package app

import (
	"testing"

	"github.com/harrybrwn/patterm/internal/preset"
)

func TestTerminalLayoutWideUsesMainViewport(t *testing.T) {
	l := newTerminalLayout(120, 40)
	if !l.sidebarVisible {
		t.Fatal("wide layout should show sidebar")
	}
	if l.childCols() != 92 {
		t.Fatalf("child cols: got %d want 92", l.childCols())
	}
	if l.childRows() != 38 {
		t.Fatalf("child rows: got %d want 38", l.childRows())
	}
	if l.mainTop != 2 || l.statusRow != 40 {
		t.Fatalf("unexpected vertical chrome: mainTop=%d statusRow=%d", l.mainTop, l.statusRow)
	}
}

func TestTerminalLayoutNarrowHidesSidebar(t *testing.T) {
	l := newTerminalLayout(38, 12)
	if l.sidebarVisible {
		t.Fatal("narrow layout should hide sidebar")
	}
	if l.childCols() != 38 {
		t.Fatalf("child cols: got %d want 38", l.childCols())
	}
	if l.childRows() != 10 {
		t.Fatalf("child rows: got %d want 10", l.childRows())
	}
}

func TestTerminalLayoutTinyClampsChildSize(t *testing.T) {
	l := newTerminalLayout(0, 1)
	if l.childCols() != 1 || l.childRows() != 1 {
		t.Fatalf("child size: got %dx%d want 1x1", l.childCols(), l.childRows())
	}
}

func TestSpawnSizingUsesViewportDimensions(t *testing.T) {
	l := newTerminalLayout(120, 40)
	launcher := NewLauncher(nil, "", l.childCols(), l.childRows())
	cols, rows := launcher.size()
	if cols != 92 || rows != 38 {
		t.Fatalf("launcher size: got %dx%d want 92x38", cols, rows)
	}

	host := newToolHost(nil, nil, nil, preset.Set{}, nil, l.childCols(), l.childRows())
	cols, rows = host.size()
	if cols != 92 || rows != 38 {
		t.Fatalf("tool host size: got %dx%d want 92x38", cols, rows)
	}
}