#!/usr/bin/env ruby
# frozen_string_literal: true

ENV["RAILS_ENV"] ||= "test"

require "./lib/turbo_tests"
require "optparse"

requires = []
formatters = []
verbose = false
fail_fast = nil
seed = rand(2**16)
profile = false
profile_print_slowest_examples_count = 10
use_runtime_info = nil
enable_system_tests = nil
disable_system_tests = nil
retry_and_log_flaky_tests = !!ENV["DISCOURSE_TURBO_RSPEC_RETRY_AND_LOG_FLAKY_TESTS"]

OptionParser
  .new do |opts|
    opts.on("-r", "--require PATH", "Require a file.") { |filename| requires << filename }

    opts.on("-f", "--format FORMATTER", "Choose a formatter.") do |name|
      formatters << { name: name, outputs: [] }
    end

    opts.on("-o", "--out FILE", "Write output to a file instead of $stdout") do |filename|
      formatters << { name: "progress", outputs: [] } if formatters.empty?
      formatters.last[:outputs] << filename
    end

    opts.on("-v", "--verbose", "More output") { verbose = true }

    opts.on(
      "-p",
      "--profile=[COUNT]",
      "Benchmark the runtime of each example and list the slowest examples (default: 10)",
    ) do |count|
      profile = true
      profile_print_slowest_examples_count = count.to_i if count
    end

    opts.on("--fail-fast=[N]") do |n|
      n =
        begin
          Integer(n)
        rescue StandardError
          nil
        end
      fail_fast = (n.nil? || n < 1) ? 1 : n
    end

    opts.on(
      "--retry-and-log-flaky-tests",
      "Retry failed tests and log if test is deemed to be flaky",
    ) { retry_and_log_flaky_tests = true }

    opts.on("--seed SEED", "The seed for the random order") { |s| seed = s.to_i }

    opts.on("--use-runtime-info", "Use runtime info for tests group splitting") do
      use_runtime_info = true
    end

    opts.on("--enable-system-tests", "Run the system tests (defaults false)") do
      enable_system_tests = true
    end

    opts.on("--disable-system-tests", "Don't run the system tests (defaults true)") do
      disable_system_tests = true
    end
  end
  .parse!(ARGV)

if enable_system_tests && disable_system_tests
  STDERR.puts "Error: I'm not sure how to enable and disable system tests simultaneously"
  exit 1
end

# OptionParser modifies ARGV, leaving the leftover arguments in ARGV
if ARGV.empty?
  if !enable_system_tests && !disable_system_tests
    STDERR.puts "Not running system tests since it wasn't explicitly specified"
  end

  run_system_tests = !!enable_system_tests

  files =
    if run_system_tests
      ["#{Rails.root}/spec"]
    else
      TurboTests::Runner.default_spec_folders
    end

  use_runtime_info = true if use_runtime_info.nil?
else
  if enable_system_tests || disable_system_tests
    STDERR.puts "Ignoring system test options since files were specified"
  end

  files = ARGV
  use_runtime_info = false if use_runtime_info.nil?
end

requires.each { |f| require(f) }

formatters << { name: "progress", outputs: [] } if formatters.empty?

formatters.each { |formatter| formatter[:outputs] << "-" if formatter[:outputs].empty? }

puts "::group::Run turbo_rspec" if ENV["GITHUB_ACTIONS"]
puts "Running turbo_rspec (seed: #{seed}) using files in: #{files}"
puts "::endgroup::" if ENV["GITHUB_ACTIONS"]

success =
  TurboTests::Runner.run(
    formatters: formatters,
    files: files,
    verbose: verbose,
    fail_fast: fail_fast,
    use_runtime_info: use_runtime_info,
    seed: seed.to_s,
    profile:,
    profile_print_slowest_examples_count:,
    retry_and_log_flaky_tests:,
  )

if success
  exit 0
else
  exit 1
end