nvim2023/lua/junikim/theme.lua

require('gruvbox').setup {
}

local day = 9
local night = 18
local hour = os.date("*t").hour

local themes = { "gruvbox", "gruvbox" }
local theme = 1

if day <= hour and hour < night then
  theme = 1
else
  theme = 2
end
vim.cmd.colorscheme(themes[theme])
vim.api.nvim_set_hl(0, "Normal", { bg = "none" })
vim.api.nvim_set_hl(0, "NormalFloat", { bg = "none" })

local function toggletheme()
  if theme == 1 then
    theme = 2
    vim.cmd('set background=dark')
  else
    theme = 1
    vim.cmd('set background=light')
  end
  --vim.cmd.colorscheme(themes[theme])

  --vim.api.nvim_set_hl(0, "Normal", { bg = "none" })
  --vim.api.nvim_set_hl(0, "NormalFloat", { bg = "none" })
end

vim.api.nvim_create_user_command("ToggleTheme", toggletheme, {})