#!/usr/bin/env ruby
# Copyright (c) 2009, Keith Salisbury (www.globalkeith.com)
# All rights reserved.
# All the trac stuff should go in here...

require 'fileutils'
require 'subtrac/template'
require 'subtrac/config'

module Subtrac
  class Trac
    
    def initialize
      File.create_if_missing(Config.trac_dir)
    end
    
    # Install the shared trac.ini file
    def install_common_files
      File.create_if_missing(File.join(Config.trac_dir, ".shared"))
      # install trac.ini
      trac_ini_template = Template.new(File.join(File.dirname(__FILE__), "trac", "common.trac.ini.erb"))
      trac_ini_template.write(File.join(Config.trac_dir,".shared","trac.ini"))
    end
    
    def create_project(project)
      
      client = project.client
      
      project.trac_dir = File.join(Config.trac_dir,client.path,project.path)

      # create new project directories
      say("Create project directories...")
      File.create_if_missing(project.trac_dir)

      # create a new trac site
      say("Creating a new trac site...")
      result = `trac-admin #{project.trac_dir} initenv #{project.path} sqlite:#{project.trac_dir}/db/trac.db svn #{project.svn_dir}`
      FileUtils.chown_R('www-data', 'www-data', project.trac_dir, :verbose => false) if result

      say("Installing trac configuration...")
      # install project trac.ini
      trac_ini_template = Template.new(File.join(File.dirname(__FILE__), "trac", "trac.ini.erb"))
      trac_ini_template.write(File.join(project.trac_dir,"/conf/trac.ini"))
      
      say("Setting up default trac permissions...")
      # set up trac permissions
      Config.trac_permissions.each do |key, value|
        `sudo trac-admin #{project.trac_dir} permission add #{key} #{value}`
      end
      
      say("Adding default trac wiki pages...")
      # loop through the directory and import all pages
      Dir.foreach("#{project.template}/trac/wiki/.") do |file|
        # do something with the file here
        unless ['.', '..','.svn'].include? file
          temp_file = File.join(Config.temp_dir,file)
          template = Template.new(File.join(project.template,"trac/wiki",file))
          template.write(temp_file)
          `trac-admin #{project.trac_dir} wiki import #{file} #{temp_file}`
          FileUtils.rm(temp_file)
        end
      end

      # run trac upgrade
      say("Upgrading the trac installation...")
      `trac-admin #{project.trac_dir} upgrade`

    end
  end
end