"use strict";

const minimist = require("minimist");

const prettier = eval("require")("../index");
const constant = require("./cli-constant");
const util = require("./cli-util");
const validator = require("./cli-validator");
const logger = require("./cli-logger");

function run(args) {
  const rawArgv = minimist(args, constant.minimistOptions);

  process.env[logger.ENV_LOG_LEVEL] =
    rawArgv["loglevel"] || constant.detailedOptionMap["loglevel"].default;

  const argv = util.normalizeConfig("cli", rawArgv);

  logger.debug(`normalized argv: ${JSON.stringify(argv)}`);

  argv.__args = args;
  argv.__filePatterns = argv["_"];

  validator.validateArgv(argv);

  if (argv["version"]) {
    console.log(prettier.version);
    process.exit(0);
  }

  if (argv["help"] !== undefined) {
    console.log(
      typeof argv["help"] === "string" && argv["help"] !== ""
        ? util.createDetailedUsage(argv["help"])
        : util.createUsage()
    );
    process.exit(0);
  }

  if (argv["support-info"]) {
    console.log(
      prettier.format(JSON.stringify(prettier.getSupportInfo()), {
        parser: "json"
      })
    );
    process.exit(0);
  }

  const hasFilePatterns = argv.__filePatterns.length !== 0;
  const useStdin = argv["stdin"] || (!hasFilePatterns && !process.stdin.isTTY);

  if (argv["find-config-path"]) {
    util.logResolvedConfigPathOrDie(argv["find-config-path"]);
  } else if (useStdin) {
    util.formatStdin(argv);
  } else if (hasFilePatterns) {
    util.formatFiles(argv);
  } else {
    console.log(util.createUsage());
    process.exit(1);
  }
}

module.exports = {
  run
};