#   Copyright (c) 2010, Diaspora Inc.  This file is
#   licensed under the Affero General Public License version 3 or later.  See
#   the COPYRIGHT file.

class UsersController < ApplicationController
  require File.expand_path('../../../lib/diaspora/ostatus_builder', __FILE__)
  require File.expand_path('../../../lib/diaspora/exporter', __FILE__)
  require File.expand_path('../../../lib/collect_user_photos', __FILE__)

  before_filter :authenticate_user!, :except => [:new, :create, :public]

  respond_to :html

  def edit
    @user    = current_user
    @person  = @user.person
    @profile = @user.person.profile
    @photos  = current_user.visible_posts(:person_id => current_user.person.id, :_type => 'Photo').paginate :page => params[:page], :order => 'created_at DESC'

    @fb_access_url = MiniFB.oauth_url(FB_APP_ID, APP_CONFIG[:pod_url] + "services/create",
                                      :scope=>MiniFB.scopes.join(","))
  end

  def update
    @user = current_user
    params[:user].delete(:password) if params[:user][:password].blank?
    params[:user].delete(:password_confirmation) if params[:user][:password].blank? and params[:user][:password_confirmation].blank?

    if params[:user][:password] && params[:user][:password_confirmation]
      if @user.update_attributes(:password => params[:user][:password], :password_confirmation => params[:user][:password_confirmation])
        flash[:notice] = "Password Changed"
      else
        flash[:error] = "Password Change Failed"
      end
    else
      data = clean_hash params[:user]
      prep_image_url(data)

      if @user.update_profile data
        flash[:notice] = "Profile updated"
      else
        flash[:error] = "Failed to update profile"
      end
    end
    redirect_to edit_user_path(@user)

  end

  def public
    user = User.find_by_username(params[:username])

    if user
      director = Diaspora::Director.new
      ostatus_builder = Diaspora::OstatusBuilder.new(user)

      render :xml => director.build(ostatus_builder), :content_type => 'application/atom+xml'
    else
      flash[:error] = "User #{params[:username]} does not exist!"
      redirect_to root_url
    end
  end

  def export
    exporter = Diaspora::Exporter.new(Diaspora::Exporters::XML)
    send_data exporter.execute(current_user), :filename => "#{current_user.username}_diaspora_data.xml", :type => :xml
  end

  def export_photos
    tar_path = PhotoMover::move_photos(current_user)
    send_data( File.open(tar_path).read, :filename => "#{current_user.id}.tar" )
  end

  private
  def prep_image_url(params)
    url = APP_CONFIG[:pod_url].chop if APP_CONFIG[:pod_url][-1,1] == '/'
    if params[:profile][:image_url].empty?
      params[:profile].delete(:image_url)
    else
      if /^http:\/\// =~ params[:profile][:image_url]
        params[:profile][:image_url] = params[:profile][:image_url]
      else
        params[:profile][:image_url] = url + params[:profile][:image_url]
      end
    end
  end

  def clean_hash(params)
    return {
      :profile =>
        {
        :first_name => params[:profile][:first_name],
        :last_name => params[:profile][:last_name],
        :image_url => params[:profile][:image_url]
        }
    }
  end

end