#!/usr/bin/env ruby
# Checks if a given license meets the approval criteria to be added to choosealicense.com
# See https://github.com/github/choosealicense.com/blob/gh-pages/CONTRIBUTING.md#adding-a-license
# Usage: script/check-approval [SPDX LICENSE ID]

require_relative '../spec/spec_helper'
require 'terminal-table'
require 'colored'
require 'fuzzy_match'

# Display usage instructions
if ARGV.count != 1
  puts File.open(__FILE__).read.scan(/^# .*/)[0...3].join("\n").gsub(/^# /,"")
end

class TrueClass
  def to_s
    "Yes".green
  end
end

class FalseClass
  def to_s
    "No".red
  end
end

license = ARGV[0].downcase.strip
approvals = {
  "OSI": osi_approved_licenses,
  "FSF": fsf_approved_licenses,
  "OD":  od_approved_licenses
}

id, spdx = find_spdx(license)
rows = []

if spdx.nil?
  id = "Invalid".red
  name = "None".red
else
  id = id.green
  name = spdx["name"].green
end

rows << ["SPDX ID", id]
rows << ["SPDX Name", name]

approvals.each do |name, licenses|
  rows << ["#{name} approved", licenses.include?(license)]
end

rows << :separator
eligible = !!(spdx && approved_licenses.include?(license))
rows << ["Eligible", eligible]

puts Terminal::Table.new title: "License: #{license}", rows: rows
puts
puts "Code search: https://github.com/search?q=#{license}+filename%3ALICENSE&type=Code"

if spdx.nil?
  puts
  puts "SPDX ID not found. Some possible matches:"
  puts
  
  fm = FuzzyMatch.new(spdx_ids)
  matches = fm.find_all_with_score(license)
  matches = matches[0...5].map { |record, _dice, _levin| record }
  matches.each { |l| puts "* #{l}" }
end