from sqlalchemy import JSON, Column, DateTime, Integer, String, Text
from sqlalchemy.sql import func

from app.db.session import Base


class SystemLog(Base):
    __tablename__ = "system_logs"

    id = Column(Integer, primary_key=True, autoincrement=True)
    occurred_at = Column(DateTime(timezone=True), server_default=func.now(), index=True)
    source = Column(String(50), nullable=False, index=True)
    service = Column(String(50), nullable=True)
    module = Column(String(120), nullable=True)
    event = Column(String(160), nullable=True, index=True)
    level = Column(String(20), nullable=False, index=True)
    message = Column(Text, nullable=False)
    request_id = Column(String(64), nullable=True, index=True)
    trace_id = Column(String(64), nullable=True)
    user_id = Column(Integer, nullable=True, index=True)
    category = Column(String(80), nullable=True, index=True)
    context = Column(JSON, nullable=False, default=dict)
    created_at = Column(DateTime(timezone=True), server_default=func.now())


class AuditLog(Base):
    __tablename__ = "audit_logs"

    id = Column(Integer, primary_key=True, autoincrement=True)
    occurred_at = Column(DateTime(timezone=True), server_default=func.now(), index=True)
    actor_id = Column(Integer, nullable=True, index=True)
    actor_name = Column(String(255), nullable=True)
    action = Column(String(120), nullable=False, index=True)
    target_type = Column(String(80), nullable=True)
    target_id = Column(String(120), nullable=True)
    result = Column(String(40), nullable=True, index=True)
    request_id = Column(String(64), nullable=True, index=True)
    ip = Column(String(64), nullable=True)
    details = Column(JSON, nullable=False, default=dict)
    created_at = Column(DateTime(timezone=True), server_default=func.now())


class ObservabilityEvent(Base):
    __tablename__ = "observability_events"

    id = Column(Integer, primary_key=True, autoincrement=True)
    occurred_at = Column(DateTime(timezone=True), server_default=func.now(), index=True)
    source = Column(String(50), nullable=False, index=True)
    service = Column(String(50), nullable=True, index=True)
    module = Column(String(120), nullable=True, index=True)
    category = Column(String(80), nullable=True, index=True)
    event = Column(String(160), nullable=True, index=True)
    level = Column(String(20), nullable=False, index=True)
    message = Column(Text, nullable=False)
    fingerprint = Column(String(80), nullable=False, index=True)
    request_id = Column(String(64), nullable=True, index=True)
    trace_id = Column(String(64), nullable=True, index=True)
    task_id = Column(String(120), nullable=True, index=True)
    source_ref_id = Column(String(120), nullable=True, index=True)
    provider = Column(String(120), nullable=True, index=True)
    user_id = Column(Integer, nullable=True, index=True)
    context = Column(JSON, nullable=False, default=dict)
    occurrence_count = Column(Integer, nullable=False, default=1)
    created_at = Column(DateTime(timezone=True), server_default=func.now())


class ObservabilityEventGroup(Base):
    __tablename__ = "observability_event_groups"

    fingerprint = Column(String(80), primary_key=True)
    source = Column(String(50), nullable=False, index=True)
    service = Column(String(50), nullable=True, index=True)
    module = Column(String(120), nullable=True, index=True)
    category = Column(String(80), nullable=True, index=True)
    event = Column(String(160), nullable=True, index=True)
    last_level = Column(String(20), nullable=False, index=True)
    sample_message = Column(Text, nullable=False)
    sample_detail = Column(Text, nullable=True)
    affected_sources = Column(JSON, nullable=False, default=list)
    count = Column(Integer, nullable=False, default=0)
    first_seen_at = Column(DateTime(timezone=True), nullable=False, index=True)
    last_seen_at = Column(DateTime(timezone=True), nullable=False, index=True)
    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())