package hotkey

import "testing"

func TestParseAndFormat(t *testing.T) {
	cases := []struct {
		in   string
		want string
	}{
		{"Ctrl+Alt+G", "Ctrl+Alt+G"},
		{"  alt + shift + f5", "Alt+Shift+F5"},
		{"ctrl+1", "Ctrl+1"},
		{"win+space", "Win+Space"},
	}
	for _, c := range cases {
		got, err := Parse(c.in)
		if err != nil {
			t.Fatalf("Parse(%q): %v", c.in, err)
		}
		if Format(got) != c.want {
			t.Errorf("Parse+Format(%q) = %q, want %q", c.in, Format(got), c.want)
		}
	}
}

func TestParseRejectsMissingModifier(t *testing.T) {
	if _, err := Parse("G"); err == nil {
		t.Error("expected error for missing modifier")
	}
}

func TestParseRejectsUnknownKey(t *testing.T) {
	if _, err := Parse("Ctrl+banana"); err == nil {
		t.Error("expected error for unknown base key")
	}
}

func TestParseEmpty(t *testing.T) {
	if _, err := Parse("   "); err != ErrEmpty {
		t.Errorf("expected ErrEmpty, got %v", err)
	}
}