# encoding: UTF-8
from ..model.productModel import Product
from ..model.projectModel import Environment, Project, ProjectMember
from logger import logger


class ProjectDao(object):
    @staticmethod
    def create(session, model_cls, add_info):
        obj = model_cls(**add_info)
        session.add(obj)
        err = session.done(close=False)
        if err:
            logger.warning(f'{model_cls.__name__}新增失败！{err}')
            return 0, f'新增失败！{err}'
        return obj.id, ''

    @staticmethod
    def update_by_id(session, model_cls, obj_id, update_info, soft_delete=True):
        filters = [model_cls.id == int(obj_id)]
        if soft_delete and hasattr(model_cls, 'is_delete'):
            filters.append(model_cls.is_delete == 0)
        update_res = session.query(model_cls).filter(*filters).update(update_info)
        err = session.done(close=False)
        if err:
            logger.error(f'{model_cls.__name__}更新失败！id: {obj_id}, err: {err}')
            return 0, f'更新失败！{err}'
        if not update_res:
            return 0, '未查询到对应记录！'
        return int(obj_id), ''

    @staticmethod
    def get_by_id(session, model_cls, obj_id, soft_delete=True):
        filters = [model_cls.id == int(obj_id)]
        if soft_delete and hasattr(model_cls, 'is_delete'):
            filters.append(model_cls.is_delete == 0)
        return session.query(model_cls).filter(*filters).first()

    @staticmethod
    def list_by_filters(session, model_cls, filter_list, page=1, limit=20, order_column=None):
        """按过滤条件分页查询；存在 is_delete 字段时统一过滤未删除数据。"""
        query = session.query(model_cls).filter(*filter_list)
        if hasattr(model_cls, 'is_delete'):
            query = query.filter(model_cls.is_delete == 0)
        total = query.count()
        if order_column is not None:
            query = query.order_by(order_column.desc())
        rets = query.offset((int(page) - 1) * int(limit)).limit(int(limit)).all()
        return rets, total

    @staticmethod
    def delete_by_id(session, model_cls, obj_id):
        return ProjectDao.update_by_id(session, model_cls, obj_id, {'is_delete': 1})

    @staticmethod
    def get_product_map(session, product_ids):
        if not product_ids:
            return {}
        product_items = session.query(Product).filter(Product.id.in_(product_ids), Product.is_delete == 0).all()
        return {product.id: product.name for product in product_items}

    @staticmethod
    def get_project_name_map(session, project_ids):
        if not project_ids:
            return {}
        project_items = session.query(Project).filter(Project.id.in_(project_ids), Project.is_delete == 0).all()
        return {project.id: {'name': project.name} for project in project_items}

    @staticmethod
    def project_model():
        return Project

    @staticmethod
    def member_model():
        return ProjectMember

    @staticmethod
    def environment_model():
        return Environment