#!/usr/bin/env ruby

require './rawspeed_common.rb'
require './wb_presets_common.rb'

require 'net/http'
require 'deep_merge'

UFRAWPRESETS=URI('http://ufraw.cvs.sourceforge.net/viewvc/ufraw/ufraw/wb_presets.c?content-type=text%2Fplain')
#UFRAWPRESETS=File.expand_path("/tmp/wb_presets.c")

puts "Fetching ufraw presets from their CVS, may take a moment..."
ufraw_presets = {}
Net::HTTP.get(UFRAWPRESETS).each_line do |line|
#File.open(UFRAWPRESETS).each do |line|
  WbPresetsCommon.parse_preset(ufraw_presets, line, true)
end

dt_presets = WbPresetsCommon.dt_presets()

forward_hash, backward_hash = RawSpeedCommon.generate_hashes()

ufraw_merged = {}
backward_hash.each do |clean_name, exif_names|
  exif_names.keys.each do |exif_name|
    if ufraw_presets[exif_name]
      if !ufraw_merged.key?(clean_name)
        ufraw_merged[clean_name] = ufraw_presets[exif_name]
      else
        ufraw_merged[clean_name].deep_merge!(ufraw_presets[exif_name])
      end
    end
  end
end

#output_presets(ufraw_merged)
#exit

grab_from_ufraw = {}
forward_hash.each do |exif_name, clean_name|
  if(ufraw_merged.key?(clean_name) && !dt_presets.key?(clean_name))
    grab_from_ufraw[clean_name] = ufraw_merged[clean_name]
  end
  if(ufraw_merged.key?(clean_name) && dt_presets.key?(clean_name))
    ufraw_merged[clean_name].each do |preset, hash|
      # different names for some Fluorescent, Tungsten, and Shade presets...
      # if(ufraw_merged[clean_name].key?(preset) && !dt_presets[clean_name].key?(preset))
      #   grab_from_ufraw[clean_name] = Hash.new if not grab_from_ufraw.key?(clean_name)
      #   grab_from_ufraw[clean_name][preset] = hash
      # end

      if((ufraw_merged[clean_name].length > dt_presets[clean_name].length) &&
         (ufraw_merged[clean_name].key?(preset) && !dt_presets[clean_name].key?(preset)))
        grab_from_ufraw[clean_name] = Hash.new if not grab_from_ufraw.key?(clean_name)
        grab_from_ufraw[clean_name][preset] = hash
      end

      if(ufraw_merged[clean_name].key?(preset) && dt_presets[clean_name].key?(preset))
        hash.each do |tune, values|
          if(ufraw_merged[clean_name][preset].key?(tune) && !dt_presets[clean_name][preset].key?(tune))
            grab_from_ufraw[clean_name] = Hash.new if not grab_from_ufraw.key?(clean_name)
            grab_from_ufraw[clean_name][preset] = Hash.new if not grab_from_ufraw[clean_name].key?(preset)
            grab_from_ufraw[clean_name][preset][tune] = values
          end

          if(ufraw_merged[clean_name][preset].key?(tune) && dt_presets[clean_name][preset].key?(tune) &&
             (
              (ufraw_merged[clean_name][preset][tune].join(',').length > dt_presets[clean_name][preset][tune].join(',').length) ||
              (
               ((ufraw_merged[clean_name][preset][tune][0] - dt_presets[clean_name][preset][tune][0]).abs > 1.0e-6) &&
               ufraw_merged[clean_name][preset][tune][0].to_s.length >= dt_presets[clean_name][preset][tune][0].to_s.length
              ) ||
              (
               ((ufraw_merged[clean_name][preset][tune][2] - dt_presets[clean_name][preset][tune][2]).abs > 1.0e-6) &&
               ufraw_merged[clean_name][preset][tune][0].to_s.length >= dt_presets[clean_name][preset][tune][0].to_s.length
              )
             )
            )

            grab_from_ufraw[clean_name] = Hash.new if not grab_from_ufraw.key?(clean_name)
            grab_from_ufraw[clean_name][preset] = Hash.new if not grab_from_ufraw[clean_name].key?(preset)
            grab_from_ufraw[clean_name][preset][tune] = values
          end
        end
      end
    end
  end
end

WbPresetsCommon.output_presets(grab_from_ufraw)
exit

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