require 'rake/clean'
require 'rexml/document'
require 'net/smtp'
require 'net/http'
require 'uri'
require 'find'

#Project general settings
PROJECT_NAME = "Aardvark"
VERSION_MAJOR_MINOR_BUILD = "0.1.0"
COPYRIGHT = "Copyright 2009 1minus1 Ltd. All rights reserved."

#Project technical settings
SVN_URL = "http://aardvark-cms.googlecode.com/svn/trunk/"
COVERAGE_ASSEMBLIES = "OneMinusOne.Aardvark.Web;OneMinusOne.Aardvark.Framework;OneMinusOne.Aardvark.Entities;OneMinusOne.Aardvark.Core"
DEPLOYMENT_PATH = "D:\\Websites\\DevSite\\Aardvark"
DEPLOYMENT_URL = "http://aardvark.1minus1testing.com"
DEPLOYMENT_CONNECTION_STRING = "server=SERVER40118\\SQL1MINUS102;database=Aardvark;uid=aardvark_dbo;pwd=we-are-cool-265;"
INSTALL_URL = "#{DEPLOYMENT_URL}/Install"
SMTP_SERVER = "localhost"
NOTIFY_TO_EMAIL = "andy@1minus1.com"
NOTIFY_FROM_EMAIL = "noreply@1minus1.com"
NOTIFY_FROM_NAME = "Aardvark CMS Build Server"
WEB_PROJECT_PATH = "../src/OneMinusOne.Aardvark.Web"

#Common settings
DOT_NET_PATH = "#{ENV["SystemRoot"]}\\Microsoft.NET\\Framework\\v3.5"
TEAMCITY_NUNIT_RUNNER = ENV["teamcity.dotnet.nunitlauncher"]
NUNIT_EXE = "../tools/NUnit/nunit-console.exe"
NCOVER_EXE = "../tools/NCover/NCover.Console.exe"
NCOVER_EXPLORER_EXE = "../tools/NCoverExplorer/NCoverExplorer.Console.exe"
ZIP_EXE = "../tools/7Zip/7za.exe"
SOURCE_PATH = "../src"
OUTPUT_PATH = "output"
ARTIFACTS_PATH = "#{OUTPUT_PATH}/artifacts"
SVN_LOG_PATH = "#{OUTPUT_PATH}/svn_log.xml"
CONFIG = "Release"


#Cleanup the output folder
CLEAN.include(OUTPUT_PATH)

task :default => ["clean", "build:all"]
task :local => ["clean", "build:local"]
 
namespace :build do
  
  task :all => [:init, :writeAssemblyInfo, :compile, :test, :coverage, :artifacts, :configure, :package, :deploy, :install, :notify]
  task :local => [:init, :writeAssemblyInfo, :compile, :test, :coverage, :artifacts, :configure, :package]
  
  desc "Perform the required initial tasks."
  task :init do
	puts "Performing Initialization..."
	
	puts "Creating folders..."
	Dir.mkdir(OUTPUT_PATH)
	Dir.mkdir(ARTIFACTS_PATH)
	
	puts "Deleting any existing bin folders..."
	FileUtils.rm_r FileList["#{SOURCE_PATH}/**/bin"], :force => true
	
	puts "Getting SVN revision number and saving to #{SVN_LOG_PATH}..."
	
	sh "svn log --xml --revision HEAD #{SVN_URL} > \"#{SVN_LOG_PATH}\""
	
	svnLogFile = File.new(SVN_LOG_PATH)
	log = REXML::Document.new svnLogFile
	logEntry = log.root.elements["logentry"]
	$svn_revision = logEntry.attributes["revision"]
	$svn_message = logEntry.elements["msg"].text
    VERSION = "#{VERSION_MAJOR_MINOR_BUILD}.#{$svn_revision}"
	svnLogFile.close
	
	puts "Revision #{$svn_revision} found with message: #{$svn_message}"
  end
  
  
  desc "Write AssemblyInfo.cs with current svn revision."
  task :writeAssemblyInfo => [:init] do
	puts "Writing AssemblyInfo Files..."
	
