local utils = require 'custom.utils'

local ltex_fts = {
  'bibtex',
  'bib',
  'tex',
  'typst',
  'latex',
  'gitcommit',
  'markdown',
  'org',
  'restructuredtext',
  'rsweave',
  'quarto',
  'rmd',
  'context',
  'text',
  'html',
  'pandoc',
  'xhtml',
  'plaintex',
  'quarto',
  'mail',
  'mdx',
  'rmd',
  'rnoweb',
  'rst',
}

LTEX_SETTINGS = {
  use_spellfile = true,
  autostart = false,
  filetypes = ltex_fts,
  settings = {
    ltex = {
      checkFrequency = 'save', -- shut up while i'm just editing, see <https://github.com/folke/noice.nvim/issues/166>
      -- specific language (such as en-GB or de-DE is recommended, but I
      -- want multilingual)
      language = 'auto',
      enabled = ltex_fts,
      additionalRules = {
        enablePickyRules = true,
        -- thats cool, but often adds diagnostics in
        -- places where a german might confuse words that are similar
        -- between english and german REGARDLESS of context. I seem to use the
        -- english words only in the proper contexts, so leaving this on
        -- just adds annoying hints like 'Hinweis: "list/NN.*" (English) bedeutet "Liste",
        -- "Verzeichnis" (German). Meinten Sie vielleicht 'cunning', 'trick'?'
        -- everytime I use the word "list". I liked that this makes the hints be
        -- in german regardless of the language I'm working in through...
        --motherTongue = "de",
      },
    },
  },
}

-- load token and additional languagetool items later if specified
local has_api_key, apiKey = utils.try_require 'custom.secret.languagetool'
if has_api_key and apiKey ~= '' then
  print(string.format('apiKey for ltex found: %s' % apiKey))
  LTEX_SETTINGS = vim.tbl_deep_extend('keep', LTEX_SETTINGS, {
    settings = {
      languageToolOrg = {
        apiKey = apiKey,
        username = 'accounts@cscherr.de',
        languageToolHttpServerUrl = 'https://api.languagetoolplus.com/v2/',
      },
      languageToolHttpServerUrl = 'https://api.languagetoolplus.com/v2/',
    },
  })
else
  print 'apiKey for ltex/languagetool is not specified'
end

return {
  {
    'vigoux/ltex-ls.nvim',
    enabled = false,
    requires = 'neovim/nvim-lspconfig',
    filetypes = { 'latex', 'tex', 'bib', 'markdown', 'gitcommit', 'text', 'typst' },
    config = function()
      require('ltex-ls').setup { LTEX_SETTINGS }
    end,
  },
}