const fs = require("fs");
const { dedent } = require("tslint/lib/utils");

const template = (name) => dedent`
// @ts-ignore
import { ${name}ABI } from "../../abis/${name}.abi";

import { Web3ContractProvider, Web3ProviderExtras } from "../web3.provider";

import {
  ${name}ContractEventType,
  ${name}ContractFunctions,
  // @ts-ignore
} from "./aut-contract-functions";

const Web3${name}Provider = (
  addressOrName: string,
  extras?: Partial<Web3ProviderExtras<${name}ContractEventType>>
) => {
  return Web3ContractProvider<${name}ContractEventType, ${name}ContractFunctions>(
    addressOrName,
    ${name}ABI,
    extras as Web3ProviderExtras<${name}ContractEventType>
  );
};

export { Web3${name}Provider, ${name}ContractEventType, ${name}ContractFunctions };
`;

const updateImport = async (name) => {
  try {
    const dirName = `src/ProviderFactory/index.ts`;
    const fileData = fs.readFileSync(dirName);
    const fileAsStr = fileData.toString("utf8");

    fs.writeFileSync(
      dirName,
      dedent`${fileAsStr}export * from "./${name}Provider";`,
      { encoding: "utf8" }
    );
  } catch (err) {
    console.log(err);
  }
};

export const createProviderFactoryDirs = (contractName) => {
  const dirName = `src/ProviderFactory/${contractName}Provider`;
  if (!fs.existsSync(dirName)) {
    fs.mkdirSync(dirName);
    fs.writeFileSync(`${dirName}/index.ts`, template(contractName), {
      encoding: "utf8",
    });
    updateImport(contractName);
  }
};