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 = {
    network = "<unkown>",
    ethip = "<unkown>",
    wlanip = "<unkown>",
    gw = "<unkown>"
}

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)

    -- draw text on left and right dark grey area
    local fontsize = 30
    local offset = fontsize+10
    local x_left = 100
    local x_right = 1430
    local y_start = 500

    -- left side: network config, online status
    local y = y_start
    font:write(x_left, y, "Mode: " .. v.network, fontsize, 1,1,1,1)

    y = y + offset
    font:write(x_left, y, "GW: " .. v.gw, fontsize, 1,1,1,1)

    y = y + offset
    if v.online then
        local col = {1,0,0,1}
        if v.online == "online" then
            col = {0,1,0,1}
        end
        font:write(x_left, y, v.online, fontsize, unpack(col))
    end

    -- right side: IP addresses
    y = y_start
    font:write(x_right, y, "Eth:  " .. v.ethip, fontsize, 1,1,1,1)

    y = y + offset
    font:write(x_right, y, "WiFi: " .. v.wlanip, fontsize, 1,1,1,1)

end