require 'rake/tasklib'

module Rake::Funnel::Tasks
  class MSBuild < Rake::TaskLib
    include Rake::Funnel::Support
    include Rake::Funnel::Support::MSBuild

    attr_accessor :name, :msbuild, :project_or_solution, :args, :search_pattern

    def initialize(*args, &task_block)
      setup_ivars(args)

      define(args, &task_block)
    end

    def project_or_solution
      Finder.new(@project_or_solution || search_pattern, self, 'No projects or more than one project found.')
    end

    def project_or_solution=(value)
      @project_or_solution = value
    end

    private
    def setup_ivars(args)
      @name = args.shift || :compile

      @msbuild = BuildTool.find
      @args = {}
      @search_pattern = %w(**/*.sln)
    end

    def define(args, &task_block)
      desc 'Compile MSBuild projects' unless Rake.application.last_description

      task(name, *args) do |_, task_args|
        task_block.call(*[self, task_args].slice(0, task_block.arity)) if task_block

        cmd = [
          msbuild,
          project_or_solution.single,
          *Mapper.new(:MSBuild).map(@args)
        ]

        sh(*cmd)
      end

      self
    end
  end
end