// Package wallet 提供代理主钱包持久化与可靠事件 Adapter。
package wallet

import (
	"context"
	"strconv"

	walletapp "github.com/break/junhong_cmp_fiber/internal/application/wallet"
	"github.com/break/junhong_cmp_fiber/internal/infrastructure/messaging/outbox"
	"github.com/break/junhong_cmp_fiber/pkg/constants"
	"github.com/break/junhong_cmp_fiber/pkg/errors"
	"gorm.io/gorm"
)

// DebitEventWriter 将代理主钱包扣款事实写入公共 Outbox。
type DebitEventWriter struct {
	outbox *outbox.Repository
}

// NewDebitEventWriter 创建代理主钱包扣款 Outbox Writer。
func NewDebitEventWriter(repository *outbox.Repository) *DebitEventWriter {
	return &DebitEventWriter{outbox: repository}
}

// Append 在调用方业务事务中追加代理主钱包扣款事件。
func (w *DebitEventWriter) Append(ctx context.Context, tx *gorm.DB, event walletapp.DebitedEvent) error {
	if w == nil || w.outbox == nil {
		return errors.New(errors.CodeInternalError, "代理主钱包扣款 Outbox Writer 未配置")
	}
	_, err := w.outbox.Append(ctx, tx, outbox.Envelope{
		EventID: event.EventID, EventType: constants.OutboxEventTypeAgentMainWalletDebited,
		PayloadVersion: constants.AgentMainWalletDebitedPayloadVersionV1,
		AggregateType:  "agent_wallet", AggregateID: strconv.FormatUint(uint64(event.WalletID), 10),
		ResourceType: event.ReferenceType, ResourceID: strconv.FormatUint(uint64(event.ReferenceID), 10),
		BusinessKey: event.EventID, RequestID: event.RequestID, CorrelationID: event.CorrelationID, Payload: event,
	})
	return err
}