#!/usr/bin/env ruby
=begin
bivouac
(c)2007, 2008 Grégoire Lejeune
=end

require 'rubygems'
require 'optparse'
require 'ostruct'
require 'active_support'
require 'fileutils'
require 'yaml'

require 'bivouac/template'
include Bivouac::Template

class << Gem; attr_accessor :loaded_specs; end
@BIVOUAC_VERSION = Gem.loaded_specs['bivouac'].version
@CAMPING_VERSION = Gem.loaded_specs['camping'].version

# Default configuration
database_configuration = {
  :adapter => "sqlite3"
}
@conf = OpenStruct.new( 
  :db => { :adapter => 'sqlite3', :database => 'db/bivouac.db' }, 
  :orgtype => "GOH", 
  :port => 3301, 
  :address => "0.0.0.0",
  :session => :cookie,
  :versions => "{ :scripts => '#{@BIVOUAC_VERSION}', :public => '#{@BIVOUAC_VERSION}', :configs => '#{@BIVOUAC_VERSION}', :app => '#{@BIVOUAC_VERSION}' }"
)

opts = OptionParser.new do |opts|
	opts.banner = "Usage: bivouac [options] app"
	opts.define_head "#{File.basename($0)}, the generator for the microframework ON-button for ruby #{RUBY_VERSION} (#{RUBY_RELEASE_DATE}) [#{RUBY_PLATFORM}]"
	opts.separator ""
	opts.separator "Specific options:"
	
  opts.on("-d", "--database NAME", "Preconfigure for selected database (options: mysql/oracle/postgresql/sqlite2/sqlite3).") { |dbtype| 
    database_configuration = {
      :adapter => dbtype
    }
    
    case dbtype
    when "mysql"
      database_configuration[:username] = ""
      database_configuration[:password] = ""
      database_configuration[:host] = "localhost"
    when "postgresql"
      database_configuration[:username] = "root"
      database_configuration[:password] = ""
      database_configuration[:host] = "localhost"
    when "oracle"
      database_configuration[:username] = ""
      database_configuration[:password] = ""
    when "sqlite2"
      database_configuration[:adapter] = "sqlite"
    when "sqlite3"
    else
      puts opts
      exit
    end

    @conf.db = {:adapter => dbtype, :database => 'db/bivouac.db'}
  }

	opts.on("-P", "--port PORT", "Which port to bind to (3301)") { |port| 
	  @conf.port = port
	}

	opts.on("-a", "--address ADDR", "Address to bind to (0.0.0.0)") { |address| 
	  @conf.address = address
	}
	
	opts.on("-S", "--session TYPE", "Session type (db|cookie). Default : cookie") { |session| 
	  @conf.session = session.to_sym
	  unless [:db, :cookie].include?( @conf.session )
	    puts opts
	    exit
    end
	}
	
	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 "Bivouac version #{@BIVOUAC_VERSION}"
	  puts "Camping version #{@CAMPING_VERSION}"
	  exit
	end
end

# Parse options
opts.parse! ARGV
if ARGV.length < 1
    puts opts
    exit
end

# Get APP name
name = ARGV.dup

# Add APP name to config
@conf.appname = name[0].classify
# Add APP path to config
@conf.appdir  = name[0] # @conf.appname.underscore
@conf.appfile = @conf.appname.underscore

# Add DataBase configuration to config
if database_configuration[:adapter] =~ /sqlite/
  database_configuration[:database] = "db/" + @conf.appdir + ".db"
else
  database_configuration[:database] = @conf.appdir
end
@conf.db = database_configuration

