defmodule Lain.CLI do
  @certpath Path.join([
              Mix.Project.build_path(),
              "lib",
              "castore",
              "priv",
              "cacerts.pem"
            ])
  @external_resource @certpath
  @cacerts File.read!(@certpath)

  def main([command, path]) do
    Application.put_env(
      :tailwind,
      :cacerts_path,
      Path.join([File.cwd!(), "_build", "castore.pem"])
    )

    tailwind_args = [
      "--config=#{Path.join(Path.expand(path), "tailwind.config.js")}",
      "--input=#{Path.join(Path.expand(path), "assets/app.css")}",
      "--output=#{Path.join(Path.expand(path), "build/assets/app.css")}",
      "--minify"
    ]

    Application.put_all_env(
      tailwind: [
        version: "3.2.7",
        default: [
          args: tailwind_args,
          cd: Path.expand(path)
        ]
      ]
    )

    Application.ensure_all_started([:castore, :inets, :ssl, :tailwind, :autumn])

    File.write!(Path.join("_build", "castore.pem"), @cacerts)

    Tailwind.install_and_run(:default, tailwind_args)

    case command do
      "build" ->
        Lain.run(path)

      "clean" ->
        Lain.clean(path)

      "serve" ->
        Lain.serve(path)
    end
  end
end