
    extra = 0
    readonly_fields = ['distribution_plan']


class DistributionGroupInline(admin.TabularInline):
    model = DistributionGroup
    extra = 0


@admin.register(DistributionPlan)
class DistributionPlanAdmin(admin.ModelAdmin):
    list_display = ['name', 'fertilization_plan', 'created_at']
    list_filter = ['fertilization_plan__year']
    inlines = [DistributionGroupInline]


@admin.register(DistributionGroup)
class DistributionGroupAdmin(admin.ModelAdmin):
    list_display = ['name', 'distribution_plan', 'order']
    inlines = [DistributionGroupFieldInline]