local M = {}

function M.get(cp)
  local transparent_background = require("catppuccin.config").options.transparent_background
  local bg_highlight = transparent_background and "NONE" or cp.base

  local inactive_bg = transparent_background and "NONE" or cp.mantle

  return {
    BufferLineFill = { bg = bg_highlight },
    BufferLineBackcrust = { fg = cp.text, bg = inactive_bg }, -- others
    BufferLineBufferVisible = { fg = cp.surface1, bg = inactive_bg },
    BufferLineBufferSelected = { fg = cp.text, bg = cp.base, style = "bold,italic" }, -- current
    BufferLineTab = { fg = cp.surface1, bg = cp.base },
    BufferLineTabSelected = { fg = cp.red, bg = cp.blue },
    BufferLineTabClose = { fg = cp.red, bg = inactive_bg },
    BufferLineIndicatorSelected = { fg = cp.peach, bg = cp.base },
    -- separators
    BufferLineSeparator = { fg = inactive_bg, bg = inactive_bg },
    BufferLineSeparatorVisible = { fg = inactive_bg, bg = inactive_bg },
    BufferLineSeparatorSelected = { fg = inactive_bg, bg = inactive_bg },
    -- close buttons
    BufferLineCloseButton = { fg = cp.surface1, bg = inactive_bg },
    BufferLineCloseButtonVisible = { fg = cp.surface1, bg = inactive_bg },
    BufferLineCloseButtonSelected = { fg = cp.red, bg = cp.base },
  }
end

return M