/**
 * 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 { getAddressDecoder, getAddressEncoder, 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 { SOURCE_CHAIN_GUARD_PROGRAM_ADDRESS } from '../programs/index.js';
import { getAccountMetaFactory, type ResolvedAccount } from '../shared/index.js';

export const SET_ADMIN_DISCRIMINATOR = new Uint8Array([251, 163, 0, 52, 91, 194, 187, 92]);

export function getSetAdminDiscriminatorBytes() {
  return fixEncoderSize(getBytesEncoder(), 8).encode(SET_ADMIN_DISCRIMINATOR);
}

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

export type SetAdminInstructionData = {
  discriminator: ReadonlyUint8Array;
  newAdmin: Address;
};

export type SetAdminInstructionDataArgs = { newAdmin: Address };

export function getSetAdminInstructionDataEncoder(): Encoder<SetAdminInstructionDataArgs> {
  return transformEncoder(
    getStructEncoder([
      ['discriminator', fixEncoderSize(getBytesEncoder(), 8)],
      ['newAdmin', getAddressEncoder()],
    ]),
    (value) => ({ ...value, discriminator: SET_ADMIN_DISCRIMINATOR }),
  );
}

export function getSetAdminInstructionDataDecoder(): Decoder<SetAdminInstructionData> {
  return getStructDecoder([
    ['discriminator', fixDecoderSize(getBytesDecoder(), 8)],
    ['newAdmin', getAddressDecoder()],
  ]);
}

export function getSetAdminInstructionDataCodec(): Codec<SetAdminInstructionDataArgs, SetAdminInstructionData> {
  return combineCodec(getSetAdminInstructionDataEncoder(), getSetAdminInstructionDataDecoder());
}

export type SetAdminAsyncInput<
  TAccountAdmin extends string = string,
  TAccountAdminSingleton extends string = string,
> = {
  /** Admin signer */
  admin: TransactionSigner<TAccountAdmin>;
  /** Admin singleton account that grants access to admin functions */
  adminSingleton?: Address<TAccountAdminSingleton>;
  newAdmin: SetAdminInstructionDataArgs['newAdmin'];
};

export async function getSetAdminInstructionAsync<
  TAccountAdmin extends string,
  TAccountAdminSingleton extends string,
  TProgramAddress extends Address = typeof SOURCE_CHAIN_GUARD_PROGRAM_ADDRESS,
>(
  input: SetAdminAsyncInput<TAccountAdmin, TAccountAdminSingleton>,
  config?: { programAddress?: TProgramAddress },
): Promise<SetAdminInstruction<TProgramAddress, TAccountAdmin, TAccountAdminSingleton>> {
  // Program address.
  const programAddress = config?.programAddress ?? SOURCE_CHAIN_GUARD_PROGRAM_ADDRESS;

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

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

  // 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.admin), getAccountMeta(accounts.adminSingleton)],
    programAddress,
    data: getSetAdminInstructionDataEncoder().encode(args as SetAdminInstructionDataArgs),
  } as SetAdminInstruction<TProgramAddress, TAccountAdmin, TAccountAdminSingleton>;

  return instruction;
}

export type SetAdminInput<TAccountAdmin extends string = string, TAccountAdminSingleton extends string = string> = {
  /** Admin signer */
  admin: TransactionSigner<TAccountAdmin>;
  /** Admin singleton account that grants access to admin functions */
  adminSingleton: Address<TAccountAdminSingleton>;
  newAdmin: SetAdminInstructionDataArgs['newAdmin'];
};

export function getSetAdminInstruction<
  TAccountAdmin extends string,
  TAccountAdminSingleton extends string,
  TProgramAddress extends Address = typeof SOURCE_CHAIN_GUARD_PROGRAM_ADDRESS,
>(
  input: SetAdminInput<TAccountAdmin, TAccountAdminSingleton>,
  config?: { programAddress?: TProgramAddress },
): SetAdminInstruction<TProgramAddress, TAccountAdmin, TAccountAdminSingleton> {
  // Program address.
  const programAddress = config?.programAddress ?? SOURCE_CHAIN_GUARD_PROGRAM_ADDRESS;

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

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

  const getAccountMeta = getAccountMetaFactory(programAddress, 'programId');
  const instruction = {
    accounts: [getAccountMeta(accounts.admin), getAccountMeta(accounts.adminSingleton)],
    programAddress,
    data: getSetAdminInstructionDataEncoder().encode(args as SetAdminInstructionDataArgs),
  } as SetAdminInstruction<TProgramAddress, TAccountAdmin, TAccountAdminSingleton>;

  return instruction;
}

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

export function parseSetAdminInstruction<TProgram extends string, TAccountMetas extends readonly IAccountMeta[]>(
  instruction: IInstruction<TProgram> & IInstructionWithAccounts<TAccountMetas> & IInstructionWithData<Uint8Array>,
): ParsedSetAdminInstruction<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: {
      admin: getNextAccount(),
      adminSingleton: getNextAccount(),
    },
    data: getSetAdminInstructionDataDecoder().decode(instruction.data),
  };
}