/**
 * 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 {
  getAddressEncoder,
  getProgramDerivedAddress,
  type Address,
} from '@solana/addresses';
import {
  addDecoderSizePrefix,
  addEncoderSizePrefix,
  combineCodec,
  fixDecoderSize,
  fixEncoderSize,
  getBytesDecoder,
  getBytesEncoder,
  getStructDecoder,
  getStructEncoder,
  getU32Decoder,
  getU32Encoder,
  getU64Decoder,
  getU64Encoder,
  getU8Decoder,
  getU8Encoder,
  getUtf8Decoder,
  getUtf8Encoder,
  transformEncoder,
  type Codec,
  type Decoder,
  type Encoder,
  type ReadonlyUint8Array,
} from '@solana/codecs';
import {
  IAccountMeta,
  IInstruction,
  IInstructionWithAccounts,
  IInstructionWithData,
} from '../../utils/instruction-compat';
import {
  type IAccountSignerMeta,
  type TransactionSigner,
} from '@solana/signers';
import { POD_COM_PROGRAM_ADDRESS } from '../programs';
import {
  expectAddress,
  expectSome,
  getAccountMetaFactory,
  type ResolvedAccount,
} from '../shared';

// Define missing types for compatibility
type ReadonlyAccount<T> = T;
type WritableAccount<T> = T;
type WritableSignerAccount<T> = T;

export const CREATE_CHANNEL_DISCRIMINATOR = new Uint8Array([
  142, 179, 25, 199, 84, 243, 69, 80,
]);

export function getCreateChannelDiscriminatorBytes() {
  return fixEncoderSize(getBytesEncoder(), 8).encode(
    CREATE_CHANNEL_DISCRIMINATOR
  );
}

export type CreateChannelInstruction<
  TProgram extends string = typeof POD_COM_PROGRAM_ADDRESS,
  TAccountChannelAccount extends string | IAccountMeta<string> = string,
  TAccountCreator extends string | IAccountMeta<string> = string,
  TAccountSystemProgram extends
    | string
    | IAccountMeta<string> = '11111111111111111111111111111111',
  TRemainingAccounts extends readonly IAccountMeta<string>[] = [],
> = IInstruction<TProgram> &
  IInstructionWithData<Uint8Array> &
  IInstructionWithAccounts<
    [
      TAccountChannelAccount extends string
        ? WritableAccount<TAccountChannelAccount>
        : TAccountChannelAccount,
      TAccountCreator extends string
        ? WritableSignerAccount<TAccountCreator> &
            IAccountSignerMeta<TAccountCreator>
        : TAccountCreator,
      TAccountSystemProgram extends string
        ? ReadonlyAccount<TAccountSystemProgram>
        : TAccountSystemProgram,
      ...TRemainingAccounts,
    ]
  >;

export type CreateChannelInstructionData = {
  discriminator: ReadonlyUint8Array;
  channelId: string;
  name: string;
  description: string;
  visibility: number;
  maxParticipants: number;
  feePerMessage: bigint;
};

export type CreateChannelInstructionDataArgs = {
  channelId: string;
  name: string;
  description: string;
  visibility: number;
  maxParticipants: number;
  feePerMessage: number | bigint;
};

export function getCreateChannelInstructionDataEncoder(): Encoder<CreateChannelInstructionDataArgs> {
  return transformEncoder(
    getStructEncoder([
      ['discriminator', fixEncoderSize(getBytesEncoder(), 8)],
      ['channelId', addEncoderSizePrefix(getUtf8Encoder(), getU32Encoder())],
      ['name', addEncoderSizePrefix(getUtf8Encoder(), getU32Encoder())],
      ['description', addEncoderSizePrefix(getUtf8Encoder(), getU32Encoder())],
      ['visibility', getU8Encoder()],
      ['maxParticipants', getU32Encoder()],
      ['feePerMessage', getU64Encoder()],
    ]),
    (value) => ({ ...value, discriminator: CREATE_CHANNEL_DISCRIMINATOR })
  );
}

export function getCreateChannelInstructionDataDecoder(): Decoder<CreateChannelInstructionData> {
  return getStructDecoder([
    ['discriminator', fixDecoderSize(getBytesDecoder(), 8)],
    ['channelId', addDecoderSizePrefix(getUtf8Decoder(), getU32Decoder())],
    ['name', addDecoderSizePrefix(getUtf8Decoder(), getU32Decoder())],
    ['description', addDecoderSizePrefix(getUtf8Decoder(), getU32Decoder())],
    ['visibility', getU8Decoder()],
    ['maxParticipants', getU32Decoder()],
    ['feePerMessage', getU64Decoder()],
  ]);
}

export function getCreateChannelInstructionDataCodec(): Codec<
  CreateChannelInstructionDataArgs,
  CreateChannelInstructionData
> {
  return combineCodec(
    getCreateChannelInstructionDataEncoder(),
    getCreateChannelInstructionDataDecoder()
  );
}

export type CreateChannelAsyncInput<
  TAccountChannelAccount extends string = string,
  TAccountCreator extends string = string,
  TAccountSystemProgram extends string = string,
> = {
  channelAccount?: Address<TAccountChannelAccount>;
  creator: TransactionSigner<TAccountCreator>;
  systemProgram?: Address<TAccountSystemProgram>;
  channelId: CreateChannelInstructionDataArgs['channelId'];
  name: CreateChannelInstructionDataArgs['name'];
  description: CreateChannelInstructionDataArgs['description'];
  visibility: CreateChannelInstructionDataArgs['visibility'];
  maxParticipants: CreateChannelInstructionDataArgs['maxParticipants'];
  feePerMessage: CreateChannelInstructionDataArgs['feePerMessage'];
};

export async function getCreateChannelInstructionAsync<
  TAccountChannelAccount extends string,
  TAccountCreator extends string,
  TAccountSystemProgram extends string,
  TProgramAddress extends Address = typeof POD_COM_PROGRAM_ADDRESS,
>(
  input: CreateChannelAsyncInput<
    TAccountChannelAccount,
    TAccountCreator,
    TAccountSystemProgram
  >,
  config?: { programAddress?: TProgramAddress }
): Promise<
  CreateChannelInstruction<
    TProgramAddress,
    TAccountChannelAccount,
    TAccountCreator,
    TAccountSystemProgram
  >
> {
  // Program address.
  const programAddress = config?.programAddress ?? POD_COM_PROGRAM_ADDRESS;

