package game

import "testing"

// Regression (improvements.txt): a Crocodile set aside must still throw its
// last-pet volley when the enemy plays their final pet, even though the
// Crocodile's own side is already out of pets. Previously the "battle over"
// check fired first and swallowed the parting shot.
func TestCrocodileLastPetVolleyFiresWhenOwnerOut(t *testing.T) {
	g, _, _ := testGame(t)
	g.RollDie = func() int { return 2 } // 3 rocks -> 6 damage
	res := forceBattle(t, g,
		[]Card{g.pet("Killer", 4), g.pet("Last", 3)}, // seat 0 plays its last pet
		[]Card{g.realPet(t, "Crocodile")},            // seat 1's Croc faints, sets aside
	)
	// Killer trades with Crocodile (set aside). Seat 0 then plays its last pet,
	// and the Crocodile's 3 rocks (roll 6) pelt it dead — turning a win into a
	// mutual knockout.
	rocks := eventsOfType(res, "rock")
	if len(rocks) != 1 || rocks[0].Seat != 1 || rocks[0].Roll != 6 || !rocks[0].TargetDied {
		t.Fatalf("Crocodile should volley the last pet for 6: %+v", rocks)
	}
	if res.WinnerSeat != -1 {
		t.Fatalf("both sides should be out (draw), got winner %d", res.WinnerSeat)
	}
}

// Regression: a pair that can't hurt each other (two 0-attack pets, here
// Spooked down to nothing) must both faint so the pets behind them settle the
// battle. Previously the stalemate ended the whole battle in a draw, even with
// most of both decks still to come.
func TestStalematedPairFaintsAndBattleContinues(t *testing.T) {
	g, p1, _ := unicornGame(t)
	p1.Mana = 2
	res := forceBattle(t, g,
		// Nightcrawler (1 power) Spooks Barghest twice; Barghest (1 power)
		// Spooks it once. Neither can deal damage, but Pengobble is next up.
		[]Card{g.unicornPet(t, "Nightcrawler"), g.unicornPet(t, "Pengobble")},
		[]Card{g.unicornPet(t, "Barghest"), g.pet("Chaff", 1)},
	)
	clashes := eventsOfType(res, "clash")
	if len(clashes) != 1 || !clashes[0].Died[0] || !clashes[0].Died[1] {
		t.Fatalf("the stuck pair should both faint in one clash: %+v", clashes)
	}
	if res.WinnerSeat != 0 {
		t.Fatalf("Pengobble should go on to win for seat 0, got winner %d", res.WinnerSeat)
	}
}