/**
 * 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,
  getStructDecoder,
  getStructEncoder,
  getU8Decoder,
  getU8Encoder,
  SOLANA_ERROR__PROGRAM_CLIENTS__INSUFFICIENT_ACCOUNT_METAS,
  SolanaError,
  transformEncoder,
  type AccountMeta,
  type AccountSignerMeta,
  type Address,
  type Codec,
  type Decoder,
  type Encoder,
  type Instruction,
  type InstructionWithAccounts,
  type InstructionWithData,
  type ReadonlyAccount,
  type ReadonlyUint8Array,
  type TransactionSigner,
  type WritableAccount,
  type WritableSignerAccount,
} from "@solana/kit";
import {
  getAccountMetaFactory,
  getAddressFromResolvedInstructionAccount,
  type ResolvedInstructionAccount,
} from "@solana/program-client-core";
import { findRuleSetBufferPda } from "../pdas/index.ts";
import { MPL_TOKEN_AUTH_RULES_PROGRAM_ADDRESS } from "../programs/index.ts";
import {
  getWriteToBufferArgsDecoder,
  getWriteToBufferArgsEncoder,
  type WriteToBufferArgs,
  type WriteToBufferArgsArgs,
} from "../types/index.ts";

export const WRITE_TO_BUFFER_DISCRIMINATOR = 2;

export function getWriteToBufferDiscriminatorBytes(): ReadonlyUint8Array {
  return getU8Encoder().encode(WRITE_TO_BUFFER_DISCRIMINATOR);
}

export type WriteToBufferInstruction<
  TProgram extends string = typeof MPL_TOKEN_AUTH_RULES_PROGRAM_ADDRESS,
  TAccountPayer extends string | AccountMeta<string> = string,
  TAccountBufferPda extends string | AccountMeta<string> = string,
  TAccountSystemProgram extends string | AccountMeta<string> =
    "11111111111111111111111111111111",
  TRemainingAccounts extends readonly AccountMeta<string>[] = [],
> = Instruction<TProgram> &
  InstructionWithData<ReadonlyUint8Array> &
  InstructionWithAccounts<
    [
      TAccountPayer extends string
        ? WritableSignerAccount<TAccountPayer> &
            AccountSignerMeta<TAccountPayer>
        : TAccountPayer,
      TAccountBufferPda extends string
        ? WritableAccount<TAccountBufferPda>
        : TAccountBufferPda,
      TAccountSystemProgram extends string
        ? ReadonlyAccount<TAccountSystemProgram>
        : TAccountSystemProgram,
      ...TRemainingAccounts,
    ]
  >;

export type WriteToBufferInstructionData = {
  discriminator: number;
  /** The chunk of serialized RuleSet data to append. */
  writeToBufferArgs: WriteToBufferArgs;
};

export type WriteToBufferInstructionDataArgs = {
  /** The chunk of serialized RuleSet data to append. */
  writeToBufferArgs: WriteToBufferArgsArgs;
};

export function getWriteToBufferInstructionDataEncoder(): Encoder<WriteToBufferInstructionDataArgs> {
  return transformEncoder(
    getStructEncoder([
      ["discriminator", getU8Encoder()],
      ["writeToBufferArgs", getWriteToBufferArgsEncoder()],
    ]),
    (value) => ({ ...value, discriminator: WRITE_TO_BUFFER_DISCRIMINATOR }),
  );
}

export function getWriteToBufferInstructionDataDecoder(): Decoder<WriteToBufferInstructionData> {
  return getStructDecoder([
    ["discriminator", getU8Decoder()],
    ["writeToBufferArgs", getWriteToBufferArgsDecoder()],
  ]);
}

export function getWriteToBufferInstructionDataCodec(): Codec<
  WriteToBufferInstructionDataArgs,
  WriteToBufferInstructionData
> {
  return combineCodec(
    getWriteToBufferInstructionDataEncoder(),
    getWriteToBufferInstructionDataDecoder(),
  );
}

