/**
 * 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 { PERPETUALS_PROGRAM_ADDRESS } from "../programs";
import { getAccountMetaFactory, type ResolvedAccount } from "../shared";

export const INCREASE_POSITION_DISCRIMINATOR = new Uint8Array([
  253, 234, 128, 104, 192, 188, 45, 91,
]);

export function getIncreasePositionDiscriminatorBytes() {
  return fixEncoderSize(getBytesEncoder(), 8).encode(
    INCREASE_POSITION_DISCRIMINATOR,
  );
}

export type IncreasePositionInstruction<
  TProgram extends string = typeof PERPETUALS_PROGRAM_ADDRESS,
  TAccountKeeper extends string | AccountMeta<string> = string,
  TAccountPerpetuals extends string | AccountMeta<string> = string,
  TAccountPool extends string | AccountMeta<string> = string,
  TAccountPositionRequest extends string | AccountMeta<string> = string,
  TAccountPositionRequestAta extends string | AccountMeta<string> = string,
  TAccountPosition extends string | AccountMeta<string> = string,
  TAccountCustody extends string | AccountMeta<string> = string,
  TAccountCustodyOracleAccount extends string | AccountMeta<string> = string,
  TAccountCollateralCustody extends string | AccountMeta<string> = string,
  TAccountCollateralCustodyOracleAccount extends string | AccountMeta<string> =
    string,
  TAccountCollateralCustodyTokenAccount extends string | AccountMeta<string> =
    string,
  TAccountTokenProgram extends string | AccountMeta<string> =
    "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
  TAccountEventAuthority extends string | AccountMeta<string> = string,
  TAccountProgram extends string | AccountMeta<string> = string,
  TRemainingAccounts extends readonly AccountMeta<string>[] = [],
> = Instruction<TProgram> &
  InstructionWithData<ReadonlyUint8Array> &
  InstructionWithAccounts<
    [
      TAccountKeeper extends string
        ? ReadonlySignerAccount<TAccountKeeper> &
            AccountSignerMeta<TAccountKeeper>
        : TAccountKeeper,
      TAccountPerpetuals extends string
        ? ReadonlyAccount<TAccountPerpetuals>
        : TAccountPerpetuals,
      TAccountPool extends string
        ? WritableAccount<TAccountPool>
        : TAccountPool,
      TAccountPositionRequest extends string
        ? WritableAccount<TAccountPositionRequest>
        : TAccountPositionRequest,
      TAccountPositionRequestAta extends string
        ? WritableAccount<TAccountPositionRequestAta>
        : TAccountPositionRequestAta,
      TAccountPosition extends string
        ? WritableAccount<TAccountPosition>
        : TAccountPosition,
      TAccountCustody extends string
        ? WritableAccount<TAccountCustody>
        : TAccountCustody,
      TAccountCustodyOracleAccount extends string
        ? ReadonlyAccount<TAccountCustodyOracleAccount>
        : TAccountCustodyOracleAccount,
      TAccountCollateralCustody extends string
        ? WritableAccount<TAccountCollateralCustody>
        : TAccountCollateralCustody,
      TAccountCollateralCustodyOracleAccount extends string
        ? ReadonlyAccount<TAccountCollateralCustodyOracleAccount>
        : TAccountCollateralCustodyOracleAccount,
      TAccountCollateralCustodyTokenAccount extends string
        ? WritableAccount<TAccountCollateralCustodyTokenAccount>
        : TAccountCollateralCustodyTokenAccount,
      TAccountTokenProgram extends string
        ? ReadonlyAccount<TAccountTokenProgram>
        : TAccountTokenProgram,
      TAccountEventAuthority extends string
        ? ReadonlyAccount<TAccountEventAuthority>
        : TAccountEventAuthority,
      TAccountProgram extends string
        ? ReadonlyAccount<TAccountProgram>
        : TAccountProgram,
      ...TRemainingAccounts,
    ]
  >;

export type IncreasePositionInstructionData = {
  discriminator: ReadonlyUint8Array;
};

export type IncreasePositionInstructionDataArgs = {};

export function getIncreasePositionInstructionDataEncoder(): FixedSizeEncoder<IncreasePositionInstructionDataArgs> {
  return transformEncoder(
    getStructEncoder([["discriminator", fixEncoderSize(getBytesEncoder(), 8)]]),
    (value) => ({ ...value, discriminator: INCREASE_POSITION_DISCRIMINATOR }),
  );
}

