"""人物服务测试：默认生日兜底（创建时未设 birthday → 用 created_at 兜底）。"""

import pytest

from app.db.session import AsyncSessionLocal
from app.models.character import Character
from app.repositories import time_anniversaries as anni_repo
from app.repositories.json_utils import loads_dict
from app.schemas.character import CreateCharacterRequest
from app.services.characters import create_character, create_character_from_template


def _birthday_anniversaries(items: list) -> list:
    return [a for a in items if a.kind == "birthday"]


@pytest.mark.asyncio
async def test_create_character_without_birthday_applies_default():
    """未传 birthday → profile.birthday 与纪念日均取 created_at 的 ISO 日期。"""
    async with AsyncSessionLocal() as session:
        resp = await create_character(session, CreateCharacterRequest(name="lingxi"))
        anniversaries = await anni_repo.list_anniversaries(session, resp.id)
        character = await session.get(Character, resp.id)

    birthday_iso = character.created_at.strftime("%Y-%m-%d")
    assert resp.profile["birthday"] == birthday_iso

    birthday_annivs = _birthday_anniversaries(anniversaries)
    assert len(birthday_annivs) == 1
    a = birthday_annivs[0]
    assert a.date == birthday_iso
    assert a.calendar == "solar"
    assert a.recurs_yearly is True
    assert a.kind == "birthday"
    assert a.subject_type == "character_self"
    assert a.source == "auto"
    # display_name 为 None → 回落到 name
    assert a.name == "lingxi·生辰"


@pytest.mark.asyncio
async def test_create_character_with_birthday_keeps_user_value():
    """用户传了 birthday（即便为自由文本）→ 保持用户值，且不自动建生日纪念日。"""
    async with AsyncSessionLocal() as session:
        resp = await create_character(
            session,
            CreateCharacterRequest(name="jingwu", profile={"birthday": "霜降之夜"}),
        )
        anniversaries = await anni_repo.list_anniversaries(session, resp.id)

    assert resp.profile["birthday"] == "霜降之夜"
    assert _birthday_anniversaries(anniversaries) == []


@pytest.mark.asyncio
async def test_create_character_with_blank_birthday_applies_default():
    """birthday 为空白字符串视为未设 → 兜底。"""
    async with AsyncSessionLocal() as session:
        resp = await create_character(
            session,
            CreateCharacterRequest(name="chenyu", profile={"birthday": "   "}),
        )
        anniversaries = await anni_repo.list_anniversaries(session, resp.id)
        character = await session.get(Character, resp.id)

    birthday_iso = character.created_at.strftime("%Y-%m-%d")
    assert resp.profile["birthday"] == birthday_iso
    assert len(_birthday_anniversaries(anniversaries)) == 1


@pytest.mark.asyncio
async def test_create_character_from_template_without_birthday_uses_own_created_at():
    """模板 profile 无 birthday → 子角色用自己的 created_at 兜底。"""
    async with AsyncSessionLocal() as session:
        template = Character(
            name="tpl",
            display_name="模板",
            status="active",
            language="zh-CN",
            profile_json='{"background": "测试模板"}',  # 无 birthday
            model_policy_json="{}",
            privacy_level="normal",
            owner_scope="system",
            is_system_template=True,
            source_template_id=None,
            template_key="test_tpl",
        )
        session.add(template)
        await session.flush()

        character = await create_character_from_template(session, template, "local-user")
        profile = loads_dict(character.profile_json)
        anniversaries = await anni_repo.list_anniversaries(session, character.id)

    birthday_iso = character.created_at.strftime("%Y-%m-%d")
    assert profile["birthday"] == birthday_iso
    birthday_annivs = _birthday_anniversaries(anniversaries)
    assert len(birthday_annivs) == 1
    assert birthday_annivs[0].date == birthday_iso
    # display_name 优先于 name
    assert birthday_annivs[0].name == "模板·生辰"


@pytest.mark.asyncio
async def test_create_character_from_template_inherits_explicit_birthday():
    """模板 profile 有显式 birthday → 子角色继承该值，不兜底。"""
    async with AsyncSessionLocal() as session:
        template = Character(
            name="tpl2",
            display_name="模板二",
            status="active",
            language="zh-CN",
            profile_json='{"birthday": "2020-01-01"}',
            model_policy_json="{}",
            privacy_level="normal",
            owner_scope="system",
            is_system_template=True,
            source_template_id=None,
            template_key="test_tpl2",
        )
        session.add(template)
        await session.flush()

        character = await create_character_from_template(session, template, "local-user")
        profile = loads_dict(character.profile_json)
        anniversaries = await anni_repo.list_anniversaries(session, character.id)

    assert profile["birthday"] == "2020-01-01"  # 继承模板的显式 birthday
    birthday_annivs = _birthday_anniversaries(anniversaries)
    assert len(birthday_annivs) == 1
    assert birthday_annivs[0].date == "2020-01-01"
    assert birthday_annivs[0].name == "模板二·生辰"