# Create Application Directories
createDir( @conf.appdir ) ## TODO: Replace by createDir( name ) to keep the given name
createDir( "#{@conf.appdir}/config" )
createDir( "#{@conf.appdir}/app" )
createDir( "#{@conf.appdir}/app/controllers" )
createDir( "#{@conf.appdir}/app/helpers" )
createDir( "#{@conf.appdir}/app/models" )
createDir( "#{@conf.appdir}/app/views" )
createDir( "#{@conf.appdir}/app/views/layouts" )
createDir( "#{@conf.appdir}/db" )
createDir( "#{@conf.appdir}/db/migrate" )
createDir( "#{@conf.appdir}/public" )
createDir( "#{@conf.appdir}/public/images" )
createDir( "#{@conf.appdir}/public/javascripts" )
createDir( "#{@conf.appdir}/public/stylesheets" )
createDir( "#{@conf.appdir}/log" )
createDir( "#{@conf.appdir}/script" )
createDir( "#{@conf.appdir}/test" )
createDir( "#{@conf.appdir}/lib" )
createDir( "#{@conf.appdir}/lib/tasks" )
createDir( "#{@conf.appdir}/plugins" )

# Create Application Environment file
createFile( "#{@conf.appdir}/config/environment.rb" ) { |io|
  io.puts template( "environment" )
}

# Create Database configuration file
createFile( "#{@conf.appdir}/config/database.yml" ) { |io|
  io.puts YAML.dump( @conf.db )
}

# Create Application Postamble file
createFile( "#{@conf.appdir}/config/postamble.rb" ) { |io|
  io.puts template( "application/postamble" )
}

# Create Application file
createFile( "#{@conf.appdir}/app/#{@conf.appfile}.rb" ) { |io|
  io.puts template( "application_#{@conf.orgtype.downcase}" ) 
}

# Create Application Helpers Loader file
createFile( "#{@conf.appdir}/app/helpers/_helpers.rb" ) { |io|
  io.puts template( "application/helpers_#{@conf.orgtype.downcase}" )
}

# Create generate script
createFile( "#{@conf.appdir}/script/generate", true ) { |io| 
  io.puts template( "generate" )
}

# Create server script
createFile( "#{@conf.appdir}/script/server", true ) { |io| 
  io.puts template( "server" )
}

# Create console script
createFile( "#{@conf.appdir}/script/console", true ) { |io| 
  io.puts template( "console" )
}

# Create console.rc view
createFile( "#{@conf.appdir}/config/console.rc" ) { |io|
  io.puts template( "static/console_rc" )
}

# Create plugin script
createFile( "#{@conf.appdir}/script/plugin", true ) { |io| 
  io.puts template( "plugin" )
}

# Create Rakefile
createFile( "#{@conf.appdir}/Rakefile" ) { |io| 
  io.puts template( "Rakefile" )
}

# Copy statics files
copyTemplate( "static/index.html", "#{@conf.appdir}/public" )
copyTemplate( "static/camping.png", "#{@conf.appdir}/public/images" )
%w{builder.js dragdrop.js prototype.js slider.js unittest.js controls.js effects.js sound.js scriptaculous.js}.each do |f|
  copyTemplate( "static/#{f}", "#{@conf.appdir}/public/javascripts" )
end
copyTemplate( "static/autocomplete.css", "#{@conf.appdir}/public/stylesheets" )

# Create index controller
createFile( "#{@conf.appdir}/app/controllers/index.rb" ) { |io|
  io.puts template( "static/index" )
}

# Create not_found controller
createFile( "#{@conf.appdir}/app/controllers/not_found.rb" ) { |io|
  io.puts template( "static/not_found_controller" )
}

# Create not_found view
createFile( "#{@conf.appdir}/app/views/not_found.rb" ) { |io|
  io.puts template( "static/not_found_view" )
}

# Create default_layout view
createFile( "#{@conf.appdir}/app/views/layouts/default_layout.rb" ) { |io|
  io.puts template( "static/default_layout_view" )
}

# Create create.rb if we use DB Sessions
if @conf.session.to_s == "db"
  createFile( "#{@conf.appdir}/db/create.rb" ) { |io|
    io.puts template( "static/create_for_sessions" )
  }
end