	assemblyInfoFiles = FileList["#{SOURCE_PATH}/**/AssemblyInfo.cs"]
	assemblyInfoFiles.each do |filePath|
		puts "AssemblyInfo file found at: #{filePath}"
		file = File.new(filePath, "w")
		
		file.puts "//This file was generated by the rakefile.rb build script"
		file.puts "using System.Reflection;"
		file.puts "using System.Runtime.InteropServices;\r\n"

		file.puts "[assembly: AssemblyTitle(\"#{PROJECT_NAME} for .NET 3.5\")]"
		file.puts "[assembly: AssemblyDescription(\"\")]"
		file.puts "[assembly: AssemblyConfiguration(\"\")]"
		file.puts "[assembly: AssemblyCompany(\"\")]"
		file.puts "[assembly: AssemblyProduct(\"#{PROJECT_NAME}\")]"
		file.puts "[assembly: AssemblyCopyright(\"#{COPYRIGHT}\")]"
		file.puts "[assembly: AssemblyTrademark(\"\")]"
		file.puts "[assembly: AssemblyCulture(\"\")]"
		file.puts "[assembly: ComVisible(false)]"
		file.puts "[assembly: AssemblyVersion(\"#{VERSION}\")]"
		file.puts "[assembly: AssemblyFileVersion(\"#{VERSION}\")]"
		
		file.close
	end
  end
  
  
  desc "Build solution using MSBuild."
  task :compile => [:writeAssemblyInfo] do
	puts "Compiling Solution..."
    solutions = FileList["#{SOURCE_PATH}/**/*.sln"]
    solutions.each do |solution|
      sh "#{DOT_NET_PATH}/msbuild.exe /p:Configuration=#{CONFIG} #{solution} /t:Rebuild"
    end
  end
   
   
  desc "Runs tests with NUnit only (without coverage)."
  task :test => [:compile] do
    puts "Running Tests..."
	tests = FileList["#{SOURCE_PATH}/**/#{CONFIG}/*.Tests.dll"].exclude(/obj\//)
	
	#Select the correct test runner
	if(TEAMCITY_NUNIT_RUNNER == nil)
		sh "#{NUNIT_EXE} #{tests} /nologo /exclude:Acceptance /xml=#{OUTPUT_PATH}/TestResults.xml"
	else
		sh "#{TEAMCITY_NUNIT_RUNNER} v2.0 x86 NUnit-2.4.6 /category-exclude:Acceptance #{tests}"
	end
  end
  
  
  desc "Run tests with NUnit and NCover for coverage. NCoverExplorer is used to format the coverage results into html."
  task :coverage => [:compile] do
	puts "Running Tests with Coverage..."
	tests = FileList["#{SOURCE_PATH}/**/#{CONFIG}/*.Tests.dll"].exclude(/obj\//)
    sh "#{NCOVER_EXE} #{NUNIT_EXE} #{tests} /nologo /exclude:Acceptance /xml=#{OUTPUT_PATH}/TestResults.xml //reg //x #{OUTPUT_PATH}/Coverage.xml //l #{OUTPUT_PATH}/Coverage.log //ea System.CodeDom.Compiler.GeneratedCodeAttribute //a #{COVERAGE_ASSEMBLIES}"
	sh "#{NCOVER_EXPLORER_EXE} #{OUTPUT_PATH}/Coverage.xml /r:ModuleClassFunctionSummary /p:#{PROJECT_NAME} /q /h /so:2 /m:80 /h:#{OUTPUT_PATH}/CoverageReport.html"
  end
       
  desc "Arrange the required artifacts."
  task :artifacts => [:compile] do
	puts "Gathering artifacts files..."
	
	Dir.mkdir "#{ARTIFACTS_PATH}/bin"
	
	FileUtils.cp_r FileList["#{WEB_PROJECT_PATH}/bin/*.dll"], "#{ARTIFACTS_PATH}/bin"
	FileUtils.cp_r "#{WEB_PROJECT_PATH}/Content", "#{ARTIFACTS_PATH}"
	FileUtils.cp_r "#{WEB_PROJECT_PATH}/Views", "#{ARTIFACTS_PATH}"
	FileUtils.cp_r FileList["#{WEB_PROJECT_PATH}/*.aspx"], "#{ARTIFACTS_PATH}"
	FileUtils.cp_r FileList["#{WEB_PROJECT_PATH}/*.asax"], "#{ARTIFACTS_PATH}"
	FileUtils.cp_r FileList["#{WEB_PROJECT_PATH}/*.config"], "#{ARTIFACTS_PATH}"
	
	delete_svn_folders(ARTIFACTS_PATH)
  end
  
  desc "Update the artifact config files ready for deployment."
  task :configure => [:artifacts] do
	puts "Configuring ActiveRecord..."
  
