class CabooseRets::Media < ActiveRecord::Base
  self.table_name = "rets_media"
  
  has_attached_file :file, :path => 'rets/media/:mls_acct_:id.:extension' 
  has_attached_file :image, 
    :path => 'rets/media/:mls_acct_:media_order_:style.:extension', 
    :styles => {
      :tiny  => '160x120>',
      :thumb => '400x300>',
      :large => '640x480>'
    }
  attr_accessible :date_modified, :file_name, :media_id, :media_order, :media_remarks, :media_type, :mls_acct, :url
  
  def parse(data)
    self.date_modified  = data['DATE_MODIFIED']
    self.file_name 		  = data['FILE_NAME']
    self.media_id 		  = data['MEDIA_ID']
    self.media_order 	  = data['MEDIA_ORDER']
    self.media_remarks  = data['MEDIA_REMARKS']
    self.media_type 		= data['MEDIA_TYPE']
    self.mls_acct 		  = data['MLS_ACCT']
    self.url 		        = data['URL']
	end
	
	before_post_process :lowercase_file_names
  
  def lowercase_file_names    
    self.image.instance_write(:file_name, self.image_file_name.downcase) if self.image_file_name 
    self.file.instance_write(:file_name, self.file_file_name.downcase)   if self.file_file_name    
  end

  #before_post_process :rename_avatar    
  #def rename_image    
  #  extension = File.extname(image_file_name).downcase    
  #  self.image.instance_write :file_name, "#{self.mls_acct}_#{self.media_order}.#{extension}"
  #end
  
  def self.reorder(media_ids, bucket_name)
    
    s3 = AWS::S3.new
    b = s3.buckets[bucket_name]
    
    # Rename the s3 assets to temp names
    media_ids.each do |id|
      m = CabooseRets::Media.find(id) 
      (m.image.styles.keys+[:original]).each { |style| b.objects[m.image.path(style)].rename_to "#{m.image.path(style)}.temp" } if m.media_type == 'Photo'
      b.objects[m.file.path].rename_to "#{m.file.path}.temp" if m.media_type == 'File'
    end
    
    # Rename the assets to their new names
    i = 1
    j = 1
    media_ids.each do |id|
      m = CabooseRets::Media.find(id)
      if m.media_type == 'Photo'        
        orig_name = "#{m.image.path}.temp"        
        m.media_order = i      
        (m.image.styles.keys+[:original]).each { |style| b.objects[orig_name.gsub("original", style.to_s)].rename_to m.image.path(style) }                
        m.save
        i = i + 1
      elsif m.media_type == 'File'        
        b.objects["#{m.file.path}.temp"].rename_to m.file.path
        m.media_order = j
        m.save
        j = j + 1
      end
    end
    
    return true
  end
  
  def self.reorder(media_ids, bucket_name)
    
    s3 = AWS::S3.new
    b = s3.buckets[bucket_name]
    
    # Rename the s3 assets to temp names
    media_ids.each do |id|
      m = CabooseRets::Media.find(id) 
      (m.image.styles.keys+[:original]).each { |style| b.objects[m.image.path(style)].rename_to "#{m.image.path(style)}.temp" } if m.media_type == 'Photo'
      b.objects[m.file.path].rename_to "#{m.file.path}.temp" if m.media_type == 'File'
    end
    
    # Rename the assets to their new names
    i = 1
    j = 1
    media_ids.each do |id|
      m = CabooseRets::Media.find(id)
      if m.media_type == 'Photo'        
        orig_name = "#{m.image.path}.temp"        
        m.media_order = i      
        (m.image.styles.keys+[:original]).each { |style| b.objects[orig_name.gsub("original", style.to_s)].rename_to m.image.path(style) }                
        m.save
        i = i + 1
      elsif m.media_type == 'File'        
        b.objects["#{m.file.path}.temp"].rename_to m.file.path
        m.media_order = j
        m.save
        j = j + 1
      end
    end
    
    return true
  end
  
  def self.rename_media
    s3 = AWS::S3.new
    b = s3.buckets["advantagerealtygroup"]
    
    CabooseRets::Media.where(:media_type => 'Photo').reorder("mls_acct, media_order").all.each do |m|
      puts "Renaming #{m.mls_acct}_#{m.id}..."
      if m.image_file_name && m.image
        ext = File.extname(m.image_file_name)
        (m.image.styles.keys+[:original]).each do |style|        
          b.objects[m.image.path(style)].copy_to "rets/media_new/#{m.id}_#{style}.#{ext}"
        end
      end
    end
    
    return true
  end
    
end