package unsub

import (
	"context"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/library/batchmetadata"
	"strings"

	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/consts"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/library/batchimport"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/library/contexts"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/library/rabbitmq"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/model"

	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/net/ghttp"
)

type BatchExecuteMessage struct {
	BatchNo   string `json:"batchNo"`
	BatchType int    `json:"batchType"`
}

type PendingResult struct {
	BatchNo          string
	BatchType        int
	BatchAsyncStatus int
	Total            int
	ValidCount       int
	FailCount        int
}

type Publisher interface {
	PublishBatch(ctx context.Context, msg BatchExecuteMessage) error
}

type rabbitPublisher struct{}

func (rabbitPublisher) PublishBatch(ctx context.Context, msg BatchExecuteMessage) error {
	return rabbitmq.Publish(ctx, consts.QueueBatchExecute, msg)
}

var publisher Publisher = rabbitPublisher{}

func SetPublisher(p Publisher) {
	if p == nil {
		publisher = rabbitPublisher{}
		return
	}
	publisher = p
}

func CreatePendingExcel(ctx context.Context, file *ghttp.UploadFile, in *model.TSimCardUnsubExcelSubmitParam) (*PendingResult, error) {
	if in == nil {
		in = &model.TSimCardUnsubExcelSubmitParam{}
	}
	processor := NewProcessor()
	req := batchimport.SubmitRequest{
		SourceChannel: batchmetadata.Console,
		ExecutionMode: batchmetadata.Bulk,
		File:          file,
		BizParams:     in,
		SourceType:    consts.BatchSourceTypeFile,
		Operator:      operatorContext(ctx),
	}
	result, err := batchimport.CreatePendingUpload(ctx, req, processor, batchimport.PendingOptions{})
	if err != nil {
		return nil, err
	}
	return finalizePending(ctx, processor, result), nil
}

func CreatePendingRange(ctx context.Context, in *model.TSimCardUnsubRangeSubmitParam) (*PendingResult, error) {
	if in == nil {
		in = &model.TSimCardUnsubRangeSubmitParam{}
	}
	rows, err := BuildRangeRows(ctx, in.StartIccid, in.EndIccid, in.StartMsisdn, in.EndMsisdn, in.StartImsi, in.EndImsi)
	if err != nil {
		return nil, err
	}
	processor := NewProcessor()
	req := batchimport.SubmitRequest{
		SourceChannel: batchmetadata.Console,
		ExecutionMode: batchmetadata.Bulk,
		BizParams:     in,
		SourceType:    consts.BatchSourceTypeRange,
		Operator:      operatorContext(ctx),
	}
	result, err := batchimport.CreatePendingRows(ctx, req, processor, rows, batchimport.PendingOptions{})
	if err != nil {
		return nil, err
	}
	return finalizePending(ctx, processor, result), nil
}

func CreatePendingInput(ctx context.Context, in *model.TSimCardUnsubInputSubmitParam) (*PendingResult, error) {
	if in == nil {
		in = &model.TSimCardUnsubInputSubmitParam{}
	}
	rows, err := ParseInputRows(ctx, in.Input)
	if err != nil {
		return nil, err
	}
	processor := NewProcessor()
	req := batchimport.SubmitRequest{
		SourceChannel: batchmetadata.Console,
		ExecutionMode: batchmetadata.Bulk,
		BizParams:     in,
		SourceType:    consts.BatchSourceTypeBatchInput,
		Operator:      operatorContext(ctx),
	}
	result, err := batchimport.CreatePendingRows(ctx, req, processor, rows, batchimport.PendingOptions{})
	if err != nil {
		return nil, err
	}
	return finalizePending(ctx, processor, result), nil
}

func CreatePendingBatch(ctx context.Context, in *model.TSimCardUnsubBatchSubmitParam) (*PendingResult, error) {
	if in == nil {
		in = &model.TSimCardUnsubBatchSubmitParam{}
	}
	in.SourceBatchNo = strings.TrimSpace(in.SourceBatchNo)
	if in.SourceBatchNo == "" {
		return nil, gerror.New("来源批次号不能为空")
	}