export type WriteToBufferAsyncInput<
  TAccountPayer extends string = string,
  TAccountBufferPda extends string = string,
  TAccountSystemProgram extends string = string,
> = {
  /** Payer and creator of the RuleSet */
  payer: TransactionSigner<TAccountPayer>;
  /** The PDA account where the RuleSet buffer is stored */
  bufferPda?: Address<TAccountBufferPda>;
  /** System program */
  systemProgram?: Address<TAccountSystemProgram>;
  writeToBufferArgs: WriteToBufferInstructionDataArgs["writeToBufferArgs"];
};

/**
 * Appends serialized RuleSet bytes to a buffer PDA.
 *
 * RuleSets larger than a single transaction can hold are streamed in
 * chunks to a buffer account, then applied in one `createOrUpdate`
 * call that reads from the buffer.
 */
export async function getWriteToBufferInstructionAsync<
  TAccountPayer extends string,
  TAccountBufferPda extends string,
  TAccountSystemProgram extends string,
  TProgramAddress extends Address = typeof MPL_TOKEN_AUTH_RULES_PROGRAM_ADDRESS,
>(
  input: WriteToBufferAsyncInput<
    TAccountPayer,
    TAccountBufferPda,
    TAccountSystemProgram
  >,
  config?: { programAddress?: TProgramAddress },
): Promise<
  WriteToBufferInstruction<
    TProgramAddress,
    TAccountPayer,
    TAccountBufferPda,
    TAccountSystemProgram
  >
> {
  // Program address.
  const programAddress =
    config?.programAddress ?? MPL_TOKEN_AUTH_RULES_PROGRAM_ADDRESS;

  // Original accounts.
  const originalAccounts = {
    payer: { value: input.payer ?? null, isWritable: true },
    bufferPda: { value: input.bufferPda ?? null, isWritable: true },
    systemProgram: { value: input.systemProgram ?? null, isWritable: false },
  };
  const accounts = originalAccounts as Record<
    keyof typeof originalAccounts,
    ResolvedInstructionAccount
  >;

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

  // Resolve default values.
  if (!accounts.bufferPda.value) {
    accounts.bufferPda.value = await findRuleSetBufferPda(
      {
        owner: getAddressFromResolvedInstructionAccount(
          "payer",
          accounts.payer.value,
        ),
      },
      { programAddress },
    );
  }
  if (!accounts.systemProgram.value) {
    accounts.systemProgram.value =
      "11111111111111111111111111111111" as Address<"11111111111111111111111111111111">;
  }

  const getAccountMeta = getAccountMetaFactory(programAddress, "programId");
  return Object.freeze({
    accounts: [
      getAccountMeta("payer", accounts.payer),
      getAccountMeta("bufferPda", accounts.bufferPda),
      getAccountMeta("systemProgram", accounts.systemProgram),
    ],
    data: getWriteToBufferInstructionDataEncoder().encode(
      args as WriteToBufferInstructionDataArgs,
    ),
    programAddress,
  } as WriteToBufferInstruction<
    TProgramAddress,
    TAccountPayer,
    TAccountBufferPda,
    TAccountSystemProgram
  >);
}

export type WriteToBufferInput<
  TAccountPayer extends string = string,
  TAccountBufferPda extends string = string,
  TAccountSystemProgram extends string = string,
> = {
  /** Payer and creator of the RuleSet */
  payer: TransactionSigner<TAccountPayer>;
  /** The PDA account where the RuleSet buffer is stored */
  bufferPda: Address<TAccountBufferPda>;
  /** System program */
  systemProgram?: Address<TAccountSystemProgram>;
  writeToBufferArgs: WriteToBufferInstructionDataArgs["writeToBufferArgs"];
};

