"""预签约订单 / 意向金转账 / 转正式 API"""

from __future__ import annotations

from datetime import datetime
from typing import Any, Dict, List, Optional

from fastapi import APIRouter, Depends, Query
from pydantic import BaseModel, ConfigDict, Field, field_validator
from sqlalchemy.orm import Session

from app.core.database import get_db
from app.core.data_scope import get_user_dept_id
from app.core.menu_guard import require_admin_or_super_admin
from app.core.response import error_response, success_response
from app.crud import presign_order as po_svc
from app.models.models import SysUser

router = APIRouter(prefix="/web/admin", tags=["细胞存储-预签约订单"])


def _get_tenant_no(db: Session, user: dict) -> str:
    user_id = user.get("user_id")
    if not user_id:
        raise PermissionError("用户身份信息缺失，无法确定租户")
    sys_user = db.query(SysUser).filter(SysUser.id == user_id).first()
    if not sys_user or not sys_user.tenant_no:
        raise PermissionError("用户租户信息缺失")
    return sys_user.tenant_no


def _get_current_user_id(user: dict) -> str:
    user_id = user.get("user_id")
    if not user_id:
        raise PermissionError("用户身份信息缺失")
    return str(user_id)


class PresignOrderBody(BaseModel):
    model_config = ConfigDict(extra="ignore", populate_by_name=True)

    order_date: Optional[str] = Field(None, alias="orderDate")
    protocol_no: Optional[str] = Field(None, alias="protocolNo")
    mother_name: Optional[str] = Field(None, alias="motherName")
    expected_delivery_date: Optional[str] = Field(None, alias="expectedDeliveryDate")
    region_id: Optional[str] = Field(None, alias="regionId")
    hospital_id: Optional[str] = Field(None, alias="hospitalId")
    sample_collect_time: Optional[str] = Field(None, alias="sampleCollectTime")
    pay_mode: Optional[str] = Field(None, alias="payMode")
    contract_amount: Optional[float] = Field(None, alias="contractAmount")
    collector_user_id: Optional[str] = Field(None, alias="collectorUserId")
    sales_user_id: Optional[str] = Field(None, alias="salesUserId")
    region_manager_user_id: Optional[str] = Field(None, alias="regionManagerUserId")
    order_status: Optional[str] = Field(None, alias="orderStatus")
    remark: Optional[str] = None
    sample_type_ids: Optional[List[str]] = Field(None, alias="sampleTypeIds")
    transfers: Optional[List[Dict[str, Any]]] = None

    @field_validator("order_date", "expected_delivery_date")
    @classmethod
    def validate_ymd(cls, value: Optional[str]) -> Optional[str]:
        if value in (None, ""):
            return value
        text = value.strip()
        if len(text) != 8 or not text.isdigit():
            raise ValueError("日期必须使用 YYYYMMDD 格式")
        try:
            datetime.strptime(text, "%Y%m%d")
        except ValueError as exc:
            raise ValueError("日期必须是有效的 YYYYMMDD") from exc
        return text


class PresignTransferBody(BaseModel):
    model_config = ConfigDict(extra="ignore", populate_by_name=True)

    transfer_amount: Optional[float] = Field(None, alias="transferAmount")
    transfer_time: Optional[str] = Field(None, alias="transferTime")
    transfer_type: Optional[str] = Field(None, alias="transferType")
    transfer_attachments: Optional[str] = Field(None, alias="transferAttachments")
    remark: Optional[str] = None


class FinanceConfirmBody(BaseModel):
    model_config = ConfigDict(extra="ignore", populate_by_name=True)

    finance_confirm_attachments: Optional[str] = Field(
        None, alias="financeConfirmAttachments"
    )
    finance_remark: Optional[str] = Field(None, alias="financeRemark")


@router.get("/presign-orders")
async def list_presign_orders(
    page: int = Query(1, ge=1),
    pageSize: int = Query(10, ge=1, le=100, alias="pageSize"),
    keyword: Optional[str] = None,
    orderStatus: Optional[str] = Query(None, alias="orderStatus"),
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        items, total = po_svc.list_presign_orders(
            db,
            tenant_no=tenant_no,
            page=page,
            page_size=pageSize,
            keyword=keyword,
            order_status=orderStatus,
            user_info=user,
        )
        return success_response(
            {"list": items, "total": total, "page": page, "pageSize": pageSize}
        )
    except PermissionError as e:
        return error_response(403, str(e))


