local state = {
    floating = {
        buf = -1,
        win = -1
    }
}

function create_floating_window(opts)
    -- Set default options if not provided
    opts = opts or {}
    opts.width = opts.width or math.floor(vim.o.columns * 0.8) -- Default 80% of screen width
    opts.height = opts.height or math.floor(vim.o.lines * 0.8) -- Default 80% of screen height

    -- Create buffer
    local buf = nil
    if vim.api.nvim_buf_is_valid(opts.buf) then
        buf = opts.buf
    else
        buf = vim.api.nvim_create_buf(false, true) -- no file, scratch buffer
    end

    -- Calculate center position
    local row = math.floor((vim.o.lines - opts.height) / 2)
    local col = math.floor((vim.o.columns - opts.width) / 2)

    -- Floating window options
    local win_opts = {
        relative = "editor",
        width = opts.width,
        height = opts.height,
        col = col,
        row = row,
        style = "minimal",
        border = "rounded", -- You can use "none", "single", "double", or "rounded"
    }

    -- Create the floating window
    local win = vim.api.nvim_open_win(buf, true, win_opts)

    return { buf = buf, win = win }
end

-- Emable usage:
vim.api.nvim_create_user_command("FloatTerminal", function()
    if not vim.api.nvim_win_is_valid(state.floating.win) then
        state.floating = create_floating_window({ buf = state.floating.buf })
        if vim.bo[state.floating.buf].buftype ~= "terminal" then
            vim.cmd.term()
        end
    else
        vim.api.nvim_win_hide(state.floating.win)
    end
end, {})