export function getIncreasePositionInstructionDataDecoder(): FixedSizeDecoder<IncreasePositionInstructionData> {
  return getStructDecoder([
    ["discriminator", fixDecoderSize(getBytesDecoder(), 8)],
  ]);
}

export function getIncreasePositionInstructionDataCodec(): FixedSizeCodec<
  IncreasePositionInstructionDataArgs,
  IncreasePositionInstructionData
> {
  return combineCodec(
    getIncreasePositionInstructionDataEncoder(),
    getIncreasePositionInstructionDataDecoder(),
  );
}

export type IncreasePositionInput<
  TAccountKeeper extends string = string,
  TAccountPerpetuals extends string = string,
  TAccountPool extends string = string,
  TAccountPositionRequest extends string = string,
  TAccountPositionRequestAta extends string = string,
  TAccountPosition extends string = string,
  TAccountCustody extends string = string,
  TAccountCustodyOracleAccount extends string = string,
  TAccountCollateralCustody extends string = string,
  TAccountCollateralCustodyOracleAccount extends string = string,
  TAccountCollateralCustodyTokenAccount extends string = string,
  TAccountTokenProgram extends string = string,
  TAccountEventAuthority extends string = string,
  TAccountProgram extends string = string,
> = {
  keeper: TransactionSigner<TAccountKeeper>;
  perpetuals: Address<TAccountPerpetuals>;
  pool: Address<TAccountPool>;
  positionRequest: Address<TAccountPositionRequest>;
  positionRequestAta: Address<TAccountPositionRequestAta>;
  position: Address<TAccountPosition>;
  custody: Address<TAccountCustody>;
  custodyOracleAccount: Address<TAccountCustodyOracleAccount>;
  collateralCustody: Address<TAccountCollateralCustody>;
  collateralCustodyOracleAccount: Address<TAccountCollateralCustodyOracleAccount>;
  collateralCustodyTokenAccount: Address<TAccountCollateralCustodyTokenAccount>;
  tokenProgram?: Address<TAccountTokenProgram>;
  eventAuthority: Address<TAccountEventAuthority>;
  program: Address<TAccountProgram>;
};

export function getIncreasePositionInstruction<
  TAccountKeeper extends string,
  TAccountPerpetuals extends string,
  TAccountPool extends string,
  TAccountPositionRequest extends string,
  TAccountPositionRequestAta extends string,
  TAccountPosition extends string,
  TAccountCustody extends string,
  TAccountCustodyOracleAccount extends string,
  TAccountCollateralCustody extends string,
  TAccountCollateralCustodyOracleAccount extends string,
  TAccountCollateralCustodyTokenAccount extends string,
  TAccountTokenProgram extends string,
  TAccountEventAuthority extends string,
  TAccountProgram extends string,
  TProgramAddress extends Address = typeof PERPETUALS_PROGRAM_ADDRESS,
>(
  input: IncreasePositionInput<
    TAccountKeeper,
    TAccountPerpetuals,
    TAccountPool,
    TAccountPositionRequest,
    TAccountPositionRequestAta,
    TAccountPosition,
    TAccountCustody,
    TAccountCustodyOracleAccount,
    TAccountCollateralCustody,
    TAccountCollateralCustodyOracleAccount,
    TAccountCollateralCustodyTokenAccount,
    TAccountTokenProgram,
    TAccountEventAuthority,
    TAccountProgram
  >,
  config?: { programAddress?: TProgramAddress },
): IncreasePositionInstruction<
  TProgramAddress,
  TAccountKeeper,
  TAccountPerpetuals,
  TAccountPool,
  TAccountPositionRequest,
  TAccountPositionRequestAta,
  TAccountPosition,
  TAccountCustody,
  TAccountCustodyOracleAccount,
  TAccountCollateralCustody,
  TAccountCollateralCustodyOracleAccount,
  TAccountCollateralCustodyTokenAccount,
  TAccountTokenProgram,
  TAccountEventAuthority,
  TAccountProgram
> {
  // Program address.
  const programAddress = config?.programAddress ?? PERPETUALS_PROGRAM_ADDRESS;

