/**
 * This code was AUTOGENERATED using the Codama library.
 * Please DO NOT EDIT THIS FILE, instead use visitors
 * to add features, then rerun Codama to update it.
 *
 * @see https://github.com/codama-idl/codama
 */

import {
  combineCodec,
  getStructDecoder,
  getStructEncoder,
  getU32Decoder,
  getU32Encoder,
  getU64Decoder,
  getU64Encoder,
  getU8Decoder,
  getU8Encoder,
  type FixedSizeCodec,
  type FixedSizeDecoder,
  type FixedSizeEncoder,
} from '@solana/kit';
import {
  getCargoIdDecoder,
  getCargoIdEncoder,
  type CargoId,
  type CargoIdArgs,
} from '.';

/**
 * A single registered offer in a pool's envelope: one item the NPC may sell and/or buy.
 *
 * `side_flags` is a bitmask (not an [`OrderSide`](crate::state::OrderSide) enum) so the entry stays
 * `Pod`/zero-copy, exactly like `ScanLootEntry`: `bit0` = NPC sells to the player (Ask),
 * `bit1` = NPC buys from the player (Bid — the faucet leg, gated by `EncounterPool::faucet_enabled`).
 */
export type PoolOfferEntry = {
  /** The item this offer concerns (same id space as the cargo/market system). */
  cargoId: CargoId;
  /** Side bitmask: `SIDE_SELL` (NPC sells / Ask) and/or `SIDE_BUY` (NPC buys / Bid / faucet). */
  sideFlags: number;
  /**
   * Predefined price band, Atlas (Floyds). The concrete price is drawn in `[min, max]` at reveal.
   * A truly fixed price is the degenerate band `min == max`.
   */
  minPrice: bigint;
  maxPrice: bigint;
  /**
   * Per-spawn supply band (units). The concrete qty is drawn in `[min, max]`, then capped by the
   * treasury reserve and (at trade time) by the player's own fleet cargo.
   */
  minQty: bigint;
  maxQty: bigint;
  /**
   * Threshold gate over the reveal draw value (same semantics as `ScanLootEntry.threshold`):
   * the offer is eligible only when `threshold < value`. Enables "rare within the rare event" items.
   */
  threshold: number;
  /** Selection weight for the weighted draw (same domain as `ScanLootEntry.roll_weight`). */
  rollWeight: number;
};

export type PoolOfferEntryArgs = {
  /** The item this offer concerns (same id space as the cargo/market system). */
  cargoId: CargoIdArgs;
  /** Side bitmask: `SIDE_SELL` (NPC sells / Ask) and/or `SIDE_BUY` (NPC buys / Bid / faucet). */
  sideFlags: number;
  /**
   * Predefined price band, Atlas (Floyds). The concrete price is drawn in `[min, max]` at reveal.
   * A truly fixed price is the degenerate band `min == max`.
   */
  minPrice: number | bigint;
  maxPrice: number | bigint;
  /**
   * Per-spawn supply band (units). The concrete qty is drawn in `[min, max]`, then capped by the
   * treasury reserve and (at trade time) by the player's own fleet cargo.
   */
  minQty: number | bigint;
  maxQty: number | bigint;
  /**
   * Threshold gate over the reveal draw value (same semantics as `ScanLootEntry.threshold`):
   * the offer is eligible only when `threshold < value`. Enables "rare within the rare event" items.
   */
  threshold: number;
  /** Selection weight for the weighted draw (same domain as `ScanLootEntry.roll_weight`). */
  rollWeight: number;
};

export function getPoolOfferEntryEncoder(): FixedSizeEncoder<PoolOfferEntryArgs> {
  return getStructEncoder([
    ['cargoId', getCargoIdEncoder()],
    ['sideFlags', getU8Encoder()],
    ['minPrice', getU64Encoder()],
    ['maxPrice', getU64Encoder()],
    ['minQty', getU64Encoder()],
    ['maxQty', getU64Encoder()],
    ['threshold', getU32Encoder()],
    ['rollWeight', getU32Encoder()],
  ]);
}

export function getPoolOfferEntryDecoder(): FixedSizeDecoder<PoolOfferEntry> {
  return getStructDecoder([
    ['cargoId', getCargoIdDecoder()],
    ['sideFlags', getU8Decoder()],
    ['minPrice', getU64Decoder()],
    ['maxPrice', getU64Decoder()],
    ['minQty', getU64Decoder()],
    ['maxQty', getU64Decoder()],
    ['threshold', getU32Decoder()],
    ['rollWeight', getU32Decoder()],
  ]);
}

export function getPoolOfferEntryCodec(): FixedSizeCodec<
  PoolOfferEntryArgs,
  PoolOfferEntry
> {
  return combineCodec(getPoolOfferEntryEncoder(), getPoolOfferEntryDecoder());
}