/**
 * 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, getU8Decoder, getU8Encoder, transformEncoder, type AccountMeta, type AccountSignerMeta, type Address, type FixedSizeCodec, type FixedSizeDecoder, type FixedSizeEncoder, type Instruction, type InstructionWithAccounts, type InstructionWithData, type ReadonlyAccount, type ReadonlySignerAccount, type ReadonlyUint8Array, type TransactionSigner, type WritableAccount, type WritableSignerAccount } from '@solana/kit';
import { WHIRLPOOL_PROGRAM_ADDRESS } from '../programs';
import { getAccountMetaFactory, type ResolvedAccount } from '../shared';

export const INITIALIZE_REWARD_DISCRIMINATOR = new Uint8Array([95, 135, 192, 196, 242, 129, 230, 68]);

export function getInitializeRewardDiscriminatorBytes() { return fixEncoderSize(getBytesEncoder(), 8).encode(INITIALIZE_REWARD_DISCRIMINATOR); }

export type InitializeRewardInstruction<TProgram extends string = typeof WHIRLPOOL_PROGRAM_ADDRESS, TAccountRewardAuthority extends string | AccountMeta<string> = string, TAccountFunder extends string | AccountMeta<string> = string, TAccountWhirlpool extends string | AccountMeta<string> = string, TAccountRewardMint extends string | AccountMeta<string> = string, TAccountRewardVault extends string | AccountMeta<string> = string, TAccountTokenProgram extends string | AccountMeta<string> = "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA", TAccountSystemProgram extends string | AccountMeta<string> = "11111111111111111111111111111111", TAccountRent extends string | AccountMeta<string> = "SysvarRent111111111111111111111111111111111", TRemainingAccounts extends readonly AccountMeta<string>[] = []> =
Instruction<TProgram> & InstructionWithData<ReadonlyUint8Array> & InstructionWithAccounts<[TAccountRewardAuthority extends string ? ReadonlySignerAccount<TAccountRewardAuthority> & AccountSignerMeta<TAccountRewardAuthority> : TAccountRewardAuthority, TAccountFunder extends string ? WritableSignerAccount<TAccountFunder> & AccountSignerMeta<TAccountFunder> : TAccountFunder, TAccountWhirlpool extends string ? WritableAccount<TAccountWhirlpool> : TAccountWhirlpool, TAccountRewardMint extends string ? ReadonlyAccount<TAccountRewardMint> : TAccountRewardMint, TAccountRewardVault extends string ? WritableSignerAccount<TAccountRewardVault> & AccountSignerMeta<TAccountRewardVault> : TAccountRewardVault, TAccountTokenProgram extends string ? ReadonlyAccount<TAccountTokenProgram> : TAccountTokenProgram, TAccountSystemProgram extends string ? ReadonlyAccount<TAccountSystemProgram> : TAccountSystemProgram, TAccountRent extends string ? ReadonlyAccount<TAccountRent> : TAccountRent, ...TRemainingAccounts]>;

export type InitializeRewardInstructionData = { discriminator: ReadonlyUint8Array; rewardIndex: number;  };

export type InitializeRewardInstructionDataArgs = { rewardIndex: number;  };

export function getInitializeRewardInstructionDataEncoder(): FixedSizeEncoder<InitializeRewardInstructionDataArgs> {
    return transformEncoder(getStructEncoder([['discriminator', fixEncoderSize(getBytesEncoder(), 8)], ['rewardIndex', getU8Encoder()]]), (value) => ({ ...value, discriminator: INITIALIZE_REWARD_DISCRIMINATOR }));
}

export function getInitializeRewardInstructionDataDecoder(): FixedSizeDecoder<InitializeRewardInstructionData> {
    return getStructDecoder([['discriminator', fixDecoderSize(getBytesDecoder(), 8)], ['rewardIndex', getU8Decoder()]]);
}

export function getInitializeRewardInstructionDataCodec(): FixedSizeCodec<InitializeRewardInstructionDataArgs, InitializeRewardInstructionData> {
    return combineCodec(getInitializeRewardInstructionDataEncoder(), getInitializeRewardInstructionDataDecoder());
}

export type InitializeRewardInput<TAccountRewardAuthority extends string = string, TAccountFunder extends string = string, TAccountWhirlpool extends string = string, TAccountRewardMint extends string = string, TAccountRewardVault extends string = string, TAccountTokenProgram extends string = string, TAccountSystemProgram extends string = string, TAccountRent extends string = string> =  {
  rewardAuthority: TransactionSigner<TAccountRewardAuthority>;
funder: TransactionSigner<TAccountFunder>;
whirlpool: Address<TAccountWhirlpool>;
rewardMint: Address<TAccountRewardMint>;
rewardVault: TransactionSigner<TAccountRewardVault>;
tokenProgram?: Address<TAccountTokenProgram>;
systemProgram?: Address<TAccountSystemProgram>;
rent?: Address<TAccountRent>;
rewardIndex: InitializeRewardInstructionDataArgs["rewardIndex"];
}

