import Converter from "ansi-to-html";
import * as core from "@actions/core";
import fs from "fs";

export function main() {
  const converter = new Converter();
  const input = core.getInput("input", { required: false });
  const encoding = core.getInput("encoding", { required: true });
  const path = core.getInput("path", { required: false });

  if (!input && !path) {
    return core.setFailed("You must provide either an input or path.");
  }

  if (input && path) {
    return core.setFailed("You must provide either an input or path, not both.");
  }

  if (input) {
    core.setOutput("contents", converter.toHtml(input));
  } else {
    if (!fs.existsSync(path)) {
      return core.setFailed(`Path ${path} does not exist.`);
    }

    const raw = fs.readFileSync(path).toString(encoding);
    core.setOutput("contents", converter.toHtml(raw));
  }
}

try {
  main();
} catch (err) {
  core.setFailed(err.message);
}