#!/opt/lnxall_app/bin/lua

local invoker = require "invoker"
local hal = require "lnxhal"
local module = {}

local HDMI_ENABLED = "/sys/class/drm/card0-HDMI-A-1/enabled"

function module.checkplat()
	local cpuinfo = hal.cpuinfo_get()
	if type(cpuinfo) ~= "table" then
		return false
	end

	return cpuinfo.arch == hal.ARCH_AARCH64 and
		cpuinfo.model ~= hal.CPU_MA35D1
end

function module.category()
	return "显示相关"
end

function module.description()
	return "外置屏检测"
end

function module.detailed()
	return "检查外置 HDMI 是否已经连接, 并输出 xinput 设备列表用于确认外置触屏线连接状态."
end

function module.suggestion()
	return "请检查 HDMI 信号线、触屏线 以及 电源"
end

function module.step()
	local enabled = invoker.readfile(HDMI_ENABLED, invoker.TRIMEND)
	local connected = enabled == "enabled"

	local _, xinput = invoker.invoke(invoker.OUTPUT + invoker.TRIMEND,
		"xinput")
	if type(xinput) ~= "string" or #xinput == 0 then
		xinput = "未获取到 xinput 输出"
	end

	return {
		action = "check_ext_display",
		checks = {
			{
				name = "hdmi",
				success = connected,
				result = connected and "外置 HDMI 已连接" or
					"外置 HDMI 未连接",
			},
			{
				name = "touchscreen",
				success = true,
				result = table.concat({
					xinput,
					"请确认触屏线是否接好",
				}, "\n"),
			},
		},
	}, not connected
end

return module