local M = require("lualine.component"):extend()

function M:init(options)
  M.super.init(self, options)

  local color = self.options.color or {}
  local modified = { gui = "italic" }

  self.custom_highlights = { -- [is_focused, modified]
    [true] = {
      [true] = self:create_hl(vim.tbl_extend("force", color, modified), "focus_modified"),
      [false] = self:create_hl(color, "focus"),
    },
    [false] = {
      [true] = self:create_hl(modified, "nofocus_modified"),
      [false] = self:create_hl({}, "nofocus"),
    },
  }
end

function M:update_status(is_focused)
  self.options.color_highlight = self.custom_highlights[is_focused][vim.bo.modified]

  local path = vim.fn.expand("%:~:.")

  local window = require("fschauen.util.window")
  if window.is_wide() then
    return path
  elseif window.is_medium() then
    return vim.fn.pathshorten(path) -- only first letter of directories
  else
    return vim.fn.fnamemodify(path, ":t") -- only tail
  end
end

return M