require 'masterview'

MasterView::Log.level = Logger::ERROR

namespace :mv do

  desc 'Display list and status about each MasterView template'
  task :list do
    template_specs, content_hash = MasterView::TemplateSpec.scan
    @template_specs_sorted = template_specs.sort
    @template_specs_sorted.each do |path, ts| 
      puts "#{path}\t#{ts.status}\t#{ts.message}"
    end
  end

  desc 'Display list, status, and full details about each MasterView template'
  task :list_all do
    template_specs, content_hash = MasterView::TemplateSpec.scan
    @template_specs_sorted = template_specs.sort
    @template_specs_sorted.each do |path, ts| 
      puts "#{path}\t#{ts.status}\t#{ts.message}"
      puts "\tgenerates: #{ts.gen_parts.join(', ')}\n\n"
    end
  end

  desc 'Rebuild/update template imports, specify TEMPLATE=foo.html'
  task :rebuild do
    raise "Usage: rake mv:rebuild TEMPLATE=foo.html" unless ENV['TEMPLATE']
    path = ENV['TEMPLATE']
    short_name = File.basename(path)
    short_name = short_name+'.html' unless short_name.index('.') 
    path = File.join('app/views', MasterView::TemplateSrcRelativePath, short_name)
    template_specs, content_hash = MasterView::TemplateSpec.scan
    template_spec = template_specs[path]
    raise 'Template '+path+' not found' unless template_spec
    if template_spec.rebuild_template(content_hash, :write_to_file => true)
      puts 'File '+path+' updated'
      puts 'Note: Backup was created in '+MasterView::DirectoryForRebuildBackups
    else
      puts 'Identical content - no update needed for '+path
    end
  end

  desc 'Rebuild all outdated template imports'
  task :rebuild_all do
    files_rebuilt = []
    MasterView::TemplateSpec.scan do |template_spec, content_hash|
      if template_spec.status == MasterView::TemplateSpec::Status::ImportsOutdated &&
         template_spec.rebuild_template(content_hash, :write_to_file => true)
            files_rebuilt << template_spec.path
      end
    end
    files_rebuilt.each do |f|
      puts f+' updated'
    end
    unless files_rebuilt.empty? || MasterView::DirectoryForRebuildBackups.nil?
      puts 'Note: Backups were created in '+MasterView::DirectoryForRebuildBackups
    end
  end

  # checks app path first for views and files, then falls back to files in MV
  def find_path(path)
    mv_path = File.join(File.dirname(__FILE__), '../lib/masterview/extras', path)
    working_path = (File.exist?(path)) ? path : mv_path
  end

  desc 'Create shell template using layout of existing masterview template, requires TEMPLATE=foo.html ACTION=list'
  task :copy_layout do
      raise "Usage: rake mv:copy_layout TEMPLATE=foo.html ACTION=list" unless ENV['TEMPLATE'] &&  ENV['ACTION']
      action_to_create = ENV['ACTION']
      short_name = File.basename(ENV['TEMPLATE'])

      empty_file_path = find_path('app/views/masterview/admin/empty.rhtml')
      empty_insert_erb = File.readlines(empty_file_path).join

      src_file = File.join('app/views', MasterView::TemplateSrcRelativePath, short_name)
      dst_file = MasterView::TemplateSpec.create_empty_shell_for_action(src_file, action_to_create, empty_insert_erb, :write_to_file => true)
      puts dst_file+' created'
  end

  desc "Run parser manually on masterview html files to generate the erb/rhtml files"
  task :parse do
    OutputDir = 'app/views'
    filelist = Dir.glob('app/views/masterview/**/*.html')
    filelist.each do |file|
      MasterView::Parser.parse_file( file, OutputDir)
      puts 'Generated erb/rhtml files from '+file
    end
    puts 'Generated erb/rhtml output was created in app/views/** tree'
  end


end