"""资料导入候选模型（api-spec §8；契约字典 §10.6 candidate.status）。

导入资料经模型抽取产生档案 / 记忆候选，待用户审核后应用；人格建议复用
``personality_proposals``（005）。``evidence_ids`` 指向 ``import_items.id``
（EvidenceRef source_type = ``import_item``）。
"""

from datetime import datetime

from sqlalchemy import DateTime, Float, ForeignKey, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from app.core.ids import new_memory_candidate_id, new_profile_candidate_id
from app.core.time import utc_now
from app.db.base import Base


class ProfileCandidate(Base):
    """人物档案候选（契约字典 §10.6）。"""

    __tablename__ = "character_profile_candidates"

    id: Mapped[str] = mapped_column(String(80), primary_key=True, default=new_profile_candidate_id)
    character_id: Mapped[str] = mapped_column(String(80), ForeignKey("characters.id"), index=True)
    import_job_id: Mapped[str | None] = mapped_column(
        String(80), ForeignKey("character_import_jobs.id"), index=True
    )
    field: Mapped[str] = mapped_column(String(60), nullable=False)
    value: Mapped[str] = mapped_column(Text, nullable=False)
    confidence: Mapped[float] = mapped_column(Float, nullable=False, default=0.5)
    evidence_ids_json: Mapped[str] = mapped_column(Text, nullable=False, default="[]")
    status: Mapped[str] = mapped_column(String(40), nullable=False, default="pending", index=True)
    reason: Mapped[str | None] = mapped_column(Text)
    reviewed_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=utc_now)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=utc_now, onupdate=utc_now
    )


class MemoryCandidate(Base):
    """记忆候选（契约字典 §10.6）。"""

    __tablename__ = "memory_candidates"

    id: Mapped[str] = mapped_column(String(80), primary_key=True, default=new_memory_candidate_id)
    character_id: Mapped[str] = mapped_column(String(80), ForeignKey("characters.id"), index=True)
    import_job_id: Mapped[str | None] = mapped_column(
        String(80), ForeignKey("character_import_jobs.id"), index=True
    )
    cycle_id: Mapped[str | None] = mapped_column(
        String(80), ForeignKey("big_cycles.id"), index=True
    )
    type: Mapped[str] = mapped_column(String(60), nullable=False)
    title: Mapped[str] = mapped_column(String(200), nullable=False)
    content: Mapped[str] = mapped_column(Text, nullable=False)
    confidence: Mapped[float] = mapped_column(Float, nullable=False, default=0.5)
    importance: Mapped[float] = mapped_column(Float, nullable=False, default=0.5)
    sensitivity: Mapped[str] = mapped_column(String(40), nullable=False, default="low")
    evidence_ids_json: Mapped[str] = mapped_column(Text, nullable=False, default="[]")
    status: Mapped[str] = mapped_column(String(40), nullable=False, default="pending", index=True)
    reason: Mapped[str | None] = mapped_column(Text)
    reviewed_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=utc_now)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=utc_now, onupdate=utc_now
    )