from rest_framework import serializers
from apps.core.serializers import AsyncModelSerializer
from .models import ChannelAccount, ChannelOrder, WebhookEvent


class ChannelAccountSerializer(AsyncModelSerializer):
    platform_name = serializers.CharField(source="get_platform_display", read_only=True)
    warehouse_name = serializers.CharField(source="default_warehouse.name", read_only=True, default=None)
    customer_name = serializers.CharField(source="default_customer.name", read_only=True, default=None)

    class Meta:
        model = ChannelAccount
        fields = [
            "id", "platform", "platform_name", "shop_id", "shop_name",
            "app_key", "is_active", "default_warehouse", "warehouse_name",
            "default_customer", "customer_name", "created_at", "updated_at",
        ]
        read_only_fields = ["id", "created_at", "updated_at"]


class ChannelOrderSerializer(AsyncModelSerializer):
    shop_name = serializers.CharField(source="channel_account.shop_name", read_only=True)
    platform = serializers.CharField(source="channel_account.platform", read_only=True)
    sync_status_name = serializers.CharField(source="get_sync_status_display", read_only=True)
    sales_order_no = serializers.CharField(source="sales_order.bill_no", read_only=True, default=None)

    class Meta:
        model = ChannelOrder
        fields = [
            "id", "channel_account", "shop_name", "platform",
            "external_order_id", "order_status", "order_amount",
            "buyer_name", "buyer_phone", "receiver_address",
            "sync_status", "sync_status_name", "sync_error",
            "sales_order", "sales_order_no", "raw_payload",
            "created_at", "updated_at",
        ]
        read_only_fields = ["id", "sales_order", "sync_status", "sync_error", "created_at", "updated_at"]


class WebhookEventSerializer(AsyncModelSerializer):
    class Meta:
        model = WebhookEvent
        fields = [
            "id", "direction", "source", "event_type", "payload",
            "status", "error_message", "created_at",
        ]
        read_only_fields = ["id", "created_at"]