"""
Media configuration settings for the motorcycle adventure community app
"""

import os

class MediaConfig:
    """Configuration for media file handling"""
    
    # File upload settings
    MAX_CONTENT_LENGTH = 16 * 1024 * 1024  # 16MB max file size
    UPLOAD_EXTENSIONS = {
        'images': ['jpg', 'jpeg', 'png', 'gif', 'webp'],
        'gpx': ['gpx']
    }
    
    # Image processing settings
    IMAGE_MAX_SIZE = (1920, 1080)  # Max dimensions for images
    IMAGE_QUALITY = 85  # JPEG quality (1-100)
    THUMBNAIL_SIZE = (300, 300)  # Thumbnail dimensions
    
    # Media folder settings
    MEDIA_FOLDER = 'app/static/media/posts'
    MEDIA_URL_PREFIX = '/static/media/posts'
    
    # Folder structure
    MEDIA_SUBFOLDERS = ['images', 'gpx']
    
    # Security settings
    ALLOWED_MIME_TYPES = {
        'image/jpeg': 'jpg',
        'image/png': 'png',
        'image/gif': 'gif',
        'image/webp': 'webp',
        'application/gpx+xml': 'gpx',
        'application/xml': 'gpx',
        'text/xml': 'gpx'
    }
    
    @staticmethod
    def get_media_path(app, post_media_folder, subfolder=''):
        """Get the full filesystem path to a media folder"""
        path = os.path.join(app.root_path, 'static', 'media', 'posts', post_media_folder)
        if subfolder:
            path = os.path.join(path, subfolder)
        return path
    
    @staticmethod
    def get_media_url(post_media_folder, subfolder='', filename=''):
        """Get the URL path to a media file"""
        url = f'/static/media/posts/{post_media_folder}'
        if subfolder:
            url += f'/{subfolder}'
        if filename:
            url += f'/{filename}'
        return url
    
    @staticmethod
    def is_allowed_file(filename, file_type='images'):
        """Check if file extension is allowed"""
        if '.' not in filename:
            return False
        
        ext = filename.rsplit('.', 1)[1].lower()
        return ext in MediaConfig.UPLOAD_EXTENSIONS.get(file_type, [])
    
    @staticmethod
    def is_allowed_mime_type(mime_type):
        """Check if MIME type is allowed"""
        return mime_type in MediaConfig.ALLOWED_MIME_TYPES