class UsersController < ApplicationController
	before_filter :authenticate,
								:only => [:index, :edit, :update, :destroy,
													:followers, :following]
	before_filter :correct_user, :only => [:edit, :update]
	before_filter :admin_user,   :only => :destroy
	
	def index
		@users = User.paginate(:page => params[:page])
		@title = "All users"
	end
	
	def show
		@user = User.find(params[:id])
		@microposts = @user.microposts.paginate(:page => params[:page])
		@title = @user.name
	end

	def following
		@title = "Following"
		@user = User.find(params[:id])
		@users = @user.following.paginate(:page => params[:page])
		render 'show_follow'
	end
	
	def followers
		@title = "Followers"
		@user = User.find(params[:id])
		@users = @user.followers.paginate(:page => params[:page])
		render 'show_follow'
	end

	def new
		@user  = User.new
		@title = "Sign up"
	end
	
	def create
		@user = User.new(params[:user])
		if @user.save
			sign_in @user
			redirect_to @user, :flash => { :success => "Welcome to the Sample App!" }
		else
			@title = "Sign up"
			render 'new'
		end
	end
	
	def edit
		@title = "Edit user"
	end
	
	def update
		if @user.update_attributes(params[:user])
			redirect_to @user, :flash => { :success => "Profile updated." }
		else
			@title = "Edit user"
			render 'edit'
		end
	end

	def destroy
		@user.destroy
		redirect_to users_path, :flash => { :success => "User destroyed." }
	end

	private

		def correct_user
			@user = User.find(params[:id])
			redirect_to(root_path) unless current_user?(@user)
		end
		
		def admin_user
			@user = User.find(params[:id])
			redirect_to(root_path) if !current_user.admin? || current_user?(@user)
		end
end