"""Report."""


class Report:
    """Report."""

    s3_path_template = 's3://{bucket}/{prefix}{account_prefix}{key}/{filename}'
    user_params_template = '{period}__all__{file_type}__en_US'
    account_prefix = 'user_id_type='
    file_type = 'AVRO'
    status = 'GENERATED'

    def __init__(self, period, bucket, s3_path):
        """Store report metadata."""
        _, _, account_key, filename = s3_path.split('/')
        prefix_len = len(self.account_prefix)
        self.user_id_type = account_key[prefix_len:]
        self.filename = filename
        self.period_ids = period.period_ids
        self.prefix = period.prefix
        self.bucket = bucket
        self.s3_path = self.s3_path_template.format(
            bucket=self.bucket,
            prefix=self.prefix,
            account_prefix=self.account_prefix,
            key=self.user_id_type,
            filename=self.filename)

        self.user_params = self.user_params_template.format(
            period=self.period_ids,
            file_type=self.file_type)

    @property
    def ddb_item(self):
        """Get the dynamodb item as a dict."""
        return {
            'file_type': self.file_type,
            'period_ids': self.period_ids,
            's3_path': self.s3_path,
            'status': self.status,
            'user_id_type': self.user_id_type,
            'user_params': self.user_params}