package main

import "testing"

// TestNewEnemyShip_roomCount verifies that NewEnemyShip returns exactly 5 rooms.
func TestNewEnemyShip_roomCount(t *testing.T) {
	enemy := NewEnemyShip()
	if len(enemy.Rooms) != 5 {
		t.Fatalf("expected 5 rooms, got %d", len(enemy.Rooms))
	}
}

// TestNewEnemyShip_shifted verifies that each enemy room has GridX shifted by +24
// relative to the corresponding player room, while GridY/GridW/GridH/Role/Name
// are unchanged.
func TestNewEnemyShip_shifted(t *testing.T) {
	player := NewPlayerShip()
	enemy := NewEnemyShip()

	if len(enemy.Rooms) != len(player.Rooms) {
		t.Fatalf("room count mismatch: enemy %d, player %d", len(enemy.Rooms), len(player.Rooms))
	}

	for i := range player.Rooms {
		p := player.Rooms[i]
		e := enemy.Rooms[i]

		wantGridX := p.GridX + 24
		if e.GridX != wantGridX {
			t.Errorf("rooms[%d] GridX = %d, want %d (player %d + 24)", i, e.GridX, wantGridX, p.GridX)
		}
		if e.GridY != p.GridY {
			t.Errorf("rooms[%d] GridY = %d, want %d", i, e.GridY, p.GridY)
		}
		if e.GridW != p.GridW {
			t.Errorf("rooms[%d] GridW = %d, want %d", i, e.GridW, p.GridW)
		}
		if e.GridH != p.GridH {
			t.Errorf("rooms[%d] GridH = %d, want %d", i, e.GridH, p.GridH)
		}
		if e.Role != p.Role {
			t.Errorf("rooms[%d] Role = %v, want %v", i, e.Role, p.Role)
		}
		if e.Name != p.Name {
			t.Errorf("rooms[%d] Name = %q, want %q", i, e.Name, p.Name)
		}
	}
}