#!/usr/bin/env ruby

require 'bundler/setup'
require 'flows'

require 'benchmark/ips'
require 'pry'
require 'gli'
require 'warning'

require_relative 'benchmark_cli/helpers'
require_relative 'benchmark_cli/examples'

require_relative 'benchmark_cli/ruby'
require_relative 'benchmark_cli/compare'

Warning.ignore(/BigDecimal.new is deprecated/)

# Benchmarking CLI application
class BenchmarkCLI
  extend GLI::App
  extend Flows::Result::Helpers

  program_desc 'Benchmark runner'

  use_openstruct true

  desc 'Run Ruby benchmarks'
  ruby_benchmarks = Ruby::BENCHMARKS.keys.map(&:to_s)
  command :ruby do |cmd|
    cmd.flag(
      %i[b benchmarks],
      desc: "benchmarks to run. Pick from: #{ruby_benchmarks.join(', ')}. By default all the benchmarks are executed.",
      type: String,
      multiple: true,
      must_match: ruby_benchmarks,
      default_value: ruby_benchmarks
    )

    cmd.action do |_gopts, opts, _args|
      result = Ruby::Command.new(opts.benchmarks).call

      case result
      when match_ok then puts 'Benchmark finished! Thank you for patience!'
      when match_err then exit_now!(result.error)
      end
    end
  end

  desc 'Compare different Flows abstractions and alternatives from the other libraries'
  command :compare do |cmd|
    benchmarks = Compare::BENCHMARKS.keys.map(&:to_s)
    cmd.flag %i[b benchmarks],
             desc: 'benchmarks to run',
             type: String,
             multiple: true,
             must_match: benchmarks,
             default_value: benchmarks

    implementations = Compare::IMPLEMENTATIONS.keys.map(&:to_s)
    cmd.flag %i[i implementations],
             desc: 'implementations to compare',
             type: String,
             multiple: true,
             must_match: implementations,
             default_value: implementations

    cmd.action do |_gopts, opts, _args|
      result = Compare::Command.new(opts.benchmarks, opts.implementations).call

      case result
      when match_ok then puts 'Benchmark finished! Thank you for patience!'
      when match_err then exit_now!(result.error)
      end
    end
  end
end

exit BenchmarkCLI.run(ARGV)