local M = {}

M.setup = function()
    local function lspSymbol(name, icon)
        local hl = 'DiagnosticSign' .. name
        vim.fn.sign_define(hl, { text = icon, numhl = hl, texthl = hl })
    end

    lspSymbol('Error', '')
    lspSymbol('Warn', '')
    lspSymbol('Info', '')
    lspSymbol('Hint', '')

    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

    -- vim.o.updatetime = 100
    -- vim.cmd([[autocmd CursorHold,CursorHoldI,CmdlineEnter * lua vim.diagnostic.open_float(nil, {focus=false})]])
    vim.diagnostic.config({
        virtual_text = true,
        severity_sort = true,
        underline = true,
        update_in_insert = false,
        float = {
            focusable = false,
            style = 'minimal',
            border = 'rounded',
            source = 'always',
            header = '',
            prefix = '',
        },
    })
end

return M