package order

import (
	"context"
	"strconv"
	"time"

	"gorm.io/gorm"

	"github.com/break/junhong_cmp_fiber/internal/infrastructure/audit"
	"github.com/break/junhong_cmp_fiber/internal/infrastructure/integrationlog"
	"github.com/break/junhong_cmp_fiber/internal/model"
	"github.com/break/junhong_cmp_fiber/pkg/auditcontext"
	"github.com/break/junhong_cmp_fiber/pkg/constants"
	"github.com/break/junhong_cmp_fiber/pkg/errors"
)

// SetPaymentIntegrationLog 注入支付渠道 Integration Log。
func (s *Service) SetPaymentIntegrationLog(repository *integrationlog.Repository) {
	s.paymentIntegration = repository
}

func (s *Service) startOrderPaymentAttempt(ctx context.Context, order *model.Order, provider, scene string) (*model.IntegrationLog, time.Time, error) {
	if s.paymentIntegration == nil {
		return nil, time.Time{}, errors.New(errors.CodeInvalidStatus, "支付 Integration Log 接缝未配置")
	}
	resourceID := strconv.FormatUint(uint64(order.ID), 10)
	resourceKey, series, correlationID := order.OrderNo, "order-payment:"+resourceID+":"+constants.IntegrationOperationPaymentPreCreate, order.OrderNo
	triggerSource, triggerScene := auditcontext.From(ctx).Source, scene
	log, err := s.paymentIntegration.Start(ctx, integrationlog.Attempt{
		Provider: provider, Direction: constants.IntegrationDirectionOutbound,
		Operation:    constants.IntegrationOperationPaymentPreCreate,
		ResourceType: constants.AuditResourceOrder, ResourceID: &resourceID, ResourceKey: &resourceKey,
		ExternalID: &resourceKey, TriggerSource: &triggerSource, TriggerScene: &triggerScene,
		TriggerSeries: &series, CorrelationID: &correlationID,
		RequestSummary: map[string]any{"payment_config_id": order.PaymentConfigID, "amount": order.TotalAmount},
	})
	return log, time.Now(), err
}

func (s *Service) completeOrderPaymentAttempt(ctx context.Context, log *model.IntegrationLog, startedAt time.Time, result, providerCode, safeMessage string) error {
	if log == nil {
		return errors.New(errors.CodeInvalidStatus, "支付 Integration Log 尝试不存在")
	}
	completion := integrationlog.Completion{
		Result: result, ProviderCode: providerCode, SafeProviderMessage: safeMessage,
		ResponseSummary: map[string]any{"success": result == constants.IntegrationResultSuccess},
		DurationMS:      time.Since(startedAt).Milliseconds(),
	}
	if result == constants.IntegrationResultUnknown {
		completion.RecoveryStrategy = "使用原业务单号向支付渠道查单，确认结果后再推进本地支付状态"
	}
	_, err := s.paymentIntegration.Complete(ctx, log.IntegrationID, completion)
	return err
}

func (s *Service) appendPaymentConfirmedAudit(ctx context.Context, tx *gorm.DB, payment *model.Payment, order *model.Order, beforePayment, afterPayment, beforeOrder, afterOrder map[string]any) error {
	if s.auditWriter == nil {
		return errors.New(errors.CodeInvalidStatus, "支付统一审计接缝未配置")
	}
	paymentResource := audit.PaymentResource(payment, constants.AuditResourceRelationPrimary, constants.AuditResourceRolePaymentTarget, beforePayment, afterPayment)
	orderResource := audit.OrderResource(order, constants.AuditResourceRelationAffected, constants.AuditResourceRolePaymentBusinessOrder)
	orderResource.BeforeData, orderResource.AfterData = beforeOrder, afterOrder
	orderResource.SubjectVisibility = constants.AuditSubjectResult
	orderResource.SubjectSummary = "订单支付已确认"
	return s.auditWriter.Append(ctx, tx, audit.AppendInput{
		ActionCode: constants.AuditActionPaymentConfirmed, Summary: "第三方支付确认订单已支付",
		ScopeType: constants.AuditScopePlatform, Result: constants.AuditResultSuccess,
		CorrelationID: payment.PaymentNo, Resources: []audit.ResourceInput{paymentResource, orderResource},
	})
}

func paymentStateData(payment *model.Payment) map[string]any {
	return map[string]any{
		"status": payment.Status, "third_party_trade_no": payment.ThirdPartyTradeNo,
		"paid_at": payment.PaidAt,
	}
}