package main

import (
	"fmt"
	"os"

	"github.com/spf13/cobra"
)

var (
	Version   = "0.1.0"
	BuildTime = "unknown"
	GitCommit = "unknown"
)

func main() {
	rootCmd := &cobra.Command{
		Use:     "konduktorctl",
		Short:   "Konduktorctl - Service management CLI",
		Long:    `Konduktorctl is a CLI tool for managing Konduktor services.`,
		Version: fmt.Sprintf("%s (commit: %s, built: %s)", Version, GitCommit, BuildTime),
	}

	rootCmd.AddCommand(
		newUpCmd(),
		newDownCmd(),
		newStatusCmd(),
		newLogsCmd(),
		newHealthCmd(),
		newScaleCmd(),
		newConfigCmd(),
		newInitCmd(),
		newTopCmd(),
	)

	if err := rootCmd.Execute(); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
}

func newUpCmd() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "up [service...]",
		Short: "Start services",
		Long:  `Start one or more services. If no service is specified, all services are started.`,
		RunE: func(cmd *cobra.Command, args []string) error {
			fmt.Println("Starting services...")
			// TODO: Implement service start logic
			return nil
		},
	}
	cmd.Flags().BoolP("detach", "d", false, "Run in background")
	return cmd
}

func newDownCmd() *cobra.Command {
	return &cobra.Command{
		Use:   "down [service...]",
		Short: "Stop services",
		Long:  `Stop one or more services. If no service is specified, all services are stopped.`,
		RunE: func(cmd *cobra.Command, args []string) error {
			fmt.Println("Stopping services...")
			// TODO: Implement service stop logic
			return nil
		},
	}
}

func newStatusCmd() *cobra.Command {
	return &cobra.Command{
		Use:   "status [service...]",
		Short: "Show service status",
		Long:  `Show the status of one or more services.`,
		RunE: func(cmd *cobra.Command, args []string) error {
			fmt.Println("Service status:")
			// TODO: Implement status display logic
			return nil
		},
	}
}

func newLogsCmd() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "logs [service]",
		Short: "View service logs",
		Long:  `View logs for a specific service.`,
		RunE: func(cmd *cobra.Command, args []string) error {
			fmt.Println("Fetching logs...")
			// TODO: Implement logs viewing logic
			return nil
		},
	}
	cmd.Flags().BoolP("follow", "f", false, "Follow log output")
	cmd.Flags().IntP("tail", "n", 100, "Number of lines to show from the end")
	return cmd
}

func newHealthCmd() *cobra.Command {
	return &cobra.Command{
		Use:   "health",
		Short: "Check service health",
		Long:  `Check the health status of all services.`,
		RunE: func(cmd *cobra.Command, args []string) error {
			fmt.Println("Health check:")
			// TODO: Implement health check logic
			return nil
		},
	}
}

func newScaleCmd() *cobra.Command {
	return &cobra.Command{
		Use:   "scale <service>=<count>",
		Short: "Scale a service",
		Long:  `Scale a service to a specific number of instances.`,
		Args:  cobra.MinimumNArgs(1),
		RunE: func(cmd *cobra.Command, args []string) error {
			fmt.Printf("Scaling: %v\n", args)
			// TODO: Implement scaling logic
			return nil
		},
	}
}

func newConfigCmd() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "config",
		Short: "Manage configuration",
		Long:  `View and validate configuration.`,
	}

	cmd.AddCommand(&cobra.Command{
		Use:   "show",
		Short: "Show current configuration",
		RunE: func(cmd *cobra.Command, args []string) error {
			fmt.Println("Current configuration:")
			// TODO: Implement config show logic
			return nil
		},
	})

	cmd.AddCommand(&cobra.Command{
		Use:   "validate",
		Short: "Validate configuration file",
		RunE: func(cmd *cobra.Command, args []string) error {
			fmt.Println("Validating configuration...")
			// TODO: Implement config validation logic
			return nil
		},
	})

	return cmd
}

func newInitCmd() *cobra.Command {
	return &cobra.Command{
		Use:   "init",
		Short: "Initialize a new project",
		Long:  `Create a new Konduktor project with default configuration.`,
		RunE: func(cmd *cobra.Command, args []string) error {
			fmt.Println("Initializing new project...")
			// TODO: Implement init logic
			return nil
		},
	}
}

func newTopCmd() *cobra.Command {
	return &cobra.Command{
		Use:   "top",
		Short: "Display running processes",
		Long:  `Display real-time view of running processes and resource usage.`,
		RunE: func(cmd *cobra.Command, args []string) error {
			fmt.Println("Process monitor:")
			// TODO: Implement top-like display
			return nil
		},
	}
}