// bindings for common env settings

import { ConfigurableTaskDefinition } from "hardhat/types";
import { types } from "hardhat/config";

/**
 * Registers all `CompilerArgs` on the hardhat `ConfigurableTaskDefinition`
 * @param task
 */
export function registerEnvArgs(
  task: ConfigurableTaskDefinition
): ConfigurableTaskDefinition {
  return task
    .addOptionalParam("gasLimit", "The block gas limit.", undefined, types.int)
    .addOptionalParam("chainId", "The chain Id.", undefined, types.int)
    .addOptionalParam("gasPrice", "The gas price.", undefined, types.int)
    .addOptionalParam("txOrigin", undefined, undefined, types.string)
    .addOptionalParam("blockCoinbase", undefined, undefined, types.string)
    .addOptionalParam("blockTimestamp", undefined, undefined, types.int)
    .addOptionalParam("blockNumber", undefined, undefined, types.int)
    .addOptionalParam("blockDifficulty", undefined, undefined, types.int)
    .addOptionalParam("blockGasLimit", undefined, undefined, types.int);
}

/**
 * Mirrors the `forge build` arguments
 */
export declare interface ForgeEnvArgs {
  gasLimit?: number;
  chainId?: number;
  gasPrice?: string | number;
  txOrigin?: string;
  blockCoinbase?: string;
  blockTimestamp?: number;
  blockNumber?: number;
  blockDifficulty?: number;
  blockGasLimit?: number;
}

/**
 * Transforms the `ForgeEnvArgs` in to a list of command arguments
 * @param args
 */
export function envArgs(args: ForgeEnvArgs): string[] {
  const allArgs: string[] = [];

  const gasLimit = args.gasLimit ?? -1;
  if (gasLimit >= 0) {
    allArgs.push("--gas-limit", gasLimit.toString());
  }

  const chainId = args.chainId ?? -1;
  if (chainId >= 0) {
    allArgs.push("--chain-id", chainId.toString());
  }

  const gasPrice = args.gasPrice ?? -1;
  if (gasPrice >= 0) {
    allArgs.push("--gas-price", gasPrice.toString());
  }

  const txOrigin = args.txOrigin ?? "";
  if (txOrigin) {
    allArgs.push("--tx-origin", txOrigin);
  }

  const blockCoinbase = args.blockCoinbase ?? "";
  if (blockCoinbase) {
    allArgs.push("--block-coinbase", blockCoinbase);
  }

  const blockTimestamp = args.blockTimestamp ?? -1;
  if (blockTimestamp >= 0) {
    allArgs.push("--block-timestamp", blockTimestamp.toString());
  }

  const blockNumber = args.blockNumber ?? -1;
  if (blockNumber >= 0) {
    allArgs.push("--block-number", blockNumber.toString());
  }

  const blockDifficulty = args.blockDifficulty ?? -1;
  if (blockDifficulty >= 0) {
    allArgs.push("--block-difficulty", blockDifficulty.toString());
  }

  const blockGasLimit = args.blockGasLimit ?? -1;
  if (blockGasLimit >= 0) {
    allArgs.push("--block-gas-limit", blockGasLimit.toString());
  }

  return allArgs;
}