@router.get("/presign-orders/{order_id}")
async def get_presign_order(
    order_id: str,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        po_svc.assert_presign_data_access(db, order_id, tenant_no, user)
        data = po_svc.get_presign_order(db, order_id=order_id, tenant_no=tenant_no)
        if not data:
            return error_response(404, "预签约订单不存在")
        return success_response(data)
    except PermissionError as e:
        return error_response(403, str(e))


@router.post("/presign-orders")
async def create_presign_order(
    body: PresignOrderBody,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        user_id = _get_current_user_id(user)
        dumped = body.model_dump(by_alias=False)
        obj = po_svc.create_presign_order(
            db,
            create_dept_id=get_user_dept_id(db, user_id) or "",
            tenant_no=tenant_no,
            user_id=user_id,
            fields=dumped,
            sample_type_ids=body.sample_type_ids,
            transfers=body.transfers,
        )
        return success_response(
            po_svc.order_to_dict(db, obj, tenant_no, with_children=True),
            message="创建成功",
        )
    except PermissionError as e:
        return error_response(403, str(e))
    except ValueError as e:
        return error_response(400, str(e))


@router.put("/presign-orders/{order_id}")
async def update_presign_order(
    order_id: str,
    body: PresignOrderBody,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        po_svc.assert_presign_data_access(db, order_id, tenant_no, user)
        user_id = _get_current_user_id(user)
        dumped = body.model_dump(by_alias=False, exclude_unset=True)
        sample_type_ids = dumped.pop("sample_type_ids", None)
        dumped.pop("transfers", None)
        obj = po_svc.update_presign_order(
            db,
            create_dept_id=get_user_dept_id(db, user_id) or "",
            order_id=order_id,
            tenant_no=tenant_no,
            user_id=user_id,
            fields=dumped,
            sample_type_ids=sample_type_ids,
        )
        return success_response(
            po_svc.order_to_dict(db, obj, tenant_no, with_children=True),
            message="保存成功",
        )
    except PermissionError as e:
        return error_response(403, str(e))
    except ValueError as e:
        return error_response(400, str(e))


@router.delete("/presign-orders/{order_id}")
async def delete_presign_order(
    order_id: str,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        po_svc.assert_presign_data_access(db, order_id, tenant_no, user)
        user_id = _get_current_user_id(user)
        po_svc.soft_delete_presign_order(
            db, order_id=order_id, tenant_no=tenant_no, user_id=user_id
        )
        return success_response(None, message="删除成功")
    except PermissionError as e:
        return error_response(403, str(e))
    except ValueError as e:
        return error_response(400, str(e))


@router.post("/presign-orders/{order_id}/convert")
async def convert_presign_order(
    order_id: str,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        po_svc.assert_presign_data_access(db, order_id, tenant_no, user)
        user_id = _get_current_user_id(user)
        data = po_svc.convert_to_protocol(
            db, order_id=order_id, tenant_no=tenant_no, user_id=user_id,
            create_dept_id=get_user_dept_id(db, user_id) or "",
        )
        return success_response(data, message="已转正式协议")
    except PermissionError as e:
        return error_response(403, str(e))
    except ValueError as e:
        return error_response(400, str(e))


@router.post("/presign-orders/{order_id}/transfers")
async def create_presign_transfer(
    order_id: str,
    body: PresignTransferBody,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        po_svc.assert_presign_data_access(db, order_id, tenant_no, user)
        user_id = _get_current_user_id(user)
        obj = po_svc.add_transfer(
            db,
            create_dept_id=get_user_dept_id(db, user_id) or "",
            presign_order_id=order_id,
            tenant_no=tenant_no,
            user_id=user_id,
            fields=body.model_dump(by_alias=False),
        )
        return success_response(
            po_svc._transfer_to_dict(db, obj, tenant_no), message="添加成功"
        )
    except PermissionError as e:
        return error_response(403, str(e))
    except ValueError as e:
        return error_response(400, str(e))


@router.put("/presign-transfers/{transfer_id}")
async def update_presign_transfer(
    transfer_id: str,
    body: PresignTransferBody,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        po_svc.assert_presign_data_access(
            db, transfer_id, tenant_no, user, transfer=True
        )
        user_id = _get_current_user_id(user)
        obj = po_svc.update_transfer_draft(
            db,
            transfer_id=transfer_id,
            tenant_no=tenant_no,
            user_id=user_id,
            fields=body.model_dump(by_alias=False, exclude_unset=True),
        )
        return success_response(
            po_svc._transfer_to_dict(db, obj, tenant_no), message="保存成功"
        )
    except PermissionError as e:
        return error_response(403, str(e))
    except ValueError as e:
        return error_response(400, str(e))


