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 | defmodule Mix.Tasks.GenerateConfig do
  use Mix.Task
  @shortdoc "Generates a new config"
  def run(_) do
    IO.puts("Answer a few questions to generate a new config\n")
    IO.puts("--- THIS WILL OVERWRITE YOUR config/generated_config.exs! ---\n")
    domain = IO.gets("What is your domain name? (e.g. pleroma.soykaf.com): ") |> String.trim()
    name = IO.gets("What is the name of your instance? (e.g. Pleroma/Soykaf): ") |> String.trim()
    email = IO.gets("What's your admin email address: ") |> String.trim()
    mediaproxy =
      IO.gets("Do you want to activate the mediaproxy? (y/N): ")
      |> String.trim()
      |> String.downcase()
      |> String.starts_with?("y")
    proxy_url =
      if mediaproxy do
        IO.gets("What is the mediaproxy's URL? (e.g. https://cache.example.com): ")
        |> String.trim()
      else
        "https://cache.example.com"
      end
    secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
    dbpass = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
    resultSql = EEx.eval_file("lib/mix/tasks/sample_psql.eex", dbpass: dbpass)
    result =
      EEx.eval_file(
        "lib/mix/tasks/sample_config.eex",
        domain: domain,
        email: email,
        name: name,
        secret: secret,
        mediaproxy: mediaproxy,
        proxy_url: proxy_url,
        dbpass: dbpass
      )
    IO.puts(
      "\nWriting config to config/generated_config.exs.\n\nCheck it and configure your database, then copy it to either config/dev.secret.exs or config/prod.secret.exs"
    )
    File.write("config/generated_config.exs", result)
    IO.puts(
      "\nWriting setup_db.psql, please run it as postgre superuser, i.e.: sudo su postgres -c 'psql -f config/setup_db.psql'"
    )
    File.write("config/setup_db.psql", resultSql)
  end
end
 |