package game

import (
	"os"
	"path/filepath"
	"testing"

	"thehouseoficarus/internal/player"
)

// TestRoomAddMobReconcilesLiveState: the in-game room editor used to write the
// YAML but leave the live room untouched, so an added mob did not appear until
// the room was re-entered or the server restarted. A successful room edit must
// reconcile runtime state like the admin editor does.
func TestRoomAddMobReconcilesLiveState(t *testing.T) {
	dir := t.TempDir()
	for _, sub := range []string{"mobs", "rooms"} {
		if err := os.MkdirAll(filepath.Join(dir, sub), 0755); err != nil {
			t.Fatal(err)
		}
	}
	if err := os.WriteFile(filepath.Join(dir, "mobs", "rat.yaml"),
		[]byte("id: rat\nname: giant rat\ndescription: A scruffy rat.\ncombat:\n  stats:\n    hp: 5\n"), 0644); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(filepath.Join(dir, "rooms", "1.yaml"),
		[]byte("name: Central\n"), 0644); err != nil {
		t.Fatal(err)
	}

	g := newRemoveGame(t, dir)
	sess := newRemoveSession(player.New("alice"))
	sess.Player.RoomID = 1

	if got := len(g.MobStore.MobsInRoom(1)); got != 0 {
		t.Fatalf("room should start with no mobs, got %d", got)
	}
	g.roomAddMob(sess, []string{"rat"})
	if got := len(g.MobStore.MobsInRoom(1)); got != 1 {
		t.Fatalf("room addmob did not reconcile live state: %d mobs in room, want 1", got)
	}
	for _, m := range g.MobStore.MobsInRoom(1) {
		if m.DefID != "rat" {
			t.Fatalf("seeded mob DefID = %q, want rat", m.DefID)
		}
	}
}