import glob from "fast-glob";
import path from "path";

export const description = "Runs tests.";

export const options = [];

export const required = [
  ["--glob <regex>", "Directory pattern to find test runners.", "./tests/**/*_test?.js"],
];

const report_error = (id, error) => {
  console.error(error, `Running function ${id}`);
}

export const main = async (opts) => {
  const test_files = await glob(opts.glob);

  const stats = {
    pass: 0, fail: 0
  }

  const errors = {}

  for(let suite_name of test_files) {
    const full_path = path.resolve(suite_name);
    const test_module = await import(`file://${full_path}`);

    for(let [name, func] of Object.entries(test_module)) {
      const id = `${suite_name}:${name}`;
      console.log("------- RUNNING", id);
      try {
        await func();
        stats.pass += 1;
      } catch(error) {
        stats.fail += 1;
        errors[id] = error;
        report_error(func, id, error);
      }

      console.log("\n");
    }
  }

  if(Object.keys(errors).length > 0) {
    console.log("!!!!!!!!!!!!!! ERRORS !!!!!!!!!!!!!!!!");
    for(let [id, error] of Object.entries(errors)) {
      report_error(id, error);
    }
  }

  console.log("\nPASS: ", stats.pass, "FAIL: ", stats.fail);
}