# -*- coding: utf-8 -*-
require 'thor'
require 'thor/actions'
require 'uuidtools'
#require 'typhoeus'
require 'rest_client'
require 'pp'
# require 'redcarpet'

module Hse
  class CLI < ::Thor
    include Thor::Actions

    attr_accessor :appdir, :config_file, :debug

    method_option "appname",
    :type => :string,
    :banner => "set the name of the application for templating. defaults to the basename of the appdir"

    class_option "appdir",
    :type => :string,
    :banner => "set the application directory to work with. assumes the current directory"

    # class_option "config",
    #     :aliases => '-c',
    #     :type => :string,
    #     :banner => "use a specific soca config.js"

    # class_option "debug",
    #     :type => :boolean,
    #     :default => false,
    #     :aliases => '-d',
    #     :banner => "set log level to debug"

    # class_option "version",
    #     :type => :boolean,
    #     :aliases => '-v',
    #     :banner => "print version and exit"

    default_task :help

    # прочитать файл блога
    # создать документ: _id, timestamp -> красивый date,
    # залить
    # прочитать из базы -> получить _rev
    # обновить
    # а для этого вначале прочитать .couchrc
    # и создать .couchrc

    # desc 'build_old [FILE]', 'read FILE and build json doc with uniq _uuid'
    # def build_(fname = 'default')
    #   document = {}
    #   puts "APDIR.self #{self.appdir}"
    #   puts "APDIR #{self.appdir}"
    #   path = File.expand_path(File.join(appdir, fname))
    #   puts "path #{path}"
    #   uuid = UUIDTools::UUID.sha1_create UUIDTools::UUID_DNS_NAMESPACE, "#{fname}"
    #   puts "_ID = #{path} - #{uuid}"
    #   lines = File.readlines path
    #   lines.reject!{|c|c.empty? || c == "\n"}
    #   document[:title] = lines.shift.strip
    #   document[:tags] = lines.shift.strip.split(/[[:punct:]]| /).reject!{|c|c.empty?}
    #   markdown = Redcarpet::Markdown.new(Redcarpet::Render::HTML, :autolink => true, :space_after_headers => true)
    #   body = markdown.render lines.join("\n")
    #   document[:body] = body
    #   say "----------", :green
    #   pp document
    #   document
    # end

    def initialize(*)
      super
      self.appdir      = options[:appdir] || File.expand_path(Dir.pwd)
      # self.config_file = options[:config]
      # self.debug = options[:debug]
      self.source_paths << File.expand_path(File.join(File.dirname(__FILE__), 'templates'))
    end

    # desc 'get [URL]', 'get URL'
    # def get(url, env = 'default')
    #   remote(env).get url
    # end

    # desc 'getid [_ID]', 'get doc _ID from couchdb'
    # def getid(_id = 'default')
    #   uuid = UUIDTools::UUID.sha1_create UUIDTools::UUID_DNS_NAMESPACE, "#{_id}"
    #   puts "_ID = #{_id} - #{uuid}"
    # end

    desc 'get [ID]', 'get doc by id'
    def get(id = false, env = 'default')
      remote(env).get_id id
    end

    desc 'user [EMAIL] push=false', 'get/push user by email'
    def user(email = false, push = false, env = 'default')
      remote(env).user email, push
    end

    desc 'build [FILE]', 'parse FILE'
    def build(fname = 'default')
      doc = parse.build fname
      pp doc
    end

    desc 'check [FILE]', 'check the correctness of module in FILE'
    def check(fname = 'default')
      doc = parse.build fname
      if doc[:title].nil?
        say "error: title should be filled", :red
      elsif doc[:en].nil?
        say "error: English title should be filled", :red
      elsif doc[:author].nil?
        say "error: author should be filled", :red
      elsif doc[:tags].nil? || doc[:tags].empty?
        say "error: tags should be filled", :red
      else
        say "module ok", :green
      end
    end

    desc 'taglist [COURSE]', 'print full list of tags for COURSE course'
    def taglist(course = 'default', env = 'default')
      #remote(env).get taglist, course
      case course
      when "Anti4ka"
        say %w(tag tag1 tag2 tag2)
      when ""
      else
        say "error: no course #{course}", :red
      end
    end

    desc 'push [FILE]', 'parse FILE, build json DOC and push DOC'
    def push(fname = false, env = 'default')
      doc = build fname
      puts "BUILD DOC_ID = #{doc[:_id]}"
      revision = remote(env).get_doc_revision(doc)
      doc['_rev'] = revision if revision
      puts "rev ====== #{revision}"
      post_body = JSON.generate doc
      puts "pushing document id #{doc[:_id]}"
      remote(env).put(doc[:_id], post_body)
    end

    desc 'generate [APPDIR]', 'generates .couchapprc'
    def generate(to = nil)
      self.appdir = to if to
      self.destination_root = appdir
      directory('modules')
      directory('posts')
      directory('panels')
      directory('events')
      template('couchapprc.erb', '.couchapprc')
    end


    private

    def appname
      @appname = options[:name] || File.basename(appdir)
    end

    def remote(env)
      Hse::Remote.new appdir, env #, config_file
    rescue => e
      say e.message, :red
      exit
    end

    def parse
      Hse::Parse.new appdir #, config_file
    rescue => e
      say e.message, :red
      exit
    end

  end
end