"""资料导入 API（api-spec §8）。

JSON 提交与文件上传分两个端点（FastAPI 无法优雅地在单端点同时吃 JSON body
与 multipart）；两者返回结构一致。路径挂在 ``/characters/{character_id}`` 下。
候选抽取为异步后台任务：触发即返回 job 状态，前端轮询 ``GET /imports/{id}``
（extracting_* → reviewing）与候选列表获取结果。
"""

from fastapi import APIRouter, Depends, File, Form, Query, UploadFile

from app.api.v1.deps import get_current_user
from app.schemas.auth import CurrentUser
from app.schemas.candidates import (
    BatchReviewRequest,
    BatchReviewResult,
    MemoryCandidateResponse,
    ProfileCandidateResponse,
)
from app.schemas.common import Page
from app.schemas.imports import (
    CreateImportRequest,
    ImportItemResponse,
    ImportJobResponse,
)
from app.services.imports import (
    batch_review_memory_candidates,
    batch_review_profile_candidates,
    create_import_from_json,
    create_import_from_upload,
    get_import,
    list_import_items,
    list_jobs_page,
    list_memory_candidates,
    list_profile_candidates,
    trigger_memory_extraction,
    trigger_personality_extraction,
    trigger_profile_extraction,
)

router = APIRouter(tags=["imports"])


@router.post("/characters/{character_id}/imports", response_model=ImportJobResponse)
async def create_import_json(
    character_id: str,
    payload: CreateImportRequest,
    current_user: CurrentUser = Depends(get_current_user),
) -> ImportJobResponse:
    return await create_import_from_json(
        character_id, payload, owner_scope=current_user.owner_scope
    )


@router.post("/characters/{character_id}/imports/upload", response_model=ImportJobResponse)
async def create_import_upload(
    character_id: str,
    file: UploadFile = File(..., description="上传文件（文本或音频）。"),
    title: str | None = Form(default=None),
    source_description: str | None = Form(default=None),
    speaker_label: str | None = Form(default=None, description="音频说话人标签。"),
    consent_status: str = Form(default="unknown"),
    usage_scope: str = Form(default="reference_only"),
    current_user: CurrentUser = Depends(get_current_user),
) -> ImportJobResponse:
    return await create_import_from_upload(
        character_id,
        file,
        title=title,
        source_description=source_description,
        speaker_label=speaker_label,
        consent_status=consent_status,
        usage_scope=usage_scope,
        owner_scope=current_user.owner_scope,
    )


@router.get("/characters/{character_id}/imports", response_model=Page[ImportJobResponse])
async def list_imports(
    character_id: str,
    page: int = Query(default=1, ge=1),
    page_size: int = Query(default=20, ge=1, le=100),
    current_user: CurrentUser = Depends(get_current_user),
) -> Page[ImportJobResponse]:
    return await list_jobs_page(
        character_id, page=page, page_size=page_size, owner_scope=current_user.owner_scope
    )


@router.get(
    "/characters/{character_id}/imports/{import_id}",
    response_model=ImportJobResponse,
)
async def read_import(
    character_id: str,
    import_id: str,
    current_user: CurrentUser = Depends(get_current_user),
) -> ImportJobResponse:
    return await get_import(character_id, import_id, owner_scope=current_user.owner_scope)


@router.get(
    "/characters/{character_id}/imports/{import_id}/items",
    response_model=Page[ImportItemResponse],
)
async def read_import_items(
    character_id: str,
    import_id: str,
    page: int = Query(default=1, ge=1),
    page_size: int = Query(default=20, ge=1, le=100),
    current_user: CurrentUser = Depends(get_current_user),
) -> Page[ImportItemResponse]:
    return await list_import_items(
        character_id,
        import_id,
        page=page,
        page_size=page_size,
        owner_scope=current_user.owner_scope,
    )


# —— 候选抽取（5b，异步后台任务）——


@router.post(
    "/characters/{character_id}/imports/{import_id}/profile-candidates",
    response_model=ImportJobResponse,
)
async def trigger_profile_candidates(
    character_id: str,
    import_id: str,
    current_user: CurrentUser = Depends(get_current_user),
) -> ImportJobResponse:
    return await trigger_profile_extraction(
        character_id, import_id, owner_scope=current_user.owner_scope
    )


@router.get(
    "/characters/{character_id}/imports/{import_id}/profile-candidates",
    response_model=list[ProfileCandidateResponse],
)
async def list_profile_candidates_api(
    character_id: str,
    import_id: str,
    status: str | None = Query(default=None, description="按审核状态过滤。"),
    current_user: CurrentUser = Depends(get_current_user),
) -> list[ProfileCandidateResponse]:
    return await list_profile_candidates(
        character_id, import_id, status=status, owner_scope=current_user.owner_scope
    )


@router.post(
    "/characters/{character_id}/imports/{import_id}/memory-candidates",
    response_model=ImportJobResponse,
)
async def trigger_memory_candidates(
    character_id: str,
    import_id: str,
    current_user: CurrentUser = Depends(get_current_user),
) -> ImportJobResponse:
    return await trigger_memory_extraction(
        character_id, import_id, owner_scope=current_user.owner_scope
    )


@router.get(
    "/characters/{character_id}/imports/{import_id}/memory-candidates",
    response_model=list[MemoryCandidateResponse],
)
async def list_memory_candidates_api(
    character_id: str,
    import_id: str,
    status: str | None = Query(default=None, description="按审核状态过滤。"),
    current_user: CurrentUser = Depends(get_current_user),
) -> list[MemoryCandidateResponse]:
    return await list_memory_candidates(
        character_id, import_id, status=status, owner_scope=current_user.owner_scope
    )


@router.post(
    "/characters/{character_id}/imports/{import_id}/personality-proposals",
    response_model=ImportJobResponse,
)
async def trigger_personality_proposals(
    character_id: str,
    import_id: str,
    current_user: CurrentUser = Depends(get_current_user),
) -> ImportJobResponse:
    return await trigger_personality_extraction(
        character_id, import_id, owner_scope=current_user.owner_scope
    )


# —— 候选审核应用（5c）——


@router.post(
    "/characters/{character_id}/profile-candidates/batch-review",
    response_model=BatchReviewResult,
)
async def batch_review_profile(
    character_id: str,
    payload: BatchReviewRequest,
    current_user: CurrentUser = Depends(get_current_user),
) -> BatchReviewResult:
    return await batch_review_profile_candidates(
        character_id, payload, owner_scope=current_user.owner_scope
    )


@router.post(
    "/characters/{character_id}/memory-candidates/batch-review",
    response_model=BatchReviewResult,
)
async def batch_review_memory(
    character_id: str,
    payload: BatchReviewRequest,
    current_user: CurrentUser = Depends(get_current_user),
) -> BatchReviewResult:
    return await batch_review_memory_candidates(
        character_id, payload, owner_scope=current_user.owner_scope
    )