from datetime import datetime

from core_db import AuditMixin, Base, EntityMixin, VersionMixin
from core_shared import JSONValue
from sqlalchemy import DateTime, String, Text
from sqlalchemy.dialects.sqlite import JSON
from sqlalchemy.orm import Mapped, mapped_column


class AgentToolInvocation(EntityMixin, AuditMixin, VersionMixin, Base):
    __tablename__ = "agent_tool_invocation"

    agent_run_id: Mapped[str] = mapped_column(String(36), index=True)
    agent_id: Mapped[str] = mapped_column(String(36), index=True)
    agent_version_id: Mapped[str] = mapped_column(String(36), index=True)
    tool_code: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True)
    tool_binding_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
    status: Mapped[str] = mapped_column(String(32), default="selected", index=True)
    reason: Mapped[str | None] = mapped_column(String(128), nullable=True)
    input_json: Mapped[dict[str, JSONValue]] = mapped_column(JSON, default=dict)
    output_text: Mapped[str | None] = mapped_column(Text, nullable=True)
    output_json: Mapped[dict[str, JSONValue] | None] = mapped_column(JSON, nullable=True)
    error_message: Mapped[str | None] = mapped_column(Text, nullable=True)
    started_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    finished_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)