local setup, bufferline = pcall(require, "bufferline")
if not setup then
    return
end

bufferline.setup {
    options = {
        mode = "buffers",
        style_preset = bufferline.style_preset.default,
        themable = true,
        numbers = "none",
        close_command = "bdelete! %d",
        indicator = {
            icon = "▎",
            style = "icon"
        },
        max_name_length = 18,
        max_prefix_length = 15,
        truncate_names = true,
        tab_size = 18,
        offsets = {
            {
                filetype = "NvimTree",
                text = "File Explorer",
                highlight = "None",
                padding = 1
            }
        },
        color_icons = true,
        get_element_icon = function(element)
            local icon, hl = require('nvim-web-devicons').get_icon_by_filetype(element.filetype, { default = false })
            return icon, hl
        end,
        always_show_bufferline = true,
        diagnostics = "nvim_lsp",
        diagnostics_update_in_insert = false,
        diagnostics_indicator = function(count, level, diagnostics_dict, context)
            if context.buffer:current() then
                return ''
            end

            return ''
        end,
        highlights = {
            background = {
                guibg = "None",
            },
            fill = {
                guibg = "None",
            },
            close_button = {
                guibg = "None",
            },
            separator_visible = {
                guibg = "None",
            },
            tab_close = {
                guibg = "None",
            },
        },
    }
}

vim.g.transparent_groups = vim.list_extend(
  vim.g.transparent_groups or {},
  vim.tbl_map(function(v)
    return v.hl_group
  end, vim.tbl_values(require('bufferline.config').highlights))
)