"""样本接收检查项配置 CRUD"""
from __future__ import annotations

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

from sqlalchemy import and_, func, or_
from sqlalchemy.orm import Session

from app.core.utils import generate_uuid
from app.models.models import BizSampleReceptionCheckItem


def _row_to_dict(r: BizSampleReceptionCheckItem) -> Dict[str, Any]:
    return {
        "id": r.id,
        "itemCode": r.item_code,
        "itemName": r.item_name,
        "status": r.status or "1",
        "tenantNo": r.tenant_no,
        "orderNum": r.order_num if r.order_num is not None else 0,
        "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 item_code_exists(
    db: Session, code: str, tenant_no: str, exclude_id: Optional[str] = None
) -> bool:
    c = (code or "").strip()
    if not c:
        return False
    q = db.query(BizSampleReceptionCheckItem).filter(
        and_(
            BizSampleReceptionCheckItem.item_code == c,
            BizSampleReceptionCheckItem.tenant_no == tenant_no,
            BizSampleReceptionCheckItem.del_flag == 0,
        )
    )
    if exclude_id:
        q = q.filter(BizSampleReceptionCheckItem.id != exclude_id)
    return q.first() is not None


def _order_query(q):
    return q.order_by(
        BizSampleReceptionCheckItem.order_num.asc(),
        BizSampleReceptionCheckItem.create_time.desc(),
    )


def list_check_items(
    db: Session,
    *,
    page: int = 1,
    page_size: int = 10,
    keyword: Optional[str] = None,
    status: Optional[str] = None,
    tenant_no: Optional[str] = None,
) -> Tuple[List[Dict[str, Any]], int]:
    def _filtered():
        q0 = db.query(BizSampleReceptionCheckItem).filter(
            BizSampleReceptionCheckItem.del_flag == 0
        )
        if tenant_no:
            q0 = q0.filter(BizSampleReceptionCheckItem.tenant_no == tenant_no)
        kw = (keyword or "").strip()
        if kw:
            like = f"%{kw}%"
            q0 = q0.filter(
                or_(
                    BizSampleReceptionCheckItem.item_code.like(like),
                    BizSampleReceptionCheckItem.item_name.like(like),
                )
            )
        st = (status or "").strip()
        if st in ("0", "1"):
            q0 = q0.filter(BizSampleReceptionCheckItem.status == st)
        return q0

    total = _filtered().order_by(None).with_entities(
        func.count(BizSampleReceptionCheckItem.id)
    ).scalar() or 0
    page = max(1, page)
    page_size = min(max(1, page_size), 100)
    rows = _order_query(_filtered()).offset((page - 1) * page_size).limit(page_size).all()
    return [_row_to_dict(x) for x in rows], int(total)


def list_active_check_items(db: Session, tenant_no: str) -> List[Dict[str, Any]]:
    rows = (
        _order_query(
            db.query(BizSampleReceptionCheckItem).filter(
                BizSampleReceptionCheckItem.tenant_no == tenant_no,
                BizSampleReceptionCheckItem.del_flag == 0,
                BizSampleReceptionCheckItem.status == "1",
            )
        )
        .all()
    )
    return [_row_to_dict(x) for x in rows]


def get_check_item(
    db: Session, row_id: str, tenant_no: Optional[str] = None
) -> Optional[BizSampleReceptionCheckItem]:
    q = db.query(BizSampleReceptionCheckItem).filter(
        and_(BizSampleReceptionCheckItem.id == row_id, BizSampleReceptionCheckItem.del_flag == 0)
    )
    if tenant_no:
        q = q.filter(BizSampleReceptionCheckItem.tenant_no == tenant_no)
    return q.first()


def create_check_item(
    db: Session,
    *,
    item_code: str,
    item_name: str,
    status: str = "1",
    tenant_no: str,
    order_num: Optional[int] = None,
    remark: Optional[str] = None,
    user_id: Optional[str] = None,
    create_dept_id: str = "",
) -> BizSampleReceptionCheckItem:
    code = (item_code or "").strip()
    if not code:
        raise ValueError("检查项编码不能为空")
    if item_code_exists(db, code, tenant_no):
        raise ValueError("检查项编码已存在")
    name = (item_name or "").strip()
    if not name:
        raise ValueError("检查项名称不能为空")
    st = (status or "1").strip()
    if st not in ("0", "1"):
        raise ValueError("状态无效")
    obj = BizSampleReceptionCheckItem(
        id=generate_uuid(),
        item_code=code,
        item_name=name,
        status=st,
        tenant_no=tenant_no,
        order_num=order_num if order_num is not None else 0,
        remark=(remark or "").strip() or None,
        create_by=user_id,
        create_dept_id=create_dept_id or "",
        create_time=datetime.now(),
        update_by=user_id,
        update_time=datetime.now(),
        del_flag=0,
    )
    db.add(obj)
    db.commit()
    db.refresh(obj)
    return obj


def update_check_item(
    db: Session,
    row_id: str,
    *,
    item_code: Optional[str] = None,
    item_name: Optional[str] = None,
    status: Optional[str] = None,
    order_num: Optional[int] = None,
    remark: Optional[str] = None,
    user_id: Optional[str] = None,
    tenant_no: Optional[str] = None,
) -> BizSampleReceptionCheckItem:
    obj = get_check_item(db, row_id, tenant_no=tenant_no)
    if not obj:
        raise ValueError("检查项不存在")
    if item_code is not None:
        code = item_code.strip()
        if not code:
            raise ValueError("检查项编码不能为空")
        if code != obj.item_code and item_code_exists(db, code, obj.tenant_no, exclude_id=row_id):
            raise ValueError("检查项编码已存在")
        obj.item_code = code
    if item_name is not None:
        name = (item_name or "").strip()
        if not name:
            raise ValueError("检查项名称不能为空")
        obj.item_name = name
    if status is not None:
        st = status.strip()
        if st not in ("0", "1"):
            raise ValueError("状态无效")
        obj.status = st
    if order_num is not None:
        obj.order_num = order_num
    if remark is not None:
        obj.remark = remark.strip() or None
    obj.update_by = user_id
    obj.update_time = datetime.now()
    db.add(obj)
    db.commit()
    db.refresh(obj)
    return obj


def soft_delete_check_item(
    db: Session, row_id: str, tenant_no: Optional[str] = None
) -> None:
    obj = get_check_item(db, row_id, tenant_no=tenant_no)
    if not obj:
        raise ValueError("检查项不存在")
    obj.del_flag = 1
    obj.update_time = datetime.now()
    db.add(obj)
    db.commit()