#!/usr/bin/env ruby

$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/../lib')

require 'rest_client'
require 'mime/types'
require 'tempfile'

def upload_audio(filename, api,public,tag,txt)

begin
    RestClient.post('http://cluster.metaforas.cl/audios',
      "audio[audio_original]" => File.new(filename),
      :api => api, "audio[public]" => public, "audio[tag]" => tag, "audio[txt]" => txt )
    rescue
        RestClient.post('http://cluster.metaforas.cl:8000/audios',
              "audio[audio_original]" => File.new(filename),
              :api => api, "audio[public]" => public, "audio[tag]" => tag, "audio[txt]" => txt )

    end
end

filename = ARGV[1]
basename =  File.basename(filename)

types = MIME::Types.type_for(filename)
valido = false
for i in types
    if i.content_type.include? "wav" or i.content_type.include? "x-wav"
        valido = true
    end
end

t = nil

if !valido
    t = Tempfile.new(basename)
    puts "convirtiendo a wav antes de subir"
    `rm -f "#{t.path}"`
    `ffmpeg -i "#{filename}" -vn -acodec pcm_s16le -ar 16000 -ac 1 -f wav "#{t.path}"`
    filename = t.path
end


file = File.new(ARGV[1])
public = false
if ARGV.size >= 3
    public = ARGV[2]
end




if f[3].nil?
    puts "uploading..."
    upload_audio(filename,ARGV[0],public,nil,ARGV[4])
else
    limit = ARGV[3].to_i
    puts "cortando archivos en trozos de #{limit} segundos"
    lr = `ffmpeg -i "#{filename}" 2>&1 | grep 'Duration'| cut -d ' ' -f 4 | cut -d ',' -f 1`
    lr = lr.split(':')
    length = lr[0].to_i*3600 + lr[1].to_i*60 + lr[2].to_f
    puts "largo original archivo: #{length}"
    start_time = 0
    counter = 0
    max_parts = (length/limit).ceil
    while start_time <= length do
        counter += 1

        duration = [limit,length - start_time].min
        hex = Digest::MD5.hexdigest(rand().to_s)
        tag = hex[0, 8] + "_#{counter}_#{max_parts}"
        puts "convirtiendo  #{counter}/#{max_parts}"
        `sox '#{filename}' -b 16 -s -c 1 -r 16k '#{filename}-#{counter}-#{max_parts}.wav' trim #{start_time} #{duration}`
        puts "uploading... #{counter}/#{max_parts}"

        upload_audio("#{filename}-#{counter}-#{max_parts}.wav",ARGV[0],public,tag,ARGV[4])

        start_time += limit

    end

end




if !valido
    t.close
    `rm -f "#{t.path}"`
end



puts "ready"