package cmd

import (
	"fmt"

	"github.com/spf13/cobra"
)

var serverCmd = &cobra.Command{
	Use:   "server",
	Short: "Manage cloud servers",
}

var serverListCmd = &cobra.Command{
	Use:   "list",
	Short: "List servers",
	RunE: func(cmd *cobra.Command, args []string) error {
		svc := prov.Server()
		if svc == nil {
			return fmt.Errorf("server management not supported by current provider")
		}
		servers, err := svc.List(cmd.Context())
		if err != nil {
			return err
		}
		if flagRaw {
			var raw []any
			for _, s := range servers {
				raw = append(raw, s.Raw)
			}
			return out.Print(raw)
		}
		return out.Print(servers)
	},
}

var serverGetCmd = &cobra.Command{
	Use:   "get <id>",
	Short: "Get server details",
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		svc := prov.Server()
		if svc == nil {
			return fmt.Errorf("server management not supported")
		}
		s, err := svc.Get(cmd.Context(), args[0])
		if err != nil {
			return err
		}
		if flagRaw {
			return out.Print(s.Raw)
		}
		return out.Print(s)
	},
}

var serverStartCmd = &cobra.Command{
	Use:   "start <id>",
	Short: "Start a server",
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		svc := prov.Server()
		if svc == nil {
			return fmt.Errorf("server management not supported")
		}
		if err := svc.Start(cmd.Context(), args[0]); err != nil {
			return err
		}
		fmt.Printf("Server %s started\n", args[0])
		return nil
	},
}

var serverStopCmd = &cobra.Command{
	Use:   "stop <id>",
	Short: "Stop a server",
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		svc := prov.Server()
		if svc == nil {
			return fmt.Errorf("server management not supported")
		}
		if err := svc.Stop(cmd.Context(), args[0]); err != nil {
			return err
		}
		fmt.Printf("Server %s stopped\n", args[0])
		return nil
	},
}

var serverRebootCmd = &cobra.Command{
	Use:   "reboot <id>",
	Short: "Reboot a server",
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		svc := prov.Server()
		if svc == nil {
			return fmt.Errorf("server management not supported")
		}
		if err := svc.Reboot(cmd.Context(), args[0]); err != nil {
			return err
		}
		fmt.Printf("Server %s rebooted\n", args[0])
		return nil
	},
}

var serverReinstallCmd = &cobra.Command{
	Use:   "reinstall <id>",
	Short: "Reinstall server OS",
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		svc := prov.Server()
		if svc == nil {
			return fmt.Errorf("server management not supported")
		}
		osTemplate, _ := cmd.Flags().GetString("os")
		if osTemplate == "" {
			return fmt.Errorf("--os flag is required (e.g. --os ubuntu-22.04)")
		}
		if err := svc.Reinstall(cmd.Context(), args[0], osTemplate); err != nil {
			return err
		}
		fmt.Printf("Server %s reinstalling with %s\n", args[0], osTemplate)
		return nil
	},
}

var serverResetPasswordCmd = &cobra.Command{
	Use:   "reset-password <id>",
	Short: "Reset server password",
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		svc := prov.Server()
		if svc == nil {
			return fmt.Errorf("server management not supported")
		}
		if err := svc.ResetPassword(cmd.Context(), args[0]); err != nil {
			return err
		}
		fmt.Printf("Password reset for server %s\n", args[0])
		return nil
	},
}

var serverVNCCmd = &cobra.Command{
	Use:   "vnc <id>",
	Short: "Get VNC connection URL",
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		svc := prov.Server()
		if svc == nil {
			return fmt.Errorf("server management not supported")
		}
		url, err := svc.GetVNC(cmd.Context(), args[0])
		if err != nil {
			return err
		}
		fmt.Println(url)
		return nil
	},
}

func init() {
	serverReinstallCmd.Flags().String("os", "", "OS template name (required)")
	serverReinstallCmd.MarkFlagRequired("os")

	serverCmd.AddCommand(serverListCmd)
	serverCmd.AddCommand(serverGetCmd)
	serverCmd.AddCommand(serverStartCmd)
	serverCmd.AddCommand(serverStopCmd)
	serverCmd.AddCommand(serverRebootCmd)
	serverCmd.AddCommand(serverReinstallCmd)
	serverCmd.AddCommand(serverResetPasswordCmd)
	serverCmd.AddCommand(serverVNCCmd)
	rootCmd.AddCommand(serverCmd)
}