# -*- coding: utf-8 -*-

from typing import List, Dict, Any, Union

from sqlalchemy import text

from website.db_mysql import get_session, to_json_list, to_json

"""
CREATE TABLE `enterprise_node` (
    `id` int NOT NULL AUTO_INCREMENT,
    `entity_suid` int NOT NULL COMMENT '企业uuid',
    `name` varchar(255) DEFAULT '' COMMENT '企业name',
    `parent` int DEFAULT NULL,
    `addr` varchar(255) DEFAULT '',
    `lola` varchar(255) DEFAULT '',
    `contact` varchar(255) DEFAULT '',
    `phone` varchar(255) DEFAULT '',
    `comment` varchar(255) DEFAULT '',
    `del` int DEFAULT '0',
    `create_time` datetime DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (`id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='企业节点表'
"""


class EnterpriseNodeRepository(object):

    def insert_node(self, node: dict) -> int:
        with get_session() as session:
            session.execute(
                text(
                    "insert into "
                    "enterprise_node(suid, entity_id, entity_suid, name, parent, addr, lola, contact, phone, comment) "
                    "values (:suid, :entity_id, :entity_suid, :name, :parent, :addr, :lola, :contact, :phone, :comment)"
                ),
                node,
            )

            # last_insert_id = session.execute(text("SELECT LAST_INSERT_ID()")).scalar()
            # logging.info(f"last_insert_id: {last_insert_id}")
        return 0

    def update_node(self, node: dict) -> int:
        with get_session() as session:
            sql = (
                "update enterprise_node "
                "set name=:name, parent=:parent, addr=:addr, lola=:lola, contact=:contact, phone=:phone, comment=:comment where id=:id"
            )
            param = {
                "id": node["id"],
                "name": node["name"],
                "parent": node["parent"],
                "addr": node["addr"],
                "lola": node["lola"],
                "contact": node["contact"],
                "phone": node["phone"],
                "comment": node["comment"],
            }
            session.execute(text(sql), param)
        return 0

    def select_tree(self, entity_id: int, name: str = "") -> List[Dict[str, Any]]:
        roots = []
        with get_session() as session:
            # sql = "select id, name, suid, parent from enterprise_node where entity_id=:entity_id and del=0 and parent=0 "

            sql = (
                """
                SELECT 
                n.id, n.name, n.parent, p.name AS parent_name, n.suid 
                FROM enterprise_node n 
                LEFT JOIN enterprise_node p ON n.parent = p.id 
                WHERE n.entity_id=:entity_id AND n.del=0 and n.parent=0 
                """
            )
            param = {"entity_id": entity_id}

            if name:
                sql += " and n.name like :name"
                param["name"] = f"%{name}%"

            res = session.execute(text(sql), param)
            node_list = to_json_list(res)
            node_list = node_list and node_list or []
            for node in node_list:
                root = {
                    "id": node["id"],
                    "name": node["name"],
                    "suid": node["suid"],
                    "parent": node["parent"],
                    "parent_name": node["parent_name"],
                    "children": self.build_tree(session, node, name),
                }
                roots.append(root)
            # return node_list
        return roots

    def build_tree(
            self, session: Any, node: Dict[str, Any], name: str = ""
    ) -> List[Any]:
        # sql = (
        #     "select id, name, suid, parent from enterprise_node where del=0 and parent=:parent"
        # )

        sql = (
            """
            SELECT 
            n.id, n.name, n.parent, p.name AS parent_name, n.suid 
            FROM enterprise_node n 
            LEFT JOIN enterprise_node p ON n.parent = p.id 
            WHERE n.parent=:parent AND n.del=0
            """
        )

        param = {"parent": node["id"]}

        if name:
            sql += " and n.name like :name"
            param["name"] = f"%{name}%"

        res = session.execute(text(sql), param)
        node_list = to_json_list(res)
        node_list = node_list and node_list or []
        children = []
        for node in node_list:
            child = {
                "id": node["id"],
                "name": node["name"],
                "suid": node["suid"],
                "parent": node["parent"],
                "parent_name": node["parent_name"],
                "children": self.build_tree(session, node, name),
            }
            children.append(child)

        return children

    def select_node(self, node_id: int) -> Dict[str, Any]:
        with get_session() as session:
            # sql = (
            #     "select id, name, parent, addr, lola, contact, phone, comment, suid from enterprise_node "
            #     "where id=:id and del=0"
            # )
            sql = (
                """
                SELECT 
                n.id, n.name, n.parent, p.name AS parent_name, n.addr, n.lola, n.contact, n.phone, n.comment, n.suid 
                FROM enterprise_node n 
                LEFT JOIN enterprise_node p ON n.parent = p.id 
                WHERE n.id=:id AND n.del=0
                """
            )
            param = {"id": node_id}
            res = session.execute(text(sql), param)
            node_list = to_json_list(res)
            node_list = node_list and node_list or []
            return node_list[0] if node_list else None

    def delete_node(self, node_id: int) -> int:
        with get_session() as session:
            sql = "update enterprise_node set del=1 where id=:id"
            param = {"id": node_id}
            session.execute(text(sql), param)
            session.commit()
        return 0

    def get_node_by_id(self, node_id: int) -> dict:
        with get_session() as session:
            sql = "select suid, name from enterprise_node where id=:id"
            param = {"id": node_id}
            res = session.execute(text(sql), param)
            node = to_json(res)
            return node

    def get_entity_suid_by_node_id(self, node_id: int) -> dict:
        with get_session() as session:
            res = session.execute(
                text("select suid, entity_suid from enterprise_node where id=:id"),
                {"id": node_id},
            )
            entity = to_json(res)

        return entity

    def simple_list(self, entity_id: int) -> List[Any]:
        with get_session() as session:
            sql = (
                "select id, name from enterprise_node where del=0 and entity_id=:entity_id"
            )
            param = {"entity_id": entity_id}
            res = session.execute(text(sql), param)
            node_list = to_json_list(res)
            return node_list