/**
 * Appends serialized RuleSet bytes to a buffer PDA.
 *
 * RuleSets larger than a single transaction can hold are streamed in
 * chunks to a buffer account, then applied in one `createOrUpdate`
 * call that reads from the buffer.
 */
export function getWriteToBufferInstruction<
  TAccountPayer extends string,
  TAccountBufferPda extends string,
  TAccountSystemProgram extends string,
  TProgramAddress extends Address = typeof MPL_TOKEN_AUTH_RULES_PROGRAM_ADDRESS,
>(
  input: WriteToBufferInput<
    TAccountPayer,
    TAccountBufferPda,
    TAccountSystemProgram
  >,
  config?: { programAddress?: TProgramAddress },
): WriteToBufferInstruction<
  TProgramAddress,
  TAccountPayer,
  TAccountBufferPda,
  TAccountSystemProgram
> {
  // Program address.
  const programAddress =
    config?.programAddress ?? MPL_TOKEN_AUTH_RULES_PROGRAM_ADDRESS;

  // Original accounts.
  const originalAccounts = {
    payer: { value: input.payer ?? null, isWritable: true },
    bufferPda: { value: input.bufferPda ?? null, isWritable: true },
    systemProgram: { value: input.systemProgram ?? null, isWritable: false },
  };
  const accounts = originalAccounts as Record<
    keyof typeof originalAccounts,
    ResolvedInstructionAccount
  >;

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

  // Resolve default values.
  if (!accounts.systemProgram.value) {
    accounts.systemProgram.value =
      "11111111111111111111111111111111" as Address<"11111111111111111111111111111111">;
  }

  const getAccountMeta = getAccountMetaFactory(programAddress, "programId");
  return Object.freeze({
    accounts: [
      getAccountMeta("payer", accounts.payer),
      getAccountMeta("bufferPda", accounts.bufferPda),
      getAccountMeta("systemProgram", accounts.systemProgram),
    ],
    data: getWriteToBufferInstructionDataEncoder().encode(
      args as WriteToBufferInstructionDataArgs,
    ),
    programAddress,
  } as WriteToBufferInstruction<
    TProgramAddress,
    TAccountPayer,
    TAccountBufferPda,
    TAccountSystemProgram
  >);
}

export type ParsedWriteToBufferInstruction<
  TProgram extends string = typeof MPL_TOKEN_AUTH_RULES_PROGRAM_ADDRESS,
  TAccountMetas extends readonly AccountMeta[] = readonly AccountMeta[],
> = {
  programAddress: Address<TProgram>;
  accounts: {
    /** Payer and creator of the RuleSet */
    payer: TAccountMetas[0];
    /** The PDA account where the RuleSet buffer is stored */
    bufferPda: TAccountMetas[1];
    /** System program */
    systemProgram: TAccountMetas[2];
  };
  data: WriteToBufferInstructionData;
};

export function parseWriteToBufferInstruction<
  TProgram extends string,
  TAccountMetas extends readonly AccountMeta[],
>(
  instruction: Instruction<TProgram> &
    InstructionWithAccounts<TAccountMetas> &
    InstructionWithData<ReadonlyUint8Array>,
): ParsedWriteToBufferInstruction<TProgram, TAccountMetas> {
  if (instruction.accounts.length < 3) {
    throw new SolanaError(
      SOLANA_ERROR__PROGRAM_CLIENTS__INSUFFICIENT_ACCOUNT_METAS,
      {
        actualAccountMetas: instruction.accounts.length,
        expectedAccountMetas: 3,
      },
    );
  }
  let accountIndex = 0;
  const getNextAccount = () => {
    const accountMeta = (instruction.accounts as TAccountMetas)[accountIndex]!;
    accountIndex += 1;
    return accountMeta;
  };
  return {
    programAddress: instruction.programAddress,
    accounts: {
      payer: getNextAccount(),
      bufferPda: getNextAccount(),
      systemProgram: getNextAccount(),
    },
    data: getWriteToBufferInstructionDataDecoder().decode(instruction.data),
  };
}