package payment

import (
	"context"
	"strconv"

	"gorm.io/gorm"

	agentrecharge "github.com/break/junhong_cmp_fiber/internal/application/agentrecharge"
	"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"
)

// AgentRechargePaymentEventWriter 将支付确认事实写入公共 Outbox。
type AgentRechargePaymentEventWriter struct {
	outbox *outbox.Repository
}

// NewAgentRechargePaymentEventWriter 创建代理充值支付确认事件 Writer。
func NewAgentRechargePaymentEventWriter(repository *outbox.Repository) *AgentRechargePaymentEventWriter {
	return &AgentRechargePaymentEventWriter{outbox: repository}
}

// Append 在支付确认事务内追加稳定的代理充值入账事件。
func (w *AgentRechargePaymentEventWriter) Append(ctx context.Context, tx *gorm.DB, event agentrecharge.PaymentConfirmedEvent) error {
	if w == nil || w.outbox == nil {
		return errors.New(errors.CodeInternalError, "代理充值支付确认 Outbox Writer 未配置")
	}
	_, err := w.outbox.Append(ctx, tx, outbox.Envelope{
		EventID: event.EventID, EventType: constants.OutboxEventTypeAgentRechargePaymentConfirmed,
		PayloadVersion: constants.AgentRechargePaymentConfirmedPayloadVersionV1,
		AggregateType:  "agent_recharge", AggregateID: strconv.FormatUint(uint64(event.RechargeID), 10),
		ResourceType: "payment", ResourceID: strconv.FormatUint(uint64(event.PaymentID), 10),
		BusinessKey: event.EventID, RequestID: event.RequestID, CorrelationID: event.CorrelationID,
		ParentEventID: event.ParentEventID, Payload: event,
	})
	return err
}