from datetime import datetime
from app.core.utils import now_tw
from sqlalchemy import Boolean, Column, Integer, String, Text, DateTime, Float, ForeignKey
from sqlalchemy.orm import relationship
from app.core.database import Base


class Server(Base):
    __tablename__ = "servers"

    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
    name = Column(String(100), nullable=False)
    ip_address = Column(String(50), unique=True, nullable=False)
    description = Column(String(200))
    sort_order = Column(Integer, nullable=False, default=0)
    is_active = Column(Boolean, nullable=False, default=True)
    recorded_at = Column(DateTime, nullable=False, default=now_tw)

    status_logs = relationship("ServerStatusLog", back_populates="server")


class ServerStatusLog(Base):
    __tablename__ = "server_status_logs"

    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
    schedule_log_id = Column(Integer, ForeignKey("schedule_logs.id"), nullable=False, index=True)
    server_id = Column(Integer, ForeignKey("servers.id"), nullable=False, index=True)
    result = Column(Boolean, nullable=False)
    response_time = Column(Float)     # ms
    fail_reason = Column(Text)
    recorded_at = Column(DateTime, nullable=False, default=now_tw)

    schedule_log = relationship("ScheduleLog", back_populates="server_status_logs")
    server = relationship("Server", back_populates="status_logs")


class SystemStatusLog(Base):
    __tablename__ = "system_status_logs"

    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
    schedule_log_id = Column(Integer, ForeignKey("schedule_logs.id"), nullable=False, index=True)
    environment = Column(String(10), nullable=False)    # test / prod
    service_name = Column(String(50), nullable=False)  # traefik / keycloak / mail / db
    service_desc = Column(String(100))
    result = Column(Boolean, nullable=False)
    fail_reason = Column(Text)
    recorded_at = Column(DateTime, nullable=False, default=now_tw)

    schedule_log = relationship("ScheduleLog", back_populates="system_status_logs")