import assembleReleasePlan from '@changesets/assemble-release-plan';
import readChangesets from '@changesets/read';
import { read } from '@changesets/config';
import { getPackages } from '@manypkg/get-packages';
import { readPreState } from '@changesets/pre';

function _defineProperty(obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }

  return obj;
}

function ownKeys(object, enumerableOnly) {
  var keys = Object.keys(object);

  if (Object.getOwnPropertySymbols) {
    var symbols = Object.getOwnPropertySymbols(object);
    if (enumerableOnly) symbols = symbols.filter(function (sym) {
      return Object.getOwnPropertyDescriptor(object, sym).enumerable;
    });
    keys.push.apply(keys, symbols);
  }

  return keys;
}

function _objectSpread2(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? arguments[i] : {};

    if (i % 2) {
      ownKeys(Object(source), true).forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    } else if (Object.getOwnPropertyDescriptors) {
      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
    } else {
      ownKeys(Object(source)).forEach(function (key) {
        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
      });
    }
  }

  return target;
}

async function getReleasePlan(cwd, sinceRef, passedConfig) {
  const packages = await getPackages(cwd);
  const preState = await readPreState(cwd);
  const readConfig = await read(cwd, packages);
  const config = passedConfig ? _objectSpread2(_objectSpread2({}, readConfig), passedConfig) : readConfig;
  const changesets = await readChangesets(cwd, sinceRef);
  return assembleReleasePlan(changesets, packages, config, preState);
}

export default getReleasePlan;