package game

import (
	"testing"

	"golang.org/x/exp/slices"
)

func TestKingGame(t *testing.T) {
	s := NewLocalState()
	s.SetMap(newEmpty2x2Map())
	s._map.WinCondition = KingGame
	p := s.AddNewPlayer("p", NewDeck())
	k1 := s.addNewUnit(NewCard("misc/king"), Position{0, 0}, p)
	o := s.AddNewPlayer("o", NewDeck())
	k2 := s.addNewUnit(NewCard("misc/king"), Position{1, 1}, o)

	w := s._map.WinCondition.check(s)
	if len(w) != 0 {
		t.Fatal("winners declared with two kings")
	}

	s.destroyPermanent(k2)
	w = s._map.WinCondition.check(s)
	if len(w) != 1 {
		t.Fatal("winner not declared", w)
	}
	if w[0] != p {
		t.Fatal("p is not the winner", w)
	}

	s.destroyPermanent(k1)
	w = s._map.WinCondition.check(s)
	if len(w) != 2 {
		t.Fatal("winners not declared", w)
	}
	if !slices.Contains(w, p) || !slices.Contains(w, o) {
		t.Fatal("p or o is not a winner", w)
	}
}