import numpy as np
import networkx as nx


def generate_evacuateandrefill_protocol(
    G: nx.DiGraph, 
    vessel: str, 
    gas: str, 
    repeats: int = 1
) -> list[dict]:
    """
    生成泵操作的动作序列。
    
    :param G: 有向图, 节点为容器和注射泵, 边为流体管道, A→B边的属性为管道接A端的阀门位置
    :param from_vessel: 容器A
    :param to_vessel: 容器B
    :param volume: 转移的体积
    :param flowrate: 最终注入容器B时的流速
    :param transfer_flowrate: 泵骨架中转移流速（若不指定，默认与注入流速相同）
    :return: 泵操作的动作序列
    """
    
    # 生成电磁阀、真空泵、气源操作的动作序列
    vacuum_action_sequence = []
    nodes = G.nodes(data=True)
    
    # 找到和 vessel 相连的电磁阀和真空泵、气源
    vacuum_backbone = {"vessel": vessel}
    
    for neighbor in G.neighbors(vessel):
        if nodes[neighbor]["class"].startswith("solenoid_valve"):
            for neighbor2 in G.neighbors(neighbor):
                if neighbor2 == vessel:
                    continue
                if nodes[neighbor2]["class"].startswith("vacuum_pump"):
                    vacuum_backbone.update({"vacuum_valve": neighbor, "pump": neighbor2})
                    break
                elif nodes[neighbor2]["class"].startswith("gas_source"):
                    vacuum_backbone.update({"gas_valve": neighbor, "gas": neighbor2})
                    break
    # 判断是否设备齐全
    if len(vacuum_backbone) < 5:
        print(f"\n\n\n{vacuum_backbone}\n\n\n")
        raise ValueError("Not all devices are connected to the vessel.")
    
    # 生成操作的动作序列
    for i in range(repeats):
        # 打开真空泵阀门、关闭气源阀门
        vacuum_action_sequence.append([
            {
                "device_id": vacuum_backbone["vacuum_valve"],
                "action_name": "set_valve_position",
                "action_kwargs": {
                    "command": "OPEN"
                }
            },
            {
                "device_id": vacuum_backbone["gas_valve"],
                "action_name": "set_valve_position",
                "action_kwargs": {
                    "command": "CLOSED"
                }
            }
        ])
        
        # 打开真空泵、关闭气源
        vacuum_action_sequence.append([
            {
                "device_id": vacuum_backbone["pump"],
                "action_name": "set_status",
                "action_kwargs": {
                    "command": "ON"
                }
            },
            {
                "device_id": vacuum_backbone["gas"],
                "action_name": "set_status",
                "action_kwargs": {
                    "command": "OFF"
                }
            }
        ])
        vacuum_action_sequence.append({"action_name": "wait", "action_kwargs": {"time": 60}})
        
        # 关闭真空泵阀门、打开气源阀门
        vacuum_action_sequence.append([
            {
                "device_id": vacuum_backbone["vacuum_valve"],
                "action_name": "set_valve_position",
                "action_kwargs": {
                    "command": "CLOSED"
                }
            },
            {
                "device_id": vacuum_backbone["gas_valve"],
                "action_name": "set_valve_position",
                "action_kwargs": {
                    "command": "OPEN"
                }
            }
        ])
        
        # 关闭真空泵、打开气源
        vacuum_action_sequence.append([
            {
                "device_id": vacuum_backbone["pump"],
                "action_name": "set_status",
                "action_kwargs": {
                    "command": "OFF"
                }
            },
            {
                "device_id": vacuum_backbone["gas"],
                "action_name": "set_status",
                "action_kwargs": {
                    "command": "ON"
                }
            }
        ])
        vacuum_action_sequence.append({"action_name": "wait", "action_kwargs": {"time": 60}})
        
        # 关闭气源
        vacuum_action_sequence.append(
            {
                "device_id": vacuum_backbone["gas"],
                "action_name": "set_status",
                "action_kwargs": {
                    "command": "OFF"
                }
            }
        )
        
        # 关闭阀门
        vacuum_action_sequence.append(
            {
                "device_id": vacuum_backbone["gas_valve"],
                "action_name": "set_valve_position",
                "action_kwargs": {
                    "command": "CLOSED"
                }
            }
        )
    return vacuum_action_sequence