#!/usr/bin/env node
const fs = require("fs")
const { resolve } = require("path")

const root = resolve(__dirname, "../../..")
const packages = [
  root,
  resolve(root, "packages/web"),
  resolve(root, "packages/opvault.js"),
]

const readJSON = path => JSON.parse(fs.readFileSync(path, "utf-8"))
const infoMap = Object.fromEntries(
  packages.flatMap(dir => {
    const rootPkg = readJSON(resolve(dir, "package.json"))
    const dependencies = Object.keys(rootPkg.dependencies || {})
    return dependencies.map(dependency => {
      const pkgDir = resolve(dir, "node_modules", dependency)
      const pkg = readJSON(resolve(pkgDir, "package.json"))
      const licenseFile = fs
        .readdirSync(pkgDir)
        .filter(x => x.toLowerCase().startsWith("license"))
      if (licenseFile.length !== 1) {
        console.error(fs.readdirSync(pkgDir))
        throw new Error(`Cannot determine license file for ${pkg.name}`)
      }
      return [
        pkg.name,
        {
          name: pkg.name,
          author: pkg.author?.name ?? pkg.author,
          license: fs.readFileSync(resolve(pkgDir, licenseFile[0]), "utf-8"),
        },
      ]
    })
  })
)

fs.writeFileSync(
  resolve(__dirname, "../src/third-party-licenses.json"),
  JSON.stringify(infoMap, null, 2)
)