package server

import (
	"fmt"

	"git.yoresee.cc/nightstar/ry/internal/output"
	"git.yoresee.cc/nightstar/ry/internal/provider"

	"github.com/spf13/cobra"
)

func Cmd(prov *provider.Provider, out **output.Printer, raw *bool) *cobra.Command {
	serverCmd := &cobra.Command{
		Use:   "server",
		Short: "Manage cloud servers",
	}

	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 *raw {
				var r []any
				for _, s := range servers {
					r = append(r, s.Raw)
				}
				return (*out).Print(r)
			}
			return (*out).Print(servers)
		},
	}

	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 *raw {
				return (*out).Print(s.Raw)
			}
			return (*out).Print(s)
		},
	}

	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
		},
	}

	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
		},
	}

	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
		},
	}

	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
		},
	}

	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
		},
	}

	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
		},
	}

	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)

	return serverCmd
}