defmodule Something.Schema do
  use ESx.Schema

  defstruct [:id, :title]

  mapping do
    indexes :ngram_analyzer, type: "string", analyzer: "ngram_analyzer"
    indexes :ja_analyzer, type: "string", analyzer: "ja_analyzer"
    indexes :romajiyomi_analyzer, type: "string", analyzer: "romajiyomi_analyzer"
    indexes :kanayomi_analyzer, type: "string", analyzer: "kanayomi_analyzer"

    indexes :multiple, type: "string", analyzer: "ngram_analyzer", search_analyzer: "ngram_analyzer"
  end

  analysis do
    tokenizer :ngram_tokenizer,
      type: "nGram", min_gram: "2", max_gram: "3",
      token_chars: ["letter", "digit"]

    analyzer :ngram_analyzer,
      tokenizer: "ngram_tokenizer",
      char_filter: ["html_strip", "kuromoji_iteration_mark"],
      filter: ["lowercase", "kuromoji_stemmer", "cjk_width"]

    # ..

    filter :ja_posfilter,
      type: "kuromoji_part_of_speech",
      stoptags: ["助詞-格助詞-一般", "助詞-終助詞"]
    filter :romajiform,
      type: "kuromoji_readingform",
      use_romaji: true
    filter :katakanaform,
      type: "kuromoji_readingform",
      use_romaji: false
    filter :split_delimiter,
      type: "word_delimiter",
      generate_word_parts: true,
      generate_number_parts: false,
      catenate_words: false,
      catenate_numbers: false,
      catenate_all: false,
      split_on_case_change: false,
      preserve_original: false,
      split_on_numerics: false,
      stem_english_possessive: false

    tokenizer :ja_tokenizer,
      mode: "search",
      type: "kuromoji_tokenizer"

    analyzer :ja_analyzer,
      type: "custom",
      tokenizer: "ja_tokenizer",
      char_filter: ["html_strip", "kuromoji_iteration_mark"],
      filter: ["lowercase", "ja_posfilter", "kuromoji_stemmer", "cjk_width", "kuromoji_baseform"]
    analyzer :romajiyomi_analyzer,
      type: "custom",
      tokenizer: "ja_tokenizer",
      char_filter: ["html_strip", "kuromoji_iteration_mark"],
      filter: ["lowercase", "ja_posfilter", "kuromoji_stemmer", "cjk_width", "kuromoji_baseform", "romajiform"]
    analyzer :kanayomi_analyzer,
      type: "custom",
      tokenizer: "ja_tokenizer",
      char_filter: ["html_strip", "kuromoji_iteration_mark"],
      filter: ["lowercase", "ja_posfilter", "kuromoji_stemmer", "cjk_width", "kuromoji_baseform", "katakanaform", "split_delimiter"]

  end

  def as_indexed_json(%{} = schema, opts) do
    Poison.encode! schema
  end

end