#include "ui/apps/iotdis/settings/settings_handler.h"

#include "esp_log.h"

#define TAG "SettingHandler"

void SettingHandler::load_settings() {
  remote_ip_ = storage_->get(NVS_KEY_IP);
  std::string port_str = storage_->get(NVS_KEY_PORT);
  std::string local_port_str = storage_->get(NVS_KEY_LOCAL_PORT);

  if (!remote_ip_.empty() && !port_str.empty()) {
    remote_port_ = static_cast<uint16_t>(atoi(port_str.c_str()));

    // Load local port, default to DEFAULT_LOCAL_PORT if not configured
    if (!local_port_str.empty()) {
      local_port_ = static_cast<uint16_t>(atoi(local_port_str.c_str()));
    } else {
      local_port_ = DEFAULT_LOCAL_PORT;
    }

    ESP_LOGI(TAG, "Loaded settings: %s:%u (local port: %u)", remote_ip_.c_str(), remote_port_, local_port_);
  } else {
    local_port_ = DEFAULT_LOCAL_PORT;
    ESP_LOGI(TAG, "No settings found, user setup required");
  }
}


void SettingHandler::save_settings(const std::string& ip, uint16_t port, uint16_t local_port) {
  if (ip.empty() || port == 0 || local_port == 0) {
    ESP_LOGW(TAG, "Cannot save: invalid settings");
    return;
  }

  // Save to NVS
  storage_->put(NVS_KEY_IP, ip);
  char port_str[8];
  snprintf(port_str, sizeof(port_str), "%u", port);
  storage_->put(NVS_KEY_PORT, port_str);
  char local_port_str[8];
  snprintf(local_port_str, sizeof(local_port_str), "%u", local_port);
  storage_->put(NVS_KEY_LOCAL_PORT, local_port_str);

  // Update local config
  remote_ip_ = ip;
  remote_port_ = port;
  local_port_ = local_port;

  ESP_LOGI(TAG, "Settings saved: %s:%u (local port: %u)", remote_ip_.c_str(), remote_port_, local_port_);
}