defmodule Pleroma.InstanceTest do
  use ExUnit.Case, async: true

  setup do
    File.mkdir_p!(tmp_path())
    on_exit(fn -> File.rm_rf(tmp_path()) end)
    :ok
  end

  defp tmp_path do
    "/tmp/generated_files/"
  end

  test "running gen" do
    mix_task = fn ->
      Mix.Tasks.Pleroma.Instance.run([
        "gen",
        "--output",
        tmp_path() <> "generated_config.exs",
        "--output-psql",
        tmp_path() <> "setup.psql",
        "--domain",
        "test.pleroma.social",
        "--instance-name",
        "Pleroma",
        "--admin-email",
        "admin@example.com",
        "--notify-email",
        "notify@example.com",
        "--dbhost",
        "dbhost",
        "--dbname",
        "dbname",
        "--dbuser",
        "dbuser",
        "--dbpass",
        "dbpass",
        "--indexable",
        "y",
        "--db-configurable",
        "y"
      ])
    end

    ExUnit.CaptureIO.capture_io(fn ->
      mix_task.()
    end)

    generated_config = File.read!(tmp_path() <> "generated_config.exs")
    assert generated_config =~ "host: \"test.pleroma.social\""
    assert generated_config =~ "name: \"Pleroma\""
    assert generated_config =~ "email: \"admin@example.com\""
    assert generated_config =~ "notify_email: \"notify@example.com\""
    assert generated_config =~ "hostname: \"dbhost\""
    assert generated_config =~ "database: \"dbname\""
    assert generated_config =~ "username: \"dbuser\""
    assert generated_config =~ "password: \"dbpass\""
    assert generated_config =~ "dynamic_configuration: true"
    assert File.read!(tmp_path() <> "setup.psql") == generated_setup_psql()
  end

  defp generated_setup_psql do
    ~s(CREATE USER dbuser WITH ENCRYPTED PASSWORD 'dbpass';\nCREATE DATABASE dbname OWNER dbuser;\n\\c dbname;\n--Extensions made by ecto.migrate that need superuser access\nCREATE EXTENSION IF NOT EXISTS citext;\nCREATE EXTENSION IF NOT EXISTS pg_trgm;\nCREATE EXTENSION IF NOT EXISTS \"uuid-ossp\";\n)
  end
end