#!/usr/bin/env ruby
 
trap("INT") { exit }
require 'optparse'
require 'ostruct'
require 'stringio'
require 'yaml'
 
$:.unshift File.dirname(__FILE__) + "/../lib"
require 'camping'
require 'camping/server'
 
conf = OpenStruct.new(:host => '0.0.0.0', :port => 3301)
 
# Setup paths
if home = ENV['HOME'] # POSIX
  db_path = File.join(home, '.camping.db')
  rc_path = File.join(home, '.campingrc')
elsif home = ENV['APPDATA'] # MSWIN
  db_path = File.join(home, 'Camping.db')
  rc_path = File.join(home, 'Campingrc')
end
 
# Parse options
opts = OptionParser.new do |opts|
    opts.banner = "Usage: camping app1.rb, app2.rb..."
    opts.define_head "#{File.basename($0)}, the microframework ON-button for ruby #{RUBY_VERSION} (#{RUBY_RELEASE_DATE}) [#{RUBY_PLATFORM}]"
    opts.separator ""
    opts.separator "Specific options:"
 
    opts.on("-h", "--host HOSTNAME", "Host for web server to bind to (default is all IPs)") { |conf.host| }
    opts.on("-p", "--port NUM", "Port for web server (defaults to #{conf.port})") { |conf.port| }
    opts.on("-d", "--database FILE", "SQLite3 database path (defaults to #{db_path ? db_path : '<none>'})") { |db_path| conf.database = {:adapter => 'sqlite3', :database => db_path} }
    opts.on("-l", "--log FILE", "Start a database log ('-' for STDOUT)") { |conf.log| }
    opts.on("-C", "--console", "Run in console mode with IRB") { conf.server = "console" }
    server_list = ["mongrel", "webrick", "console"]
    opts.on("-s", "--server NAME", server_list, "Server to force (#{server_list.join(', ')})") { |conf.server| }
 
    opts.separator ""
    opts.separator "Common options:"
  
    # No argument, shows at tail.  This will print an options summary.
    # Try it and see!
    opts.on_tail("-?", "--help", "Show this message") do
        puts opts
        exit
    end
  
    # Another typical switch to print the version.
    opts.on_tail("-v", "--version", "Show version") do
        class << Gem; attr_accessor :loaded_specs; end
        puts Gem.loaded_specs['camping'].version
        exit
    end
end
 
begin
  opts.parse! ARGV
rescue OptionParser::ParseError => ex
  STDERR.puts "!! #{ex.message}"
  puts "** use `#{File.basename($0)} --help` for more details..."
  exit 1
end
 
if ARGV.length < 1
    puts opts
    exit 1
end
 
# Load configuration if any
if rc_path and File.exists?( rc_path )
  YAML.load_file(rc_path).each do |k,v|
    conf.send("#{k}=", v) unless conf.send(k)
  end 
  puts "** conf file #{rc_path} loaded"
end
 
# Default db
if conf.database.nil? and db_path
  conf.database = {:adapter => 'sqlite3', :database => db_path} if db_path
end
 
 
# get a copy of the paths to pass to the server
paths = ARGV.dup
 
# Check that mongrel exists 
if conf.server.nil? || conf.server == "mongrel"
    begin
        require 'mongrel'
        conf.server = "mongrel"
    rescue LoadError 
        puts "!! could not load mongrel. Falling back to webrick."
        conf.server = "webrick"
    end
end
 
server = Camping::Server::Base.new(conf, paths)
server.start