package main

import (
	"encoding/json"
	"fmt"
	"os"

	"github.com/spf13/cobra"
	"netdome.biz/paul/impact-80/internal/device"
)

// version is set at build time via -ldflags.
var version = "dev"

var (
	targetDevice string
	targetZone   string
)

func newRootCommand() *cobra.Command {
	cmd := &cobra.Command{
		Use:           "qmk-rgb-tool",
		Short:         "QMK RGB CLI — control VIA-compatible keyboard lighting",
		SilenceErrors: true,
		SilenceUsage:  true,
	}
	cmd.PersistentFlags().StringVar(&targetDevice, "device", "", "HID device path to use")
	cmd.PersistentFlags().StringVar(&targetZone, "zone", "", "RGB lighting zone (logo, backlight, side)")
	cmd.PersistentPreRunE = func(*cobra.Command, []string) error {
		_, err := selectedZones()
		return err
	}
	return cmd
}

var rootCmd = newRootCommand()

func Execute() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
		os.Exit(1)
	}
}

func main() {
	Execute()
}

var keyboardCmd = &cobra.Command{
	Use:   "keyboard",
	Short: "Keyboard management commands",
}

var keyboardInfoCmd = &cobra.Command{
	Use:   "info",
	Short: "Discover connected VIA-compatible keyboards",
	Long:  "Scan for connected VIA-compatible keyboards and print device info as JSON.",
	Run: func(cmd *cobra.Command, args []string) {
		keyboards, err := device.LoadKeyboards()
		if err != nil {
			fmt.Fprintf(os.Stderr, "Error: %v\n", err)
			os.Exit(1)
		}

		devices, err := device.Discover(keyboards)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Error: %v\n", err)
			os.Exit(1)
		}

		if len(devices) == 0 {
			fmt.Println(`{"devices":[]}`)
			return
		}

		type Info struct {
			Devices []device.Device `json:"devices"`
			Total   int             `json:"total"`
		}
		out := Info{Devices: devices, Total: len(devices)}
		data, _ := json.MarshalIndent(out, "", "  ")
		fmt.Println(string(data))
	},
}

var keyboardListCmd = &cobra.Command{
	Use:   "list",
	Short: "List supported keyboards",
	Long:  "Print all keyboards from keyboards.json as JSON.",
	Run: func(cmd *cobra.Command, args []string) {
		keyboards, err := device.LoadKeyboards()
		if err != nil {
			fmt.Fprintf(os.Stderr, "Error: %v\n", err)
			os.Exit(1)
		}

		if len(keyboards) == 0 {
			fmt.Println(`{"keyboards":[]}`)
			return
		}

		type Info struct {
			Keyboards []device.Keyboard `json:"keyboards"`
			Total     int               `json:"total"`
		}
		out := Info{Keyboards: keyboards, Total: len(keyboards)}
		data, _ := json.MarshalIndent(out, "", "  ")
		fmt.Println(string(data))
	},
}

func init() {
	rootCmd.AddCommand(keyboardCmd)
	keyboardCmd.AddCommand(keyboardInfoCmd)
	keyboardCmd.AddCommand(keyboardListCmd)

	rootCmd.AddCommand(NewEnableCmd())
	rootCmd.AddCommand(NewDisableCmd())
	rootCmd.AddCommand(NewInfoCmd())
	rootCmd.AddCommand(NewEffectCmd())
	rootCmd.AddCommand(NewBrightnessCmd())
	rootCmd.AddCommand(NewSpeedCmd())
	rootCmd.AddCommand(NewColorCmd())
	rootCmd.AddCommand(NewModeCmd())
	rootCmd.AddCommand(NewProfileSaveCmd())
	rootCmd.AddCommand(NewProfileLoadCmd())
	rootCmd.AddCommand(NewProfileListCmd())
	rootCmd.AddCommand(NewProfileDeleteCmd())

	rootCmd.Version = version
	rootCmd.SetVersionTemplate("	qmk-rgb-tool {{.Version}}\n")
}