#!/usr/bin/env ruby

require './rawspeed_common.rb'

require 'net/http'

DTPRESETS=File.expand_path("../src/external/wb_presets.c", File.dirname(__FILE__))
UFRAWPRESETS=URI('http://ufraw.cvs.sourceforge.net/viewvc/ufraw/ufraw/wb_presets.c?content-type=text%2Fplain')

puts "Fetching ufraw presets from their CVS, may take a moment..."
ufraw_presets = {}
Net::HTTP.get(UFRAWPRESETS).each_line do |line|
  if line[0..2] == "  {"
    lineparts = line.split('"')
    cameraname = [lineparts[1].upcase, lineparts[3].upcase]
    if cameraname.join.strip != ""
      ufraw_presets[cameraname] ||= []
      ufraw_presets[cameraname] << line
    end
  end
end

dt_presets = {}
File.open(DTPRESETS) do |f|
  f.each do |line|
    if line[0..2] == "  {"
      lineparts = line.split('"')
      cameraname = [lineparts[1], lineparts[3]]
      dt_presets[cameraname] ||= []
      dt_presets[cameraname] << line
    end
  end
end

forward_hash, backward_hash = RawSpeedCommon.generate_hashes()

grab_from_ufraw = []
forward_hash.each do |exif_name, clean_name|
  if(ufraw_presets[exif_name] && !dt_presets[clean_name])
    grab_from_ufraw << [exif_name, clean_name]
  end
end

submit_to_ufraw = []
backward_hash.each do |clean_name, exif_names|
  if dt_presets[clean_name] 
    exif_names.keys.each do |exif_name|
      if !ufraw_presets[exif_name]
        submit_to_ufraw << [clean_name, exif_name]
      end
    end
  end
end

def change_makermodel(line, make, model)
  lineparts = line.split('"')
  lineparts[1] = make
  lineparts[3] = model
  lineparts.join('"')
end

puts "Found #{grab_from_ufraw.size} cameras to copy ufraw->darktable"
grab_from_ufraw.each do |exif_name, clean_name|
  ufraw_presets[exif_name].each do |line|
    puts change_makermodel(line, *clean_name)
  end
  puts ""
end

puts "Found #{submit_to_ufraw.size} cameras to submit darktable->ufraw"
submit_to_ufraw.each do |clean_name, exif_name|
  dt_presets[clean_name].each do |line|
    puts change_makermodel(line, *exif_name)
  end
  puts ""
end