/**
 * 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 { type Address } from '@solana/kit';
import {
  combineCodec,
  fixDecoderSize,
  fixEncoderSize,
  getBytesDecoder,
  getBytesEncoder,
  getStructDecoder,
  getStructEncoder,
  transformEncoder,
  type Codec,
  type Decoder,
  type Encoder,
  type ReadonlyUint8Array,
} from '@solana/kit';
import {
  type IAccountMeta,
  type IInstruction,
  type IInstructionWithAccounts,
  type IInstructionWithData,
  type ReadonlyAccount,
  type WritableAccount,
  type WritableSignerAccount,
} from '@solana/kit';
import { type IAccountSignerMeta, type TransactionSigner } from '@solana/kit';
import { SOURCE_CHAIN_GUARD_PROGRAM_ADDRESS } from '../programs/index.js';
import { getAccountMetaFactory, type ResolvedAccount } from '../shared/index.js';

export const START_ORDER_EXECUTION_DISCRIMINATOR = new Uint8Array([38, 237, 19, 225, 182, 31, 246, 143]);

export function getStartOrderExecutionDiscriminatorBytes() {
  return fixEncoderSize(getBytesEncoder(), 8).encode(START_ORDER_EXECUTION_DISCRIMINATOR);
}

export type StartOrderExecutionInstruction<
  TProgram extends string = typeof SOURCE_CHAIN_GUARD_PROGRAM_ADDRESS,
  TAccountSolver extends string | IAccountMeta<string> = string,
  TAccountOrder extends string | IAccountMeta<string> = string,
  TAccountGuard extends string | IAccountMeta<string> = string,
  TAccountIxSysvar extends string | IAccountMeta<string> = 'Sysvar1nstructions1111111111111111111111111',
  TAccountCollateralTokenMint extends string | IAccountMeta<string> = string,
  TAccountSolverCollateralTokenAccount extends string | IAccountMeta<string> = string,
  TAccountGuardCollateralTokenAccount extends string | IAccountMeta<string> = string,
  TAccountCollateralTokenProgram extends string | IAccountMeta<string> = string,
  TRemainingAccounts extends readonly IAccountMeta<string>[] = [],
> = IInstruction<TProgram> &
  IInstructionWithData<Uint8Array> &
  IInstructionWithAccounts<
    [
      TAccountSolver extends string
        ? WritableSignerAccount<TAccountSolver> & IAccountSignerMeta<TAccountSolver>
        : TAccountSolver,
      TAccountOrder extends string ? WritableAccount<TAccountOrder> : TAccountOrder,
      TAccountGuard extends string ? WritableAccount<TAccountGuard> : TAccountGuard,
      TAccountIxSysvar extends string ? ReadonlyAccount<TAccountIxSysvar> : TAccountIxSysvar,
      TAccountCollateralTokenMint extends string
        ? ReadonlyAccount<TAccountCollateralTokenMint>
        : TAccountCollateralTokenMint,
      TAccountSolverCollateralTokenAccount extends string
        ? WritableAccount<TAccountSolverCollateralTokenAccount>
        : TAccountSolverCollateralTokenAccount,
      TAccountGuardCollateralTokenAccount extends string
        ? WritableAccount<TAccountGuardCollateralTokenAccount>
        : TAccountGuardCollateralTokenAccount,
      TAccountCollateralTokenProgram extends string
        ? ReadonlyAccount<TAccountCollateralTokenProgram>
        : TAccountCollateralTokenProgram,
      ...TRemainingAccounts,
    ]
  >;

export type StartOrderExecutionInstructionData = {
  discriminator: ReadonlyUint8Array;
};

export type StartOrderExecutionInstructionDataArgs = {};

export function getStartOrderExecutionInstructionDataEncoder(): Encoder<StartOrderExecutionInstructionDataArgs> {
  return transformEncoder(getStructEncoder([['discriminator', fixEncoderSize(getBytesEncoder(), 8)]]), (value) => ({
    ...value,
    discriminator: START_ORDER_EXECUTION_DISCRIMINATOR,
  }));
}

