package main

import (
	"context"
	"fmt"
	"net/http"
	"time"

	"github.com/spf13/cobra"
)

func newHealthcheckCmd() *cobra.Command {
	var port int

	cmd := &cobra.Command{
		Use:    "healthcheck",
		Short:  "Check the scheduler health endpoint",
		Hidden: true,
		RunE: func(cmd *cobra.Command, args []string) error {
			ctx, cancel := context.WithTimeout(cmd.Context(), 3*time.Second)
			defer cancel()

			url := fmt.Sprintf("http://127.0.0.1:%d/healthz", port)
			request, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
			if err != nil {
				return fmt.Errorf("build health request: %w", err)
			}

			response, err := http.DefaultClient.Do(request)
			if err != nil {
				return fmt.Errorf("health request failed: %w", err)
			}
			defer response.Body.Close()

			if response.StatusCode != http.StatusOK {
				return fmt.Errorf("health check returned status %d", response.StatusCode)
			}
			return nil
		},
	}

	cmd.Flags().IntVar(&port, "port", 8080, "Health check server port")

	return cmd
}
