require File.expand_path('spec_helper', File.dirname(__FILE__))
require 'spandex'
require 'atom'

describe Spandex::Finder do
  include PageFactory
  include TempFileHelper

  context "when getting all pages" do
  
    it "can find files" do
      create_file("lasers.md")
      create_file("cheese.textile")
      make_finder.all_pages.size.should == 2
    end
    
    it "won't find repeated files roots" do
      create_file("stuff.md")
      create_file("stuff.textile")
      
      make_finder.all_pages.size.should == 1
    end

    it "finds thing with populated attributes" do
      create_file("stuff.md", :title => "The")
      create_file("more_stuff.textile", :title => "Sounds")

      make_finder.all_pages.map{|p| p.title}.should =~ ["The", "Sounds"]
    end
  
  end

  context "when getting all articles" do

    it "works fine when there are no articles" do
      make_finder.all_articles.should be_empty
    end
    
    it "only finds pages with dates" do
      create_file("stuff.md", :date => "2011/5/25")
      create_file("more_stuff.md")
      
      results = make_finder.all_articles
      results.size.should == 1
      results[0].date.should == Date.civil(2011, 5, 25)
    end

    it "sorts by date descending" do
      create_file("stuff.md", :date => "1986/5/25")
      create_file("more_stuff.md", :date => "1982/5/25") 
      create_file("even_more_stuff.md", :date => "2011/5/25")

      results = make_finder.all_articles

      results.size.should == 3
      [Date.civil(2011,5,25), Date.civil(1986,5,25), Date.civil(1982,5,25)].each_with_index do |date, i|
        results[i].date.should == date
      end
    end

    it "ignores stray files" do
      create_file("stuff.md~", :date => "1986/5/25")
      make_finder.all_articles.should be_empty
    end
    
  end

  context "when generating an atom feed" do
    
    it "generates real atom content" do
      create_file("stuff.md", :date => "1986/5/25", :title => "BFI")
      create_file("more_stuff.md", :date => "1982/5/25")

      #generate and then reparse
      feed = make_finder.atom_feed(3, "Living in America", "The Sounds", "sounds.test.org", "articles.xml")
      ratom = Atom::Feed.load_feed(feed)

      ratom.title.should == "Living in America"
      ratom.entries.size.should == 2
      ratom.authors.first.name.should == "The Sounds"
      ratom.links.size.should == 2

      e = ratom.entries.first
      e.title.should == "BFI"
    
    end 

    it "should only show the top n articles" do
      create_file("stuff.md", :date => "1986/5/25")
      create_file("more_stuff.md", :date => "1986/5/25")
      create_file("even_more_stuff.md", :date => "1986/5/25")

      feed = make_finder.atom_feed(2, "Living in America", "The Sounds", "sounds.test.org", "articles.xml")
      ratom = Atom::Feed.load_feed(feed)

      ratom.entries.size.should == 2
    end

    it "only includes pages with dates" do
      create_file("stuff.md", :date => "2011/5/25")
      create_file("more_stuff.md")

      feed = make_finder.atom_feed(2, "Living in America", "The Sounds", "sounds.test.org", "articles.xml")
      ratom = Atom::Feed.load_feed(feed)

      ratom.entries.size.should == 1
    end
    
  end

  context "when listing tags" do
    
    it "can list tags" do
      create_file("stuff.md", :tags => "Sweedish, New Wave")
      create_file("more_stuff.md", :tags => "Indie Rock") 
      
      tags = make_finder.tags
      tags.should =~ ["Sweedish", "New Wave", "Indie Rock"]
    end

    it "has unique tags" do
      create_file("stuff.md", :tags => "Sweedish, Indie Rock")
      create_file("more_stuff.md", :tags => "Indie Rock") 
      
      tags = make_finder.tags
      tags.should =~ ["Sweedish", "Indie Rock"]
    end
  end

  context "loading a specific page" do

    it "does in fact load it" do
      create_file("stuff.md")
      page = make_finder.get("stuff")
      page.should_not be_nil
    end

    it "can have a leading /" do
      create_file("stuff.md")
      page = make_finder.get("/stuff")
      page.should_not be_nil
    end


    it "finds the first file tilt knows" do
      create_file("stuff.snoogledoobers")
      create_file("stuff.md")
      page = make_finder.get("stuff")
      page.extension.should == "md"
    end

    it "doesn't have to exist" do
      page = make_finder.get("this/is/not/a/real/file")
      page.should be_nil
    end

    it "caches individual files" do
      finder = make_finder

      create_file("stuff.md", :tags => "yeah")
      finder.get("stuff").tags.should == ["yeah"]

      create_file("stuff.md", :tags => "nah")
      finder.get("stuff").tags.should == ["yeah"]
    end

    it "doesn't muck up the cache" do
      create_file("stuff.md")
      finder = make_finder
      finder.all_pages
      finder.get("stuff")
      finder.all_pages.size.should == 1
    end

    it "ignores trailing slashes" do
      create_file("stuff.md")
      make_finder.get("stuff/").should_not be_nil
    end

    it "doesn't create a separate cache entry for trailing slashes" do
      create_file("stuff.md")
      finder = make_finder
      finder.all_pages
      finder.get("stuff/")
      finder.all_pages.size.should == 1
    end

    it "doesn't create a separate cache entry for leading slashes" do
      create_file("stuff.md")
      finder = make_finder
      finder.get("stuff")
      finder.get("/stuff")
      finder.all_pages.size.should == 1
    end
    

  end

  context "when loading by filename" do
    it "does in fact load something" do
      create_file("stuff.md")
      page = make_finder.get_by_filename(File.join(TEMP_DIR, "stuff.md"))
      page.should_not be_nil
    end

    it "doesn't have to exist" do
      page = make_finder.get_by_filename(File.join(TEMP_DIR, "this_is_not_a_file.md"))
      page.should be_nil
    end

  end

  context "when find pages" do
    it "can find them by tag" do
      create_file("no.md", :tags => "nono")
      create_file("yeah.md", :tags => "yeahyeah")
      
      
      results = make_finder.find_pages(:tag => "yeahyeah")
      results.size.should == 1
      results.first.title == "Yeah Yeah Yeah"
    end

    it "can find them by titles" do
      create_file("no.md", :title => "This has the wrong title")
      create_file("yeah.md", :title => "This has the correct title")
    end

    it "can find them by multiple metrics" do
      create_file("no.md", :tags => "yeah", :title => "This has the wrong title")
      create_file("yeah.md", :tags => "no", :title => "This has the correct title")
      create_file("definitely.md", :tags => "yeah", :title => "This has the correct title")

      make_finder.find_pages(:tags => "yeah", :title => "correct")
    end
  end

  context "when finding articles" do
    it "only finds articles" do
      create_file("no.md", :tags => "yeahyeah")
      create_file("yeah.md", :tags => "yeahyeah", :date => "2011/5/26", :title => "Yeah Yeah Yeah")      
      
      results = make_finder.find_articles(:tag => "yeahyeah")
      results.size.should == 1
      results.first.title == "Yeah Yeah Yeah"
    end

  end

  before(:each) do
    create_temp_directory
  end
  
  after(:each) do
    remove_temp_directory
  end

  def make_finder
    Spandex::Finder.new(TEMP_DIR)
  end
  
end