const fs = require(`fs-extra`)
const path = require(`path`)

const { promisifiedSpawn } = require(`../utils/promisified-spawn`)
const { registryUrl } = require(`./verdaccio-config`)

const NPMRCContent = `${registryUrl.replace(
  /https?:/g,
  ``
)}/:_authToken="medusa-dev"`

const {
  getMonorepoPackageJsonPath,
} = require(`../utils/get-monorepo-package-json-path`)
const { registerCleanupTask } = require(`./cleanup-tasks`)

/**
 * Edit package.json to:
 *  - adjust version to temporary one
 *  - change version selectors for dependencies that
 *    will be published, to make sure that yarn
 *    install them in local site
 */
const adjustPackageJson = ({
  monoRepoPackageJsonPath,
  packageName,
  versionPostFix,
  packagesToPublish,
  ignorePackageJSONChanges,
  packageNameToPath,
}) => {
  // we need to check if package depend on any other package to will be published and
  // adjust version selector to point to dev version of package so local registry is used
  // for dependencies.

  const monorepoPKGjsonString = fs.readFileSync(
    monoRepoPackageJsonPath,
    `utf-8`
  )
  const monorepoPKGjson = JSON.parse(monorepoPKGjsonString)

  monorepoPKGjson.version = `${monorepoPKGjson.version}-dev-${versionPostFix}`
  packagesToPublish.forEach((packageThatWillBePublished) => {
    if (
      monorepoPKGjson.dependencies &&
      monorepoPKGjson.dependencies[packageThatWillBePublished]
    ) {
      const currentVersion = JSON.parse(
        fs.readFileSync(
          getMonorepoPackageJsonPath({
            packageName: packageThatWillBePublished,
            packageNameToPath,
          }),
          `utf-8`
        )
      ).version

      monorepoPKGjson.dependencies[
        packageThatWillBePublished
      ] = `${currentVersion}-dev-${versionPostFix}`
    }
  })

  const temporaryMonorepoPKGjsonString = JSON.stringify(monorepoPKGjson)

  const unignorePackageJSONChanges = ignorePackageJSONChanges(packageName, [
    monorepoPKGjsonString,
    temporaryMonorepoPKGjsonString,
  ])

  // change version and dependency versions
  fs.outputFileSync(monoRepoPackageJsonPath, temporaryMonorepoPKGjsonString)

  return {
    newPackageVersion: monorepoPKGjson.version,
    unadjustPackageJson: registerCleanupTask(() => {
      // restore original package.json
      fs.outputFileSync(monoRepoPackageJsonPath, monorepoPKGjsonString)
      unignorePackageJSONChanges()
    }),
  }
}

/**
 * Anonymous publishing require dummy .npmrc
 * See https://github.com/verdaccio/verdaccio/issues/212#issuecomment-308578500
 * This is `npm publish` (as in linked comment) and `yarn publish` requirement.
 * This is not verdaccio restriction.
 */
const createTemporaryNPMRC = ({ pathToPackage, root }) => {
  const NPMRCPathInPackage = path.join(pathToPackage, `.npmrc`)
  fs.outputFileSync(NPMRCPathInPackage, NPMRCContent)

  const NPMRCPathInRoot = path.join(root, `.npmrc`)
  fs.outputFileSync(NPMRCPathInRoot, NPMRCContent)

  return registerCleanupTask(() => {
    fs.removeSync(NPMRCPathInPackage)
    fs.removeSync(NPMRCPathInRoot)
  })
}

const publishPackage = async ({
  packageName,
  packagesToPublish,
  versionPostFix,
  ignorePackageJSONChanges,
  packageNameToPath,
  root,
}) => {
  const monoRepoPackageJsonPath = getMonorepoPackageJsonPath({
    packageName,
    packageNameToPath,
  })

  const { unadjustPackageJson, newPackageVersion } = adjustPackageJson({
    monoRepoPackageJsonPath,
    packageName,
    packageNameToPath,
    versionPostFix,
    packagesToPublish,
    ignorePackageJSONChanges,
  })

  const pathToPackage = path.dirname(monoRepoPackageJsonPath)

  const uncreateTemporaryNPMRC = createTemporaryNPMRC({ pathToPackage, root })

  // npm publish
  const publishCmd = [
    `npm`,
    [`publish`, `--tag`, `medusa-dev`, `--registry=${registryUrl}`],
    {
      cwd: pathToPackage,
    },
  ]

  console.log(
    `Publishing ${packageName}@${newPackageVersion} to local registry`
  )
  try {
    await promisifiedSpawn(publishCmd)

    console.log(
      `Published ${packageName}@${newPackageVersion} to local registry`
    )
  } catch (e) {
    console.error(`Failed to publish ${packageName}@${newPackageVersion}`, e)
    process.exit(1)
  }

  uncreateTemporaryNPMRC()
  unadjustPackageJson()

  return newPackageVersion
}

exports.publishPackage = publishPackage