package audit

import (
	"context"
	"strconv"

	"gorm.io/gorm"

	"github.com/break/junhong_cmp_fiber/pkg/constants"
	pkgerrors "github.com/break/junhong_cmp_fiber/pkg/errors"
	"github.com/break/junhong_cmp_fiber/pkg/middleware"
)

// AssetAutoRenewalConfigAudit 是资产钱包自动续费配置保存的审计事实。
//
// 前后值快照由调用方在保存事务内组装：Before 为保存前的开关、范围、集合、天数与版本，
// After 为保存后的对应值。审计写入与配置保存同事务，未注册时整体失败（fail-closed）。
type AssetAutoRenewalConfigAudit struct {
	OperatorID    uint
	OperationType string
	Description   string
	BeforeData    map[string]any
	AfterData     map[string]any
	Result        string
	ErrorCode     string
	ErrorSummary  string
	RequestID     string
	CorrelationID string
}

// WriteAssetAutoRenewalConfigChange 将自动续费配置变化转换为统一 Audit Event。
func (w *Writer) WriteAssetAutoRenewalConfigChange(ctx context.Context, tx *gorm.DB, change AssetAutoRenewalConfigAudit) error {
	operationType := change.OperationType
	if operationType != "" && operationType != constants.AuditOperationAssetAutoRenewalConfigUpdate {
		return pkgerrors.New(pkgerrors.CodeInvalidParam, "审计动作未注册")
	}
	action, ok := w.registry.ActionByOperation(constants.AuditOperationAssetAutoRenewalConfigUpdate)
	if !ok {
		return pkgerrors.New(pkgerrors.CodeInvalidParam, "审计动作未注册")
	}
	if change.OperatorID == 0 {
		return pkgerrors.New(pkgerrors.CodeInvalidParam, "自动续费配置审计操作者缺失")
	}
	result := change.Result
	if result == "" {
		result = constants.AuditResultSuccess
	}
	summary := change.Description
	if summary == "" {
		summary = "保存资产钱包自动续费配置"
	}
	configID := strconv.FormatUint(uint64(constants.AssetAutoRenewalConfigSingletonID), 10)
	return w.Append(ctx, tx, AppendInput{
		ActionCode: action.Code, Summary: summary,
		Actor: ActorInput{
			Kind: constants.AuditActorAccount, ID: strconv.FormatUint(uint64(change.OperatorID), 10),
			Name: middleware.GetUsernameFromContext(ctx),
		},
		Source: action.Source, RequestPath: contextString(middleware.GetRequestPathFromContext(ctx)),
		RequestMethod: contextString(middleware.GetRequestMethodFromContext(ctx)),
		IPAddress:     contextString(middleware.GetIPFromContext(ctx)), UserAgent: contextString(middleware.GetUserAgentFromContext(ctx)),
		ScopeType: constants.AuditScopePlatform, Result: result,
		ErrorCode: change.ErrorCode, ErrorSummary: change.ErrorSummary,
		RequestID: change.RequestID, CorrelationID: change.CorrelationID,
		Resources: []ResourceInput{{
			Type: constants.AuditResourceAssetAutoRenewalConfig, ID: &configID, Key: configID,
			DisplayName: constants.AssetAutoRenewalConfigDisplayName,
			Relation:    constants.AuditResourceRelationPrimary,
			Role:        constants.AuditResourceRoleAssetAutoRenewalConfigTarget,
			BeforeData:  change.BeforeData, AfterData: change.AfterData,
			SubjectVisibility: constants.AuditSubjectInternalOnly,
		}},
	})
}