package sysevent

import (
	"bytes"
	"encoding/json"
	"fmt"

	"github.com/spf13/cobra"
	se "github.com/tmaxmax/go-sse"
	cliapi "gitlink.org.cn/cloudream/jcs-pub/client/sdk/api/v1"
	"gitlink.org.cn/cloudream/jcs-pub/jcsctl/cmd"
)

func init() {
	var opt watchOpt
	cmd := cobra.Command{
		Use:  "watch",
		Args: cobra.ExactArgs(0),
		RunE: func(c *cobra.Command, args []string) error {
			ctx := cmd.GetCmdCtx(c)
			return watch(c, ctx, opt, args)
		},
	}
	SysEventCmd.AddCommand(&cmd)
}

type watchOpt struct {
}

func watch(c *cobra.Command, ctx *cmd.CommandContext, opt watchOpt, args []string) error {
	resp, err := ctx.Client.SysEvent().Watch(cliapi.SysEventWatch{})
	if err != nil {
		return fmt.Errorf("begin watch : %v", err)
	}
	defer resp.Stream.Close()

	se.Read(resp.Stream, nil)(func(e se.Event, err error) bool {
		buf := bytes.NewBuffer(nil)
		json.Indent(buf, []byte(e.Data), "", "  ")
		fmt.Println(buf.String())
		return true
	})

	return nil
}