# encoding: utf-8
require 'fileutils'
class Filefield
	include Mongoid::Document
	include Mongoid::Timestamps
	@ckeditor_path = Rails.root.to_s + '/app/assets/javascripts/ckeditor/'
	@model_path = Rails.root.to_s + '/app/models/'
	@helper_path = Rails.root.to_s + '/app/helpers/'
	@views_path = Rails.root.to_s + '/app/views/'
	@controller_path = Rails.root.to_s + '/app/controllers/'
	@app_path = File.expand_path(__dir__)
	def self.prevpath(dir_path)
		dir_path = dir_path.gsub('\\','/')
		dir_arr= dir_path.split('/')
		dir_str=''
		dir_arr.delete_at(-1)
		dir_arr.each_with_index do |path,index|
			dir_str = dir_str + path
			if index != dir_arr.count - 1
				dir_str = dir_str +"/"
			end
		end
		return dir_str
	end
	@app_path = self.prevpath(@app_path)
	@app_path =  self.prevpath(@app_path)
	field :title, :type=> String ,default:"patchfile"
	#field :file_show, :type=> Hash ,default:{"ckeditor"=>0,"site-preference(two-site-logo)"=>0,"member"=>0,"accessibility"=>0}
	field :file_show, :type=> Hash ,default: {
		"accessibility"=>{:files=>{
			'jquery-ui-1@13@2/'=>{:status=>0, :sc=>@app_path+'/updatefiles/accessibility/', :dest=>Rails.root.to_s + '/app/assets/stylesheets/lib/jquery-ui-1.13.2/'},
		},:status=>0}
	}
	# field :file_show, :type=> Hash ,default:{"ckeditor"=>{:files=>{'config@js@erb'=>{:status=>0, :sc=>@app_path+'/updatefiles/', :dest=> @ckeditor_path},
		# 														 'ckeditor@js'=>{:status=>0, :sc=>@app_path+'/updatefiles/', :dest=> @ckeditor_path}
		# 																			},:status=>0} ,
		# 									"site-preference(two-site-logo)"=>{:files=>{'site@rb'=>{:status=>0, :sc=>@app_path+'/updatefiles/', :dest=>@model_path},
		# 																		'application_helper@rb'=>{:status=>0, :sc=>@app_path+'/updatefiles/', :dest=>@helper_path},
		# 																		'preference@html@erb'=>{:status=>0, :sc=>@app_path+'/updatefiles/admin/', :dest=>@views_path+'admin/sites/'}
		# 																		},:status=>0} ,
		# 									"member"=>{:files=>{'member_profile@rb'=>{:status=>0, :sc=>@app_path+'/updatefiles/', :dest=>@model_path},
		# 												'admin/members_controller@rb'=>{:status=>0, :sc=>@app_path+'/updatefiles/', :dest=>@controller_path},
		# 												'members_controller@rb'=>{:status=>0, :sc=>@app_path+'/updatefiles/', :dest=>@controller_path},
		# 												'_user_basic_passwd@html@erb'=>{:status=>0, :sc=>@app_path+'/updatefiles/admin/', :dest=>@views_path+'admin/members/'},
		# 												'attribute_value@rb'=>{:status=>0, :sc=>@app_path+'/updatefiles/', :dest=>@model_path}
		# 												},:status=>0} ,
		# 									"accessibility"=>{:files=>{'back_end@html@erb'=>{:status=>0, :sc=>@app_path+'/updatefiles/accessibility/', :dest=>@views_path+'layouts/'},
		# 														'_form@html@erb'=>{:status=>0, :sc=>@app_path+'/updatefiles/accessibility/', :dest=>@views_path+'page_parts/'},
		# 														'jquery-ui-1@13@2/'=>{:status=>0, :sc=>@app_path+'/updatefiles/accessibility/', :dest=>Rails.root.to_s + '/app/assets/stylesheets/lib/jquery-ui-1.13.2/'},
		# 														'orbit_bar/'=>{:status=>0, :sc=>@app_path+'/updatefiles/accessibility/', :dest=>@views_path+'orbit_bar/'}
		# 														},:status=>0}
		# 									}
	field :recovery, :type=> String , default:"false"
	field :last_message , :type=> String , default:""
	field :num , default: 0
	after_update :updatefile
	def enabled_for?(lang)
		if lang.nil?
			return true
		else
			return self.choose_lang.include?(lang)
		end
	end

	def backup_file(file_name,file_path)
		FileUtils.cd(file_path)
		if file_name[-1] != "/"
			FileUtils.cp(file_name , file_name+'_back')
		else
			FileUtils.cd('..')
