#include <WiFi.h>
#include "esp_camera.h"
#include "esp_system.h"

hw_timer_t *timer = NULL;
void IRAM_ATTR resetModule(){
    ets_printf("reboot\n");
    esp_restart();
}
#include <TridentTD_LineNotify.h>
#define SSID        "........."   //WiFi name
#define PASSWORD    "........."   //PASSWORD
#define LINE_TOKEN  "........."   
// Pin definition for CAMERA_MODEL_AI_THINKER
#define PWDN_GPIO_NUM     32
#define RESET_GPIO_NUM    -1
#define XCLK_GPIO_NUM      0
#define SIOD_GPIO_NUM     26
#define SIOC_GPIO_NUM     27

#define Y9_GPIO_NUM       35
#define Y8_GPIO_NUM       34
#define Y7_GPIO_NUM       39
#define Y6_GPIO_NUM       36
#define Y5_GPIO_NUM       21
#define Y4_GPIO_NUM       19
#define Y3_GPIO_NUM       18
#define Y2_GPIO_NUM        5
#define VSYNC_GPIO_NUM    25
#define HREF_GPIO_NUM     23
#define PCLK_GPIO_NUM     22

const int Led_Flash = 4;
const int Led_run = 13;
int PIR_Sensor = 12;
boolean startTimer = false;
unsigned long time_now=0;
int time_capture=0;

void setup() {

  Serial.begin(115200);
   while (!Serial) {  ;  }
  pinMode(Led_Flash, OUTPUT);
  pinMode(Led_run, OUTPUT);
  WiFi.begin(SSID, PASSWORD);
  Serial.printf("WiFi connecting to %s\n",  SSID);
  while(WiFi.status() != WL_CONNECTED) { Serial.print("."); delay(400); }
  Serial.printf("\nWiFi connected\nIP : ");
  Serial.println(WiFi.localIP());  
  LINE.setToken(LINE_TOKEN);

    timer = timerBegin(0, 80, true); //timer 0, div 80Mhz 
    timerAttachInterrupt(timer, &resetModule, true);
    timerAlarmWrite(timer, 20000000, false); //set time in us 15s
    timerAlarmEnable(timer); //enable interrupt

  camera_config_t config;
  config.ledc_channel = LEDC_CHANNEL_0;
  config.ledc_timer = LEDC_TIMER_0;
  config.pin_d0 = Y2_GPIO_NUM;
  config.pin_d1 = Y3_GPIO_NUM;
  config.pin_d2 = Y4_GPIO_NUM;
  config.pin_d3 = Y5_GPIO_NUM;
  config.pin_d4 = Y6_GPIO_NUM;
  config.pin_d5 = Y7_GPIO_NUM;
  config.pin_d6 = Y8_GPIO_NUM;
  config.pin_d7 = Y9_GPIO_NUM;
  config.pin_xclk = XCLK_GPIO_NUM;
  config.pin_pclk = PCLK_GPIO_NUM;
  config.pin_vsync = VSYNC_GPIO_NUM;
  config.pin_href = HREF_GPIO_NUM;
  config.pin_sscb_sda = SIOD_GPIO_NUM;
  config.pin_sscb_scl = SIOC_GPIO_NUM;
  config.pin_pwdn = PWDN_GPIO_NUM;
  config.pin_reset = RESET_GPIO_NUM;
  config.xclk_freq_hz = 20000000;
  config.pixel_format = PIXFORMAT_JPEG; 
  
  if(psramFound()){
// FRAMESIZE_ +
//QQVGA/160x120//QQVGA2/128x160//QCIF/176x144//HQVGA/240x176
//QVGA/320x240//CIF/400x296//VGA/640x480//SVGA/800x600//XGA/1024x768
//SXGA/1280x1024//UXGA/1600x1200//QXGA/2048*1536
    config.frame_size = FRAMESIZE_VGA; 
    config.jpeg_quality = 10;
    config.fb_count = 2;
  } else {
    config.frame_size = FRAMESIZE_QQVGA;
    config.jpeg_quality = 12;
    config.fb_count = 1;
  }
  
  // Init Camera
  esp_err_t err = esp_camera_init(&config);
  if (err != ESP_OK) {
    Serial.printf("Camera init failed with error 0x%x", err);
    return;
  }
}
void loop() {
    timerWrite(timer, 0); //reset timer (feed watchdog)
    long tme = millis();
    if(digitalRead(PIR_Sensor) == 1 && startTimer != true){    
           Camera_capture();
           Serial.println("OK");
           startTimer = true;    
      }else if(digitalRead(PIR_Sensor) == 0){
        startTimer = false;   
        time_capture=0;  
      }

     if(millis() > time_now + 1000) {
           time_now = millis();
           digitalWrite(Led_run, HIGH);
            delay(20);  
           digitalWrite(Led_run, LOW); 
          }
         tme = millis() - tme;
      if(digitalRead(PIR_Sensor) == 1){
         if(++time_capture > 60){
            time_capture=0;
            Camera_capture();
            Serial.println("Over Time");
          }
        }
         
      Serial.println(digitalRead(PIR_Sensor));
      delay(200);
}


void Camera_capture() {
  digitalWrite(Led_Flash, HIGH);
  delay(100); 
  digitalWrite(Led_Flash, LOW);
  delay(100);
  digitalWrite(Led_Flash, HIGH);
  camera_fb_t * fb = NULL;
  delay(200); 
  // Take Picture with Camera
  fb = esp_camera_fb_get(); 
  if(!fb) {
    Serial.println("Camera capture failed");
    return;
  }
   digitalWrite(Led_Flash, LOW);
   Send_line(fb->buf,fb->len);
   esp_camera_fb_return(fb); 
  // Serial.println("Going to sleep now");
  // esp_deep_sleep_start();
  // Serial.println("This will never be printed");

}

void Send_line(uint8_t *image_data,size_t image_size){
   LINE.notifyPicture("ตรวจพบการเคลื่อนไหว",image_data, image_size);
  }