export function getStartOrderExecutionInstructionDataDecoder(): Decoder<StartOrderExecutionInstructionData> {
  return getStructDecoder([['discriminator', fixDecoderSize(getBytesDecoder(), 8)]]);
}

export function getStartOrderExecutionInstructionDataCodec(): Codec<
  StartOrderExecutionInstructionDataArgs,
  StartOrderExecutionInstructionData
> {
  return combineCodec(getStartOrderExecutionInstructionDataEncoder(), getStartOrderExecutionInstructionDataDecoder());
}

export type StartOrderExecutionInput<
  TAccountSolver extends string = string,
  TAccountOrder extends string = string,
  TAccountGuard extends string = string,
  TAccountIxSysvar extends string = string,
  TAccountCollateralTokenMint extends string = string,
  TAccountSolverCollateralTokenAccount extends string = string,
  TAccountGuardCollateralTokenAccount extends string = string,
  TAccountCollateralTokenProgram extends string = string,
> = {
  /** Solver that starts order execution */
  solver: TransactionSigner<TAccountSolver>;
  /** Order data */
  order: Address<TAccountOrder>;
  /** Guard address, that protects this order execution */
  guard: Address<TAccountGuard>;
  /**
   * the supplied Sysvar could be anything else.
   * The Instruction Sysvar has not been implemented
   * in the Anchor framework yet, so this is the safe approach.
   */
  ixSysvar?: Address<TAccountIxSysvar>;
  /** Collateral token mint */
  collateralTokenMint: Address<TAccountCollateralTokenMint>;
  /** Solver collateral account, from which solver is paying collateral tokens and fees */
  solverCollateralTokenAccount: Address<TAccountSolverCollateralTokenAccount>;
  /** Guard collateral account, where Guard is collecting collateral tokens */
  guardCollateralTokenAccount: Address<TAccountGuardCollateralTokenAccount>;
  /** Solana token program */
  collateralTokenProgram: Address<TAccountCollateralTokenProgram>;
};

export function getStartOrderExecutionInstruction<
  TAccountSolver extends string,
  TAccountOrder extends string,
  TAccountGuard extends string,
  TAccountIxSysvar extends string,
  TAccountCollateralTokenMint extends string,
  TAccountSolverCollateralTokenAccount extends string,
  TAccountGuardCollateralTokenAccount extends string,
  TAccountCollateralTokenProgram extends string,
  TProgramAddress extends Address = typeof SOURCE_CHAIN_GUARD_PROGRAM_ADDRESS,
>(
  input: StartOrderExecutionInput<
    TAccountSolver,
    TAccountOrder,
    TAccountGuard,
    TAccountIxSysvar,
    TAccountCollateralTokenMint,
    TAccountSolverCollateralTokenAccount,
    TAccountGuardCollateralTokenAccount,
    TAccountCollateralTokenProgram
  >,
  config?: { programAddress?: TProgramAddress },
): StartOrderExecutionInstruction<
  TProgramAddress,
  TAccountSolver,
  TAccountOrder,
  TAccountGuard,
  TAccountIxSysvar,
  TAccountCollateralTokenMint,
  TAccountSolverCollateralTokenAccount,
  TAccountGuardCollateralTokenAccount,
  TAccountCollateralTokenProgram
> {
  // Program address.
  const programAddress = config?.programAddress ?? SOURCE_CHAIN_GUARD_PROGRAM_ADDRESS;