  // Original accounts.
  const originalAccounts = {
    keeper: { value: input.keeper ?? null, isWritable: false },
    perpetuals: { value: input.perpetuals ?? null, isWritable: false },
    pool: { value: input.pool ?? null, isWritable: true },
    positionRequest: { value: input.positionRequest ?? null, isWritable: true },
    positionRequestAta: {
      value: input.positionRequestAta ?? null,
      isWritable: true,
    },
    position: { value: input.position ?? null, isWritable: true },
    custody: { value: input.custody ?? null, isWritable: true },
    custodyOracleAccount: {
      value: input.custodyOracleAccount ?? null,
      isWritable: false,
    },
    collateralCustody: {
      value: input.collateralCustody ?? null,
      isWritable: true,
    },
    collateralCustodyOracleAccount: {
      value: input.collateralCustodyOracleAccount ?? null,
      isWritable: false,
    },
    collateralCustodyTokenAccount: {
      value: input.collateralCustodyTokenAccount ?? null,
      isWritable: true,
    },
    tokenProgram: { value: input.tokenProgram ?? null, isWritable: false },
    eventAuthority: { value: input.eventAuthority ?? null, isWritable: false },
    program: { value: input.program ?? 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.keeper),
      getAccountMeta(accounts.perpetuals),
      getAccountMeta(accounts.pool),
      getAccountMeta(accounts.positionRequest),
      getAccountMeta(accounts.positionRequestAta),
      getAccountMeta(accounts.position),
      getAccountMeta(accounts.custody),
      getAccountMeta(accounts.custodyOracleAccount),
      getAccountMeta(accounts.collateralCustody),
      getAccountMeta(accounts.collateralCustodyOracleAccount),
      getAccountMeta(accounts.collateralCustodyTokenAccount),
      getAccountMeta(accounts.tokenProgram),
      getAccountMeta(accounts.eventAuthority),
      getAccountMeta(accounts.program),
    ],
    data: getIncreasePositionInstructionDataEncoder().encode({}),
    programAddress,
  } as IncreasePositionInstruction<
    TProgramAddress,
    TAccountKeeper,
    TAccountPerpetuals,
    TAccountPool,
    TAccountPositionRequest,
    TAccountPositionRequestAta,
    TAccountPosition,
    TAccountCustody,
    TAccountCustodyOracleAccount,
    TAccountCollateralCustody,
    TAccountCollateralCustodyOracleAccount,
    TAccountCollateralCustodyTokenAccount,
    TAccountTokenProgram,
    TAccountEventAuthority,
    TAccountProgram
  >);
}

export type ParsedIncreasePositionInstruction<
  TProgram extends string = typeof PERPETUALS_PROGRAM_ADDRESS,
  TAccountMetas extends readonly AccountMeta[] = readonly AccountMeta[],
> = {
  programAddress: Address<TProgram>;
  accounts: {
    keeper: TAccountMetas[0];
    perpetuals: TAccountMetas[1];
    pool: TAccountMetas[2];
    positionRequest: TAccountMetas[3];
    positionRequestAta: TAccountMetas[4];
    position: TAccountMetas[5];
    custody: TAccountMetas[6];
    custodyOracleAccount: TAccountMetas[7];
    collateralCustody: TAccountMetas[8];
    collateralCustodyOracleAccount: TAccountMetas[9];
    collateralCustodyTokenAccount: TAccountMetas[10];
    tokenProgram: TAccountMetas[11];
    eventAuthority: TAccountMetas[12];
    program: TAccountMetas[13];
  };
  data: IncreasePositionInstructionData;
};

export function parseIncreasePositionInstruction<
  TProgram extends string,
  TAccountMetas extends readonly AccountMeta[],
>(
  instruction: Instruction<TProgram> &
    InstructionWithAccounts<TAccountMetas> &
    InstructionWithData<ReadonlyUint8Array>,
): ParsedIncreasePositionInstruction<TProgram, TAccountMetas> {
  if (instruction.accounts.length < 14) {
    // 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: {
      keeper: getNextAccount(),
      perpetuals: getNextAccount(),
      pool: getNextAccount(),
      positionRequest: getNextAccount(),
      positionRequestAta: getNextAccount(),
      position: getNextAccount(),
      custody: getNextAccount(),
      custodyOracleAccount: getNextAccount(),
      collateralCustody: getNextAccount(),
      collateralCustodyOracleAccount: getNextAccount(),
      collateralCustodyTokenAccount: getNextAccount(),
      tokenProgram: getNextAccount(),
      eventAuthority: getNextAccount(),
      program: getNextAccount(),
    },
    data: getIncreasePositionInstructionDataDecoder().decode(instruction.data),
  };
}