/**
 * 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 { getProgramDerivedAddress, type Address } from '@solana/kit';
import {
  combineCodec,
  fixDecoderSize,
  fixEncoderSize,
  getBytesDecoder,
  getBytesEncoder,
  getStructDecoder,
  getStructEncoder,
  transformEncoder,
  type Codec,
  type Decoder,
  type Encoder,
  type ReadonlyUint8Array,
} from '@solana/kit';
import {
  type IAccountMeta,
  type IInstruction,
  type IInstructionWithAccounts,
  type IInstructionWithData,
  type WritableAccount,
  type WritableSignerAccount,
} from '@solana/kit';
import { type IAccountSignerMeta, type TransactionSigner } from '@solana/kit';
import { SINGLE_CHAIN_GUARD_PROGRAM_ADDRESS } from '../programs/index.js';
import { getAccountMetaFactory, type ResolvedAccount } from '../shared/index.js';

export const ACCEPT_ADMIN_DISCRIMINATOR = new Uint8Array([112, 42, 45, 90, 116, 181, 13, 170]);

export function getAcceptAdminDiscriminatorBytes() {
  return fixEncoderSize(getBytesEncoder(), 8).encode(ACCEPT_ADMIN_DISCRIMINATOR);
}

export type AcceptAdminInstruction<
  TProgram extends string = typeof SINGLE_CHAIN_GUARD_PROGRAM_ADDRESS,
  TAccountPendingAdmin extends string | IAccountMeta<string> = string,
  TAccountAdminSingleton extends string | IAccountMeta<string> = string,
  TRemainingAccounts extends readonly IAccountMeta<string>[] = [],
> = IInstruction<TProgram> &
  IInstructionWithData<Uint8Array> &
  IInstructionWithAccounts<
    [
      TAccountPendingAdmin extends string
        ? WritableSignerAccount<TAccountPendingAdmin> & IAccountSignerMeta<TAccountPendingAdmin>
        : TAccountPendingAdmin,
      TAccountAdminSingleton extends string ? WritableAccount<TAccountAdminSingleton> : TAccountAdminSingleton,
      ...TRemainingAccounts,
    ]
  >;

export type AcceptAdminInstructionData = { discriminator: ReadonlyUint8Array };

export type AcceptAdminInstructionDataArgs = {};

export function getAcceptAdminInstructionDataEncoder(): Encoder<AcceptAdminInstructionDataArgs> {
  return transformEncoder(getStructEncoder([['discriminator', fixEncoderSize(getBytesEncoder(), 8)]]), (value) => ({
    ...value,
    discriminator: ACCEPT_ADMIN_DISCRIMINATOR,
  }));
}

export function getAcceptAdminInstructionDataDecoder(): Decoder<AcceptAdminInstructionData> {
  return getStructDecoder([['discriminator', fixDecoderSize(getBytesDecoder(), 8)]]);
}

export function getAcceptAdminInstructionDataCodec(): Codec<
  AcceptAdminInstructionDataArgs,
  AcceptAdminInstructionData
> {
  return combineCodec(getAcceptAdminInstructionDataEncoder(), getAcceptAdminInstructionDataDecoder());
}

export type AcceptAdminAsyncInput<
  TAccountPendingAdmin extends string = string,
  TAccountAdminSingleton extends string = string,
> = {
  /** Pending Admin signer */
  pendingAdmin: TransactionSigner<TAccountPendingAdmin>;
  /** Admin singleton account that grants access to admin functions */
  adminSingleton?: Address<TAccountAdminSingleton>;
};

export async function getAcceptAdminInstructionAsync<
  TAccountPendingAdmin extends string,
  TAccountAdminSingleton extends string,
  TProgramAddress extends Address = typeof SINGLE_CHAIN_GUARD_PROGRAM_ADDRESS,
>(
  input: AcceptAdminAsyncInput<TAccountPendingAdmin, TAccountAdminSingleton>,
  config?: { programAddress?: TProgramAddress },
): Promise<AcceptAdminInstruction<TProgramAddress, TAccountPendingAdmin, TAccountAdminSingleton>> {
  // Program address.
  const programAddress = config?.programAddress ?? SINGLE_CHAIN_GUARD_PROGRAM_ADDRESS;

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

  // Resolve default values.
  if (!accounts.adminSingleton.value) {
    accounts.adminSingleton.value = await getProgramDerivedAddress({
      programAddress,
      seeds: [getBytesEncoder().encode(new Uint8Array([97, 100, 109, 105, 110]))],
    });
  }

  const getAccountMeta = getAccountMetaFactory(programAddress, 'programId');
  const instruction = {
    accounts: [getAccountMeta(accounts.pendingAdmin), getAccountMeta(accounts.adminSingleton)],
    programAddress,
    data: getAcceptAdminInstructionDataEncoder().encode({}),
  } as AcceptAdminInstruction<TProgramAddress, TAccountPendingAdmin, TAccountAdminSingleton>;

  return instruction;
}

export type AcceptAdminInput<
  TAccountPendingAdmin extends string = string,
  TAccountAdminSingleton extends string = string,
> = {
  /** Pending Admin signer */
  pendingAdmin: TransactionSigner<TAccountPendingAdmin>;
  /** Admin singleton account that grants access to admin functions */
  adminSingleton: Address<TAccountAdminSingleton>;
};

export function getAcceptAdminInstruction<
  TAccountPendingAdmin extends string,
  TAccountAdminSingleton extends string,
  TProgramAddress extends Address = typeof SINGLE_CHAIN_GUARD_PROGRAM_ADDRESS,
>(
  input: AcceptAdminInput<TAccountPendingAdmin, TAccountAdminSingleton>,
  config?: { programAddress?: TProgramAddress },
): AcceptAdminInstruction<TProgramAddress, TAccountPendingAdmin, TAccountAdminSingleton> {
  // Program address.
  const programAddress = config?.programAddress ?? SINGLE_CHAIN_GUARD_PROGRAM_ADDRESS;

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

  const getAccountMeta = getAccountMetaFactory(programAddress, 'programId');
  const instruction = {
    accounts: [getAccountMeta(accounts.pendingAdmin), getAccountMeta(accounts.adminSingleton)],
    programAddress,
    data: getAcceptAdminInstructionDataEncoder().encode({}),
  } as AcceptAdminInstruction<TProgramAddress, TAccountPendingAdmin, TAccountAdminSingleton>;

  return instruction;
}

export type ParsedAcceptAdminInstruction<
  TProgram extends string = typeof SINGLE_CHAIN_GUARD_PROGRAM_ADDRESS,
  TAccountMetas extends readonly IAccountMeta[] = readonly IAccountMeta[],
> = {
  programAddress: Address<TProgram>;
  accounts: {
    /** Pending Admin signer */
    pendingAdmin: TAccountMetas[0];
    /** Admin singleton account that grants access to admin functions */
    adminSingleton: TAccountMetas[1];
  };
  data: AcceptAdminInstructionData;
};

export function parseAcceptAdminInstruction<TProgram extends string, TAccountMetas extends readonly IAccountMeta[]>(
  instruction: IInstruction<TProgram> & IInstructionWithAccounts<TAccountMetas> & IInstructionWithData<Uint8Array>,
): ParsedAcceptAdminInstruction<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![accountIndex]!;
    accountIndex += 1;
    return accountMeta;
  };
  return {
    programAddress: instruction.programAddress,
    accounts: {
      pendingAdmin: getNextAccount(),
      adminSingleton: getNextAccount(),
    },
    data: getAcceptAdminInstructionDataDecoder().decode(instruction.data),
  };
}