local M = {}

local log = require"navigator.util".log
local api = vim.api

-- lsp sign            ﮻           ﯭ                ﳀ    
function M.diagnositc_config_sign()
  if M.configed then
    return
  end
  local icons = _NgConfigValues.icons

  local sign_name = "NavigatorLightBulb"
  if vim.fn.sign_getdefined(sign_name).text == nil then

    vim.fn
        .sign_define(sign_name, {text = icons.code_action_icon, texthl = "LspDiagnosticsSignHint"})

    sign_name = "NavigatorCodeLensLightBulb"
    vim.fn.sign_define(sign_name,
                       {text = icons.code_lens_action_icon, texthl = "LspDiagnosticsSignHint"})
  end

  local e, w, i, h = icons.diagnostic_err, icons.diagnostic_warn, icons.diagnostic_info,
                     icons.diagnostic_hint
  if vim.diagnostic ~= nil then
    local t = vim.fn.sign_getdefined('DiagnosticSignWarn')
    if (vim.tbl_isempty(t) or t[1].text == "W ") and icons.icons == true then

      vim.fn.sign_define('DiagnosticSignError',
                         {text = e, texthl = 'DiagnosticError', linehl = '', numhl = ''})
      vim.fn.sign_define('DiagnosticSignWarn',
                         {text = w, texthl = 'DiagnosticWarn', linehl = '', numhl = ''})
      vim.fn.sign_define('DiagnosticSignInfo',
                         {text = i, texthl = 'DiagnosticInfo', linehl = '', numhl = ''})
      vim.fn.sign_define('DiagnosticSignHint',
                         {text = h, texthl = 'DiagnosticHint', linehl = '', numhl = ''})

      t = vim.fn.sign_getdefined('DiagnosticSignWarn')
    end
  else
    local t = vim.fn.sign_getdefined('LspDiagnosticSignWarn')
    if (vim.tbl_isempty(t) or t[1].text == "W ") and icons.icons == true then
      vim.fn.sign_define('LspDiagnosticsSignError',
                         {text = e, texthl = 'LspDiagnosticsSignError', linehl = '', numhl = ''})
      vim.fn.sign_define('LspDiagnosticsSignWarning',
                         {text = w, texthl = 'LspDiagnosticsSignWarning', linehl = '', numhl = ''})
      vim.fn.sign_define('LspDiagnosticsSignInformation', {
        text = i,
        texthl = 'LspDiagnosticsSignInformation',
        linehl = '',
        numhl = ''
      })
      vim.fn.sign_define('LspDiagnosticsSignHint',
                         {text = h, texthl = 'LspDiagnosticsSignHint', linehl = '', numhl = ''})
    end
  end
  M.configed = true
end

function M.add_highlight()

  -- lsp system default
  api.nvim_command("hi! link LspDiagnosticsUnderlineError SpellBad")
  api.nvim_command("hi! link LspDiagnosticsUnderlineWarning SpellRare")
  api.nvim_command("hi! link LspDiagnosticsUnderlineInformation SpellRare")
  api.nvim_command("hi! link LspDiagnosticsUnderlineHint SpellRare")

  api.nvim_command("hi! link DiagnosticUnderlineError SpellBad")
  api.nvim_command("hi! link DiagnosticUnderlineWarning SpellRare")
  api.nvim_command("hi! link DiagnosticUnderlineInformation SpellRare")
  api.nvim_command("hi! link DiagnosticUnderlineHint SpellRare")
  api.nvim_command("hi def link NGPreviewTitle Title")
  local colors = {
    {'#aefe00', '#aede00', '#aebe00', '#4e7efe'}, {'#ff00e0', '#df00e0', '#af00e0', '#fedefe'},
    {'#1000ef', '#2000df', '#2000cf', '#f0f040'}, {'#d8a8a3', '#c8a8a3', '#b8a8a3', '#4e2c33'},
    {'#ffa724', '#efa024', '#dfa724', '#0040ff'}, {'#afdc2b', '#09dc4b', '#08d04b', '#ef4f8f'}
  }

  for i = 1, #colors do
    for j = 1, 3 do
      local cmd = string.format("hi! default NGHiReference_%i_%i guibg=%s guifg=%s ", i, j,
                                colors[i][j], colors[i][4])
      vim.cmd(cmd)
    end
  end
end

return M