--[[ Heat detector
If a hot node is detected within 30 metres, sound the alarm!
--]]

local hotNodes = {"fire:basic_flame","default:lava_source", "default:torch" }

local ruleset = {
    {x = 1, y = 0, z = 0},  -- x-positive
    {x = -1, y = 0, z = 0}, -- x-negative
    {x = 0, y = 1, z = 0},  -- y-positive
    {x = 0, y = -1, z = 0}, -- y-negative
    {x = 0, y = 0, z = 1},  -- z-positive
    {x = 0, y = 0, z = -1}  -- z-negative
}

minetest.register_node("firesafety:heatdetector", {
    on_timer = function(pos)
        local thereAreFires = minetest.find_node_near(pos, 5, hotNodes)

        print("detected FIRE!!!!")

        if thereAreFires then
            local setchan = minetest.get_meta(pos):get_string("channel")

            digiline:receptor_send(position_of_message, ruleset, setchan, "fire")
        end
    end,

    on_construct = function(pos)
        local timer = minetest.get_node_timer(pos)
        timer:start(1)
        local meta = minetest.get_meta(pos)
        meta:set_string("formspec", "field[channel;Channel;${channel}]")
    end,

    on_receive_fields = function(pos, _, fields, sender)
        local name = sender:get_player_name()
        if minetest.is_protected(pos, name) and not minetest.check_player_privs(name, {protection_bypass=true}) then
            minetest.record_protection_violation(pos, name)
            return
        end
        if (fields.channel) then
            minetest.get_meta(pos):set_string("channel", fields.channel)
        end
    end
})