import requests
import os
from datetime import datetime

import pathlib

# Locate sky-cam.conf next to this script (works regardless of cwd).
_here = pathlib.Path(__file__).resolve().parent
config_file_path = str(_here / 'sky-cam.conf')

# Function to read configuration from the config file
def read_config(config_file_path):
    config = {}
    try:
        with open(config_file_path, 'r') as f:
            for line in f:
                # Ignore comments and empty lines
                if line.strip() and not line.startswith('#'):
                    key, value = line.strip().split('=', 1)
                    config[key.strip()] = value.strip()
    except FileNotFoundError:
        print(f"Error: The configuration file {config_file_path} was not found.")
        exit(1)
    except Exception as e:
        print(f"Error reading the configuration file: {e}")
        exit(1)
    return config

# Read configuration from the file
config = read_config(config_file_path)

# Get the values from the configuration file
mattermost_url = config.get('mattermost_url')
access_token = config.get('access_token')
channel_id = config.get('channel_id')

# Check if all required values are provided
if not mattermost_url or not access_token or not channel_id:
    print("Error: Missing one or more configuration values.")
    exit(1)

# Get today's date
today = datetime.now()
today_date_str = today.strftime("%Y-%m-%d")  # e.g., "2024-11-05"
today_month_str = today.strftime("%Y-%m")     # e.g., "2024-11"

# Set the full folder path for today's video
base_video_folder = os.path.join(config.get('BASE_DIR', ''), 'movies', config.get('CAM_NAME', 'sunrise'))
output_dir = os.path.join(base_video_folder, today_month_str, "sunrise-only")

# Check if the directory exists
if not os.path.isdir(output_dir):
    print(f"Error: The directory {output_dir} does not exist. The video may not have been created yet.")
    exit(1)

# Find the sunrise video file for today (e.g., 2024-11-05-sunrise-10s.mp4)
final_video_file = os.path.join(output_dir, f"{today_date_str}-sunrise-10s.mp4")

# Debugging: print the full path of the video file to make sure it's correct
print(f"Looking for video file: {final_video_file}")

# Check if the video file exists
if os.path.isfile(final_video_file):
    # Upload the video file
    with open(final_video_file, 'rb') as f:
        response = requests.post(
            f"{mattermost_url}/api/v4/files",
            headers={'Authorization': f'Bearer {access_token}'},
            files={'files': f},
            data={'channel_id': channel_id}
        )
    
    if response.status_code == 201:
        print(f"Successfully uploaded {final_video_file}")

        # Get the file ID from the response
        file_id = response.json().get('file_infos', [{}])[0].get('id')

        # Send a message with the file reference
        message_data = {
            'channel_id': channel_id,
            'message': f"Here is a video of the sunrise for {today_date_str}",
            'file_ids': [file_id]  # Attach the uploaded file
        }

        message_response = requests.post(
            f"{mattermost_url}/api/v4/posts",
            headers={'Authorization': f'Bearer {access_token}'},
            json=message_data
        )

        if message_response.status_code == 201:
            print("Message posted successfully.")
        else:
            print(f"Failed to post message: {message_response.text}")
    else:
        print(f"Failed to upload {final_video_file}: {response.text}")
else:
    print(f"No video file found at {final_video_file}.")