	#Update the ActiveRecord.config before deploying
	arConfigFilePath = "#{ARTIFACTS_PATH}/ActiveRecord.config"
	arConfigFile = File.new(arConfigFilePath)
	arConfig = REXML::Document.new arConfigFile
	connectionString = arConfig.root.elements["facilities/facility[@id='arfacility']/config/add[@key='connection.connection_string']"]
	connectionString.attributes["value"] = DEPLOYMENT_CONNECTION_STRING
	arConfigFile.close
	
	#Save the updated ActiveRecord.config file
	arConfigFile = File.open(arConfigFilePath, "w")
    formatter = REXML::Formatters::Default.new(5)
    formatter.write(arConfig, arConfigFile)
    arConfigFile.close 
  end
  
  
  desc "Package the required artifacts."
  task :package => [:configure] do
	puts "Creating zip package"
	
	zipFolder(ARTIFACTS_PATH, "#{OUTPUT_PATH}/#{PROJECT_NAME}-v#{VERSION}.zip");
  end
   
  
  desc "Copy artifacts to the specified deployment location"
  task :deploy => [:package] do
	puts "Deploying..."
		
	#Copy files to the deployment folder
	FileUtils.mkdir DEPLOYMENT_PATH, :noop => true
	FileUtils.cp_r "#{ARTIFACTS_PATH}/.", DEPLOYMENT_PATH
	
  end
  
  
  desc "Install database and other requirements"
  task :install => [:compile] do
	puts "Installing..."
	
	httpGet(INSTALL_URL)
	
  end
  
  
  desc "Run acceptance tests that were ignored by normal test runner"
  task :acceptance => [:install] do
	puts "Running Acceptance Tests..."
	
	#TODO: Only select Web.Tests assembly
	#TODO: Update the app.config with correct settings (url etc)
	#TODO: Add this target to build:all and test on teamcity
		
	tests = FileList["#{SOURCE_PATH}/**/#{CONFIG}/*.Tests.dll"].exclude(/obj\//)
	
	#Select the correct test runner
	if(TEAMCITY_NUNIT_RUNNER == nil)
		sh "#{NUNIT_EXE} #{tests} /nologo /include:Acceptance /xml=#{OUTPUT_PATH}/AcceptanceTestResults.xml"
	else
		sh "#{TEAMCITY_NUNIT_RUNNER} v2.0 x86 NUnit-2.4.6 /category-include:Acceptance #{tests}"
	end
  end
  
  
  desc "Email the selected addresses that a new build is complete"
  task :notify do
	puts "Sending email notifications..."
	
	send_email NOTIFY_FROM_EMAIL , NOTIFY_FROM_NAME, NOTIFY_TO_EMAIL, "A new version of #{PROJECT_NAME} is available: #{VERSION}", "Version #{VERSION} of #{PROJECT_NAME} includes the following changes:\r\n\r\n#{$svn_message}"
  end
  
  
  
  
  
  def zipFolder(folderPath, zipPath)
	sh "#{ZIP_EXE} a #{zipPath} .\\#{folderPath}\\*"
  end
  
  def send_email(from, from_alias, to, subject, message)
	msg = <<END_OF_MESSAGE
From: #{from_alias} <#{from}>
To: #{to}
Subject: #{subject}

#{message}

You can see this version of #{PROJECT_NAME} running here: #{DEPLOYMENT_URL}

=========================================================================
This is an automated email sent by the #{PROJECT_NAME} build server

END_OF_MESSAGE
	
	#http://www.ruby-doc.org/stdlib/libdoc/net/smtp/rdoc/classes/Net/SMTP.html
	Net::SMTP.start(SMTP_SERVER) do |smtp|
		smtp.send_message msg, from, to
	end
  end

  def httpGet(url)
    #http://ruby-doc.org/stdlib/libdoc/net/http/rdoc/classes/Net/HTTP.html
	Net::HTTP.get_print URI.parse(url)
  end

  def delete_svn_folders(folder)
	Find.find(folder) do |path| 
		if(path =~ /\.svn$/ || path =~ /\_svn$/)
			puts "Deleting: #{path}" 	
			FileUtils.rm_r path, :force => true
		end
	end
  end
  
end