#include <Adafruit_NeoPixel.h>
#include <math.h>
#include <WiFi.h>
#include "screen.h"
#define PIN_WS2812B 32  // The ESP32 pin GPIO16 connected to WS2812B
#define NUM_PIXELS 256   // The number of LEDs (pixels) on WS2812B LED strip
 

Adafruit_NeoPixel ws2812b(NUM_PIXELS, PIN_WS2812B, NEO_GRB + NEO_KHZ800);

void setup() {
    pinMode (PIN_WS2812B, OUTPUT);
    Serial.begin(9600);
    ws2812b.begin();  // initialize WS2812B strip object (REQUIRED)
    
    WiFi.begin("Wokwi-GUEST", "", 6);
    while (WiFi.status() != WL_CONNECTED) {
      delay(250); 
    }

    Serial.println("");
    Serial.println("WiFi connected");
    Serial.print("IP address: ");
    Serial.println(WiFi.localIP());
}

void printLocalTime() {
 GetCurrentTime ttime;
 ttime = now_time();
   Serial.println(String(ttime.time_hour) + ":" + String(ttime.time_mintues) + ":" + String(ttime.time_seconds));
 
  // struct tm timeinfo;
  // if (!getLocalTime(&timeinfo)) { 
  //   Serial.println("Connection Err");
  //   return;
  // }
 
  // Serial.println(String(timeinfo.tm_hour) + ":" + String(timeinfo.tm_min) + ":" + String(timeinfo.tm_sec));
 
  // Serial.println(String(timeinfo.tm_mday) + "/" + String(timeinfo.tm_mon + 1) + "/" + String(timeinfo.tm_year + 1900));
}

void circle(){ 
    ws2812b.clear();  // set all pixel colors to 'off'. It only takes effect if pixels.show() is called

    // turn pixels to green one-by-one with delay between each pixel
    for (int pixel = 0; pixel < NUM_PIXELS; pixel++) {         // for each pixel
        ws2812b.setPixelColor(pixel, ws2812b.Color(255, 0, 0));  // it only takes effect if pixels.show() is called
    }
    ws2812b.show();                                          // update to the WS2812B Led Strip
    delay(100);  // 500ms pause between each pixel
}

void flash(int times){
    for(int i=0;i<times;++i){
        ws2812b.clear();  // set all pixel colors to 'off'. It only takes effect if pixels.show() is called
        
        // turn pixels to green one-by-one with delay between each pixel
        for (int pixel =i%2 ; pixel < NUM_PIXELS; pixel+=2) {         // for each pixel
          // bool isdark = pixel%2==0 ;
          // if(isdark)
          //   ws2812b.setPixelColor(pixel, ws2812b.Color(0, 0, 0));  // it only takes effect if pixels.show() is called
          // else
            ws2812b.setPixelColor(pixel, ws2812b.Color(255, 255, 0)); 

        }
        ws2812b.show();                                          // update to the WS2812B Led Strip
        delay(200);  // 500ms pause between each pixel
    }
}

void loop() { 
    circle();
    printLocalTime();
    // GetCurrentTime t_time;
    // t_time = now_time();
    // Serial.println(String(t_time.time_hour)+":"+ String(t_time.time_mintues)+":"+ String(t_time.time_seconds));

    // circle();
    delay(1000);
    // flash(30);
}