  // Original accounts.
  const originalAccounts = {
    solver: { value: input.solver ?? null, isWritable: true },
    order: { value: input.order ?? null, isWritable: true },
    guard: { value: input.guard ?? null, isWritable: true },
    ixSysvar: { value: input.ixSysvar ?? null, isWritable: false },
    collateralTokenMint: {
      value: input.collateralTokenMint ?? null,
      isWritable: false,
    },
    solverCollateralTokenAccount: {
      value: input.solverCollateralTokenAccount ?? null,
      isWritable: true,
    },
    guardCollateralTokenAccount: {
      value: input.guardCollateralTokenAccount ?? null,
      isWritable: true,
    },
    collateralTokenProgram: {
      value: input.collateralTokenProgram ?? null,
      isWritable: false,
    },
  };
  const accounts = originalAccounts as Record<keyof typeof originalAccounts, ResolvedAccount>;

  // Resolve default values.
  if (!accounts.ixSysvar.value) {
    accounts.ixSysvar.value =
      'Sysvar1nstructions1111111111111111111111111' as Address<'Sysvar1nstructions1111111111111111111111111'>;
  }

  const getAccountMeta = getAccountMetaFactory(programAddress, 'programId');
  const instruction = {
    accounts: [
      getAccountMeta(accounts.solver),
      getAccountMeta(accounts.order),
      getAccountMeta(accounts.guard),
      getAccountMeta(accounts.ixSysvar),
      getAccountMeta(accounts.collateralTokenMint),
      getAccountMeta(accounts.solverCollateralTokenAccount),
      getAccountMeta(accounts.guardCollateralTokenAccount),
      getAccountMeta(accounts.collateralTokenProgram),
    ],
    programAddress,
    data: getStartOrderExecutionInstructionDataEncoder().encode({}),
  } as StartOrderExecutionInstruction<
    TProgramAddress,
    TAccountSolver,
    TAccountOrder,
    TAccountGuard,
    TAccountIxSysvar,
    TAccountCollateralTokenMint,
    TAccountSolverCollateralTokenAccount,
    TAccountGuardCollateralTokenAccount,
    TAccountCollateralTokenProgram
  >;

  return instruction;
}

export type ParsedStartOrderExecutionInstruction<
  TProgram extends string = typeof SOURCE_CHAIN_GUARD_PROGRAM_ADDRESS,
  TAccountMetas extends readonly IAccountMeta[] = readonly IAccountMeta[],
> = {
  programAddress: Address<TProgram>;
  accounts: {
    /** Solver that starts order execution */
    solver: TAccountMetas[0];
    /** Order data */
    order: TAccountMetas[1];
    /** Guard address, that protects this order execution */
    guard: TAccountMetas[2];
    /**
     * the supplied Sysvar could be anything else.
     * The Instruction Sysvar has not been implemented
     * in the Anchor framework yet, so this is the safe approach.
     */

    ixSysvar: TAccountMetas[3];
    /** Collateral token mint */
    collateralTokenMint: TAccountMetas[4];
    /** Solver collateral account, from which solver is paying collateral tokens and fees */
    solverCollateralTokenAccount: TAccountMetas[5];
    /** Guard collateral account, where Guard is collecting collateral tokens */
    guardCollateralTokenAccount: TAccountMetas[6];
    /** Solana token program */
    collateralTokenProgram: TAccountMetas[7];
  };
  data: StartOrderExecutionInstructionData;
};

export function parseStartOrderExecutionInstruction<
  TProgram extends string,
  TAccountMetas extends readonly IAccountMeta[],
>(
  instruction: IInstruction<TProgram> & IInstructionWithAccounts<TAccountMetas> & IInstructionWithData<Uint8Array>,
): ParsedStartOrderExecutionInstruction<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![accountIndex]!;
    accountIndex += 1;
    return accountMeta;
  };
  return {
    programAddress: instruction.programAddress,
    accounts: {
      solver: getNextAccount(),
      order: getNextAccount(),
      guard: getNextAccount(),
      ixSysvar: getNextAccount(),
      collateralTokenMint: getNextAccount(),
      solverCollateralTokenAccount: getNextAccount(),
      guardCollateralTokenAccount: getNextAccount(),
      collateralTokenProgram: getNextAccount(),
    },
    data: getStartOrderExecutionInstructionDataDecoder().decode(instruction.data),
  };
}