# executionState.py
# Contains all execution state management logic extracted from managerChat.py

import logging
from typing import List
from datetime import datetime, UTC
from modules.interfaces.interfaceChatModel import TaskStep, ActionResult

logger = logging.getLogger(__name__)

class TaskExecutionState:
    """Manages execution state for a task with retry logic"""
    
    def __init__(self, task_step: TaskStep):
        self.task_step = task_step
        self.successful_actions: List[ActionResult] = []  # Preserved across retries
        self.failed_actions: List[ActionResult] = []      # For analysis
        self.current_action_index = 0
        self.retry_count = 0
        self.max_retries = 3
        
    def addSuccessfulAction(self, action_result: ActionResult):
        """Add a successful action to the state"""
        self.successful_actions.append(action_result)
        self.current_action_index += 1
        
    def addFailedAction(self, action_result: ActionResult):
        """Add a failed action to the state for analysis"""
        self.failed_actions.append(action_result)
        self.current_action_index += 1

    def getAvailableResults(self) -> list:
        """Get available results from successful actions"""
        results = []
        for action in self.successful_actions:
            if action.data and action.data.get('result'):
                results.append(action.data['result'])
        return results

    def shouldRetryTask(self) -> bool:
        """Determine if task should be retried based on failure patterns"""
        return len(self.failed_actions) > 0 and self.canRetry()

    def canRetry(self) -> bool:
        """Check if task can be retried"""
        return self.retry_count < self.max_retries

    def incrementRetryCount(self):
        """Increment retry count"""
        self.retry_count += 1

    def getFailurePatterns(self) -> list:
        """Analyze failure patterns from failed actions"""
        patterns = []
        for action in self.failed_actions:
            error = action.error.lower() if action.error else ''
            if "timeout" in error:
                patterns.append("timeout_issues")
            elif "document_not_found" in error or "file not found" in error:
                patterns.append("document_reference_issues")
            elif "empty_result" in error or "no content" in error:
                patterns.append("content_extraction_issues")
            elif "invalid_format" in error or "wrong format" in error:
                patterns.append("format_issues")
            elif "permission" in error or "access denied" in error:
                patterns.append("permission_issues")
        return list(set(patterns))