$:.push(File.dirname(__FILE__))

require 'rubygems'
require 'yaml'
require 'optparse'
require 'fileutils'
require 'erb'
require 'ftools'

require 'asproject/version'
require 'asproject_base'
require 'platform.rb'
require 'asproject_utils'
require 'template_resolver'
require 'path_finder'
require 'project'
require 'eclipse_project'
require 'asproject_arguments'
require 'asclass'

module AsProject
  class AsProject < AsProjectBase
    @@ASPROJECT_FILE_NAME               = 'AsProject'
    @@TEMPLATE_TYPE                     = 'asproject'
    @@DEFAULT_TEMPLATES                 = ['as3', 'fb2as', 'asunit3', 'config']
    
    def initialize(args=nil)
      execute(args)
    end
    
    def execute(args=nil)
      begin
        @should_create_project = true
        @created_files = []
        if(args.nil?)
          @execution_dir = Dir.pwd
        else
          @execution_dir = args.execution_dir
          @project_name = args.project_name
        end
        @path_finder = PathFinder.new(@execution_dir)
        parse_args(args)

        @resolver = AsProjectResolver.new(self)
        if(@arguments.copy_to_home)
          copy_templates_to_user_home
        end
        
        out '---------------------------'
        begin
          project = @path_finder.current_project
          @should_create_project = false
          msg = ">> Working in existing project #{project_name} at: " + project
        rescue
          if(@arguments.project_name == '')
            finish
            exit
          end
          msg = ">> Creating a new project at: #{@execution_dir}#{File::SEPARATOR}#{@project_name}"
        end

        out msg

        if(@arguments.project_name == '')
          @execution_dir = File.expand_path(@path_finder.current_project)
          @path_finder.execution_dir = @execution_dir
          @arguments.execution_dir = @execution_dir
        else
          create_project
        end

        if(@arguments.copy_to_project)
          copy_templates_to_project
        end

        copy_templates(@arguments.selected_templates)

        finish
      rescue ProjectError => e
        out e.message
        exit
      end
    end
    
    def parse_args args
      if(args.nil?)
        @arguments = ProjectArguments.new
        @arguments.should_create = @should_create_project
        @arguments.path_finder = @path_finder
        @arguments.default_templates = @@DEFAULT_TEMPLATES
        @arguments.project_templates = @path_finder.get_available_templates(@@TEMPLATE_TYPE)
        @arguments.execution_dir = @execution_dir
        @arguments.parse!(ARGV)
        if(@should_create_project)
          @project_name = @arguments.project_name
        end
      else
        @execution_dir = args.execution_dir
        @project_name = args.project_name
        @path_finder = PathFinder.new(@execution_dir)
        @arguments = args
      end
    end
    
    def create_project
      if(File.exists? project_path)
        if(@arguments.force?)
          msg = <<EOF

Are you sure you want to replace the entire directory at:
#{project_path}?

(y)es or (n)o
EOF
          out msg
          response = gets.chomp!
          if(response == 'y')
            FileUtils.rm_rf(project_path)
            out '>> Deleted: [' + project_path + ']'
          else
            raise ProjectError.new('Was unable to create the project at: ' + project_path)
          end
        else
          raise ProjectError.new('Directory at ' + project_path + ' already exists, use -f (--force) option to clobber.')
        end
      end
      Dir.mkdir(project_path)
      @created_files << project_path
#      create_config_yaml
    end
  
    def copy_templates(templates, target=nil, type=nil, render=true)
      if(target.nil?)
        target = project_path
      end
      if(type.nil?)
        type = @@TEMPLATE_TYPE
      end
      templates.each do |template|
        @resolver.copy_files(@path_finder.get_template(type, template), target, render).each do |file|
          @created_files << file
        end
      end
    end
    
    def copy_templates_to_user_home(type=nil)
      if(type.nil?)
        copy_templates_to_user_home('asproject')
        copy_templates_to_user_home('asclass')
        return
      end
      user_templates = File.join(@path_finder.user_asproject_home, 'templates', type)
      templates = @path_finder.get_children(@path_finder.get_gem_template(type, ''))
      templates.each do |template|
        target = File.join(user_templates, template)
        if(!File.exists?(target))
          File.makedirs(target)
        end
        @created_files << target
        @resolver.copy_files(@path_finder.get_gem_template(type, template), target, false).each do |file|
          @created_files << file
        end
      end
    end
    
    def copy_templates_to_project(type=nil)
      if(type.nil?)
        copy_templates_to_project('asproject')
        copy_templates_to_project('asclass')
        return
      end
      project_templates = File.join(project_path, 'config', 'templates', type)
      templates = @path_finder.get_available_templates(type)
      templates.each do |template|
        template_target = File.join(project_templates, template)
        if(!File.exists?(template_target))
          File.makedirs(template_target)
          @created_files << template_target
          copy_templates(template, template_target, type, false)
        end
      end
    end
    
    def presumed_project_name
      e_project_name = eclipse_project_name
      if(!e_project_name.nil?)
        return e_project_name
      else
        return File.basename(@execution_dir)
      end
    end
    
    def eclipse_project_name
      if(File.exists?(File.join(@execution_dir, '.project')))
        begin
          @eclipse_project = EclipseProject.new(@execution_dir)
          if(!@eclipse_project.project_name.nil?)
            return @eclipse_project.project_name
          end
        rescue
          return nil
        end
      end
    end
    
    def project_name
      return @project_name
    end
    
    def project_path
      return File.join(@execution_dir, @arguments.project_name)
    end
  end

  #######################################
  # ignore_file?
  @@COPY_IGNORE_FILES = ['.', '..', '.svn', '.DS_Store', 'CVS', '.cvs' 'Thumbs.db', '.crap_file']
  # Do not copy files found in the ignore_files list
  def AsProject.ignore_file? file
    @@COPY_IGNORE_FILES.each do |name|
      if(name == file)
        return true
      end
    end
    return false
  end
  
  #######################################
  # AsProjectResolver
  class AsProjectResolver < TemplateResolver

    def initialize(context)
      super()
      @context = context
    end
    
    def instance_name
      return @context.uncapitalize(project_name)
    end

    def project_name
      @context.project_name
    end
    
    def project_path
      return @context.project_path
    end
  end
end