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
  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
  M.configed = true
end

function M.add_highlight()
  -- lsp system default
  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

  vim.cmd([[
        autocmd ColorScheme * |
        hi default LspReferenceRead cterm=bold gui=Bold ctermbg=yellow guifg=yellow guibg=purple4 |
        hi default LspReferenceText cterm=bold gui=Bold ctermbg=red guifg=SlateBlue guibg=MidnightBlue |
        hi default LspReferenceWrite cterm=bold gui=Bold,Italic ctermbg=red guifg=DarkSlateBlue guibg=MistyRose
    ]])
end

return M