package core_test

import (
	"testing"

	"github.com/bnema/neferwl/internal/ports"
)

func windowIn(set []ports.Scene, output string, id ports.WindowID) (ports.SceneWindow, bool) {
	for _, s := range set {
		if s.Output != output {
			continue
		}
		for _, w := range s.Windows {
			if w.ID == id && !w.Hidden {
				return w, true
			}
		}
	}
	return ports.SceneWindow{}, false
}

func TestFreeFloatKeepsPlaceAcrossMonitors(t *testing.T) {
	both(t, func(t *testing.T, animated bool) {
		r := startLanding(t, animated, func(c *ports.Config) { c.Layout.Gaps = 0 }, left, right)
		r.mapLanded(t, 1)
		r.mapLanded(t, 2)
		r.keyLanded(t, "space", ports.ModAlt|ports.ModShift)
		// Nudge left twice: 100 px left of centre on a 200 px output stops at
		// the edge.
		r.keyLanded(t, "Left", ports.ModAlt|ports.ModShift)
		set := r.keyLanded(t, "Left", ports.ModAlt|ports.ModShift)
		before, ok := windowIn(set, "DP-1", 2)
		if !ok || !before.Floating || before.Rect.X != 0 {
			t.Fatalf("%+v", before)
		}
		// The workspace moves to the 400x200 output: the centre keeps its
		// fractions of the usable area (1/4, 1/2), the size stays.
		set = r.keyLanded(t, "Right", ports.ModAlt|ports.ModCtrl|ports.ModShift)
		after, ok := windowIn(set, "DP-2", 2)
		if !ok || after.Rect.W != before.Rect.W || after.Rect.X+after.Rect.W/2 != 100 || after.Rect.Y+after.Rect.H/2 != 100 {
			t.Fatalf("%+v", after)
		}
	})
}