local lualine_require = require'lualine_require'
local modules = lualine_require.lazy_require{
  utils_notices = 'lualine.utils.notices'
}
local sep = package.config:sub(1,1)
local wal_colors_path = table.concat({os.getenv("HOME"), ".cache", "wal", "colors.sh"}, sep)
local wal_colors_file = io.open(wal_colors_path, "r")

if wal_colors_file == nil then
  modules.utils_notices.add_notice("lualine.nvim: " .. wal_colors_path .. " not found")
  error("")
end

local ok, wal_colors_text = pcall(wal_colors_file.read, wal_colors_file, '*a')
wal_colors_file:close()

if not ok then
  modules.utils_notices.add_notice("lualine.nvim: " .. wal_colors_path .. " could not be read: " .. wal_colors_text)
  error("")
end

local colors = {}

for line in vim.gsplit(wal_colors_text, '\n') do
  if line:match('^[a-z0-9]+=\'#[a-f0-9]+\'') ~= nil then
    local i = line:find('=')
    local key = line:sub(0, i - 1)
    local value = line:sub(i + 2, #line - 1)
    colors[key] = value
  end
end

return {
  normal = {
    a = {fg = colors.background, bg = colors.color4, gui = 'bold'},
    b = {fg = colors.foreground, bg = colors.color8},
    c = {fg = colors.foreground, bg = colors.background}
  },
  insert = {a = {fg = colors.background, bg = colors.color2, gui = 'bold'}},
  visual = {a = {fg = colors.background, bg = colors.color3, gui = 'bold'}},
  replace = {a = {fg = colors.background, bg = colors.color1, gui = 'bold'}},
  inactive = {
    a = {fg = colors.foreground, bg = colors.background, gui = 'bold'},
    b = {fg = colors.foreground, bg = colors.background},
    c = {fg = colors.foreground, bg = colors.background}
  }
}