# plugins/http/models.py
from __future__ import annotations
import uuid
from datetime import datetime, timezone
from sqlalchemy import Boolean, DateTime, Float, Integer, String, Text
from sqlalchemy.orm import Mapped, mapped_column
from fabledscryer.models.base import Base


class HttpMonitor(Base):
    """A configured HTTP endpoint to check periodically."""
    __tablename__ = "http_monitors"

    id: Mapped[str] = mapped_column(
        String(36), primary_key=True, default=lambda: str(uuid.uuid4())
    )
    name: Mapped[str] = mapped_column(String(128), nullable=False)
    url: Mapped[str] = mapped_column(String(2048), nullable=False)
    method: Mapped[str] = mapped_column(String(8), nullable=False, default="GET")
    expected_status: Mapped[int] = mapped_column(Integer, nullable=False, default=200)
    # Optional substring to find in the response body (empty = skip check)
    content_match: Mapped[str] = mapped_column(String(512), nullable=False, default="")
    # JSON dict of extra request headers, e.g. {"Authorization": "Bearer ..."}
    headers_json: Mapped[str] = mapped_column(Text, nullable=False, default="{}")
    timeout_seconds: Mapped[int] = mapped_column(Integer, nullable=False, default=10)
    # 0 = use global plugin check_interval_seconds
    check_interval_seconds: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
    follow_redirects: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
    verify_ssl: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
    enabled: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
    # Updated after each check so the scheduler can compute next-run time efficiently
    last_checked_at: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), nullable=True
    )
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), nullable=False,
        default=lambda: datetime.now(timezone.utc),
    )


class HttpResult(Base):
    """One check result for an HttpMonitor."""
    __tablename__ = "http_results"

    id: Mapped[str] = mapped_column(
        String(36), primary_key=True, default=lambda: str(uuid.uuid4())
    )
    monitor_id: Mapped[str] = mapped_column(String(36), nullable=False, index=True)
    checked_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), nullable=False,
        default=lambda: datetime.now(timezone.utc),
        index=True,
    )
    status_code: Mapped[int | None] = mapped_column(Integer, nullable=True)
    response_ms: Mapped[float | None] = mapped_column(Float, nullable=True)
    is_up: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
    # None when no content_match is configured; True/False when it is
    content_matched: Mapped[bool | None] = mapped_column(Boolean, nullable=True)
    error_msg: Mapped[str | None] = mapped_column(String(512), nullable=True)
    # TLS expiry if the endpoint is HTTPS; None for HTTP or on error
    tls_expires_at: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), nullable=True
    )