import os
import requests
from datetime import datetime, timezone

endpoint = "https://ingest.robodatech.com/v1/state"
token = os.environ["ROBODA_DEVICE_TOKEN"]

payload = {
    "device": "agv-01",
    "timestamp": datetime.now(timezone.utc).isoformat(),
    "state": {
        "x": 42,
        "y": 68,
        "battery_v": 7.4,
        "speed_mps": 0.45,
        "current_a": 1.2,
        "temperature_c": 34
    }
}

response = requests.post(
    endpoint,
    json=payload,
    headers={"x-api-key": token},
    timeout=10
)
response.raise_for_status()
print(response.json())

const endpoint = "https://ingest.robodatech.com/v1/state";

async function sendState(deviceToken, state) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "x-api-key": deviceToken
    },
    body: JSON.stringify({
      device: "agv-01",
      timestamp: new Date().toISOString(),
      state
    })
  });

  if (!response.ok) {
    throw new Error(await response.text());
  }
  return response.json();
}

#include <WiFi.h>
#include <HTTPClient.h>
#include <WiFiClientSecure.h>

const char* ssid = "YOUR_WIFI";
const char* pass = "YOUR_PASSWORD";
const char* token = "YOUR_DEVICE_TOKEN";
const char* endpoint = "https://ingest.robodatech.com/v1/state";

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) delay(500);
}

void loop() {
  WiFiClientSecure client;
  client.setInsecure(); // For classroom tests. Use CA certificate in production.
  HTTPClient http;
  http.begin(client, endpoint);
  http.addHeader("Content-Type", "application/json");
  http.addHeader("x-api-key", token);

  String body = "{\"device\":\"agv-01\",\"state\":{\"x\":42,\"y\":68,\"battery_v\":7.4,\"speed_mps\":0.45}}";
  int code = http.POST(body);
  Serial.printf("Roboda response: %d\n", code);
  http.end();
  delay(3000);
}

// Arduino Nano does not have native Wi-Fi or HTTPS.
// Send sensor readings over Serial to a PC, phone, ESP32, or Raspberry Pi gateway.

void setup() {
  Serial.begin(9600);
}

void loop() {
  int batteryRaw = analogRead(A0);
  int x = 42;
  int y = 68;

  Serial.print("{\"device\":\"nano-agv-01\",\"state\":{");
  Serial.print("\"x\":"); Serial.print(x);
  Serial.print(",\"y\":"); Serial.print(y);
  Serial.print(",\"battery_raw\":"); Serial.print(batteryRaw);
  Serial.println("}}");

  delay(1000);
}

// Gateway responsibility:
// 1. Read each JSON line from Serial.
// 2. Add x-api-key header server-side.
// 3. POST it to https://ingest.robodatech.com/v1/state.