infobeamer-testcard/node.lua

node.alias "testcard"
util.init_hosted()

local json = require "json"

local serial = sys.get_env "SERIAL"
local location = ""
local description = "<please wait>"

util.data_mapper{
    ["device_info"] = function(info)
        info = json.decode(info)
        location = info.location
        description = info.description
    end
}

gl.setup(NATIVE_WIDTH, NATIVE_HEIGHT)

card = resource.load_image("testcard.png")
font = resource.load_font("vera.ttf")

local v = {}

util.data_mapper{
    ["update/(.*)"] = function(key, val)
        v[key] = val
    end
}

function node.render()
    gl.clear(0,0,0,1)

    card:draw(0, 0, 1920, 1080)

    -- upper: 623
    -- lower: 707

    upper_text = "CCC: " .. description

    if location == nil or location == '' then
        lower_text = "Serial " .. serial
    else
        lower_text = location .. " - Serial " .. serial
    end

    upper_width = font:width(upper_text, 40)
    font:write(960-(upper_width/2), 631, upper_text, 40, 1,1,1,1)

    lower_width = font:width(lower_text, 20)
    font:write(960-(lower_width/2), 679, lower_text, 20, 1,1,1,1)

    -- TODO
    local size, k_x, v_x, y

    size = math.floor(HEIGHT/20)
    y = 30+size*6
    k_x, v_x = 30, 30+font:width("XXXXXXXXXXXXXXXX", size)

    local function key(str)
        font:write(k_x, y, str, size, 1,1,1,.5)
    end
    local function val(str, col)
        col = col or {1,1,1,.5}
        font:write(v_x, y, str, size, unpack(col))
        y = y + size*1.1
    end

    if v.network then
        key "Network config"
        val(v.network)
    end

    if v.ethip then
        key "Ethernet IPv4"
        val(v.ethip)
    end

    if v.wlanip then
        key "WiFi IPv4"
        val(v.wlanip)
    end

    if v.gw then
        key "Gateway"
        val(v.gw)
    end

    if v.online then
        key "Online status"
        local col = {1,0,0,1}
        if v.online == "online" then
            col = {0,1,0,1}
        end
        val(v.online, col)
    end
end