#!/usr/bin/env ruby
require 'bundler/setup'
require 'honey_format'

require 'benchmark/ips'
require 'csv'

require 'honey_format/cli/benchmark_cli'

cli = HoneyFormat::BenchmarkCLI.new
Writer = cli.writer
options = cli.options

input_path = options[:input_path]
benchmark_time = options[:benchmark_time]
benchmark_warmup = options[:benchmark_warmup]
lines_multipliers = options[:lines_multipliers]

original_csv = input_path ? File.read(input_path) : cli.fetch_default_benchmark_csv
original_csv_lines = original_csv.lines

runtime_seconds = cli.expected_runtime_seconds(report_count: 3)
Writer.puts "Expected runtime: ~#{runtime_seconds} seconds.", verbose: true

lines_multipliers.each_with_index do |lines_multiplier, index|
  rows = original_csv_lines[1..-1] * lines_multiplier
  csv =  original_csv_lines.first + rows.join

  line_count = csv.lines.length

  Writer.puts "== Benchmark #{index + 1} of #{lines_multipliers.length} =="
  Writer.puts "path           #{cli.used_input_path}"
  Writer.puts "lines          #{line_count}"
  Writer.puts "multiplier     #{lines_multiplier}"

  Benchmark.ips do |x|
    x.time = benchmark_time
    x.warmup = benchmark_warmup

    x.report('CSV no options')   { CSV.parse(csv) }
    x.report('CSV with header')  { CSV.parse(csv, headers: true) }
    x.report('HoneyFormat::CSV') { HoneyFormat::CSV.new(csv).rows }

    x.compare!
  end
end