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 = false,
	keys = {},
	evt = {},

	---@param p Rabbit.Plugin.Buffers
	init = function(p)
		p.listing[0] = {}
		p.listing.bufnrs = {}
	end,

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

local get_buffers = function()
	M.listing.bufnrs = {}
	M.listing[0] = {}

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

	for _, b in ipairs(bufs) do
		-- set.add(M.listing.bufnrs, b.bufnr)
		-- set.add(M.listing[0], b.name)
		table.insert(M.listing[0], b.name)
		table.insert(M.listing.bufnrs, b.bufnr)
	end
	table.insert(M.listing[0], M.listing[0][1])
	table.insert(M.listing.bufnrs, M.listing.bufnrs[1])
	table.remove(M.listing[0], 1)
	table.remove(M.listing.bufnrs, 1)
end

function M.evt.RabbitEnter()
	require("rabbit").opts.plugin_opts["buffers"] = { window = { title = vim.fn.bufname() } }
	get_buffers()
end

---@param n integer
function M.func.file_del(n)
	require("bufdelete").bufdelete(M.listing.bufnrs[n])
	table.remove(M.listing, n)
	require("rabbit").Redraw()
end

return M