"""Models for internal task tracking and validation."""

from __future__ import annotations

from dataclasses import dataclass, field
from typing import Any


TASK_OPEN_STATUSES = {"open", "running", "validating", "awaiting_feedback", "needs_revision"}


@dataclass(slots=True)
class ValidationResult:
    passed: bool
    score: float
    issues: list[str] = field(default_factory=list)
    missing_requirements: list[str] = field(default_factory=list)
    recommended_revision_prompt: str = ""
    validator: str = "heuristic"

    @property
    def accepted(self) -> bool:
        return self.passed and self.score >= 0.75

    def to_dict(self) -> dict[str, Any]:
        return {
            "passed": self.passed,
            "score": self.score,
            "issues": list(self.issues),
            "missing_requirements": list(self.missing_requirements),
            "recommended_revision_prompt": self.recommended_revision_prompt,
            "validator": self.validator,
            "accepted": self.accepted,
        }

    @classmethod
    def from_dict(cls, payload: dict[str, Any] | None) -> "ValidationResult | None":
        if not isinstance(payload, dict):
            return None
        return cls(
            passed=bool(payload.get("passed")),
            score=float(payload.get("score", 0.0) or 0.0),
            issues=[str(item) for item in payload.get("issues") or []],
            missing_requirements=[str(item) for item in payload.get("missing_requirements") or []],
            recommended_revision_prompt=str(payload.get("recommended_revision_prompt") or ""),
            validator=str(payload.get("validator") or "unknown"),
        )


@dataclass(slots=True)
class TaskRecord:
    task_id: str
    session_id: str
    description: str
    goal: str
    constraints: list[str]
    priority: int
    status: str
    creator: str
    created_at: str
    updated_at: str
    parent_task_id: str | None = None
    closed_at: str | None = None
    close_reason: str | None = None
    satisfaction: float | None = None
    run_ids: list[str] = field(default_factory=list)
    skill_names: list[str] = field(default_factory=list)
    feedback: list[dict[str, Any]] = field(default_factory=list)
    validation_result: dict[str, Any] | None = None
    metadata: dict[str, Any] = field(default_factory=dict)

    @property
    def is_open(self) -> bool:
        return self.status in TASK_OPEN_STATUSES

    def to_dict(self) -> dict[str, Any]:
        return {
            "task_id": self.task_id,
            "session_id": self.session_id,
            "parent_task_id": self.parent_task_id,
            "description": self.description,
            "goal": self.goal,
            "constraints": list(self.constraints),
            "priority": self.priority,
            "status": self.status,
            "creator": self.creator,
            "created_at": self.created_at,
            "updated_at": self.updated_at,
            "closed_at": self.closed_at,
            "close_reason": self.close_reason,
            "satisfaction": self.satisfaction,
            "run_ids": list(self.run_ids),
            "skill_names": list(self.skill_names),
            "feedback": list(self.feedback),
            "validation_result": self.validation_result,
            "metadata": dict(self.metadata),
        }

    @classmethod
    def from_dict(cls, payload: dict[str, Any]) -> "TaskRecord":
        return cls(
            task_id=str(payload["task_id"]),
            session_id=str(payload["session_id"]),
            parent_task_id=_optional_str(payload.get("parent_task_id")),
            description=str(payload.get("description") or ""),
            goal=str(payload.get("goal") or payload.get("description") or ""),
            constraints=[str(item) for item in payload.get("constraints") or []],
            priority=int(payload.get("priority", 0) or 0),
            status=str(payload.get("status") or "open"),
            creator=str(payload.get("creator") or "main-agent"),
            created_at=str(payload.get("created_at") or ""),
            updated_at=str(payload.get("updated_at") or ""),
            closed_at=_optional_str(payload.get("closed_at")),
            close_reason=_optional_str(payload.get("close_reason")),
            satisfaction=_optional_float(payload.get("satisfaction")),
            run_ids=[str(item) for item in payload.get("run_ids") or []],
            skill_names=[str(item) for item in payload.get("skill_names") or []],
            feedback=[dict(item) for item in payload.get("feedback") or [] if isinstance(item, dict)],
            validation_result=dict(payload["validation_result"]) if isinstance(payload.get("validation_result"), dict) else None,
            metadata=dict(payload.get("metadata") or {}),
        )


@dataclass(slots=True)
class TaskEvent:
    event_id: str
    task_id: str
    session_id: str
    event_type: str
    created_at: str
    run_id: str | None = None
    payload: dict[str, Any] = field(default_factory=dict)

    def to_dict(self) -> dict[str, Any]:
        return {
            "event_id": self.event_id,
            "task_id": self.task_id,
            "session_id": self.session_id,
            "run_id": self.run_id,
            "event_type": self.event_type,
            "created_at": self.created_at,
            "payload": dict(self.payload),
        }

    @classmethod
    def from_dict(cls, payload: dict[str, Any]) -> "TaskEvent":
        return cls(
            event_id=str(payload["event_id"]),
            task_id=str(payload["task_id"]),
            session_id=str(payload["session_id"]),
            run_id=_optional_str(payload.get("run_id")),
            event_type=str(payload.get("event_type") or ""),
            created_at=str(payload.get("created_at") or ""),
            payload=dict(payload.get("payload") or {}),
        )


@dataclass(slots=True)
class MainAgentDecision:
    mode: str
    reason: str
    starts_new_task: bool = False
    closes_task: bool = False
    abandons_task: bool = False
    short_title: str | None = None

    @property
    def is_task(self) -> bool:
        return self.mode == "task"


def _optional_str(value: Any) -> str | None:
    if value in (None, ""):
        return None
    return str(value)


def _optional_float(value: Any) -> float | None:
    if value in (None, ""):
        return None
    return float(value)