from datetime import datetime
from typing import Optional, List, Any
from pydantic import BaseModel


class AuditLogResponse(BaseModel):
    id: str
    event_type: str
    resource_type: str
    resource_id: Optional[str]
    user_id: Optional[str]
    action: str
    changes: Optional[List[dict]]
    request_metadata: Optional[dict]
    sensitivity_level: str
    checksum: str
    created_at: datetime
    user_name: Optional[str] = None
    user_email: Optional[str] = None

    class Config:
        from_attributes = True


class AuditLogListResponse(BaseModel):
    logs: List[AuditLogResponse]
    total: int
    offset: int
    limit: int


class AuditAlertResponse(BaseModel):
    id: str
    audit_log_id: str
    alert_type: str
    recipients: List[str]
    message: Optional[str]
    is_acknowledged: bool
    acknowledged_by: Optional[str]
    acknowledged_at: Optional[datetime]
    created_at: datetime

    class Config:
        from_attributes = True


class AuditAlertListResponse(BaseModel):
    alerts: List[AuditAlertResponse]
    total: int


class IntegrityCheckRequest(BaseModel):
    start_date: datetime
    end_date: datetime


class IntegrityCheckResponse(BaseModel):
    total_checked: int
    valid_count: int
    invalid_count: int
    invalid_records: List[str]