"""采集协议单 — 协议级退费登记 CRUD（不改转账笔 pay_status）"""

from __future__ import annotations

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

from sqlalchemy.orm import Session

from app.core.utils import generate_uuid, parse_datetime
from app.crud.collection_protocol import urls_to_attachment_list
from app.models.models import BizProtocolRefundRecord
from app.services.protocol_refund_record import validate_refund_amount


def _now() -> datetime:
    return datetime.now()


def _record_to_dict(
    db: Session, r: BizProtocolRefundRecord, tenant_no: str
) -> Dict[str, Any]:
    return {
        "id": r.id,
        "collectionProtocolId": r.collection_protocol_id,
        "refundAmount": float(r.refund_amount) if r.refund_amount is not None else None,
        "refundTime": r.refund_time.strftime("%Y-%m-%d %H:%M:%S") if r.refund_time else "",
        "refundRemark": r.refund_remark or "",
        "refundAttachments": r.refund_attachments or "",
        "refundAttachmentFiles": urls_to_attachment_list(
            r.refund_attachments, db, tenant_no
        ),
        "workflowInstanceId": r.workflow_instance_id or "",
        "remark": r.remark or "",
        "createTime": r.create_time.strftime("%Y-%m-%d %H:%M:%S") if r.create_time else "",
        "updateTime": r.update_time.strftime("%Y-%m-%d %H:%M:%S") if r.update_time else "",
    }


def list_refund_records(
    db: Session, *, collection_protocol_id: str, tenant_no: str
) -> List[Dict[str, Any]]:
    rows = (
        db.query(BizProtocolRefundRecord)
        .filter(
            BizProtocolRefundRecord.collection_protocol_id == collection_protocol_id,
            BizProtocolRefundRecord.tenant_no == tenant_no,
            BizProtocolRefundRecord.del_flag == 0,
        )
        .order_by(BizProtocolRefundRecord.create_time.desc())
        .all()
    )
    return [_record_to_dict(db, r, tenant_no) for r in rows]


def create_refund_record(
    db: Session,
    *,
    collection_protocol_id: str,
    tenant_no: str,
    user_id: Optional[str],
    refund_amount: Any,
    refund_time: Any = None,
    refund_remark: Optional[str] = None,
    refund_attachments: Optional[str] = None,
    workflow_instance_id: Optional[str] = None,
    remark: Optional[str] = None,
) -> BizProtocolRefundRecord:
    amt = validate_refund_amount(refund_amount)
    now = _now()
    rt = None
    if refund_time not in (None, ""):
        rt = (
            refund_time
            if isinstance(refund_time, datetime)
            else parse_datetime(str(refund_time))
        )
    obj = BizProtocolRefundRecord(
        id=generate_uuid(),
        collection_protocol_id=collection_protocol_id,
        refund_amount=amt,
        refund_time=rt or now,
        refund_remark=(refund_remark or "").strip() or None,
        refund_attachments=(refund_attachments or "").strip() or None,
        workflow_instance_id=(workflow_instance_id or "").strip() or None,
        tenant_no=tenant_no,
        order_num=0,
        remark=(remark or "").strip() or None,
        create_by=user_id,
        create_dept_id="",
        create_time=now,
        update_by=user_id,
        update_time=now,
        del_flag=0,
    )
    db.add(obj)
    db.commit()
    db.refresh(obj)
    return obj


def update_refund_record(
    db: Session,
    *,
    record_id: str,
    tenant_no: str,
    user_id: Optional[str],
    refund_amount: Any = None,
    refund_time: Any = None,
    refund_remark: Optional[str] = None,
    refund_attachments: Optional[str] = None,
    workflow_instance_id: Optional[str] = None,
    remark: Optional[str] = None,
    fields_set: Optional[set] = None,
) -> BizProtocolRefundRecord:
    obj = (
        db.query(BizProtocolRefundRecord)
        .filter(
            BizProtocolRefundRecord.id == record_id,
            BizProtocolRefundRecord.tenant_no == tenant_no,
            BizProtocolRefundRecord.del_flag == 0,
        )
        .first()
    )
    if not obj:
        raise ValueError("退费登记不存在")
    fs = fields_set or {
        "refund_amount",
        "refund_time",
        "refund_remark",
        "refund_attachments",
        "workflow_instance_id",
        "remark",
    }
    if "refund_amount" in fs and refund_amount is not None:
        obj.refund_amount = validate_refund_amount(refund_amount)
    if "refund_time" in fs:
        if refund_time in (None, ""):
            obj.refund_time = None
        elif isinstance(refund_time, datetime):
            obj.refund_time = refund_time
        else:
            obj.refund_time = parse_datetime(str(refund_time))
    if "refund_remark" in fs:
        obj.refund_remark = (refund_remark or "").strip() or None
    if "refund_attachments" in fs:
        obj.refund_attachments = (refund_attachments or "").strip() or None
    if "workflow_instance_id" in fs:
        obj.workflow_instance_id = (workflow_instance_id or "").strip() or None
    if "remark" in fs:
        obj.remark = (remark or "").strip() or None
    obj.update_by = user_id
    obj.update_time = _now()
    db.add(obj)
    db.commit()
    db.refresh(obj)
    return obj


def soft_delete_refund_record(
    db: Session,
    *,
    record_id: str,
    tenant_no: str,
    user_id: Optional[str],
) -> None:
    obj = (
        db.query(BizProtocolRefundRecord)
        .filter(
            BizProtocolRefundRecord.id == record_id,
            BizProtocolRefundRecord.tenant_no == tenant_no,
            BizProtocolRefundRecord.del_flag == 0,
        )
        .first()
    )
    if not obj:
        raise ValueError("退费登记不存在")
    obj.del_flag = 1
    obj.update_by = user_id
    obj.update_time = _now()
    db.add(obj)
    db.commit()