#!/usr/bin/env ruby
 
require 'environment'
 
require_gem_with_feedback 'sinatra'
 
layout { File.read('views/layout.erb') }
 
def show(template, title)
  @title = title
  erb(template)
end
 
def page_with_ext
  if params[:format] == "html"
    params[:page]
  else
    "#{params[:page]}.#{params[:format]}"
  end
end
 
def page_url
  "#{request.env["rack.url_scheme"]}://#{request.env["HTTP_HOST"]}#{request.env["REQUEST_PATH"]}"
end
 
get('/') { redirect '/' + HOMEPAGE }
get('/_style.css') { header 'Content-Type' => 'text/css'; File.read(File.join(File.dirname(__FILE__), 'css', 'style.css')) }
get('/_code.css') { header 'Content-Type' => 'text/css'; File.read(File.join(File.dirname(__FILE__), 'css', "#{UV_THEME}.css")) }
get('/_app.js') { header 'Content-Type' => 'application/x-javascript'; File.read(File.join(File.dirname(__FILE__), 'javascripts', "application.js")) }
 
get '/_list' do
  @pages = $repo.log.first.gtree.children.map { |name, blob| Page.new(name) } rescue []
  show(:list, 'Listing pages')  
end
 
get '/:page' do
  @page_url = page_url
  @page = Page.new(page_with_ext)
  @page.tracked? ? show(:show, @page.name) : redirect('/e/' + @page.name)
end
 
get '/:page/append' do
  @page = Page.new(page_with_ext)
  @page.body = @page.raw_body + "\n\n" + params[:text]
  redirect '/' + @page.name
end
 
get '/e/:page' do
  @page = Page.new(page_with_ext)
  show :edit, "Editing #{@page.name}"
end
 
post '/e/:page' do
  @page = Page.new(page_with_ext)
  @page.body = params[:body]
  redirect '/' + @page.name
end
 
get '/h/:page' do
  @page = Page.new(page_with_ext)
  show :history, "History of #{@page.name}"
end
 
get '/h/:page/:rev' do
  @page = Page.new(page_with_ext, params[:rev])
  show :show, "#{@page.name} / version #{params[:rev]})"
end
 
# FIXME this repeats the above just to accomodate pages with 
# file extensions.  bad!
get '/h/:page.:format/:rev' do
  @page = Page.new(page_with_ext, params[:rev])
  show :show, "#{@page.name} / version #{params[:rev]})"
end
 
get '/d/:page/:rev' do
  @page = Page.new(page_with_ext)
  show :delta, "Diff of #{@page.name}"
end
 
# FIXME this repeats the above just to accomodate pages with 
# file extensions.  bad!
get '/d/:page.:format/:rev' do
  @page = Page.new(page_with_ext)
  show :delta, "Diff of #{@page.name}"
end