	processor := NewProcessor()
	repo := NewRepository()
	sourceBatch, err := repo.GetSourceBatch(ctx, in.SourceBatchNo)
	if err != nil {
		return nil, gerror.Wrap(err, "查询来源批次失败")
	}
	if sourceBatch == nil {
		return nil, gerror.New("来源批次不存在")
	}
	if tenantId := contexts.GetTenantId(ctx); tenantId != "" && sourceBatch.TenantId != tenantId {
		return nil, gerror.New("来源批次不存在")
	}
	if sourceBatch.BatchType != consts.BatchTypeOutbound {
		return nil, gerror.New("来源批次不是出库批次")
	}
	if sourceBatch.RunResult != consts.BatchRunResultSuccess {
		return nil, gerror.New("来源批次不是成功批次")
	}

	rows, err := repo.GetSourceBatchRows(ctx, in.SourceBatchNo)
	if err != nil {
		return nil, gerror.Wrap(err, "查询来源批次卡明细失败")
	}
	if len(rows) == 0 {
		return nil, gerror.New("来源批次没有可退订卡")
	}

	importRows := make([]batchimport.Row, 0, len(rows))
	for _, row := range rows {
		importRows = append(importRows, row)
	}
	req := batchimport.SubmitRequest{
		SourceChannel: batchmetadata.Console,
		ExecutionMode: batchmetadata.Bulk,
		BizParams:     in,
		SourceType:    consts.BatchSourceTypeBatchSelect,
		SourceBatchNo: in.SourceBatchNo,
		Operator:      operatorContext(ctx),
	}
	result, err := batchimport.CreatePendingRows(ctx, req, processor, importRows, batchimport.PendingOptions{})
	if err != nil {
		return nil, err
	}
	return finalizePending(ctx, processor, result), nil
}

func finalizePending(ctx context.Context, p *Processor, result *batchimport.Result) *PendingResult {
	if result == nil {
		result = &batchimport.Result{}
	}
	if result.BatchType == 0 {
		result.BatchType = p.Config().BatchType
	}
	publishPending(ctx, result.BatchNo, result.BatchType)
	return pendingResultFromBatch(result, p)
}

func pendingResultFromBatch(result *batchimport.Result, p *Processor) *PendingResult {
	if result == nil {
		return &PendingResult{
			BatchType:        p.Config().BatchType,
			BatchAsyncStatus: consts.BatchAsyncStatusPending,
		}
	}
	valid := result.ValidRows
	if result.TotalRows > 0 && valid == 0 {
		valid = result.TotalRows - result.ErrorRows
		if valid < 0 {
			valid = 0
		}
	}
	return &PendingResult{
		BatchNo:          result.BatchNo,
		BatchType:        result.BatchType,
		BatchAsyncStatus: consts.BatchAsyncStatusPending,
		Total:            result.TotalRows,
		ValidCount:       valid,
		FailCount:        result.ErrorRows,
	}
}

func publishPending(ctx context.Context, batchNo string, batchType int) {
	batchNo = strings.TrimSpace(batchNo)
	if batchNo == "" {
		return
	}
	if batchType == 0 {
		batchType = consts.BatchTypeUnsub
	}
	msg := BatchExecuteMessage{BatchNo: batchNo, BatchType: batchType}
	if err := publisher.PublishBatch(ctx, msg); err != nil {
		g.Log().Errorf(ctx, "unsub batch async publish failed, batchNo=%s, batchType=%d, tenantId=%s, error=%+v",
			batchNo, batchType, contexts.GetTenantId(ctx), err)
	}
}

func operatorContext(ctx context.Context) batchimport.OperatorContext {
	return batchimport.OperatorContext{
		TenantId: contexts.GetTenantId(ctx),
		DeptId:   contexts.GetDeptId(ctx),
		UserId:   contexts.GetUserId(ctx),
	}
}