import { SUPPORTED_PACKAGE_MANAGER } from "../types";

const descriptions = {
  build: "Compiles and minifies for production",
  serve: "Compiles and hot-reloads for development",
  lint: "Lints and fixes files",
  "test:unit": "Run your unit tests",
};

function printScripts(pkg: any, packageManager: SUPPORTED_PACKAGE_MANAGER): string {
  return Object.keys(pkg.scripts || {})
    .map((key) => {
      if (!descriptions[key]) return "";
      return [
        `\n### ${descriptions[key]}`,
        "```",
        `${packageManager} ${packageManager !== "yarn" ? "run " : ""}${key}`,
        "```",
        "",
      ].join("\n");
    })
    .join("");
}

export const generateReadme = function(pkg: any, packageManager: SUPPORTED_PACKAGE_MANAGER): string {
  return [
    `# ${pkg.name}\n`,
    "## Project setup",
    "```",
    `${packageManager} install`,
    "```",
    printScripts(pkg, packageManager),
  ].join("\n");
};