require File.expand_path('../spec_helper', __FILE__)

module SpecHelper
  class Installer < Pod::Installer
    # Here we override the `source' of the pod specifications to point to the integration fixtures.
    def dependent_specification_sets
      @dependent_specification_sets ||= super
      @dependent_specification_sets.each do |set|
        def set.specification
          spec = super
          unless spec.part_of_other_pod?
            source = spec.source
            source[:git] = SpecHelper.fixture("integration/#{spec.name}").to_s
            spec.source = source
          end
          spec
        end
      end
      @dependent_specification_sets
    end
  end
end

unless SpecHelper.fixture('integration/ASIHTTPRequest/Classes').exist?
  puts "[!] You must run `git submodule update --init` for the integration spec to work, skipping."
else
  [:ios, :osx].each do |platform|
    describe "A full (integration spec) installation for platform `#{platform}'" do
      extend SpecHelper::TemporaryDirectory

      before do
        Pod::Source.reset!
        Pod::Spec::Set.reset!
        fixture('spec-repos/master') # ensure the archive is unpacked

        @config_before = config
        Pod::Config.instance = nil
        config.silent = true
        config.repos_dir = fixture('spec-repos')
        config.project_pods_root = temporary_directory + 'Pods'

        FileUtils.cp_r(fixture('integration/.'), config.project_pods_root)
      end

      after do
        Pod::Config.instance = @config_before
      end

      def should_successfully_perform(command)
        output = `#{command} 2>&1`
        puts output unless $?.success?
        $?.should.be.success
      end

      # TODO add a simple source file which uses the compiled lib to check that it really really works
      it "should activate required pods and create a working static library xcode project" do
        spec = Pod::Podfile.new do
          # first ensure that the correct info is available to the specs when they load
          config.rootspec = self

          self.platform platform
          dependency 'ASIWebPageRequest', '>= 1.8.1'
          dependency 'JSONKit',           '>= 1.0'
          dependency 'SSZipArchive',      '< 2'
        end

        installer = SpecHelper::Installer.new(spec)
        installer.install!

        root = config.project_pods_root
        (root + 'Reachability.podspec').should.exist if platform == :ios
        (root + 'ASIHTTPRequest.podspec').should.exist
        (root + 'ASIWebPageRequest.podspec').should.exist
        (root + 'JSONKit.podspec').should.exist
        (root + 'SSZipArchive.podspec').should.exist

        (root + 'Pods.xcconfig').read.should == installer.targets.first.xcconfig.to_s

        project_file = (root + 'Pods.xcodeproj/project.pbxproj').to_s
        NSDictionary.dictionaryWithContentsOfFile(project_file).should == installer.project.to_hash

        puts "\n[!] Compiling static library..."
        Dir.chdir(config.project_pods_root) do
          should_successfully_perform "xcodebuild"
        end
      end

      it "does not activate pods that are only part of other pods" do
        spec = Pod::Podfile.new do
          # first ensure that the correct info is available to the specs when they load
          config.rootspec = self

          self.platform platform
          dependency 'Reachability'
        end

        installer = SpecHelper::Installer.new(spec)
        installer.install!

        (config.project_pods_root + 'Reachability.podspec').should.exist
        (config.project_pods_root + 'ASIHTTPRequest.podspec').should.not.exist
      end

      it "adds resources to the xcode copy script" do
        spec = Pod::Podfile.new do
          # first ensure that the correct info is available to the specs when they load
          config.rootspec = self

          self.platform platform
          dependency 'SSZipArchive'
        end

        installer = SpecHelper::Installer.new(spec)
        installer.targets.first.build_specifications.first.resources = 'LICEN*', 'Readme.*'
        installer.install!

        contents = (config.project_pods_root + 'Pods-resources.sh').read
        contents.should.include "install_resource 'SSZipArchive/LICENSE'\n" \
                                "install_resource 'SSZipArchive/Readme.markdown'"
      end

      # TODO we need to do more cleaning and/or add a --prune task
      it "overwrites an existing project.pbxproj file" do
        spec = Pod::Podfile.new do
          # first ensure that the correct info is available to the specs when they load
          config.rootspec = self

          self.platform platform
          dependency 'JSONKit'
        end
        installer = SpecHelper::Installer.new(spec)
        installer.install!

        Pod::Source.reset!
        Pod::Spec::Set.reset!
        spec = Pod::Podfile.new do
          # first ensure that the correct info is available to the specs when they load
          config.rootspec = self

          self.platform platform
          dependency 'SSZipArchive'
        end
        installer = SpecHelper::Installer.new(spec)
        installer.install!

        project = Pod::Xcode::Project.new(config.project_pods_root + 'Pods.xcodeproj')
        project.source_files.should == installer.project.source_files
      end

      it "creates a project with multiple targets" do
        Pod::Source.reset!
        Pod::Spec::Set.reset!

        podfile = Pod::Podfile.new do
          # first ensure that the correct info is available to the specs when they load
          config.rootspec = self
          self.platform platform
          target(:debug) { dependency 'SSZipArchive' }
          target(:test, :exclusive => true) { dependency 'JSONKit' }
          dependency 'ASIHTTPRequest'
        end

        installer = Pod::Installer.new(podfile)
        installer.install!

        #project = Pod::Xcode::Project.new(config.project_pods_root + 'Pods.xcodeproj')
        #p project
        #project.targets.each do |target|
          #target.source_build_phases.
        #end

        root = config.project_pods_root
        (root + 'Pods.xcconfig').should.exist
        (root + 'Pods-debug.xcconfig').should.exist
        (root + 'Pods-test.xcconfig').should.exist
        (root + 'Pods-resources.sh').should.exist
        (root + 'Pods-debug-resources.sh').should.exist
        (root + 'Pods-test-resources.sh').should.exist

        Dir.chdir(config.project_pods_root) do
          puts "\n[!] Compiling static library `Pods'..."
          should_successfully_perform "xcodebuild -target Pods"
          puts "\n[!] Compiling static library `Pods-debug'..."
          should_successfully_perform "xcodebuild -target Pods-debug"
          puts "\n[!] Compiling static library `Pods-test'..."
          should_successfully_perform "xcodebuild -target Pods-test"
        end
      end

      it "sets up an existing project with pods" do
        basename = platform == :ios ? 'iPhone' : 'Mac'
        projpath = temporary_directory + 'ASIHTTPRequest.xcodeproj'
        FileUtils.cp_r(fixture("integration/ASIHTTPRequest/#{basename}.xcodeproj"), projpath)
        spec = Pod::Podfile.new do
          self.platform platform
          dependency 'SSZipArchive'
        end
        installer = SpecHelper::Installer.new(spec)
        installer.install!
        installer.configure_project(projpath)

        xcworkspace = temporary_directory + 'ASIHTTPRequest.xcworkspace'
        workspace = Pod::Xcode::Workspace.new_from_xcworkspace(xcworkspace)
        workspace.projpaths.sort.should == ['ASIHTTPRequest.xcodeproj', 'Pods/Pods.xcodeproj']

        project = Pod::Xcode::Project.new(projpath)
        libPods = project.files.find { |f| f.name == 'libPods.a' }
        project.targets.each do |target|
          target.buildConfigurations.each do |config|
            config.baseConfiguration.path.should == 'Pods/Pods.xcconfig'
          end

          phase = target.frameworks_build_phases.first
          phase.files.map { |buildFile| buildFile.file }.should.include libPods

          # should be the last phase
          target.buildPhases.last.shellScript.should == "${SRCROOT}/Pods/Pods-resources.sh\n"
        end
      end

    end
  end
end
