use verbatim::ai::GameSession;
use verbatim::ai::AiAction;

fn setup_empty() -> GameSession {
    let mut s = GameSession::new_seeded(42);
    s.init_empty();
    s.clear_area(95, 95, 40, 40);
    s
}

#[test]
fn acid_dissolves_wood() {
    let mut s = setup_empty();
    s.perform_action(&AiAction::FillRect { x: 100, y: 120, w: 10, h: 1, material: "stone".into() });
    s.perform_action(&AiAction::SetCell { x: 104, y: 118, material: "wood".into() });
    s.perform_action(&AiAction::SetCell { x: 105, y: 119, material: "acid".into() });
    s.perform_action(&AiAction::SetCell { x: 104, y: 119, material: "acid".into() });
    s.step(30);
    assert_ne!(s.get_cell(104, 118).material, "wood", "acid should have dissolved the wood");
}

#[test]
fn acid_does_not_dissolve_stone() {
    let mut s = setup_empty();
    s.perform_action(&AiAction::SetCell { x: 105, y: 110, material: "stone".into() });
    s.perform_action(&AiAction::SetCell { x: 105, y: 111, material: "acid".into() });
    s.step(20);
    assert_eq!(s.get_cell(105, 110).material, "stone", "acid should not dissolve stone");
}

#[test]
fn acid_flows_down() {
    let mut s = setup_empty();
    s.perform_action(&AiAction::FillRect { x: 100, y: 120, w: 10, h: 1, material: "stone".into() });
    s.perform_action(&AiAction::SetCell { x: 105, y: 105, material: "acid".into() });
    s.step(20);
    assert_ne!(s.get_cell(105, 105).material, "acid", "acid should have flowed down from y=105");
}