#ifndef CONFIG_H
#define CONFIG_H

// ============================================================
// ESP32 Serial Logger - Configuration
// ESP-WROOM-32D DevKitC V4
// ============================================================

// --- WiFi Configuration ---
#define WIFI_SSID       "YourSSID"
#define WIFI_PASSWORD   "YourPassword"
#define WIFI_AP_SSID    "ESP32_Logger"
#define WIFI_AP_PASSWORD "12345678"
#define WIFI_CONNECT_TIMEOUT 15000  // ms

// --- Serial2 (UART2) Pin Configuration ---
#define SERIAL2_TX_PIN  17   // GPIO17
#define SERIAL2_RX_PIN  16   // GPIO16

// --- Serial2 Default Settings ---
#define DEFAULT_BAUD_RATE   115200
#define DEFAULT_RX_BUFFER   4096

// --- HSPI SD Card Pin Configuration ---
#define SD_HSPI_CLK     14
#define SD_HSPI_MISO    26   // Remapped from GPIO12 (strapping pin)
#define SD_HSPI_MOSI    13
#define SD_HSPI_CS      15

// --- FreeRTOS Task Priorities ---
#define TASK_PRIORITY_SERIAL    5    // Highest - must not miss data
#define TASK_PRIORITY_SD_LOG    3    // Medium-high - buffered writes
#define TASK_PRIORITY_WEB       2    // Medium - user interface
#define TASK_PRIORITY_NTP       1    // Lowest - periodic sync

// --- FreeRTOS Task Stack Sizes ---
#define TASK_STACK_SERIAL   4096
#define TASK_STACK_SD_LOG   8192
#define TASK_STACK_WEB      8192
#define TASK_STACK_NTP      4096

// --- Queue Configuration ---
#define QUEUE_SD_SIZE       512
#define QUEUE_WEB_SIZE      256
#define QUEUE_TX_SIZE       64

// --- Logging Configuration ---
#define LOG_LINE_MAX_LEN    512
#define SD_WRITE_INTERVAL   1000    // Flush to SD every N ms
#define LOG_DIR             "/logs"
#define CSV_HEADER          "Timestamp,Direction,Data\r\n"

// --- NTP Configuration ---
#define NTP_SERVER          "pool.ntp.org"
#define NTP_GMT_OFFSET      32400   // KST = UTC+9 (9*3600)
#define NTP_DAYLIGHT_OFFSET 0

// --- WebSocket Configuration ---
#define WS_PORT             81
#define WS_MAX_CLIENTS      4

// --- Log Entry Structure ---
struct LogEntry {
  char timestamp[24];       // "2025-01-15 10:30:45.123"
  char direction;           // 'R' for RX, 'T' for TX
  char data[LOG_LINE_MAX_LEN];
  uint16_t dataLen;
};

#endif // CONFIG_H