// feh's Go tools bundle (novox/hq ADR 0188, ADR 0193, ADR 0208): the wallpaper's tools, served by the
// node's runtime as the operator account.
package main

import (
	"fmt"
	"os"

	stdio "git.novox.be/novox/mesh-sdk/go"
)

func main() {
	if err := stdio.Serve("", tools()); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
}

func tools() []stdio.Tool {
	return []stdio.Tool{
		{
			Name: "feh_set",
			Description: "Set the wallpaper in the operator's session: one image for every monitor, or one per " +
				"monitor in the X screen order, filled, centred, scaled to fit, stretched or tiled. Lasts until the " +
				"next session start, when the declared wallpaper returns; the declared one is untouched.",
			Input: map[string]any{
				"type": "object",
				"properties": map[string]any{
					"images": map[string]any{"type": "array", "items": map[string]any{"type": "string"}, "description": "image files on this machine, absolute or under the account's home; one per monitor, or one for all"},
					"mode":   map[string]any{"type": "string", "enum": modes, "description": "default fill"},
				},
				"required": []string{"images"},
			},
			Run: func(args map[string]any) (any, error) {
				images, err := texts(args, "images")
				if err != nil {
					return nil, err
				}
				mode, err := text(args, "mode", false)
				if err != nil {
					return nil, err
				}
				return Set(images, mode)
			},
		},
		{
			Name: "feh_current",
			Description: "The wallpaper: the declared one the session start sets (images and mode, read from " +
				"~/.fehbg), and the one feh_set put up in this session, if any.",
			Run: func(map[string]any) (any, error) { return Current() },
		},
	}
}