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

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

  // Resolve default values.
  if (!accounts.channelAccount.value) {
    accounts.channelAccount.value = await getProgramDerivedAddress({
      programAddress,
      seeds: [
        getBytesEncoder().encode(
          new Uint8Array([99, 104, 97, 110, 110, 101, 108])
        ),
        getAddressEncoder().encode(expectAddress(accounts.creator.value)),
        addEncoderSizePrefix(getUtf8Encoder(), getU32Encoder()).encode(
          expectSome(args.channelId)
        ),
      ],
    });
  }
  if (!accounts.systemProgram.value) {
    accounts.systemProgram.value =
      '11111111111111111111111111111111' as Address<'11111111111111111111111111111111'>;
  }

  const getAccountMeta = getAccountMetaFactory(programAddress, 'programId');
  const instruction = {
    accounts: [
      getAccountMeta(accounts.channelAccount),
      getAccountMeta(accounts.creator),
      getAccountMeta(accounts.systemProgram),
    ].filter(Boolean),
    programAddress,
    data: new Uint8Array(getCreateChannelInstructionDataEncoder().encode(
      args as CreateChannelInstructionDataArgs
    )),
  } as any as CreateChannelInstruction<
    TProgramAddress,
    TAccountChannelAccount,
    TAccountCreator,
    TAccountSystemProgram
  >;

  return instruction;
}

export type CreateChannelInput<
  TAccountChannelAccount extends string = string,
  TAccountCreator extends string = string,
  TAccountSystemProgram extends string = string,
> = {
  channelAccount: Address<TAccountChannelAccount>;
  creator: TransactionSigner<TAccountCreator>;
  systemProgram?: Address<TAccountSystemProgram>;
  channelId: CreateChannelInstructionDataArgs['channelId'];
  name: CreateChannelInstructionDataArgs['name'];
  description: CreateChannelInstructionDataArgs['description'];
  visibility: CreateChannelInstructionDataArgs['visibility'];
  maxParticipants: CreateChannelInstructionDataArgs['maxParticipants'];
  feePerMessage: CreateChannelInstructionDataArgs['feePerMessage'];
};

export function getCreateChannelInstruction<
  TAccountChannelAccount extends string,
  TAccountCreator extends string,
  TAccountSystemProgram extends string,
  TProgramAddress extends Address = typeof POD_COM_PROGRAM_ADDRESS,
>(
  input: CreateChannelInput<
    TAccountChannelAccount,
    TAccountCreator,
    TAccountSystemProgram
  >,
  config?: { programAddress?: TProgramAddress }
): CreateChannelInstruction<
  TProgramAddress,
  TAccountChannelAccount,
  TAccountCreator,
  TAccountSystemProgram
> {
  // Program address.
  const programAddress = config?.programAddress ?? POD_COM_PROGRAM_ADDRESS;

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

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

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

  const getAccountMeta = getAccountMetaFactory(programAddress, 'programId');
  const instruction = {
    accounts: [
      getAccountMeta(accounts.channelAccount),
      getAccountMeta(accounts.creator),
      getAccountMeta(accounts.systemProgram),
    ].filter(Boolean),
    programAddress,
    data: new Uint8Array(getCreateChannelInstructionDataEncoder().encode(
      args as CreateChannelInstructionDataArgs
    )),
  } as any as CreateChannelInstruction<
    TProgramAddress,
    TAccountChannelAccount,
    TAccountCreator,
    TAccountSystemProgram
  >;

  return instruction;
}

export type ParsedCreateChannelInstruction<
  TProgram extends string = typeof POD_COM_PROGRAM_ADDRESS,
  TAccountMetas extends readonly IAccountMeta[] = readonly IAccountMeta[],
> = {
  programAddress: Address<TProgram>;
  accounts: {
    channelAccount: TAccountMetas[0];
    creator: TAccountMetas[1];
    systemProgram: TAccountMetas[2];
  };
  data: CreateChannelInstructionData;
};

export function parseCreateChannelInstruction<
  TProgram extends string,
  TAccountMetas extends readonly IAccountMeta[],
>(
  instruction: IInstruction<TProgram> &
    IInstructionWithAccounts<TAccountMetas> &
    IInstructionWithData<Uint8Array>
): ParsedCreateChannelInstruction<TProgram, TAccountMetas> {
  if (instruction.accounts.length < 3) {
    throw new Error('CreateChannel instruction requires at least 3 accounts: channelAccount, creator, systemProgram');
  }
  let accountIndex = 0;
  const getNextAccount = () => {
    const accountMeta = instruction.accounts![accountIndex]!;
    accountIndex += 1;
    return accountMeta;
  };
  return {
    programAddress: instruction.programAddress,
    accounts: {
      channelAccount: getNextAccount(),
      creator: getNextAccount(),
      systemProgram: getNextAccount(),
    },
    data: getCreateChannelInstructionDataDecoder().decode(instruction.data),
  };
}