from django.contrib import admin

from .models import Appointment, Customer, LedgerEntry, Product, StockMovement


@admin.register(Customer)
class CustomerAdmin(admin.ModelAdmin):
    list_display = ("name", "phone", "user", "updated_at")
    search_fields = ("name", "phone", "email", "user__phone")


@admin.register(LedgerEntry)
class LedgerEntryAdmin(admin.ModelAdmin):
    list_display = ("title", "entry_type", "amount", "entry_date", "user")
    list_filter = ("entry_type", "category")
    search_fields = ("title", "user__phone")


@admin.register(Product)
class ProductAdmin(admin.ModelAdmin):
    list_display = ("name", "sku", "category", "quantity", "unit_price", "user")
    list_filter = ("category",)
    search_fields = ("name", "sku", "user__phone")


@admin.register(StockMovement)
class StockMovementAdmin(admin.ModelAdmin):
    list_display = ("product", "delta", "quantity_after", "created_at")
    search_fields = ("product__name", "product__user__phone")
    readonly_fields = ("product", "delta", "quantity_after", "note", "created_at")

    def has_add_permission(self, request):
        return False


@admin.register(Appointment)
class AppointmentAdmin(admin.ModelAdmin):
    list_display = ("customer_name", "title", "start_at", "status", "user")
    list_filter = ("status",)
    search_fields = ("customer_name", "customer_phone", "user__phone")