			@back_foler =file_path.dup #very important,don't just use '=',it will change original value when it change
			@back_foler[-1] = "_back/"
			FileUtils.cp_r(file_name+'.' , @back_foler)
		end
	end
	def recover_file(file_name,file_path)
		FileUtils.cd(file_path)
		if file_name[-1] != "/"
			FileUtils.cp(file_name+'_back', file_name)
		else
			FileUtils.cd('..')
			@back_foler = file_name.dup #very important,don't just use '=',it will change original value when it change
			@back_foler[-1] = "_back/."
			if !Dir.exist?(file_name)
				FileUtils.mkdir_p file_name
			end
			FileUtils.cp_r(@back_foler, file_name)
		end
	end
	def copy_file(file_name,source_file_path,dest_file_path)
		FileUtils.cd(source_file_path)
		if file_name[-1] != "/"
			@file_name = Pathname.new(file_name)
			FileUtils.cd(@file_name.dirname.to_s)
			FileUtils.cp(@file_name.basename.to_s , dest_file_path+@file_name.dirname.to_s)
		else
			if !Dir.exist?(dest_file_path)
				FileUtils.mkdir_p dest_file_path
			end
			FileUtils.cp_r(file_name , dest_file_path+'..')
		end
	end
	def updatefile
		if self.num == 0
			self.last_message = ""
			if self.recovery == "true"
				self.file_show.each do |name,property|
					if property[:status].to_i == 1
						puts 'recovering all files of '+ name
						self.last_message += ('recovering all files of '+ name+'</br>')
					else
						@i = 0
						property[:files].each do |file_name,sub_property|
							if sub_property[:status].to_i == 1
								@i = @i + 1
							end
						end
						if(@i != 0)
							puts 'recovering part of files:'+ name
							self.last_message += ('recovering part of files:'+ name+'</br>')
						end
					end
					property[:files].each do |file_name,sub_property|
						file_name = file_name.gsub("@",".")
						if sub_property[:status].to_i == 1
							puts 'recovering '+file_name
							self.last_message += ('recovering '+file_name+'</br>')
							begin
								recover_file(file_name,sub_property[:dest])
								puts 'finish recovery'
								self.last_message += '<span style="color:green;">finish recovery</span></br>'
							rescue
								puts Dir.pwd
								puts 'error recovery'
								self.last_message += ('<span style="color:red;">Dir: '+Dir.pwd+'</span></br>')
								self.last_message += '<span style="color:red;">error recovery</span></br>'
							end
						end
					end
				end
			else
				self.file_show.each do |name,property|
					if property[:status].to_i == 1
						puts 'copying all files of '+ name
						self.last_message += ('copying all files of '+name+'</br>')
					else
						@i = 0
						property[:files].each do |file_name,sub_property|
							if sub_property[:status].to_i == 1
								@i = @i + 1
							end
						end
						if(@i != 0)
							puts 'copying part of files:'+ name
							self.last_message += ('copying part of files: '+name+'</br>')
						end
					end
					property[:files].each do |file_name,sub_property|
						file_name = file_name.gsub("@",".")
						if sub_property[:status].to_i == 1
							puts 'backuping '+file_name
							self.last_message += ('backuping '+file_name+'</br>')
							begin
								backup_file(file_name,sub_property[:dest])
								puts 'finish backup'
								self.last_message += '<span style="color:green;">finish backup</span></br>'
							rescue
								puts 'error backup'
								self.last_message += ('<span style="color:red;">Dir: '+Dir.pwd+'</span></br>')
								self.last_message += '<span style="color:red;">error backup</span></br>'
							end
							puts 'copying '+file_name
							self.last_message += ('copying '+file_name+'</br>')
							begin
								copy_file(file_name,sub_property[:sc],sub_property[:dest])
								puts 'finish copy'
								self.last_message += '<span style="color:green;">finish copy</span></br>'
							rescue
								self.last_message += ('<span style="color:red;">Dir: '+Dir.pwd+'</span></br>')
								puts 'error copy'
								self.last_message += '<span style="color:red;">error copy</span></br>'
							end
						end
					end
				end
			end
			self.num = 1
			self.save
		end
		Dir.chdir(Rails.root.to_s)
	end
end