from dataclasses import dataclass
from datetime import datetime, timedelta
from enum import Enum

class RequestType(Enum):
    KNOW = "know"
    DELETE = "delete"
    OPT_OUT = "opt_out"
    CORRECT = "correct"

@dataclass
class PrivacyRequest:
    request_id: str
    request_type: RequestType
    consumer_email: str
    request_date: datetime
    verification_date: datetime | None = None
    completed_date: datetime | None = None
    status: str = "pending"

class PrivacyRequestHandler:
    def __init__(self, db_connection):
        self.db = db_connection

    def submit_request(self, email: str, request_type: RequestType) -> str:
        request_id = self._generate_request_id()

        # CCPA requires responding within 45 days
        privacy_request = PrivacyRequest(
            request_id=request_id,
            request_type=request_type,
            consumer_email=email,
            request_date=datetime.utcnow(),
            verification_date=None,
            status="pending_verification"
        )

        self._store_request(privacy_request)
        self._send_verification_email(email, request_id)

        return request_id

    def verify_and_process(self, request_id: str, verification_code: str) -> dict:
        request = self._get_request(request_id)

        if not self._verify_code(request, verification_code):
            raise ValueError("Invalid verification code")

        request.verification_date = datetime.utcnow()

        if request.request_type == RequestType.KNOW:
            return self._process_know_request(request)
        elif request.request_type == RequestType.DELETE:
            return self._process_delete_request(request)

        return {"status": "processed"}

    def _process_know_request(self, request: PrivacyRequest) -> dict:
        # Gather personal information from all data stores
        personal_data = self._gather_user_data(request.consumer_email)

        # Format according to CCPA requirements
        return {
            "request_id": request.request_id,
            "consumer": {
                "email": request.consumer_email,
                "requests": self._get_request_history(request.consumer_email)
            },
            "personal_information_collected": personal_data["categories"],
            "sources": personal_data["sources"],
            "business_purpose": personal_data["purposes"],
            "third_party_sharing": personal_data["sharing"],
            "response_date": datetime.utcnow().isoformat()
        }

class OptOutService:
    def __init__(self, cache, event_bus):
        self.cache = cache
        self.event_bus = event_bus

    def register_opt_out(self, email: str) -> dict:
        # Store opt-out preference - this should be persistent
        opt_out_record = {
            "email_hash": hashlib.sha256(email.encode()).hexdigest(),
            "opt_out_date": datetime.utcnow().isoformat(),
            "sales": True,
            "sharing": True,
            "targeted_advertising": True
        }

        # Cache for fast lookups in data pipelines
        self.cache.set(f"opt_out:{opt_out_record['email_hash']}",
                      opt_out_record,
                      ttl=86400 * 365)  # 1 year

        # Emit event for downstream systems
        self.event_bus.publish("consumer_opt_out", opt_out_record)

        return {"status": "opt_out_registered", "effective_date": datetime.utcnow().isoformat()}

    def check_opt_out(self, email: str) -> bool:
        email_hash = hashlib.sha256(email.encode()).hexdigest()
        return self.cache.exists(f"opt_out:{email_hash}")

def share_data_with_third_party(third_party_id: str, user_email: str, data: dict):
    opt_out_service = get_opt_out_service()

    if opt_out_service.check_opt_out(user_email):
        raise PermissionError(
            "Cannot share data - consumer has opted out of data selling/sharing"
        )

    # Proceed with data sharing
    third_party_api.send(third_party_id, data)

import croniter
from datetime import datetime

class RetentionManager:
    def __init__(self, db):
        self.db = db

    def schedule_deletion(self, user_id: str, data_category: str, retention_days: int):
        deletion_date = datetime.utcnow() + timedelta(days=retention_days)

        self.db.retention_schedules.insert({
            "user_id": user_id,
            "data_category": data_category,
            "collection_date": datetime.utcnow(),
            "deletion_date": deletion_date,
            "status": "pending"
        })

    def run_deletion_job(self):
        # Find records past their retention period
        expired = self.db.retention_schedules.find({
            "deletion_date": {"$lte": datetime.utcnow()},
            "status": "pending"
        })

        for record in expired:
            self._delete_user_data(record["user_id"], record["data_category"])
            self.db.retention_schedules.update(
                {"_id": record["_id"]},
                {"$set": {"status": "completed", "deleted_date": datetime.utcnow()}}
            )