# frozen_string_literal: true

require "json"
require "cgi"
require "time"
require_relative "create_title.rb"

class SocialcastMessage
  DEFAULT_CATEGORY = "Socialcast Import"
  DEFAULT_TAG = "socialcast-import"
  TAGS_AND_CATEGORIES = {
    "somegroupname" => {
      category: "Apple Stems",
      tags: %w[waxy tough],
    },
    "someothergroupname" => {
      category: "Orange Peels",
      tags: ["oily"],
    },
  }

  def initialize(message_json)
    @parsed_json = JSON.parse message_json
  end

  def topic
    topic = {}
    topic[:id] = @parsed_json["id"]
    topic[:author_id] = @parsed_json["user"]["id"]
    topic[:title] = title
    topic[:raw] = @parsed_json["body"]
    topic[:created_at] = Time.parse @parsed_json["created_at"]
    topic[:tags] = tags
    topic[:category] = category
    topic
  end

  def title
    CreateTitle.from_body @parsed_json["body"]
  end

  def tags
    tags = []
    if group
      if TAGS_AND_CATEGORIES[group]
        tags = TAGS_AND_CATEGORIES[group][:tags]
      else
        tags << group
      end
    end
    tags << DEFAULT_TAG
    tags
  end

  def category
    category = DEFAULT_CATEGORY
    category = TAGS_AND_CATEGORIES[group][:category] if group && TAGS_AND_CATEGORIES[group]
    category
  end

  def group
    if @parsed_json["group"] && @parsed_json["group"]["groupname"]
      @parsed_json["group"]["groupname"].downcase
    end
  end

  def url
    @parsed_json["url"]
  end

  def message_type
    @parsed_json["message_type"]
  end

  def replies
    posts = []
    comments = @parsed_json["comments"]
    comments.each { |comment| posts << post_from_comment(comment) }
    posts
  end

  def post_from_comment(comment)
    post = {}
    post[:id] = comment["id"]
    post[:author_id] = comment["user"]["id"]
    post[:raw] = comment["text"]
    post[:created_at] = Time.parse comment["created_at"]
    post
  end

  private

  def unescape(html)
    return nil unless html
    CGI.unescapeHTML html
  end
end