/**
 * ZNET LoRa Remote Sensor Node Configuration
 *
 * Edit these values for your specific node deployment.
 */

#ifndef CONFIG_H
#define CONFIG_H

// ============================================================================
// NODE IDENTIFICATION
// ============================================================================

// Unique node ID (see docs/LORA_PROTOCOL.md for ID ranges)
// - 0x0100-0x01FF: Ambient sensors (DHT22)
// - 0x0200-0x02FF: Environmental (BME680)
// - 0xFFFF: Request auto-assignment from gateway
#ifndef NODE_ID
#define NODE_ID 0xFFFF  // Auto-assign
#endif

// Human-readable node name (max 8 chars)
#ifndef NODE_NAME
#define NODE_NAME "Remote1"
#endif

// Firmware version
#define FW_VERSION_MAJOR 1
#define FW_VERSION_MINOR 0

// ============================================================================
// SENSOR CONFIGURATION
// ============================================================================

// Sensor type is set by platformio.ini build flags:
// -DSENSOR_TYPE_DHT22  or  -DSENSOR_TYPE_BME680

// DHT22 data pin (if not set by build flags)
#ifndef DHT_PIN
#define DHT_PIN 7
#endif

// BME680 I2C address (0x76 or 0x77)
#ifndef BME680_I2C_ADDR
#define BME680_I2C_ADDR 0x76
#endif

// DS18B20 1-Wire pin (if using DS18B20 variant)
#ifndef ONEWIRE_PIN
#define ONEWIRE_PIN 7
#endif

// ============================================================================
// TIMING CONFIGURATION
// ============================================================================

// Report interval in seconds (default: 60 sec)
// Can be overridden by gateway via CONFIG_RESP packet
#ifndef REPORT_INTERVAL_SEC
#define REPORT_INTERVAL_SEC 60
#endif

// How long to wait for ACK (milliseconds)
#define ACK_TIMEOUT_MS 3000

// Maximum retries if no ACK received
#define MAX_RETRIES 3

// How long to listen for incoming packets after TX (milliseconds)
#define RX_WINDOW_MS 500

// ============================================================================
// LORA CONFIGURATION
// ============================================================================

// Frequency (US: 915 MHz, EU: 868 MHz, AS: 923 MHz)
#ifndef LORA_FREQUENCY
#define LORA_FREQUENCY 915.0
#endif

// Spreading factor (7-12, higher = longer range, slower)
#define LORA_SPREADING_FACTOR 9

// Bandwidth (kHz)
#define LORA_BANDWIDTH 125E3

// Coding rate (5-8)
#define LORA_CODING_RATE 7

// Sync word (must match gateway: 0x12)
#define LORA_SYNC_WORD 0x12

// TX power (dBm, max 20 for US)
#define LORA_TX_POWER 14

// ============================================================================
// BATTERY MONITORING
// ============================================================================

// Battery voltage thresholds (millivolts)
#define BATTERY_FULL_MV     4200  // Fully charged LiPo
#define BATTERY_NOMINAL_MV  3700  // Nominal LiPo
#define BATTERY_LOW_MV      3400  // Low battery warning threshold
#define BATTERY_CRITICAL_MV 3200  // Critical - send alert

// ADC calibration
// Voltage divider ratio (if using voltage divider for ADC)
// Set to 1.0 if reading directly (not recommended for LiPo)
#define BATTERY_DIVIDER_RATIO 2.0

// ============================================================================
// ALERT THRESHOLDS (can be overridden by gateway)
// ============================================================================

// Temperature thresholds (Celsius)
#define ALERT_TEMP_HIGH_C     35.0   // Too hot
#define ALERT_TEMP_LOW_C      10.0   // Too cold

// Humidity thresholds (percent)
#define ALERT_HUMIDITY_HIGH   85.0   // Too humid
#define ALERT_HUMIDITY_LOW    20.0   // Too dry

// IAQ threshold (BME680 only)
#define ALERT_IAQ_THRESHOLD   150    // Unhealthy air

// Duration before alert is sent (seconds)
#define ALERT_PERSIST_SEC     30

// ============================================================================
// DEEP SLEEP CONFIGURATION
// ============================================================================

// Use deep sleep between readings (recommended for battery)
#define ENABLE_DEEP_SLEEP 1

// Wake up sources
#define WAKE_ON_TIMER 1     // Wake on interval timer
#define WAKE_ON_GPIO  0     // Wake on external GPIO (for alerts)
#define WAKE_GPIO_PIN 0     // GPIO pin for external wake

// ============================================================================
// DEBUG CONFIGURATION
// ============================================================================

// Enable serial debug output (disable in production to save power)
#define ENABLE_SERIAL_DEBUG 1

// Enable OLED display (disable to save power if not needed)
#define ENABLE_OLED 1

// Blink LED on TX (for debugging)
#define ENABLE_TX_LED 1

#endif // CONFIG_H