from __future__ import unicode_literals

from .responses import S3ResponseInstance

url_bases = [
    "https?://s3(.*).amazonaws.com",
    r"https?://(?P<bucket_name>[a-zA-Z0-9\-_.]*)\.?s3(.*).amazonaws.com",
]

url_paths = {
    # subdomain bucket
    "{0}/$": S3ResponseInstance.bucket_response,
    # subdomain key of path-based bucket
    "{0}/(?P<key_or_bucket_name>[^/]+)/?$": S3ResponseInstance.ambiguous_response,
    # path-based bucket + key
    "{0}/(?P<bucket_name_path>[^/]+)/(?P<key_name>.+)": S3ResponseInstance.key_or_control_response,
    # subdomain bucket + key with empty first part of path
    "{0}//(?P<key_name>.*)$": S3ResponseInstance.key_or_control_response,
}