import path from 'path'
import {readFileSync, writeFileSync} from 'fs'
import {keyBy} from 'lodash-es'

/**
 * This script publishes all packages to npm.
 *
 * It assigns the same version number to all packages (like lerna's fixed mode).
 **/
// It's written in .mjs because I kept running into issues with zx+typescript
const packagesToBuild = [
  'theatre',
  '@theatre/dataverse',
  '@theatre/dataverse-react',
  '@theatre/plugin-r3f',
]

const packagesToPublish = [
  '@theatre/core',
  '@theatre/studio',
  '@theatre/dataverse',
  '@theatre/dataverse-react',
  '@theatre/plugin-r3f',
]

/**
 * All these packages will have the same version from monorepo/package.json
 */
const packagesWhoseVersionsShouldBump = [
  '.',
  'theatre',
  'theatre/core',
  'theatre/studio',
  'packages/dataverse',
  'packages/dataverse-react',
  'packages/plugin-r3f',
]

;(async function () {
  // our packages will check for this env variable to make sure their
  // prepublish script is only called from the `$ cd /path/to/monorepo; yarn run deploy`
  process.env.THEATRE_IS_PUBLISHING = true

  $.verbose = false
  const gitTags = (await $`git tag --list`).toString().split('\n')

  const version = argv._[argv._.length - 1]
  if (typeof version !== 'string') {
    console.error(
      `You need to specify a version, like: $ yarn deploy 1.2.0-rc.4`,
    )
    process.exit(1)
  } else if (!version.match(/^[0-9]+\.[0-9]+\.[0-9]+(\-(dev|rc)\.[0-9])?$/)) {
    console.error(`Use a semver version, like 1.2.3-rc.4. Provided: ${version}`)
    process.exit(1)
  }

  const previousVersion = require('../package.json').version

  if (version === previousVersion) {
    console.error(`Version ${version} is already assigned to root/package.json`)
    process.exit(1)
  }

  if (gitTags.some((tag) => tag === version)) {
    console.error(`There is already a git tag for version ${version}`)
    process.exit(1)
  }

  const allPackages = keyBy(
    (await $`yarn workspaces list --json`)
      .toString()
      .split('\n')
      .filter((s) => s.trim().length > 0)
      .map((s) => JSON.parse(s)),
    'name',
  )

  if ((await $`git status -s`).toString().length > 0) {
    console.error(`Git working directory contains uncommitted changes:`)
    $.verbose = true
    await $`git status -s`
    console.log('Commit/stash them and try again.')
    process.exit(1)
  }

  $.verbose = true
  if (argv['skip-lint'] !== true) {
    console.log('Running a typecheck and lint pass')
    await Promise.all([
      $`yarn run typecheck`,
      $`yarn run lint:all --max-warnings 0`,
    ])
  } else {
    console.log('Skipping typecheck and lint')
  }

  console.log('Assigning versions')
  assignVersions(version)

  console.log('Building all packages')
  await Promise.all(
    packagesToBuild.map(
      (workspace) => $`yarn workspace ${workspace} run build`,
    ),
  )

  // temporarily rolling back the version assignments to make sure they don't show
  // up in `$ git status`. (would've been better to just ignore hese particular changes
  // but i'm lazy)
  await restoreVersions()

  console.log(
    'Checking if the build produced artifacts that must first be comitted to git',
  )
  $.verbose = false
  if ((await $`git status -s`).toString().length > 0) {
    $.verbose = true
    await $`git status -s`
    console.error(`Git directory contains uncommitted changes.`)
    process.exit(1)
  }

  $.verbose = true

  assignVersions(version)
  console.log('Committing/tagging')

  await $`git add .`
  await $`git commit -m ${version}`
  await $`git tag ${version}`

  // if (!gitTags.some((tag) => tag === version)) {
  //   console.log(
  //     `No git tag found for version "${version}". Run \`$ git tag ${version}\` and try again.`,
  //   )
  //   process.exit()
  // }

  console.log('Publishing to npm')
  await Promise.all(
    packagesToPublish.map(
      (workspace) => $`yarn workspace ${workspace} npm publish --access public`,
    ),
  )
})()

function assignVersions(monorepoVersion) {
  for (const packagePathRelativeFromRoot of packagesWhoseVersionsShouldBump) {
    const pathToPackage = path.resolve(
      __dirname,
      '../',
      packagePathRelativeFromRoot,
      './package.json',
    )

    const original = JSON.parse(
      readFileSync(pathToPackage, {encoding: 'utf-8'}),
    )

    const newJson = {...original, version: monorepoVersion}
    writeFileSync(
      path.join(pathToPackage),
      JSON.stringify(newJson, undefined, 2),
      {encoding: 'utf-8'},
    )
  }
}

async function restoreVersions() {
  const wasVerbose = $.verbose
  $.verbose = false
  for (const packagePathRelativeFromRoot of packagesWhoseVersionsShouldBump) {
    const pathToPackageInGit = packagePathRelativeFromRoot + '/package.json'

    await $`git checkout ${pathToPackageInGit}`
  }
  $.verbose = wasVerbose
}