24：执行链完整闭环：从目标锁定到确认的全流程状态机

class State:
    def __init__(self, name):
        self.name = name
    
    def enter(self, context):
        pass
    
    def execute(self, context):
        pass
    
    def exit(self, context):
        pass

class Context:
    def __init__(self):
        self.current_state = None
        self.target_info = {}
        self.verification_result = False
        self.risk_level = 0
        self.execution_result = False
    
    def set_state(self, state):
        if self.current_state:
            self.current_state.exit(self)
        self.current_state = state
        self.current_state.enter(self)
    
    def run(self):
        while self.current_state:
            self.current_state.execute(self)

class TargetIdentificationState(State):
    def enter(self, context):
        print("进入目标识别状态")
    
    def execute(self, context):
        # 实现目标识别逻辑
        context.target_info = {"name": "目标姓名", "face": "面部特征", "crime": "犯罪记录"}
        print("目标识别完成")
        context.set_state(InformationVerificationState("信息验证"))

class InformationVerificationState(State):
    def enter(self, context):
        print("进入信息验证状态")
    
    def execute(self, context):
        # 实现信息验证逻辑
        context.verification_result = True  # 假设验证成功
        if context.verification_result:
            print("信息验证通过")
            context.set_state(RiskAssessmentState("风险评估"))
        else:
            print("信息验证失败")
            context.set_state(ErrorHandlingState("错误处理"))

class RiskAssessmentState(State):
    def enter(self, context):
        print("进入风险评估状态")
    
    def execute(self, context):
        # 实现风险评估逻辑
        context.risk_level = 1  # 假设风险较低
        if context.risk_level <= 2:
            print("风险评估通过")
            context.set_state(ExecutionPreparationState("执行准备"))
        else:
            print("风险评估失败")
            context.set_state(ErrorHandlingState("错误处理"))

class ExecutionPreparationState(State):
    def enter(self, context):
        print("进入执行准备状态")
    
    def execute(self, context):
        # 实现执行准备逻辑
        print("执行准备完成")
        context.set_state(ExecutionOperationState("执行操作"))

class ExecutionOperationState(State):
    def enter(self, context):
        print("进入执行操作状态")
    
    def execute(self, context):
        # 实现执行操作逻辑
        context.execution_result = True  # 假设执行成功
        if context.execution_result:
            print("执行操作成功")
            context.set_state(ResultConfirmationState("结果确认"))
        else:
            print("执行操作失败")
            context.set_state(ErrorHandlingState("错误处理"))

class ResultConfirmationState(State):
    def enter(self, context):
        print("进入结果确认状态")
    
    def execute(self, context):
        # 实现结果确认逻辑
        print("结果确认完成")
        context.set_state(CompletionState("完成状态"))

class CompletionState(State):
    def enter(self, context):
        print("进入完成状态")
    
    def execute(self, context):
        print("执行流程完成")
        context.current_state = None

class ErrorHandlingState(State):
    def enter(self, context):
        print("进入错误处理状态")
    
    def execute(self, context):
        # 实现错误处理逻辑
        print("错误处理完成，重新开始目标识别")
        context.set_state(TargetIdentificationState("目标识别"))

# 测试状态机
def test_state_machine():
    context = Context()
    context.set_state(TargetIdentificationState("目标识别"))
    context.run()

if __name__ == "__main__":
    test_state_machine()