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{
  "media": [
    {
      "type": "video",
      "file": "videoplayback.mp4",
      "start_time": "11:00:00",
      "end_time": "13:15:55"
    },
    {
      "type": "image",
      "file": "image1.png",
      "start_time": "13:15:58",
      "end_time": "13:50:00"
    }
  ]
}



import cv2
import json
import datetime
import time
import pygame
import numpy as np
import sys

# Initialize Pygame
pygame.init()
screen = pygame.display.set_mode((0, 0), pygame.FULLSCREEN)

def load_media_schedule():
    try:
        with open('schedule.json', 'r') as f:
            return json.load(f)
    except FileNotFoundError:
        print("Error: Archivo JSON no encontrado.")
        return None

def play_video(file_path, fps, end_time):
    cap = cv2.VideoCapture(file_path)
    if not cap.isOpened():
        print(f"Error: No se pudo abrir el video {file_path}.")
        return

    delay = int(1000 / fps)
    while cap.isOpened() and datetime.datetime.now().time() < end_time:
        ret, frame = cap.read()
        if ret:
            frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
            frame = np.rot90(frame)
            frame = pygame.surfarray.make_surface(frame)
            screen.blit(frame, (0, 0))
            pygame.display.update()
            pygame.time.wait(delay)
        else:
            cap.set(cv2.CAP_PROP_POS_FRAMES, 0)

        if handle_pygame_events():
            cap.release()
            return  # Ensure to exit the function when an event demands it

def play_image(file_path, end_time):
    image = pygame.image.load(file_path)
    image_rect = image.get_rect(center=(screen.get_width()//2, screen.get_height()//2))
    while datetime.datetime.now().time() < end_time:
        screen.blit(image, image_rect)
        pygame.display.update()
        if handle_pygame_events():
            return  # Exit the function on events like quit or escape

def handle_pygame_events():
    for event in pygame.event.get():
        if event.type == pygame.QUIT or (event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE):
            pygame.quit()
            sys.exit(0)
    return False

def play_default_image(default_image_path):
    try:
        image = pygame.image.load(default_image_path)
        image_rect = image.get_rect(center=(screen.get_width()//2, screen.get_height()//2))
        while True:
            screen.blit(image, image_rect)
            pygame.display.update()
            if handle_pygame_events() or check_for_new_media():
                break

    except pygame.error:
        print(f"Error: No se pudo cargar la imagen {default_image_path}.")
        pygame.quit()
        sys.exit(0)

def check_for_new_media():
    current_time = datetime.datetime.now().time()
    for item in schedule["media"]:
        start_time = datetime.datetime.strptime(item["start_time"], '%H:%M:%S').time()
        if start_time > current_time:
            return True
    return False

schedule = load_media_schedule()
if not schedule:
    play_default_image('default.png')

current_media = None

while True:
    schedule = load_media_schedule()  # Reload the schedule on each loop
    current_time = datetime.datetime.now().time()
    found_media = False
    for item in schedule["media"]:
        start_time = datetime.datetime.strptime(item["start_time"], '%H:%M:%S').time()
        end_time = datetime.datetime.strptime(item["end_time"], '%H:%M:%S').time()
        if start_time <= current_time <= end_time:
            if current_media != item:
                current_media = item
                if item["type"] == "video":
                    play_video(item["file"], item.get("fps", 30), end_time)
                elif item["type"] == "image":
                    play_image(item["file"], end_time)
                break
            found_media = True

    if not found_media:
        current_media = None
        play_default_image('default.png')

    time.sleep(1)  # Small sleep to reduce CPU usage