//go:build unix && (!darwin)
package registrar

import "os"
import "log"
import "git.tebibyte.media/tomo/tomo"
import "git.tebibyte.media/tomo/backend/x"
import "git.tebibyte.media/tomo/nasin/internal/icons/xdg"
import "git.tebibyte.media/tomo/nasin/internal/style/tss"
import "git.tebibyte.media/tomo/nasin/internal/icons/fallback"
import "git.tebibyte.media/tomo/nasin/internal/style/fallback"

func RegisterBackend () error {
	tomo.Register(1, x.New)
	return nil
}

func SetTheme () error {
	// TODO eventually get rid of this when we make a file format for
	// storing visual styles
	styleSheetName := os.Getenv("TOMO_STYLE_SHEET")
	if styleSheetName != "" {
		styl, _, err := tss.LoadFile(styleSheetName)
		if err == nil {
			tomo.SetStyle(styl)
		} else {
			log.Printf("nasin: could not load style sheet '%s': %v", styleSheetName, err)
		}
	}
	
	styl, _ := fallbackStyle.New()
	tomo.SetStyle(styl)
	return nil
}

func SetIconSet () error {
	iconSet := fallbackIcons.New()
	iconSetName := os.Getenv("TOMO_XDG_ICON_THEME")
	if iconSetName != "" {
		xdgIconSet, err := xdgIcons.FindThemeWarn(iconSetName, iconSet)
		if err == nil {
			iconSet = xdgIconSet
		} else {
			log.Printf("nasin: could not load icon theme '%s': %v", iconSetName, err)
		}
	}
	
	tomo.SetIconSet(iconSet)
	return nil
}