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 = "#1ae5d4",
	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,
	},
}

local get_buffers = function(winid)
	M.listing.paths = {}
	M.listing[winid] = {}

	local bufs = vim.fn.getbufinfo({ buflisted = 1 })
	table.sort(bufs, function(a, b)
		return a.bufnr > b.bufnr
	end)

	for _, b in ipairs(bufs) do
		set.add(M.listing.paths, b.name)
		set.add(M.listing[winid], b.name)
	end
end

function M.evt.RabbitEnter(_, winid)
	get_buffers(winid)
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
-- -- vim.api.nvim_set_current_buf(M.listing.paths
-- -- 	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