pub mod achievement;
pub mod error;
pub mod game_state;
pub mod klondike_adapter;
pub mod scoring;
pub mod spider;

// Re-export the upstream types that cross the solitaire_core API boundary so
// downstream crates (engine, wasm) can import from one place without a direct
// `klondike` / `card_game` dep.
//
// `KlondikePileStack`, `SkipCards` and `TableauStack` are intentionally NOT
// re-exported — they are only used internally (in `klondike_adapter.rs` and
// when decoding instructions to piles in `instruction_to_piles`) and do not
// appear in any public method signature.
pub use card_game::{Card, Deck, Rank, SolveError, Suit};
pub use klondike::{
    DrawStockConfig, Foundation, Klondike, KlondikeInstruction, KlondikePile, Tableau,
};

// Solvability check API (delegates to `card_game::Session::solve`); replaces the
// former `solitaire_data::solver` wrapper module.
pub use game_state::{
    DEFAULT_SOLVE_MOVES_BUDGET, DEFAULT_SOLVE_STATES_BUDGET, SessionRecording, SolveOutcome,
};

// Spider rules (second `card_game::Game` implementation; engine UI is a
// later phase — nothing outside solitaire_core consumes these yet).
pub use spider::{
    RunLength, Spider, SpiderConfig, SpiderGameState, SpiderInstruction, SpiderIter, SpiderMove,
    SpiderScoring, SpiderStats, SpiderSuits, SpiderTableau,
};

/// All four foundation slots, in slot order.
///
/// Canonical iteration source for `Foundation` — upstream `klondike` has no
/// `Foundation::ALL` (unlike `Suit::SUITS` / `Rank::RANKS` in `card_game`),
/// and inherent impls cannot be added to a foreign type, so the workspace
/// const lives here. Use this instead of hand-rolling `[Foundation; 4]`
/// arrays; scattered copies can silently diverge.
pub const FOUNDATIONS: [Foundation; 4] = [
    Foundation::Foundation1,
    Foundation::Foundation2,
    Foundation::Foundation3,
    Foundation::Foundation4,
];

/// All seven tableau columns, in column order (left to right on screen).
///
/// Canonical iteration source for `Tableau` — see [`FOUNDATIONS`] for why
/// this lives here rather than upstream.
pub const TABLEAUS: [Tableau; 7] = [
    Tableau::Tableau1,
    Tableau::Tableau2,
    Tableau::Tableau3,
    Tableau::Tableau4,
    Tableau::Tableau5,
    Tableau::Tableau6,
    Tableau::Tableau7,
];

#[cfg(test)]
mod proptest_tests;