local set = require("rabbit.plugins.util")

---@class Rabbit.Plugin.Buffers.Options
---@field public ignore_unlisted? boolean If true, will ignore unlisted buffers (like Oil)

---@class Rabbit.Plugin.Buffers: Rabbit.Plugin
local M = { ---@type Rabbit.Plugin
	color = "#d08e95",
	name = "buffers",
	func = {},
	switch = "b",
	listing = {},
	empty_msg = "No opened buffers",
	skip_same = true,
	keys = {},
	evt = {},

	---@param p Rabbit.Plugin.Buffers
	init = function(p)
		p.listing[0] = {}
		p.listing.paths = {}
		-- p.listing.persist = {} --set.clean(set.read(p.memory))
		-- p.listing.opened = {}
		-- p.listing.collections = {}
		-- p.listing.recursive = nil
	end,

	---@type Rabbit.Plugin.Buffers.Options
	opts = {
		ignore_unlisted = true,
	},
}

function M.evt.RabbitEnter(_, _)
	M.listing.paths = nil
	M.listing[0] = nil
	local bufs = vim.api.nvim_list_bufs()
	-- for _, b in ipairs(bufs) do
	-- 	local path = vim.api.nvim_buf_get_name(b)
	-- 	set.add(M.listing.paths, path)
	-- 	set.add(M.listing[0], path)
	-- end
end
-- function M.evt.BufEnter(evt, winid)
--     local is_listed = vim.api.nvim_get_option_value("buflisted", { buf = evt.buf })
--     if M.opts.ignore_unlisted and not is_listed then
--         return
--     end
--     set.add(M.listing[winid], evt.buf)
--     set.add(M.listing.opened, evt.buf)
-- end

-- function M.evt.BufDelete(evt, winid)
--     set.sub(M.listing[winid], evt.buf)
--     set.sub(M.listing.opened, evt.buf)
-- end

function M.evt.WinClosed(_, winid)
	-- if M.listing[winid] ~= nil and #M.listing[winid] > 0 then
	-- 	M.listing.last_closed = M.listing[winid]
	-- end
	-- M.listing[winid] = nil
end

---@param n integer
function M.func.select(n)
	-- local rabbit = require("rabbit")
	-- if M.listing[0] == nil or n ~= 1 then
	-- 	return rabbit.func.select(n)
	-- end
	--
	-- M.listing[0] = rabbit.ctx.listing
	-- table.remove(M.listing[0], 1)
	-- M.listing[rabbit.user.win] = M.listing[0]
	-- vim.api.nvim_win_set_buf(rabbit.user.win, tonumber(M.listing[0][1]) or 0)
	-- M.listing[0] = nil
	--
	-- rabbit.func.close()
end

---@param n integer
function M.func.file_del(n)
	-- local rabbit = require("rabbit")
	-- M.listing[rabbit.user.win] = rabbit.ctx.listing
	-- table.remove(M.listing[rabbit.user.win], n)
	-- table.insert(M.listing[rabbit.user.win], 1, rabbit.user.buf)
	-- if M.listing[0] ~= nil then
	-- 	table.remove(M.listing[rabbit.user.win], 1)
	-- 	M.listing[0] = vim.deepcopy(M.listing[rabbit.user.win])
	-- 	table.insert(M.listing[0], 1, "rabbitmsg://Restore full history")
	-- end
	-- require("rabbit").Redraw()
end

return M