export function getInitializeRewardInstruction<TAccountRewardAuthority extends string, TAccountFunder extends string, TAccountWhirlpool extends string, TAccountRewardMint extends string, TAccountRewardVault extends string, TAccountTokenProgram extends string, TAccountSystemProgram extends string, TAccountRent extends string, TProgramAddress extends Address = typeof WHIRLPOOL_PROGRAM_ADDRESS>(input: InitializeRewardInput<TAccountRewardAuthority, TAccountFunder, TAccountWhirlpool, TAccountRewardMint, TAccountRewardVault, TAccountTokenProgram, TAccountSystemProgram, TAccountRent>, config?: { programAddress?: TProgramAddress } ): InitializeRewardInstruction<TProgramAddress, TAccountRewardAuthority, TAccountFunder, TAccountWhirlpool, TAccountRewardMint, TAccountRewardVault, TAccountTokenProgram, TAccountSystemProgram, TAccountRent> {
  // Program address.
const programAddress = config?.programAddress ?? WHIRLPOOL_PROGRAM_ADDRESS;

 // Original accounts.
const originalAccounts = { rewardAuthority: { value: input.rewardAuthority ?? null, isWritable: false }, funder: { value: input.funder ?? null, isWritable: true }, whirlpool: { value: input.whirlpool ?? null, isWritable: true }, rewardMint: { value: input.rewardMint ?? null, isWritable: false }, rewardVault: { value: input.rewardVault ?? null, isWritable: true }, tokenProgram: { value: input.tokenProgram ?? null, isWritable: false }, systemProgram: { value: input.systemProgram ?? null, isWritable: false }, rent: { value: input.rent ?? null, isWritable: false } }
const accounts = originalAccounts as Record<keyof typeof originalAccounts, ResolvedAccount>;


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


// Resolve default values.
if (!accounts.tokenProgram.value) {
accounts.tokenProgram.value = 'TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA' as Address<'TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA'>;
}
if (!accounts.systemProgram.value) {
accounts.systemProgram.value = '11111111111111111111111111111111' as Address<'11111111111111111111111111111111'>;
}
if (!accounts.rent.value) {
accounts.rent.value = 'SysvarRent111111111111111111111111111111111' as Address<'SysvarRent111111111111111111111111111111111'>;
}

const getAccountMeta = getAccountMetaFactory(programAddress, 'programId');
return Object.freeze({ accounts: [getAccountMeta(accounts.rewardAuthority), getAccountMeta(accounts.funder), getAccountMeta(accounts.whirlpool), getAccountMeta(accounts.rewardMint), getAccountMeta(accounts.rewardVault), getAccountMeta(accounts.tokenProgram), getAccountMeta(accounts.systemProgram), getAccountMeta(accounts.rent)], data: getInitializeRewardInstructionDataEncoder().encode(args as InitializeRewardInstructionDataArgs), programAddress } as InitializeRewardInstruction<TProgramAddress, TAccountRewardAuthority, TAccountFunder, TAccountWhirlpool, TAccountRewardMint, TAccountRewardVault, TAccountTokenProgram, TAccountSystemProgram, TAccountRent>);
}

export type ParsedInitializeRewardInstruction<TProgram extends string = typeof WHIRLPOOL_PROGRAM_ADDRESS, TAccountMetas extends readonly AccountMeta[] = readonly AccountMeta[]> = { programAddress: Address<TProgram>;
accounts: {
rewardAuthority: TAccountMetas[0];
funder: TAccountMetas[1];
whirlpool: TAccountMetas[2];
rewardMint: TAccountMetas[3];
rewardVault: TAccountMetas[4];
tokenProgram: TAccountMetas[5];
systemProgram: TAccountMetas[6];
rent: TAccountMetas[7];
};
data: InitializeRewardInstructionData; };

export function parseInitializeRewardInstruction<TProgram extends string, TAccountMetas extends readonly AccountMeta[]>(instruction: Instruction<TProgram> & InstructionWithAccounts<TAccountMetas> & InstructionWithData<ReadonlyUint8Array>): ParsedInitializeRewardInstruction<TProgram, TAccountMetas> {
  if (instruction.accounts.length < 8) {
  // 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: { rewardAuthority: getNextAccount(), funder: getNextAccount(), whirlpool: getNextAccount(), rewardMint: getNextAccount(), rewardVault: getNextAccount(), tokenProgram: getNextAccount(), systemProgram: getNextAccount(), rent: getNextAccount() }, data: getInitializeRewardInstructionDataDecoder().decode(instruction.data) };
}