/**
 * 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 {
  assertAccountExists,
  assertAccountsExist,
  combineCodec,
  decodeAccount,
  fetchEncodedAccount,
  fetchEncodedAccounts,
  fixDecoderSize,
  fixEncoderSize,
  getAddressDecoder,
  getAddressEncoder,
  getArrayDecoder,
  getArrayEncoder,
  getBytesDecoder,
  getBytesEncoder,
  getI64Decoder,
  getI64Encoder,
  getStructDecoder,
  getStructEncoder,
  getU64Decoder,
  getU64Encoder,
  getU8Decoder,
  getU8Encoder,
  transformEncoder,
  type Account,
  type Address,
  type Codec,
  type Decoder,
  type EncodedAccount,
  type Encoder,
  type FetchAccountConfig,
  type FetchAccountsConfig,
  type MaybeAccount,
  type MaybeEncodedAccount,
  type ReadonlyUint8Array,
} from '@solana/kit';
import { EncounterCommitSeeds, findEncounterCommitPda } from '../pdas';
import {
  getMinorFactionIdDecoder,
  getMinorFactionIdEncoder,
  getRegionIdDecoder,
  getRegionIdEncoder,
  type MinorFactionId,
  type MinorFactionIdArgs,
  type RegionId,
  type RegionIdArgs,
} from '../types';

export const ENCOUNTER_COMMIT_DISCRIMINATOR = new Uint8Array([
  241, 110, 50, 27, 147, 35, 0, 218,
]);

export function getEncounterCommitDiscriminatorBytes() {
  return fixEncoderSize(getBytesEncoder(), 8).encode(
    ENCOUNTER_COMMIT_DISCRIMINATOR,
  );
}

/**
 * Per-character commit tracker for the two-phase encounter reveal (Option B — migration-safe; this
 * avoids touching the core `Fleet` account, which is a non-singleton `#[unsized_type]` with no spare
 * pad). Created once per character via `OpenEncounterTracking`; a scan that arms an encounter stamps
 * `commit_slot` + `region_id` + the triggering `fleet` here. The reveal reads it, draws the contents
 * from a *later* slot's hash, and clears it. One pending encounter per character at a time — a
 * subsequent scan overwrites the prior pending commit (reinforces the anti-multi-fleet design).
 */
export type EncounterCommit = {
  discriminator: ReadonlyUint8Array;
  version: number;
  bump: number;
  gameId: Address;
  /** The owning character (also the scoping seed). */
  character: Address;
  /** The fleet that armed the current pending commit (`None` when empty). */
  fleet: Address;
  /** The slot of the arming scan. The reveal must consume a slot hash strictly later than this. */
  commitSlot: bigint;
  /** The region pinned at scan time (resolved from the fleet's location). */
  regionId: RegionId;
  /** `STATUS_EMPTY` (0) or `STATUS_PENDING` (1). */
  status: number;
  /**
   * The exact sector where the encounter armed (the scanning fleet's location). Copied onto the market
   * at reveal; trading requires a fleet idle AT this sector.
   */
  location: Array<bigint>;
  /**
   * The minor faction PINNED at scan time — the `(region, faction)` pool the player committed to BEFORE
   * the reveal's future hash existed. Reveal requires the supplied pool's `minor_faction` to equal this,
   * so the faction can't be steered after the entropy is knowable. `Default` (0) when the commit is empty.
   */
  minorFaction: MinorFactionId;
  /** Tail-append room for additive growth. */
  reserved: Array<number>;
};

export type EncounterCommitArgs = {
  version: number;
  bump: number;
  gameId: Address;
  /** The owning character (also the scoping seed). */
  character: Address;
  /** The fleet that armed the current pending commit (`None` when empty). */
  fleet: Address;
  /** The slot of the arming scan. The reveal must consume a slot hash strictly later than this. */
  commitSlot: number | bigint;
  /** The region pinned at scan time (resolved from the fleet's location). */
  regionId: RegionIdArgs;
  /** `STATUS_EMPTY` (0) or `STATUS_PENDING` (1). */
  status: number;
  /**
   * The exact sector where the encounter armed (the scanning fleet's location). Copied onto the market
   * at reveal; trading requires a fleet idle AT this sector.
   */
  location: Array<number | bigint>;
  /**
   * The minor faction PINNED at scan time — the `(region, faction)` pool the player committed to BEFORE
   * the reveal's future hash existed. Reveal requires the supplied pool's `minor_faction` to equal this,
   * so the faction can't be steered after the entropy is knowable. `Default` (0) when the commit is empty.
   */
  minorFaction: MinorFactionIdArgs;
  /** Tail-append room for additive growth. */
  reserved: Array<number>;
};