@router.post("/presign-transfers/{transfer_id}/submit-receipt-finance")
async def submit_presign_transfer_finance(
    transfer_id: str,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        po_svc.assert_presign_data_access(
            db, transfer_id, tenant_no, user, transfer=True
        )
        user_id = _get_current_user_id(user)
        obj = po_svc.submit_receipt_finance(
            db, transfer_id=transfer_id, tenant_no=tenant_no, user_id=user_id
        )
        return success_response(
            po_svc._transfer_to_dict(db, obj, tenant_no), message="已提交财务确认"
        )
    except PermissionError as e:
        return error_response(403, str(e))
    except ValueError as e:
        return error_response(400, str(e))


@router.post("/presign-transfers/{transfer_id}/withdraw")
async def withdraw_presign_transfer(
    transfer_id: str,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        po_svc.assert_presign_data_access(
            db, transfer_id, tenant_no, user, transfer=True
        )
        user_id = _get_current_user_id(user)
        obj = po_svc.withdraw_receipt(
            db, transfer_id=transfer_id, tenant_no=tenant_no, user_id=user_id
        )
        return success_response(
            po_svc._transfer_to_dict(db, obj, tenant_no), message="已撤回"
        )
    except PermissionError as e:
        return error_response(403, str(e))
    except ValueError as e:
        return error_response(400, str(e))


@router.get("/presign-transfers/receipt-confirm")
async def list_presign_receipt_confirm(
    page: int = Query(1, ge=1),
    pageSize: int = Query(10, ge=1, le=100, alias="pageSize"),
    keyword: Optional[str] = None,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        items, total = po_svc.list_presign_transfers_for_finance(
            db,
            pay_status="jfqrz",
            tenant_no=tenant_no,
            keyword=keyword,
            page=page,
            page_size=pageSize,
            user_info=user,
        )
        return success_response(
            {"list": items, "total": total, "page": page, "pageSize": pageSize}
        )
    except PermissionError as e:
        return error_response(403, str(e))


@router.get("/presign-transfers/receipt-confirmed")
async def list_presign_receipt_confirmed(
    page: int = Query(1, ge=1),
    pageSize: int = Query(10, ge=1, le=100, alias="pageSize"),
    keyword: Optional[str] = None,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        items, total = po_svc.list_presign_transfers_for_finance(
            db,
            pay_status="yjf",
            tenant_no=tenant_no,
            keyword=keyword,
            page=page,
            page_size=pageSize,
            user_info=user,
        )
        return success_response(
            {"list": items, "total": total, "page": page, "pageSize": pageSize}
        )
    except PermissionError as e:
        return error_response(403, str(e))


@router.post("/presign-transfers/{transfer_id}/receipt-confirm")
async def confirm_presign_transfer(
    transfer_id: str,
    body: Optional[FinanceConfirmBody] = None,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        po_svc.assert_presign_data_access(
            db, transfer_id, tenant_no, user, transfer=True
        )
        user_id = _get_current_user_id(user)
        obj = po_svc.confirm_receipt(
            db,
            transfer_id=transfer_id,
            tenant_no=tenant_no,
            user_id=user_id,
            finance_confirm_attachments=body.finance_confirm_attachments if body else None,
            finance_remark=body.finance_remark if body else None,
        )
        return success_response(
            po_svc._transfer_to_dict(db, obj, tenant_no), message="确认收款成功"
        )
    except PermissionError as e:
        return error_response(403, str(e))
    except ValueError as e:
        return error_response(400, str(e))


@router.post("/presign-transfers/{transfer_id}/receipt-reject")
async def reject_presign_transfer(
    transfer_id: str,
    user: dict = Depends(require_admin_or_super_admin),
    db: Session = Depends(get_db),
):
    try:
        tenant_no = _get_tenant_no(db, user)
        po_svc.assert_presign_data_access(
            db, transfer_id, tenant_no, user, transfer=True
        )
        user_id = _get_current_user_id(user)
        obj = po_svc.reject_receipt(
            db, transfer_id=transfer_id, tenant_no=tenant_no, user_id=user_id
        )
        return success_response(
            po_svc._transfer_to_dict(db, obj, tenant_no), message="已退回"
        )
    except PermissionError as e:
        return error_response(403, str(e))
    except ValueError as e:
        return error_response(400, str(e))