#!/usr/bin/env ruby
###############################################################################
## Script  : easyfpm-translatecl
## Author  : Erwan SEITE
## Aim     : Translate an easyfpm changelog file to a deb or rpm changelog
## Licence : GPL v2
## Source  : https://github.com/wanix/easyfpm.git
###############################################################################

#Libraries needed
require 'optparse'
$: << File.join(File.dirname(__FILE__), "..", "lib")
require 'easyfpm'

###############################################################################
## Main
###############################################################################
#Prise en charge des options
options = {}
optparse = OptionParser.new do |opts|
  opts.banner = "Usage easyfpm-translatecl [options]"

  opts.on("-f", "--file [PATH]", String, "easyfpm changelog format file") do |opt|
    options[:file] = opt
  end

  opts.on("-t", "--translation [deb|rpm]", String, "deb or rpm translation (default rpm)") do |opt|
    options[:translate] = opt.downcase
  end

  opts.on("-d", "--date [DATE]", String, "defaut date if don't exists, format '%Y-%m-%d %H:%M:%S'") do |opt|
    options[:date] = Time.parse(opt)
  end

  opts.on("-p", "--package [PACKAGE NAME]", String, "Package name needed for Debian (default dirname of filepath given)") do |opt|
    options[:package] = opt
  end

  opts.on("-u", "--urgency [PACKAGE URGENCY]", String, "urgency needed for Debian (default low)") do |opt|
    options[:urgency] = opt
  end

  opts.on("-D", "--distribution [Debian Distribution]", String, "Debian Distribution (default stable)") do |opt|
    options[:distribution] = opt
  end

  opts.on("--version", "Display version") do |opt|
    puts "easyfpm version #{EASYFPM::VERSION}"
    exit
  end

  opts.on("-h", "--help", "Display help") do |opt|
    puts opts
    exit
  end
end

#Looking for options valuability
optparse.parse!
options[:translate] = "rpm" if options[:translate].nil?
if options[:file].nil?
  warn "Error: --file [PATH] needed"
  exit 1
end
unless File.readable?(options[:file])
  warn "Error: #{options[:file]} is not readable"
  exit 1
end

easyfpmcl = EASYFPM::PkgChangelog.new(options[:file])
easyfpmcl.defaultDate = options[:date] if options.key? :date
easyfpmcl.pkgname = options[:package] if options.key? :package
easyfpmcl.distribution = options[:distribution] if options.key? :distribution
easyfpmcl.urgency = options[:urgency] if options.key? :urgency

exit 0 if easyfpmcl.print(options[:translate])
exit 1