import cv2
import mediapipe as mp

mp_hand = mp.solutions.hands
hands = mp_hand.Hands(static_image_mode=False,max_num_hands=1,min_detection_confidence=0.7)
mp_drawing= mp.solutions.drawing_utils

def count_finger(hand_landmarks):
    fingers =[]
    landmarks = hand_landmarks.landmark
    
    fingers.append(landmarks[4].x < landmarks[3].x)
    
    for tip in[8,12,16,20]:
        fingers.append(landmarks[tip].y < landmarks[tip -2].y)
    
    return fingers.count(True)

cap =cv2.VideoCapture(0)

while cap.isOpened():
    success, frame = cap.read()
    if not success:
        break
    
    frame =cv2.flip(frame,1)
    rgb_frame = cv2.cvtColor(frame,cv2.COLOR_BGR2RGB)
    
    result = hands.process(rgb_frame)
    if result.multi_hand_landmarks:
        for hand_landmarks in result.multi_hand_landmarks:
            mp_drawing.draw_landmarks(frame,hand_landmarks,mp_hand.HAND_CONNECTIONS)
            
            finger_count = count_finger(hand_landmarks)
            cv2.putText(frame,f"Fingers:{finger_count}",(10,70),cv2.FONT_HERSHEY_SIMPLEX,2,(255,0,0),2)
            
    cv2.imshow("Finger Counter",frame)
    
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break
    
cap.release()
cv2.destroyAllWindows()