"""Admin finance API for avatar Token orders, refunds and invoices."""

from fastapi import APIRouter, Body, HTTPException, Query

from app.schemas import ApiResponse
from app.services.avatar_service import get_session, is_available
from app.services.finance_service import FinanceServiceError, finance_service


router = APIRouter()


def _session():
    if not is_available():
        raise HTTPException(status_code=503, detail="数字分身数据库尚未初始化")
    return get_session()


def _raise(exc: FinanceServiceError):
    raise HTTPException(status_code=exc.status_code, detail=str(exc))


@router.get("/summary")
def summary():
    db = _session()
    try:
        return ApiResponse(data=finance_service.summary(db))
    finally:
        db.close()


@router.get("/orders")
def orders(
    page: int = Query(1, ge=1),
    page_size: int = Query(20, ge=1, le=100),
    keyword: str = Query(""),
    status: str = Query(""),
    provider: str = Query(""),
):
    db = _session()
    try:
        total, items = finance_service.list_orders(
            db, page=page, page_size=page_size, keyword=keyword.strip(), status=status, provider=provider
        )
        return ApiResponse(data={"total": total, "page": page, "page_size": page_size, "items": items})
    finally:
        db.close()


@router.patch("/orders/{order_no}/status")
def update_order_status(order_no: str, body: dict = Body(...)):
    db = _session()
    try:
        finance_service.close_order(
            db, order_no, status=str(body.get("status") or ""), reason=str(body.get("reason") or "")
        )
        return ApiResponse(message="订单状态已更新")
    except FinanceServiceError as exc:
        _raise(exc)
    finally:
        db.close()


@router.post("/orders/{order_no}/refund")
def request_refund(order_no: str, body: dict = Body(...)):
    try:
        data = finance_service.request_refund(
            order_no,
            reason=str(body.get("reason") or "").strip(),
            operator=str(body.get("operator") or "后台管理员").strip(),
        )
        return ApiResponse(data=data, message="退款申请已提交")
    except FinanceServiceError as exc:
        _raise(exc)


@router.get("/refunds")
def refunds(
    page: int = Query(1, ge=1),
    page_size: int = Query(20, ge=1, le=100),
    status: str = Query(""),
):
    db = _session()
    try:
        total, items = finance_service.list_refunds(db, page=page, page_size=page_size, status=status)
        return ApiResponse(data={"total": total, "page": page, "page_size": page_size, "items": items})
    finally:
        db.close()


@router.post("/refunds/{refund_no}/confirm")
def confirm_refund(refund_no: str, body: dict = Body(...)):
    try:
        data = finance_service.confirm_refund(refund_no, body)
        return ApiResponse(data=data, message="退款结果已登记")
    except FinanceServiceError as exc:
        _raise(exc)


@router.get("/invoices")
def invoices(
    page: int = Query(1, ge=1),
    page_size: int = Query(20, ge=1, le=100),
    status: str = Query(""),
):
    db = _session()
    try:
        total, items = finance_service.list_invoices(db, page=page, page_size=page_size, status=status)
        return ApiResponse(data={"total": total, "page": page, "page_size": page_size, "items": items})
    finally:
        db.close()


@router.patch("/invoices/{invoice_id}")
def update_invoice(invoice_id: str, body: dict = Body(...)):
    db = _session()
    try:
        finance_service.update_invoice(
            db,
            invoice_id,
            status=str(body.get("status") or ""),
            invoice_no=str(body.get("invoiceNo") or ""),
            invoice_url=str(body.get("invoiceUrl") or ""),
            remark=str(body.get("remark") or ""),
        )
        return ApiResponse(message="发票申请已处理")
    except FinanceServiceError as exc:
        _raise(exc)
    finally:
        db.close()