/**
 * 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,
  fixDecoderSize,
  fixEncoderSize,
  getBytesDecoder,
  getBytesEncoder,
  getStructDecoder,
  getStructEncoder,
  getU64Decoder,
  getU64Encoder,
  transformEncoder,
  type AccountMeta,
  type AccountSignerMeta,
  type Address,
  type FixedSizeCodec,
  type FixedSizeDecoder,
  type FixedSizeEncoder,
  type Instruction,
  type InstructionWithAccounts,
  type InstructionWithData,
  type ReadonlySignerAccount,
  type ReadonlyUint8Array,
  type TransactionSigner,
  type WritableAccount,
} from "@solana/kit";
import { PERPETUALS_PROGRAM_ADDRESS } from "../programs";
import { getAccountMetaFactory, type ResolvedAccount } from "../shared";

export const SET_CUSTODY_GLOBAL_LIMIT_DISCRIMINATOR = new Uint8Array([
  94, 82, 154, 177, 193, 205, 141, 76,
]);

export function getSetCustodyGlobalLimitDiscriminatorBytes() {
  return fixEncoderSize(getBytesEncoder(), 8).encode(
    SET_CUSTODY_GLOBAL_LIMIT_DISCRIMINATOR,
  );
}

export type SetCustodyGlobalLimitInstruction<
  TProgram extends string = typeof PERPETUALS_PROGRAM_ADDRESS,
  TAccountKeeper extends string | AccountMeta<string> = string,
  TAccountCustody extends string | AccountMeta<string> = string,
  TRemainingAccounts extends readonly AccountMeta<string>[] = [],
> = Instruction<TProgram> &
  InstructionWithData<ReadonlyUint8Array> &
  InstructionWithAccounts<
    [
      TAccountKeeper extends string
        ? ReadonlySignerAccount<TAccountKeeper> &
            AccountSignerMeta<TAccountKeeper>
        : TAccountKeeper,
      TAccountCustody extends string
        ? WritableAccount<TAccountCustody>
        : TAccountCustody,
      ...TRemainingAccounts,
    ]
  >;

export type SetCustodyGlobalLimitInstructionData = {
  discriminator: ReadonlyUint8Array;
  maxGlobalLongSizes: bigint;
  maxGlobalShortSizes: bigint;
};

export type SetCustodyGlobalLimitInstructionDataArgs = {
  maxGlobalLongSizes: number | bigint;
  maxGlobalShortSizes: number | bigint;
};

export function getSetCustodyGlobalLimitInstructionDataEncoder(): FixedSizeEncoder<SetCustodyGlobalLimitInstructionDataArgs> {
  return transformEncoder(
    getStructEncoder([
      ["discriminator", fixEncoderSize(getBytesEncoder(), 8)],
      ["maxGlobalLongSizes", getU64Encoder()],
      ["maxGlobalShortSizes", getU64Encoder()],
    ]),
    (value) => ({
      ...value,
      discriminator: SET_CUSTODY_GLOBAL_LIMIT_DISCRIMINATOR,
    }),
  );
}

export function getSetCustodyGlobalLimitInstructionDataDecoder(): FixedSizeDecoder<SetCustodyGlobalLimitInstructionData> {
  return getStructDecoder([
    ["discriminator", fixDecoderSize(getBytesDecoder(), 8)],
    ["maxGlobalLongSizes", getU64Decoder()],
    ["maxGlobalShortSizes", getU64Decoder()],
  ]);
}

export function getSetCustodyGlobalLimitInstructionDataCodec(): FixedSizeCodec<
  SetCustodyGlobalLimitInstructionDataArgs,
  SetCustodyGlobalLimitInstructionData
> {
  return combineCodec(
    getSetCustodyGlobalLimitInstructionDataEncoder(),
    getSetCustodyGlobalLimitInstructionDataDecoder(),
  );
}

export type SetCustodyGlobalLimitInput<
  TAccountKeeper extends string = string,
  TAccountCustody extends string = string,
> = {
  keeper: TransactionSigner<TAccountKeeper>;
  custody: Address<TAccountCustody>;
  maxGlobalLongSizes: SetCustodyGlobalLimitInstructionDataArgs["maxGlobalLongSizes"];
  maxGlobalShortSizes: SetCustodyGlobalLimitInstructionDataArgs["maxGlobalShortSizes"];
};

export function getSetCustodyGlobalLimitInstruction<
  TAccountKeeper extends string,
  TAccountCustody extends string,
  TProgramAddress extends Address = typeof PERPETUALS_PROGRAM_ADDRESS,
>(
  input: SetCustodyGlobalLimitInput<TAccountKeeper, TAccountCustody>,
  config?: { programAddress?: TProgramAddress },
): SetCustodyGlobalLimitInstruction<
  TProgramAddress,
  TAccountKeeper,
  TAccountCustody
> {
  // Program address.
  const programAddress = config?.programAddress ?? PERPETUALS_PROGRAM_ADDRESS;

  // Original accounts.
  const originalAccounts = {
    keeper: { value: input.keeper ?? null, isWritable: false },
    custody: { value: input.custody ?? null, isWritable: true },
  };
  const accounts = originalAccounts as Record<
    keyof typeof originalAccounts,
    ResolvedAccount
  >;

  // Original args.
  const args = { ...input };

  const getAccountMeta = getAccountMetaFactory(programAddress, "programId");
  return Object.freeze({
    accounts: [
      getAccountMeta(accounts.keeper),
      getAccountMeta(accounts.custody),
    ],
    data: getSetCustodyGlobalLimitInstructionDataEncoder().encode(
      args as SetCustodyGlobalLimitInstructionDataArgs,
    ),
    programAddress,
  } as SetCustodyGlobalLimitInstruction<
    TProgramAddress,
    TAccountKeeper,
    TAccountCustody
  >);
}

export type ParsedSetCustodyGlobalLimitInstruction<
  TProgram extends string = typeof PERPETUALS_PROGRAM_ADDRESS,
  TAccountMetas extends readonly AccountMeta[] = readonly AccountMeta[],
> = {
  programAddress: Address<TProgram>;
  accounts: {
    keeper: TAccountMetas[0];
    custody: TAccountMetas[1];
  };
  data: SetCustodyGlobalLimitInstructionData;
};

export function parseSetCustodyGlobalLimitInstruction<
  TProgram extends string,
  TAccountMetas extends readonly AccountMeta[],
>(
  instruction: Instruction<TProgram> &
    InstructionWithAccounts<TAccountMetas> &
    InstructionWithData<ReadonlyUint8Array>,
): ParsedSetCustodyGlobalLimitInstruction<TProgram, TAccountMetas> {
  if (instruction.accounts.length < 2) {
    // TODO: Coded error.
    throw new Error("Not enough accounts");
  }
  let accountIndex = 0;
  const getNextAccount = () => {
    const accountMeta = (instruction.accounts as TAccountMetas)[accountIndex]!;
    accountIndex += 1;
    return accountMeta;
  };
  return {
    programAddress: instruction.programAddress,
    accounts: { keeper: getNextAccount(), custody: getNextAccount() },
    data: getSetCustodyGlobalLimitInstructionDataDecoder().decode(
      instruction.data,
    ),
  };
}