vim.o.foldmethod='expr'
vim.o.foldexpr='nvim_treesitter#foldexpr()'

vim.diagnostic.config({
  virtual_text = false,
  signs = true,
  underline = false,
  update_in_insert = false,
  severity_sort = true,
	float = {
    source = "always",  -- Or "if_many"
  },
})

-- -- automatically show diagnostics for line
-- vim.cmd [[
-- 	augroup diagnostic_on_hover
-- 	autocmd CursorHold,CursorHoldI * lua vim.diagnostic.open_float(nil, {focus=false})
-- 	augroup END
-- ]]

local signs = { Error = "● ", Warn = "● ", Hint = "● ", Info = "● " }
for type, icon in pairs(signs) do
  local hl = "DiagnosticSign" .. type
  vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
end

local border = {
      {"┌", "FloatBorder"},
      {"─", "FloatBorder"},
      {"┐", "FloatBorder"},
      {"│", "FloatBorder"},
      {"┘", "FloatBorder"},
      {"─", "FloatBorder"},
      {"└", "FloatBorder"},
      {"│", "FloatBorder"},
}

local orig_util_open_floating_preview = vim.lsp.util.open_floating_preview
function vim.lsp.util.open_floating_preview(contents, syntax, opts, ...)
  opts = opts or {}
  opts.border = opts.border or border
  return orig_util_open_floating_preview(contents, syntax, opts, ...)
end