/** Gets the encoder for {@link EncounterCommitArgs} account data. */
export function getEncounterCommitEncoder(): Encoder<EncounterCommitArgs> {
  return transformEncoder(
    getStructEncoder([
      ['discriminator', fixEncoderSize(getBytesEncoder(), 8)],
      ['version', getU8Encoder()],
      ['bump', getU8Encoder()],
      ['gameId', getAddressEncoder()],
      ['character', getAddressEncoder()],
      ['fleet', getAddressEncoder()],
      ['commitSlot', getU64Encoder()],
      ['regionId', getRegionIdEncoder()],
      ['status', getU8Encoder()],
      ['location', getArrayEncoder(getI64Encoder(), { size: 2 })],
      ['minorFaction', getMinorFactionIdEncoder()],
      ['reserved', getArrayEncoder(getU8Encoder())],
    ]),
    (value) => ({ ...value, discriminator: ENCOUNTER_COMMIT_DISCRIMINATOR }),
  );
}

/** Gets the decoder for {@link EncounterCommit} account data. */
export function getEncounterCommitDecoder(): Decoder<EncounterCommit> {
  return getStructDecoder([
    ['discriminator', fixDecoderSize(getBytesDecoder(), 8)],
    ['version', getU8Decoder()],
    ['bump', getU8Decoder()],
    ['gameId', getAddressDecoder()],
    ['character', getAddressDecoder()],
    ['fleet', getAddressDecoder()],
    ['commitSlot', getU64Decoder()],
    ['regionId', getRegionIdDecoder()],
    ['status', getU8Decoder()],
    ['location', getArrayDecoder(getI64Decoder(), { size: 2 })],
    ['minorFaction', getMinorFactionIdDecoder()],
    ['reserved', getArrayDecoder(getU8Decoder())],
  ]);
}

/** Gets the codec for {@link EncounterCommit} account data. */
export function getEncounterCommitCodec(): Codec<
  EncounterCommitArgs,
  EncounterCommit
> {
  return combineCodec(getEncounterCommitEncoder(), getEncounterCommitDecoder());
}

export function decodeEncounterCommit<TAddress extends string = string>(
  encodedAccount: EncodedAccount<TAddress>,
): Account<EncounterCommit, TAddress>;
export function decodeEncounterCommit<TAddress extends string = string>(
  encodedAccount: MaybeEncodedAccount<TAddress>,
): MaybeAccount<EncounterCommit, TAddress>;
export function decodeEncounterCommit<TAddress extends string = string>(
  encodedAccount: EncodedAccount<TAddress> | MaybeEncodedAccount<TAddress>,
):
  | Account<EncounterCommit, TAddress>
  | MaybeAccount<EncounterCommit, TAddress> {
  return decodeAccount(
    encodedAccount as MaybeEncodedAccount<TAddress>,
    getEncounterCommitDecoder(),
  );
}

export async function fetchEncounterCommit<TAddress extends string = string>(
  rpc: Parameters<typeof fetchEncodedAccount>[0],
  address: Address<TAddress>,
  config?: FetchAccountConfig,
): Promise<Account<EncounterCommit, TAddress>> {
  const maybeAccount = await fetchMaybeEncounterCommit(rpc, address, config);
  assertAccountExists(maybeAccount);
  return maybeAccount;
}

export async function fetchMaybeEncounterCommit<
  TAddress extends string = string,
>(
  rpc: Parameters<typeof fetchEncodedAccount>[0],
  address: Address<TAddress>,
  config?: FetchAccountConfig,
): Promise<MaybeAccount<EncounterCommit, TAddress>> {
  const maybeAccount = await fetchEncodedAccount(rpc, address, config);
  return decodeEncounterCommit(maybeAccount);
}

export async function fetchAllEncounterCommit(
  rpc: Parameters<typeof fetchEncodedAccounts>[0],
  addresses: Array<Address>,
  config?: FetchAccountsConfig,
): Promise<Account<EncounterCommit>[]> {
  const maybeAccounts = await fetchAllMaybeEncounterCommit(
    rpc,
    addresses,
    config,
  );
  assertAccountsExist(maybeAccounts);
  return maybeAccounts;
}

export async function fetchAllMaybeEncounterCommit(
  rpc: Parameters<typeof fetchEncodedAccounts>[0],
  addresses: Array<Address>,
  config?: FetchAccountsConfig,
): Promise<MaybeAccount<EncounterCommit>[]> {
  const maybeAccounts = await fetchEncodedAccounts(rpc, addresses, config);
  return maybeAccounts.map((maybeAccount) =>
    decodeEncounterCommit(maybeAccount),
  );
}

export async function fetchEncounterCommitFromSeeds(
  rpc: Parameters<typeof fetchEncodedAccount>[0],
  seeds: EncounterCommitSeeds,
  config: FetchAccountConfig & { programAddress?: Address } = {},
): Promise<Account<EncounterCommit>> {
  const maybeAccount = await fetchMaybeEncounterCommitFromSeeds(
    rpc,
    seeds,
    config,
  );
  assertAccountExists(maybeAccount);
  return maybeAccount;
}

export async function fetchMaybeEncounterCommitFromSeeds(
  rpc: Parameters<typeof fetchEncodedAccount>[0],
  seeds: EncounterCommitSeeds,
  config: FetchAccountConfig & { programAddress?: Address } = {},
): Promise<MaybeAccount<EncounterCommit>> {
  const { programAddress, ...fetchConfig } = config;
  const [address] = await findEncounterCommitPda(seeds, { programAddress });
  return await fetchMaybeEncounterCommit(rpc, address, fetchConfig);
}