import uuid

from fastapi import APIRouter, Depends, status

from app.core.config import settings
from app.core.cos_url_keys import avatar_url_for_api_response
from app.core.dependencies import get_object_storage
from app.core.deps_types import CurrentUserDep
from app.core.errors import BadRequestError, NotFoundError
from app.core.logging import get_logger
from app.core.openapi import error_responses
from app.features.user.deps import get_user_service
from app.features.user.schemas import (
    FeedbackResponse,
    PurgeUserDataRequest,
    PurgeUserDataResponse,
    SubmitFeedbackRequest,
    TestSubscriptionRequest,
    TestSubscriptionResponse,
    UpdateUserProfileRequest,
    UserProfileResponse,
)
from app.features.user.service import UserService
from app.features.user.service import _coerce_language as _coerce_language_token
from app.ports.storage import ObjectStorage

logger = get_logger(__name__)

router = APIRouter(
    prefix="/api/user",
    tags=["user"],
    responses=error_responses(401, 403, 404),
)

feedback_router = APIRouter(
    prefix="/api/feedback",
    tags=["feedback"],
    responses=error_responses(401, 403, 404),
)


@router.get("/profile", response_model=UserProfileResponse)
async def get_user_profile(
    current_user: CurrentUserDep,
):
    return UserProfileResponse(
        id=current_user.id,
        phone=current_user.phone,
        email=current_user.email,
        nickname=current_user.nickname,
        avatar_url=avatar_url_for_api_response(current_user.avatar_url),
        subscription_type=current_user.subscription_type,
        created_at=current_user.created_at.isoformat(),
        birth_year=current_user.birth_year,
        birth_place=current_user.birth_place,
        grew_up_place=current_user.grew_up_place,
        occupation=current_user.occupation,
        language_preference=_coerce_language_token(
            getattr(current_user, "language_preference", "zh")
        ),
    )


@router.put("/profile", response_model=UserProfileResponse)
async def update_user_profile(
    body: UpdateUserProfileRequest,
    current_user: CurrentUserDep,
    service: UserService = Depends(get_user_service),
):
    logger.info(
        "更新用户档案 user_id={} fields={}",
        current_user.id,
        sorted(body.model_fields_set),
    )
    return await service.update_profile(current_user.id, body)


@router.post("/data/purge", response_model=PurgeUserDataResponse)
async def purge_user_data(
    body: PurgeUserDataRequest,
    current_user: CurrentUserDep,
    service: UserService = Depends(get_user_service),
    object_storage: ObjectStorage = Depends(get_object_storage),
):
    """
    永久删除当前账号下的业务数据：对话与片段、记忆层、故事与插图意图、书籍与章节（含图片任务行）、
    回忆录状态、订单记录、刷新令牌；并清理会话 Redis 历史、任务追踪与相关分布式锁 key；
    对 memory_sources / memoir_images / 关联 Asset 中记录的 storage_key 尽力删除对象存储对象。
    保留 users 表中的账号与登录字段（手机号、密码等），并清空出生年/出生地/成长地/职业等档案字段。
    口令见请求体 schema 说明。
    """
    return await service.purge_all_user_data(
        current_user.id,
        confirmation=body.confirmation,
        object_storage=object_storage,
    )


@router.post("/test-subscription", response_model=TestSubscriptionResponse)
async def test_subscription(
    body: TestSubscriptionRequest,
    current_user: CurrentUserDep,
    service: UserService = Depends(get_user_service),
):
    if not settings.enable_test_subscription:
        raise NotFoundError("测试订阅功能未开放")
    if body.action == "activate" and body.plan_id not in ("pro", "pro_plus"):
        raise BadRequestError("plan_id 仅支持 pro 或 pro_plus")
    return await service.toggle_test_subscription(
        current_user.id, body.action, body.plan_id
    )


@feedback_router.post(
    "", response_model=FeedbackResponse, status_code=status.HTTP_201_CREATED
)
async def submit_feedback(
    request: SubmitFeedbackRequest,
    current_user: CurrentUserDep,
):
    """提交用户反馈。用户可通过此接口提交反馈意见或联系客服。"""
    feedback_id = str(uuid.uuid4())
    logger.info(
        "用户反馈已提交 feedback_id={} user_id={} content_len={} has_contact={}",
        feedback_id,
        current_user.id,
        len(request.content or ""),
        bool(request.contact and str(request.contact).strip()),
    )
    logger.debug(
        "用户反馈详情: feedback_id={} user_id={} content={} contact={}",
        feedback_id,
        current_user.id,
        request.content,
        request.contact,
    )
    return FeedbackResponse(
        id=feedback_id,
        message="反馈已提交，我们会尽快处理",
    )