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use crate::core::logic::*;

const TEST_CARDS: &str = r#"{

    "member_db": {

        "0": {

            "card_id": 0,

            "card_no": "TEST-001",

            "name": "Test Member",

            "cost": 0,

            "hearts": [0, 0, 0, 0, 0, 0, 0],

            "blade_hearts": [0, 0, 0, 0, 0, 0, 0],

            "blades": 0,

            "groups": [],

            "units": [],

            "abilities": [],

            "rare": "R",

            "volume_icons": 0,

            "draw_icons": 0

        }

    },

    "live_db": {}

}"#;

#[test]
fn test_baton_pass_restriction() {
    let db = CardDatabase::from_json(TEST_CARDS).unwrap();
    let mut state = GameState {
        core: CoreGameState {
            players: [
                PlayerState {
                    player_id: 0,
                    hand: vec![0, 0].into(), // Two test members
                    deck: vec![0].into(),    // Non-empty deck to avoid Terminal
                    ..PlayerState::default()
                },
                PlayerState {
                    player_id: 1,
                    deck: vec![0].into(), // Non-empty deck to avoid Terminal
                    ..PlayerState::default()
                },
            ],
            phase: Phase::Main,
            ..CoreGameState::default()
        },
        ..GameState::default()
    };

    // 1. First play to slot 0 should succeed
    state
        .play_member(&db, 0, 0)
        .expect("First play should succeed");
    assert_eq!(state.players[0].stage[0], 0);
    assert!(state.players[0].is_moved(0));

    // 2. Second play (Baton Pass) to the SAME slot in the SAME turn should fail (Rule 9.6.2.1.2.1)
    let result = state.play_member(&db, 0, 0);
    assert!(
        result.is_err(),
        "Second play to same slot should fail this turn"
    );
    assert_eq!(
        result.unwrap_err(),
        "Already played/moved to this slot this turn"
    );

    // 3. get_legal_actions_into should also mask out slot 0
    let mut mask = vec![false; 2000];
    state.get_legal_actions_into(&db, 0, &mut mask);

    // Action ID for hand_idx 0, slot 0
    let aid_0 = (ACTION_BASE_HAND + 0 * 3 + 0) as usize;
    assert!(
        !mask[aid_0],
        "Play to slot 0 should be masked out in legal actions"
    );

    // Action ID for hand_idx 0, slot 1
    let aid_1 = (ACTION_BASE_HAND + 0 * 3 + 1) as usize;
    assert!(mask[aid_1], "Play to slot 1 should still be legal");

    // 4. End turn and start new turn
    state.end_main_phase(&db); // This advances to next player's Active phase (if first player)

    // Fast forward back to Player 0's Main Phase
    state.current_player = 0;
    state.phase = Phase::Main;
    state.players[0].untap_all(false); // This should reset moved_members_this_turn

    assert!(!state.players[0].is_moved(0));

    // 5. Now Baton Pass to slot 0 should be legal
    state.get_legal_actions_into(&db, 0, &mut mask);
    assert!(
        mask[aid_0],
        "Play to slot 0 should be legal in the next turn"
    );

    state
        .play_member(&db, 0, 0)
        .expect("Baton pass in next turn should succeed");
    assert_eq!(state.players[0].baton_touch_count, 1);
}