module Linkr::Controllers
  class Feed < R '/new.rss', '/tags/(.+).rss'
    def get(tag=nil)
      @title = tag ? "New links tagged with #{tag}" : @title = "New links"
      @links = Link.find_all_by_date(tag)      
      render :_rss
    end
  end
  
  class List < R '/', '/(tags|users)/(.+)'
    def get(type=nil, tag=nil, format=nil)
      @page = input.page ? input.page.to_i : 1
      if type == 'users'
        user = tag
        @title = "Links submited by #{user}"
        @links = Link.find_all_by_user(user, @page)
      else
        @tag = tag
        @title = "Links tagged with #{tag}" if tag
        @links = Link.find_all_by_score(tag, @page)
      end
      @user = current_user
      @tags = Link.tag_cloud
      render :list
    end
  end
  
  class Search < R '/search'
    def get
      @query  = input.query
      @user   = current_user
      @title  = "Search results for #{@query}"
      @tags   = Link.tag_cloud
      @links  = Link.search(@query)
      render :list
    end
  end
    
  class New < R '/new'
    def get
      @link = Link.find_by_url(input.url) || Link.new(:title => input.title, :url => input.url || 'http://')
      @tags = Link.find_tags
      @link.new_record? ? render(:new) : redirect(Links, @link.id)
    end
    def post
      @tags = Link.find_tags
      @link = Link.create :title => input.title, :url => input.url,
                          :tags => input.tags,   :user => current_user,
                          :description => input.description
      if @link.valid?
        @state.notice = 'Link saved !'
        redirect List
      else
        render :new
      end
    end
  end
  
  class Links < R '/links/(\d+)'
    def get(link_id)
      @link = Link.find link_id
      @user = current_user
      render :view
    end
    # Called to modify tags with InPlaceEditor
    def post(link_id)
      link = Link.find link_id
      link.update_attribute(:tags, input.value)
      h link.tags
    end
  end
  
  class Comments < R '/links/(\d+)/comment'
    def post(link_id)
      @link = Link.find link_id
      @user = current_user
      @comment = Comment.create :user => @user, :body => input.comment_body, :link_id => @link.id
      if @comment.valid?
        @state.notice = 'Comment saved !'
        redirect Links, @link.id
      else
        render :view
      end
    end
  end
  
  class Votes < R '/links/(\d+)/vote/(\w+)'
    def post(link_id, direction)
      @user = current_user
      @link = Link.find link_id
      Vote.for @user, @link, direction
    end
  end
  
  class Static < R '/(.+.[js|gif|css])'
    MIME_TYPES = {'.css' => 'text/css', '.js' => 'text/javascript', '.gif' => 'image/gif'}
    PATH = File.expand_path(__FILE__[/(.*)\//, 1])
    def get(path)
      @headers['Content-Type'] = MIME_TYPES[path[/\.\w+$/, 0]] || "text/plain"
      unless path.include? '..'
        @headers['X-Sendfile'] = "#{PATH}/../public/#{path}"
      else
        @status = 404; "Invalid path"
      end
    end
  end
end