package theme_test

import (
	"fmt"

	"codeberg.org/turbo-editors/turbo-core/theme"
)

// Reading a style out of a theme, and the fallback that makes a partial theme
// usable.
func ExampleTheme_Style() {
	th, err := theme.Parse([]byte(`
		name = "Minimal"
		[colors]
		default = { fg = "white", bg = "navy" }
		syntax  = { fg = "aqua" }
	`), "")
	if err != nil {
		panic(err)
	}

	// "syntax.keyword" is not set, so the lookup walks up to "syntax".
	fg, bg, _ := th.Style(theme.KeySyntaxKeyword).Decompose()
	fmt.Println(fg, bg)

	// Nothing matches "menu.bar" at all, so it lands on "default".
	fg, _, _ = th.Style(theme.KeyMenuBar).Decompose()
	fmt.Println(fg)
	// Output:
	// aqua navy
	// white
}

// Listing what the user can choose from in the Options menu. The directory is
// where the user's own themes live; "" offers the embedded ones alone.
func ExampleAvailable() {
	for _, name := range theme.Available("") {
		th, err := theme.Load(name, "")
		if err != nil {
			continue
		}
		fmt.Printf("%s — %s\n", name, th.Name())
	}
}