"""人物 API schema。"""

from typing import Any

from pydantic import BaseModel, ConfigDict, Field


class CharacterResponse(BaseModel):
    model_config = ConfigDict(
        json_schema_extra={
            "examples": [
                {
                    "id": "character_ec83d55746c54e47ab6f98d683032626",
                    "name": "default",
                    "display_name": "魂镜默认人物",
                    "status": "active",
                    "language": "zh-CN",
                    "profile": {"bio": "本地 MVP 默认人物。"},
                    "model_policy": {"default_model_hint": "deepseek-v4-flash"},
                    "privacy_level": "normal",
                    "owner_scope": "local-user",
                    "is_system_template": False,
                    "source_template_id": "character_template_default",
                    "created_at": "2026-06-19T09:00:00.000000Z",
                    "updated_at": "2026-06-19T09:00:00.000000Z",
                }
            ]
        }
    )

    id: str = Field(description="人物 ID，前缀为 character_。")
    name: str = Field(description="人物内部名称。")
    display_name: str | None = Field(description="人物显示名称。")
    status: str = Field(description="人物状态，取值见契约字典 character.status。")
    language: str = Field(description="人物默认语言。")
    profile: dict[str, Any] = Field(description="人物档案 JSON。")
    model_policy: dict[str, Any] = Field(description="人物模型策略。")
    privacy_level: str = Field(description="隐私等级：normal / sensitive / local_only。")
    owner_scope: str = Field(description="归属范围；当前本地 MVP 为 local-user。")
    is_system_template: bool = Field(description="是否系统人物模板；active API 通常返回 false。")
    source_template_id: str | None = Field(
        description="来源系统模板人物 ID；非模板复制人物通常有值。"
    )
    avatar_url: str | None = Field(
        default=None, description="角色头像 URL。无头像时为 null。"
    )
    created_at: str = Field(description="创建时间，UTC ISO 8601 字符串。")
    updated_at: str = Field(description="更新时间，UTC ISO 8601 字符串。")


class CharacterSummaryResponse(BaseModel):
    """人物列表项（api-spec §6 列出人物）。"""

    id: str = Field(description="人物 ID，前缀为 character_。")
    name: str = Field(description="人物内部名称。")
    display_name: str | None = Field(description="人物显示名称。")
    status: str = Field(description="人物状态，取值见契约字典 character.status。")
    memory_count: int = Field(default=0, description="人物关联的未删除记忆数量。")
    personality_version: int = Field(default=0, description="当前人格版本号；尚未形成人格时为 0。")
    activated_at: str | None = Field(
        default=None, description="最近激活时间，UTC ISO 8601 字符串。"
    )


class CreateCharacterRequest(BaseModel):
    name: str = Field(min_length=1, description="人物内部名称，必填。")
    display_name: str | None = Field(default=None, description="可选显示昵称。")
    template_key: str | None = Field(
        default=None,
        description="系统模板 key；传此值则从模板创建（继承档案/模型策略，status=active）。",
    )
    profile: dict[str, Any] | None = Field(
        default=None,
        description="人物档案，可含 birthday/height/weight/background/speaking_style。",
    )
    model_policy: dict[str, Any] | None = Field(
        default=None,
        description="模型策略，可含 default_chat_model_hint / memory_extraction_model_hint 等。",
    )


class UpdateProfileRequest(BaseModel):
    """更新人物档案（api-spec §6 PATCH /characters/{id}/profile）。手动编辑视为用户确认。"""

    display_name: str | None = Field(default=None, description="可选显示昵称。")
    birthday: str | None = Field(default=None)
    height: str | None = Field(default=None)
    weight: str | None = Field(default=None)
    description: str | None = Field(default=None, description="一句话简介。")
    background: str | None = Field(default=None)
    speaking_style: str | None = Field(default=None, description="表达风格。")
    temperament: str | None = Field(default=None, description="性情气质。")
    hobbies: list[str] | None = Field(default=None, description="兴趣爱好列表。")
    values: list[str] | None = Field(default=None, description="价值观列表。")


class UpdateModelPolicyRequest(BaseModel):
    """更新人物模型策略（api-spec §6 PATCH /characters/{id}/model-policy）。"""

    default_chat_model_hint: str | None = Field(default=None)
    memory_extraction_model_hint: str | None = Field(default=None)
    personality_analysis_model_hint: str | None = Field(default=None)
    embedding_model_hint: str | None = Field(default=None)
    privacy_level: str | None = Field(default=None)


class ActivateCharacterResponse(BaseModel):
    """激活人物响应（api-spec §6 POST /characters/{id}/activate）。"""

    active_character_id: str = Field(description="当前激活人物 ID。")
    status: str = Field(description="激活后状态，恒为 active。")


class CharacterTemplateSummaryResponse(BaseModel):
    """系统模板列表项（GET /character-templates）。"""

    key: str = Field(description="模板唯一标识（template_key）。")
    name: str = Field(description="模板人物内部名称。")
    display_name: str | None = Field(description="模板人物显示昵称。")
    description: str | None = Field(description="档案中的一句话描述（profile.description）。")
    temperament: str | None = Field(description="档案中的性情气质（profile.temperament）。")
    speaking_style: str | None = Field(description="档案中的说话风格（profile.speaking_style）。")
    language: str = Field(description="默认语言。")


class ImportCardResponse(BaseModel):
    """角色卡导入结果。"""

    character_id: str = Field(description="新建人物 ID。")
    name: str = Field(description="人物名称。")
    display_name: str | None = Field(default=None, description="显示名（V3 nickname 优先）。")
    lorebook_id: str | None = Field(
        default=None, description="导入的世谱 ID（character_book）；无则为 null。"
    )
    entry_count: int = Field(default=0, description="世谱条目数。")