package consolekit

import (
	"strings"
	"testing"
)

// TestPrintAboveHook: without a registered printer PrintAbove reports
// false; with one it forwards the text and its answer; SetPrintAbove(nil)
// removes it again.
func TestPrintAboveHook(t *testing.T) {
	t.Cleanup(func() { SetPrintAbove(nil) })
	SetPrintAbove(nil)
	if PrintAbove("x") {
		t.Fatal("PrintAbove without a printer reported true")
	}
	var got []string
	SetPrintAbove(func(s string) bool {
		got = append(got, s)
		return true
	})
	if !PrintAbove("line") || strings.Join(got, ",") != "line" {
		t.Fatalf("PrintAbove with a printer: got %q", got)
	}
	SetPrintAbove(nil)
	if PrintAbove("again") || len(got) != 1 {
		t.Fatalf("PrintAbove after SetPrintAbove(nil): got %q", got)
	}
}

// TestNormalizeAndArgs: Normalize caps the verbosity and lets Quiet imply
// NoInteraction; Args emits the flags bonfire forwards.
func TestNormalizeAndArgs(t *testing.T) {
	if g := Normalize(Globals{Verbosity: 9, Quiet: true}); g.Verbosity != MaxVerbosity || !g.NoInteraction {
		t.Errorf("Normalize = %+v", g)
	}
	if g := Normalize(Globals{Verbosity: -2}); g.Verbosity != 0 {
		t.Errorf("Normalize negative = %+v", g)
	}
	g := Globals{Verbosity: 2, Quiet: true, NoInteraction: true, Color: ColorNever, Env: "dev"}
	if got := strings.Join(g.Args(), " "); got != "-vv -q --no-ansi --env=dev" {
		t.Errorf("Args = %q", got)
	}
}