#include "FastLED.h"
#define PIN1 4
#define numled 150

#include <WiFi.h>
#include <esp_now.h>
#include <esp_idf_version.h> 
#include <esp_wifi.h>

// ======================================================================
// 1. ตั้งค่าหมายเลขของ Slave ตัวนี้ (0-5)
// ======================================================================
const int SLAVE_ID = 5; 
String vname = "101";
CRGB leds[numled]; 
int vn,vss;
// กำหนด Channel ที่ต้องการล็อกให้ตรงกับ Master
const int WIFI_CHANNEL = 10; 
 
// ======================================================================
// โครงสร้างข้อมูลที่ใช้รับ (✅ แก้ไขขนาดอาเรย์จาก [7] เป็น [8] ให้ตรงกับ Master 100%)
// ======================================================================
typedef struct struct_message {
  uint8_t h_tens[8];   // ชั่วโมง หลักสิบ
  uint8_t h_units[8];  // ชั่วโมง หลักหน่วย
  uint8_t m_tens[8];   // นาที หลักสิบ
  uint8_t m_units[8];  // นาที หลักหน่วย
  uint8_t s_tens[8];   // วินาที หลักสิบ
  uint8_t s_units[8];  // วินาที หลักหน่วย
  char namex[32];      
  uint8_t din; 
    uint8_t vs; 
} struct_message;

struct_message timeData;

// ======================================================================
// ฟังก์ชันขับขา Relay หรือแสดงผลด้วยข้อมูล Array ที่ได้มาจาก Master
// ======================================================================
void displaySegments(uint8_t segments[8]) {
   // ทำการแสดงผลบน WS2812B หรือ Relay ของคุณตรงนี้
}

// ======================================================================
// Callback เมื่อได้รับข้อมูลจาก Master
// ======================================================================
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
void OnDataRecv(const esp_now_recv_info_t *esp_now_info, const uint8_t *incomingData, int len) {
#else
void OnDataRecv(const uint8_t *mac_addr, const uint8_t *incomingData, int len) {
#endif
  
  // คัดลอกข้อมูลที่ได้รับเข้า struct
  memcpy(&timeData, incomingData, sizeof(timeData));

  Serial.print("Received din (vuLevel): ");
  Serial.println(timeData.din);

  Serial.print("Received Namex: ");
  Serial.println(timeData.namex);
  
Serial.print("Received vs: ");
  Serial.println(timeData.vs);
  vn=timeData.din;
   vss=timeData.vs;
if (vss==0) pro_1();
if (vss==1) pro_2();
if (vss==2) pro_3();
if (vss==3) pro_4();
if (vss==4) pro_5();
if (vss==5) pro_6();
if (vss==6) pro_7();
if (vss==7) pro_8();
if (vss>7) pro_8();
}



void pro_1()
{

 for (int i =75; i <75+vn*15; i++)
 leds[i] = CRGB(222, 0, 0);

 for (int i = 75; i >75-vn*15; i--)
 leds[i] = CRGB(0, 222, 0);   

   FastLED.show();
   delay(70);
 for (int i = 0; i < numled; i++)
 leds[i] = CRGB(0, 0, 0);
     
   FastLED.show();

}


void pro_2()
{

 for (int i =75; i <75+vn*15; i++)
 leds[i] = CRGB(0,222, 0);

 for (int i = 75; i >75-vn*15; i--)
 leds[i] = CRGB(222, 0, 0);   

   FastLED.show();
   delay(70);
 for (int i = 0; i < numled; i++)
 leds[i] = CRGB(0, 0, 0);
     
   FastLED.show();

}

void pro_3()
{

 for (int i =75; i <75+vn*15; i++)
 leds[i] = CRGB(0, 222, 0);

 for (int i = 75; i >75-vn*15; i--)
 leds[i] = CRGB(0, 222, 0);   

   FastLED.show();
   delay(70);
 for (int i = 0; i < numled; i++)
 leds[i] = CRGB(0, 0, 0);
     
   FastLED.show();

}

void pro_4()
{

 for (int i =75; i <75+vn*15; i++)
 leds[i] = CRGB(222, 0, 0);

 for (int i = 75; i >75-vn*15; i--)
 leds[i] = CRGB(222, 0, 0);   

   FastLED.show();
   delay(70);
 for (int i = 0; i < numled; i++)
 leds[i] = CRGB(0, 0, 0);
     
   FastLED.show();

}

void pro_5()
{

 for (int i =75; i <75+vn*15; i++)
 leds[i] = CRGB(0, 0, 222);

 for (int i = 75; i >75-vn*15; i--)
 leds[i] = CRGB(0, 0, 222);   

   FastLED.show();
   delay(70);
 for (int i = 0; i < numled; i++)
 leds[i] = CRGB(0, 0, 0);
     
   FastLED.show();

}


void pro_6()
{

 for (int i =75; i <75+vn*15; i++)
 leds[i] = CRGB(0, 222, 0);

 for (int i = 75; i >75-vn*15; i--)
 leds[i] = CRGB(0, 0, 222);   

   FastLED.show();
   delay(70);
 for (int i = 0; i < numled; i++)
 leds[i] = CRGB(0, 0, 0);
     
   FastLED.show();

}


void pro_7()
{

 for (int i =75; i <75+vn*15; i++)
 leds[i] = CRGB(0, 0, 222);

 for (int i = 75; i >75-vn*15; i--)
 leds[i] = CRGB(0, 222, 0);   

   FastLED.show();
   delay(70);
 for (int i = 0; i < numled; i++)
 leds[i] = CRGB(0, 0, 0);
     
   FastLED.show();

}

void pro_8()
{

 for (int i =75; i <75+vn*15; i++)
 leds[i] = CRGB(222, 0, 0);

 for (int i = 75; i >75-vn*15; i--)
 leds[i] = CRGB(0, 0, 222);   

   FastLED.show();
   delay(70);
 for (int i = 0; i < numled; i++)
 leds[i] = CRGB(0, 0, 0);
     
   FastLED.show();

}
void pro_9()
{
 

 for (int i = 0; i < numled; i++)
 leds[i] = CRGB(22, 22, 22);
     
   FastLED.show();
   delay(70);
}

void setup() {
  Serial.begin(115200);

  FastLED.addLeds<WS2812B, PIN1, RGB>(leds, numled);  
  
  // ตั้งค่า Wi-Fi และล็อก Channel 10 ให้ตรงกับ Master
  WiFi.mode(WIFI_STA);
  esp_wifi_set_channel(WIFI_CHANNEL, WIFI_SECOND_CHAN_NONE);

  if (esp_now_init() != ESP_OK) {
    Serial.println("Error initializing ESP-NOW");
    return;
  }
  
  esp_now_register_recv_cb((esp_now_recv_cb_t)OnDataRecv);
  Serial.print("Slave Node Started on Channel ");
  Serial.println(WIFI_CHANNEL);
}

void loop() {
  delay(10); 
}