/**
 * 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 ReadonlyAccount,
  type ReadonlyUint8Array,
  type TransactionSigner,
  type WritableAccount,
  type WritableSignerAccount,
} from "@solana/kit";
import { YVAULTS_PROGRAM_ADDRESS } from "../programs";
import { getAccountMetaFactory, type ResolvedAccount } from "../shared";

export const WITHDRAW_FROM_TOPUP_DISCRIMINATOR = new Uint8Array([
  95, 227, 138, 220, 240, 95, 150, 113,
]);

export function getWithdrawFromTopupDiscriminatorBytes() {
  return fixEncoderSize(getBytesEncoder(), 8).encode(
    WITHDRAW_FROM_TOPUP_DISCRIMINATOR,
  );
}

export type WithdrawFromTopupInstruction<
  TProgram extends string = typeof YVAULTS_PROGRAM_ADDRESS,
  TAccountAdminAuthority extends string | AccountMeta<string> = string,
  TAccountTopupVault extends string | AccountMeta<string> = string,
  TAccountSystem extends string | AccountMeta<string> = string,
  TRemainingAccounts extends readonly AccountMeta<string>[] = [],
> = Instruction<TProgram> &
  InstructionWithData<ReadonlyUint8Array> &
  InstructionWithAccounts<
    [
      TAccountAdminAuthority extends string
        ? WritableSignerAccount<TAccountAdminAuthority> &
            AccountSignerMeta<TAccountAdminAuthority>
        : TAccountAdminAuthority,
      TAccountTopupVault extends string
        ? WritableAccount<TAccountTopupVault>
        : TAccountTopupVault,
      TAccountSystem extends string
        ? ReadonlyAccount<TAccountSystem>
        : TAccountSystem,
      ...TRemainingAccounts,
    ]
  >;

export type WithdrawFromTopupInstructionData = {
  discriminator: ReadonlyUint8Array;
  amount: bigint;
};

export type WithdrawFromTopupInstructionDataArgs = { amount: number | bigint };

export function getWithdrawFromTopupInstructionDataEncoder(): FixedSizeEncoder<WithdrawFromTopupInstructionDataArgs> {
  return transformEncoder(
    getStructEncoder([
      ["discriminator", fixEncoderSize(getBytesEncoder(), 8)],
      ["amount", getU64Encoder()],
    ]),
    (value) => ({ ...value, discriminator: WITHDRAW_FROM_TOPUP_DISCRIMINATOR }),
  );
}

export function getWithdrawFromTopupInstructionDataDecoder(): FixedSizeDecoder<WithdrawFromTopupInstructionData> {
  return getStructDecoder([
    ["discriminator", fixDecoderSize(getBytesDecoder(), 8)],
    ["amount", getU64Decoder()],
  ]);
}

export function getWithdrawFromTopupInstructionDataCodec(): FixedSizeCodec<
  WithdrawFromTopupInstructionDataArgs,
  WithdrawFromTopupInstructionData
> {
  return combineCodec(
    getWithdrawFromTopupInstructionDataEncoder(),
    getWithdrawFromTopupInstructionDataDecoder(),
  );
}

export type WithdrawFromTopupInput<
  TAccountAdminAuthority extends string = string,
  TAccountTopupVault extends string = string,
  TAccountSystem extends string = string,
> = {
  adminAuthority: TransactionSigner<TAccountAdminAuthority>;
  topupVault: Address<TAccountTopupVault>;
  system: Address<TAccountSystem>;
  amount: WithdrawFromTopupInstructionDataArgs["amount"];
};

export function getWithdrawFromTopupInstruction<
  TAccountAdminAuthority extends string,
  TAccountTopupVault extends string,
  TAccountSystem extends string,
  TProgramAddress extends Address = typeof YVAULTS_PROGRAM_ADDRESS,
>(
  input: WithdrawFromTopupInput<
    TAccountAdminAuthority,
    TAccountTopupVault,
    TAccountSystem
  >,
  config?: { programAddress?: TProgramAddress },
): WithdrawFromTopupInstruction<
  TProgramAddress,
  TAccountAdminAuthority,
  TAccountTopupVault,
  TAccountSystem
> {
  // Program address.
  const programAddress = config?.programAddress ?? YVAULTS_PROGRAM_ADDRESS;

  // Original accounts.
  const originalAccounts = {
    adminAuthority: { value: input.adminAuthority ?? null, isWritable: true },
    topupVault: { value: input.topupVault ?? null, isWritable: true },
    system: { value: input.system ?? null, isWritable: false },
  };
  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.adminAuthority),
      getAccountMeta(accounts.topupVault),
      getAccountMeta(accounts.system),
    ],
    data: getWithdrawFromTopupInstructionDataEncoder().encode(
      args as WithdrawFromTopupInstructionDataArgs,
    ),
    programAddress,
  } as WithdrawFromTopupInstruction<
    TProgramAddress,
    TAccountAdminAuthority,
    TAccountTopupVault,
    TAccountSystem
  >);
}

export type ParsedWithdrawFromTopupInstruction<
  TProgram extends string = typeof YVAULTS_PROGRAM_ADDRESS,
  TAccountMetas extends readonly AccountMeta[] = readonly AccountMeta[],
> = {
  programAddress: Address<TProgram>;
  accounts: {
    adminAuthority: TAccountMetas[0];
    topupVault: TAccountMetas[1];
    system: TAccountMetas[2];
  };
  data: WithdrawFromTopupInstructionData;
};

export function parseWithdrawFromTopupInstruction<
  TProgram extends string,
  TAccountMetas extends readonly AccountMeta[],
>(
  instruction: Instruction<TProgram> &
    InstructionWithAccounts<TAccountMetas> &
    InstructionWithData<ReadonlyUint8Array>,
): ParsedWithdrawFromTopupInstruction<TProgram, TAccountMetas> {
  if (instruction.accounts.length < 3) {
    // 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: {
      adminAuthority: getNextAccount(),
      topupVault: getNextAccount(),
      system: getNextAccount(),
    },
    data: getWithdrawFromTopupInstructionDataDecoder().decode(instruction.data),
  };
}