package trafficcutoff

import (
	"context"
	"fmt"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/consts"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/dao"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/library/batchimport"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/library/batchmetadata"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/logic/iot/simcardbatch/common"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/logic/iot/simcardbatch/dataswitch"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/model/do"
	"time"

	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gtime"
)

func submitCutoffBatch(ctx context.Context, key cutoffBatchGroupKey, items []lockedCutoffCard, runTime time.Time) (*batchimport.Result, error) {
	if len(items) == 0 {
		return nil, nil
	}
	processor, err := dataswitch.NewProcessor(dataswitch.OperationDataCut)
	if err != nil {
		return nil, err
	}
	rows := make([]batchimport.Row, 0, len(items))
	for index, item := range items {
		rows = append(rows, cutoffDataSwitchRow(index+1, item.Card, runTime))
	}
	req := batchimport.SubmitRequest{
		SourceChannel: batchmetadata.System,
		ExecutionMode: batchmetadata.Bulk,
		BizParams:     &common.SubmitOptions{Remark: fmt.Sprintf("达量断网自动触发，触发卡数：%d", len(rows))},
		SourceType:    consts.BatchSourceTypeScheduled,
		Operator: batchimport.OperatorContext{
			TenantId: key.TenantId,
			DeptId:   key.CreatedDept,
			UserId:   key.CreatedBy,
		},
	}
	result, err := batchimport.CreatePendingRows(ctx, req, processor, rows, batchimport.PendingOptions{})
	if err != nil {
		return nil, err
	}
	if err = common.PublishBatchMessageStrict(ctx, result, consts.QueueBatchExecute, "traffic_cutoff"); err != nil {
		if markErr := markCutoffBatchPublishFailed(ctx, result, err); markErr != nil {
			return nil, gerror.Wrapf(markErr, "publish cutoff batch failed: %v", err)
		}
		return nil, err
	}
	return result, nil
}

func markCutoffBatchPublishFailed(ctx context.Context, result *batchimport.Result, publishErr error) error {
	if result == nil || result.BatchNo == "" {
		return nil
	}
	reason := "publish batch message failed"
	if publishErr != nil {
		reason += ": " + publishErr.Error()
	}
	return g.DB().Transaction(ctx, func(ctx context.Context, tx gdb.TX) error {
		if _, err := tx.Ctx(ctx).Model(dao.BatchMain.Table()).
			Where(dao.BatchMain.Columns().BatchNo, result.BatchNo).
			Where(dao.BatchMain.Columns().BatchAsyncStatus, consts.BatchAsyncStatusPending).
			Data(do.BatchMain{
				BatchAsyncStatus: consts.BatchAsyncStatusFailed,
				RunResult:        consts.BatchRunResultFailed,
				FailReason:       reason,
				EndTime:          gtime.Now(),
			}).Update(); err != nil {
			return gerror.Wrap(err, "mark cutoff batch publish failure")
		}
		if _, err := tx.Ctx(ctx).Model(dao.BatchDetail.Table()).
			Where(dao.BatchDetail.Columns().BatchNo, result.BatchNo).
			Where(dao.BatchDetail.Columns().DetailStatus, consts.BatchDetailStatusPending).
			Data(do.BatchDetail{
				DetailStatus: consts.BatchDetailStatusFailed,
				ErrorReason:  reason,
			}).Update(); err != nil {
			return gerror.Wrap(err, "mark cutoff batch detail publish failure")
		}
		return nil
	})
}

func cutoffDataSwitchRow(rowNo int, card cutoffCard, runTime time.Time) *dataswitch.Row {
	triggerReason := "达量断网：已用流量达到配置阈值，系统自动停用数据服务"
	if card.isCrossMonthHoldReapply() {
		triggerReason = "达量断网：跨月保持断网，系统重新停用已恢复的数据服务"
	}
	return &dataswitch.Row{
		RowNo:                       rowNo,
		Iccid:                       card.Iccid,
		Msisdn:                      card.Msisdn,
		Imsi:                        card.Imsi,
		Authorized:                  true,
		CardID:                      card.Id,
		CutoffThreshold:             roundCutoffFlow(card.TrafficCutoffThreshold),
		UsedFlowMb:                  roundCutoffFlow(card.UsedFlowMb),
		PackageTotalFlowMb:          roundCutoffFlow(cutoffTotalFlowMb(card)),
		RemainFlowMb:                roundCutoffFlow(cutoffRemainFlowMb(card)),
		DataServiceStatusBefore:     card.DataServiceStatus,
		TrafficCutoffCrossMonthHold: card.TrafficCutoffCrossMonthHold,
		TriggeredAt:                 runTime.Format("2006-01-02 15:04:05"),
		TriggerReason:               triggerReason,
	}
}