package cmd

import (
	"fmt"
	"log"
	"sync"

	"github.com/shiningrush/fastflow"
	"github.com/spf13/cobra"
	"github.com/tidbcloud/metrics-integration/global/internal/infrastructure/di"

	"github.com/tidbcloud/metrics-integration/global/internal/domain/workflow/action"
)

func init() {
	cmd := &cobra.Command{
		Use:   "workflow",
		Short: "start background workflow",
		Run: func(cmd *cobra.Command, args []string) {
			startWorkflow()
		},
	}
	rootCmd.AddCommand(cmd)
}

func startWorkflow() {
	// Register action
	action.RegisterAction()

	var wg sync.WaitGroup

	wg.Add(1)
	err := di.DiCall(func(workflowInitialOption *fastflow.InitialOption) {
		go func() {
			defer wg.Done()
			if err := fastflow.Start(workflowInitialOption); err != nil {
				panic(fmt.Sprintf("init fastflow failed: %s", err))
			}
		}()
	})
	if err != nil {
		log.Fatal(err)
	}
	wg.Wait()
}