"""
VVT (Verzeichnis von Verarbeitungstätigkeiten) Pydantic schemas — extracted from compliance/api/schemas.py.

Phase 1 Step 3: the monolithic ``compliance.api.schemas`` module is being
split per domain under ``compliance.schemas``. This module is re-exported
from ``compliance.api.schemas`` for backwards compatibility.
"""

from datetime import datetime, date
from typing import Optional, List, Any, Dict

from pydantic import BaseModel, ConfigDict, Field

from compliance.schemas.common import (
    PaginationMeta, RegulationType, ControlType, ControlDomain,
    ControlStatus, RiskLevel, EvidenceStatus,
)


# ============================================================================
# VVT Schemas — Verzeichnis von Verarbeitungstaetigkeiten (Art. 30 DSGVO)
# ============================================================================

class VVTOrganizationUpdate(BaseModel):
    organization_name: Optional[str] = None
    industry: Optional[str] = None
    locations: Optional[List[str]] = None
    employee_count: Optional[int] = None
    dpo_name: Optional[str] = None
    dpo_contact: Optional[str] = None
    vvt_version: Optional[str] = None
    last_review_date: Optional[date] = None
    next_review_date: Optional[date] = None
    review_interval: Optional[str] = None


class VVTOrganizationResponse(BaseModel):
    id: str
    organization_name: str
    industry: Optional[str] = None
    locations: List[Any] = []
    employee_count: Optional[int] = None
    dpo_name: Optional[str] = None
    dpo_contact: Optional[str] = None
    vvt_version: str = '1.0'
    last_review_date: Optional[date] = None
    next_review_date: Optional[date] = None
    review_interval: str = 'annual'
    created_at: datetime
    updated_at: Optional[datetime] = None

    model_config = ConfigDict(from_attributes=True)


class VVTActivityCreate(BaseModel):
    vvt_id: str
    name: str
    description: Optional[str] = None
    purposes: List[str] = []
    legal_bases: List[str] = []
    data_subject_categories: List[str] = []
    personal_data_categories: List[str] = []
    recipient_categories: List[str] = []
    third_country_transfers: List[Any] = []
    retention_period: Dict[str, Any] = {}
    tom_description: Optional[str] = None
    business_function: Optional[str] = None
    systems: List[str] = []
    deployment_model: Optional[str] = None
    data_sources: List[Any] = []
    data_flows: List[Any] = []
    protection_level: str = 'MEDIUM'
    dpia_required: bool = False
    structured_toms: Dict[str, Any] = {}
    status: str = 'DRAFT'
    responsible: Optional[str] = None
    owner: Optional[str] = None
    last_reviewed_at: Optional[datetime] = None
    next_review_at: Optional[datetime] = None
    created_by: Optional[str] = None
    dsfa_id: Optional[str] = None


class VVTActivityUpdate(BaseModel):
    name: Optional[str] = None
    description: Optional[str] = None
    purposes: Optional[List[str]] = None
    legal_bases: Optional[List[str]] = None
    data_subject_categories: Optional[List[str]] = None
    personal_data_categories: Optional[List[str]] = None
    recipient_categories: Optional[List[str]] = None
    third_country_transfers: Optional[List[Any]] = None
    retention_period: Optional[Dict[str, Any]] = None
    tom_description: Optional[str] = None
    business_function: Optional[str] = None
    systems: Optional[List[str]] = None
    deployment_model: Optional[str] = None
    data_sources: Optional[List[Any]] = None
    data_flows: Optional[List[Any]] = None
    protection_level: Optional[str] = None
    dpia_required: Optional[bool] = None
    structured_toms: Optional[Dict[str, Any]] = None
    status: Optional[str] = None
    responsible: Optional[str] = None
    owner: Optional[str] = None
    last_reviewed_at: Optional[datetime] = None
    next_review_at: Optional[datetime] = None
    created_by: Optional[str] = None
    dsfa_id: Optional[str] = None


class VVTActivityResponse(BaseModel):
    id: str
    vvt_id: str
    name: str
    description: Optional[str] = None
    purposes: List[Any] = []
    legal_bases: List[Any] = []
    data_subject_categories: List[Any] = []
    personal_data_categories: List[Any] = []
    recipient_categories: List[Any] = []
    third_country_transfers: List[Any] = []
    retention_period: Dict[str, Any] = {}
    tom_description: Optional[str] = None
    business_function: Optional[str] = None
    systems: List[Any] = []
    deployment_model: Optional[str] = None
    data_sources: List[Any] = []
    data_flows: List[Any] = []
    protection_level: str = 'MEDIUM'
    dpia_required: bool = False
    structured_toms: Dict[str, Any] = {}
    status: str = 'DRAFT'
    responsible: Optional[str] = None
    owner: Optional[str] = None
    last_reviewed_at: Optional[datetime] = None
    next_review_at: Optional[datetime] = None
    created_by: Optional[str] = None
    dsfa_id: Optional[str] = None
    created_at: datetime
    updated_at: Optional[datetime] = None

    model_config = ConfigDict(from_attributes=True)


class VVTStatsResponse(BaseModel):
    total: int
    by_status: Dict[str, int]
    by_business_function: Dict[str, int]
    dpia_required_count: int
    third_country_count: int
    draft_count: int
    approved_count: int
    overdue_review_count: int = 0


class VVTAuditLogEntry(BaseModel):
    id: str
    action: str
    entity_type: str
    entity_id: Optional[str] = None
    changed_by: Optional[str] = None
    old_values: Optional[Dict[str, Any]] = None
    new_values: Optional[Dict[str, Any]] = None
    created_at: datetime

    model_config = ConfigDict(from_attributes=True)