ArduinoLibraries/AccessPointWifiServer.cpp at main · Robert1991/ArduinoLibraries · GitHub

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#include <AccessPointWebServer.h>

ESP8266WebServer webServer(80);

boolean lastWifiConnectionCheckSuccessful = true;
boolean lastMQTTConnectionCheckSuccessful = true;
boolean lastUpdateServerConnectionCheckSuccessful = true;
boolean lastInputWasIncomplete = false;
boolean connectionWasTested = false;

ESP8266WebServer *configureWebServer() {
  webServer.onNotFound([]() { webServer.send(404, "text/html", SIDE_NOT_FOUND); });
  webServer.on("/", handleRoot);
  webServer.on("/config_submit", handleConfigSubmit);
  webServer.on("/reset", handleReset);
  webServer.begin();
  return &webServer;
}

void handleWebServerClient() { webServer.handleClient(); }

void handleReset() {
  Serial.println("reset called");
  DeviceRootConfig *deviceConfig = new DeviceRootConfig();
  deviceConfig->deleteConfig();
  resetSettingsCheck();
  sendToClient(buildSettingsPage());
}

void handleRoot() {
  Serial.println("root page called");
  sendToClient(buildSettingsPage());
}

void handleConfigSubmit() {
  resetSettingsCheck();
  Serial.println("Settings submitted");
  for (uint8_t i = 0; i < webServer.args(); i++) {
    Serial.println(webServer.argName(i));
    Serial.println(webServer.arg(i));
  }

  if (submittedSettingsAreComplete()) {
    sendToClient(DEVICE_INITIALIZATION_PAGE);
    delay(500);

    if (submittedSettingsAreValid()) {
      storeSubmittedSettings();
      connectionWasTested = true;
    }
  } else {
    connectionWasTested = true;
    lastInputWasIncomplete = true;
    sendToClient(buildSettingsPage());
  }
}

void resetSettingsCheck() {
  lastWifiConnectionCheckSuccessful = true;
  lastMQTTConnectionCheckSuccessful = true;
  lastUpdateServerConnectionCheckSuccessful = true;
  lastInputWasIncomplete = false;
  connectionWasTested = false;
}

boolean submittedSettingsAreComplete() {
  if (webServer.arg("update_server").length() > 0) {
    if (webServer.arg("update_server_port").length() == 0) {
      return false;
    }
  }
  return webServer.arg("wifissid").length() > 0 && webServer.arg("wifipasswd").length() > 0 &&
         webServer.arg("mqttbroker").length() > 0 && webServer.arg("mqttbroker_port").length() > 0 &&
         webServer.arg("device_name").length() > 0 &&
         webServer.arg("homeassistant_autoconfig_prefix").length() > 0;
}

boolean submittedSettingsAreValid() {
  int maxTries = 20;
  lastWifiConnectionCheckSuccessful =
      testWifiConnection(webServer.arg("wifissid"), webServer.arg("wifipasswd"), maxTries);
  if (lastWifiConnectionCheckSuccessful) {
    lastMQTTConnectionCheckSuccessful = testMqttClient();
    if (lastMQTTConnectionCheckSuccessful && webServer.arg("update_server").length() > 0) {
      lastUpdateServerConnectionCheckSuccessful = pingServer(webServer.arg("update_server"));
      Serial.print("update server check was successful: ");
      Serial.println(lastUpdateServerConnectionCheckSuccessful);
      return lastUpdateServerConnectionCheckSuccessful;
    } else {
      return lastMQTTConnectionCheckSuccessful;
    }
  }
  return false;
}

boolean testMqttClient() {
  MessageQueueClient *mqttClient = nullptr;

  if (webServer.arg("mqttbroker_username").length() > 0 &&
      webServer.arg("mqttbroker_password").length() > 0) {
    mqttClient = new MessageQueueClient("TestClient", webServer.arg("mqttbroker_username"),
                                        webServer.arg("mqttbroker_password"));
  } else if (webServer.arg("mqttbroker_username").length() > 0) {
    mqttClient = new MessageQueueClient("TestClient", webServer.arg("mqttbroker_username"));
  } else {
    mqttClient = new MessageQueueClient("TestClient");
  }

  WiFiClient wifiClient;
  mqttClient->setVerbose(true);
  String brokerUrl = webServer.arg("mqttbroker");
  int brokerPort = webServer.arg("mqttbroker_port").toInt();
  if (mqttClient->setupClient(wifiClient, nullptr, brokerUrl, brokerPort)) {
    return true;
  }
  return false;
}

void storeSubmittedSettings() {
  DeviceRootConfig *deviceConfig = new DeviceRootConfig();
  deviceConfig->wifiSSID = webServer.arg("wifissid");
  deviceConfig->wifiPasswd = webServer.arg("wifipasswd");
  deviceConfig->mqttBroker = webServer.arg("mqttbroker");
  deviceConfig->mqttBrokerPort = webServer.arg("mqttbroker_port").toInt();

  if (webServer.arg("mqttbroker_username").length()) {
    deviceConfig->mqttUser = webServer.arg("mqttbroker_username");
  }
  if (webServer.arg("mqttbroker_password").length()) {
    deviceConfig->mqttPasswd = webServer.arg("mqttbroker_password");
  }
  deviceConfig->deviceName = webServer.arg("device_name");
  deviceConfig->homeassistantAutoConfigurePrefix = webServer.arg("homeassistant_autoconfig_prefix");
  deviceConfig->updateServer = webServer.arg("update_server");
  deviceConfig->updateServerPort = webServer.arg("update_server_port").toInt();
  deviceConfig->writeCurrent();
}

void sendToClient(String response) { webServer.send(200, "text/html", response); }

String buildSettingsPage() {
  String settingsPageHead = "<html lang=\"en\">" + SETTINGS_PAGE_HEAD;
  String settingsPageBody = SETTINGS_PAGE_BODY_HEADER;
  if (!lastInputWasIncomplete && connectionWasTested && lastWifiConnectionCheckSuccessful &&
      lastMQTTConnectionCheckSuccessful) {
    settingsPageBody += SETTINGS_SUCCESSFULLY_SETUP_MESSAGE;
  } else {
    if (!lastWifiConnectionCheckSuccessful) {
      settingsPageBody += WIFI_CONNECTION_FAILED_MESSAGE;
    } else if (!lastMQTTConnectionCheckSuccessful) {
      settingsPageBody += MQTT_CONNECTION_FAILED_MESSAGE;
    } else if (!lastUpdateServerConnectionCheckSuccessful) {
      settingsPageBody += UPDATE_SERVER_NOT_REACHED_MESSAGE;
    } else if (lastInputWasIncomplete) {
      settingsPageBody += SETTINGS_INCOMPLETE_MESSAGE;
    }
    settingsPageBody += SETTINGS_PAGE_SUBMIT_FORM + "</body>";
  }

  return settingsPageHead + settingsPageBody + "</html>";
}