/*
Copyright 2024 Resultium LLC

This file is part of RCZ.

RCZ is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version.

RCZ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with RCZ. If not, see <https://www.gnu.org/licenses/>.
*/

import { Command } from "commander";
import { getConfig } from "../utils/functions";
import { readFileSync } from "fs";

const command = new Command("validate")
  .description("Validate whether a string fits given commit conventions")
  .argument("[message]", "string for validation")
  .option("-C, --code-only", "return code only")
  .action(async (string: string, options) => {
    try {
      const message = string || readFileSync(0, "utf-8");
      const codeOnly = options.codeOnly ? true : false;

      const config = await getConfig();

      // Regex for testing:
      // /(build|feat|docs)(\((commands|changelog)\))?!?: .* ?(\(..*\))?((\n\n..*)?(\n\n..*)?)?/gm

      const testRegex = new RegExp(
        `(${
          config?.types?.map((type) => type.value).join("|") ||
          "feat|fix|build|ci|docs|perf|refactor|chore"
        })(\\((${
          config?.scopes ? [...config?.scopes, "release"].join("|") : "..*"
        })\\))?!?: .* ?(\\(..*\\))?((\n\n..*)?(\n\n..*)?)?`,
        "gm",
      );

      if (codeOnly) {
        console.log(testRegex.test(message) ? 0 : 1);
      } else {
        console.log(
          testRegex.test(message)
            ? "[rcz]: valid message"
            : "[rcz]: invalid message",
        );
      }
    } catch (err) {
      console.log("[rcz]: no stdin found");
    }
  });

export default command;