/**
 * 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, 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 } from '@solana/kit';
import { WHIRLPOOL_PROGRAM_ADDRESS } from '../programs';
import { getAccountMetaFactory, type ResolvedAccount } from '../shared';

export const CLOSE_POSITION_DISCRIMINATOR = new Uint8Array([123, 134, 81, 0, 49, 68, 98, 98]);

export function getClosePositionDiscriminatorBytes() { return fixEncoderSize(getBytesEncoder(), 8).encode(CLOSE_POSITION_DISCRIMINATOR); }

export type ClosePositionInstruction<TProgram extends string = typeof WHIRLPOOL_PROGRAM_ADDRESS, TAccountPositionAuthority extends string | AccountMeta<string> = string, TAccountReceiver extends string | AccountMeta<string> = string, TAccountPosition extends string | AccountMeta<string> = string, TAccountPositionMint extends string | AccountMeta<string> = string, TAccountPositionTokenAccount extends string | AccountMeta<string> = string, TAccountTokenProgram extends string | AccountMeta<string> = "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA", TRemainingAccounts extends readonly AccountMeta<string>[] = []> =
Instruction<TProgram> & InstructionWithData<ReadonlyUint8Array> & InstructionWithAccounts<[TAccountPositionAuthority extends string ? ReadonlySignerAccount<TAccountPositionAuthority> & AccountSignerMeta<TAccountPositionAuthority> : TAccountPositionAuthority, TAccountReceiver extends string ? WritableAccount<TAccountReceiver> : TAccountReceiver, TAccountPosition extends string ? WritableAccount<TAccountPosition> : TAccountPosition, TAccountPositionMint extends string ? WritableAccount<TAccountPositionMint> : TAccountPositionMint, TAccountPositionTokenAccount extends string ? WritableAccount<TAccountPositionTokenAccount> : TAccountPositionTokenAccount, TAccountTokenProgram extends string ? ReadonlyAccount<TAccountTokenProgram> : TAccountTokenProgram, ...TRemainingAccounts]>;

export type ClosePositionInstructionData = { discriminator: ReadonlyUint8Array;  };

export type ClosePositionInstructionDataArgs = {  };

export function getClosePositionInstructionDataEncoder(): FixedSizeEncoder<ClosePositionInstructionDataArgs> {
    return transformEncoder(getStructEncoder([['discriminator', fixEncoderSize(getBytesEncoder(), 8)]]), (value) => ({ ...value, discriminator: CLOSE_POSITION_DISCRIMINATOR }));
}

export function getClosePositionInstructionDataDecoder(): FixedSizeDecoder<ClosePositionInstructionData> {
    return getStructDecoder([['discriminator', fixDecoderSize(getBytesDecoder(), 8)]]);
}

export function getClosePositionInstructionDataCodec(): FixedSizeCodec<ClosePositionInstructionDataArgs, ClosePositionInstructionData> {
    return combineCodec(getClosePositionInstructionDataEncoder(), getClosePositionInstructionDataDecoder());
}

export type ClosePositionInput<TAccountPositionAuthority extends string = string, TAccountReceiver extends string = string, TAccountPosition extends string = string, TAccountPositionMint extends string = string, TAccountPositionTokenAccount extends string = string, TAccountTokenProgram extends string = string> =  {
  positionAuthority: TransactionSigner<TAccountPositionAuthority>;
receiver: Address<TAccountReceiver>;
position: Address<TAccountPosition>;
positionMint: Address<TAccountPositionMint>;
positionTokenAccount: Address<TAccountPositionTokenAccount>;
tokenProgram?: Address<TAccountTokenProgram>;
}

export function getClosePositionInstruction<TAccountPositionAuthority extends string, TAccountReceiver extends string, TAccountPosition extends string, TAccountPositionMint extends string, TAccountPositionTokenAccount extends string, TAccountTokenProgram extends string, TProgramAddress extends Address = typeof WHIRLPOOL_PROGRAM_ADDRESS>(input: ClosePositionInput<TAccountPositionAuthority, TAccountReceiver, TAccountPosition, TAccountPositionMint, TAccountPositionTokenAccount, TAccountTokenProgram>, config?: { programAddress?: TProgramAddress } ): ClosePositionInstruction<TProgramAddress, TAccountPositionAuthority, TAccountReceiver, TAccountPosition, TAccountPositionMint, TAccountPositionTokenAccount, TAccountTokenProgram> {
  // Program address.
const programAddress = config?.programAddress ?? WHIRLPOOL_PROGRAM_ADDRESS;

 // Original accounts.
const originalAccounts = { positionAuthority: { value: input.positionAuthority ?? null, isWritable: false }, receiver: { value: input.receiver ?? null, isWritable: true }, position: { value: input.position ?? null, isWritable: true }, positionMint: { value: input.positionMint ?? null, isWritable: true }, positionTokenAccount: { value: input.positionTokenAccount ?? null, isWritable: true }, tokenProgram: { value: input.tokenProgram ?? null, isWritable: false } }
const accounts = originalAccounts as Record<keyof typeof originalAccounts, ResolvedAccount>;


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

const getAccountMeta = getAccountMetaFactory(programAddress, 'programId');
return Object.freeze({ accounts: [getAccountMeta(accounts.positionAuthority), getAccountMeta(accounts.receiver), getAccountMeta(accounts.position), getAccountMeta(accounts.positionMint), getAccountMeta(accounts.positionTokenAccount), getAccountMeta(accounts.tokenProgram)], data: getClosePositionInstructionDataEncoder().encode({}), programAddress } as ClosePositionInstruction<TProgramAddress, TAccountPositionAuthority, TAccountReceiver, TAccountPosition, TAccountPositionMint, TAccountPositionTokenAccount, TAccountTokenProgram>);
}

export type ParsedClosePositionInstruction<TProgram extends string = typeof WHIRLPOOL_PROGRAM_ADDRESS, TAccountMetas extends readonly AccountMeta[] = readonly AccountMeta[]> = { programAddress: Address<TProgram>;
accounts: {
positionAuthority: TAccountMetas[0];
receiver: TAccountMetas[1];
position: TAccountMetas[2];
positionMint: TAccountMetas[3];
positionTokenAccount: TAccountMetas[4];
tokenProgram: TAccountMetas[5];
};
data: ClosePositionInstructionData; };

export function parseClosePositionInstruction<TProgram extends string, TAccountMetas extends readonly AccountMeta[]>(instruction: Instruction<TProgram> & InstructionWithAccounts<TAccountMetas> & InstructionWithData<ReadonlyUint8Array>): ParsedClosePositionInstruction<TProgram, TAccountMetas> {
  if (instruction.accounts.length < 6) {
  // 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: { positionAuthority: getNextAccount(), receiver: getNextAccount(), position: getNextAccount(), positionMint: getNextAccount(), positionTokenAccount: getNextAccount(), tokenProgram: getNextAccount() }, data: getClosePositionInstructionDataDecoder().decode(instruction.data) };
}