#!/usr/bin/env python3
"""
Script to create the Deadline Reminder workflow
This workflow sends reminder emails when deadlines are approaching (within 7 days)
"""
import asyncio
import sys
import os

# Add the project root to Python path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))

from sqlalchemy.orm import Session
from app.database.base import get_db
from app.models.document_workflows import (
    DocumentWorkflow, WorkflowAction, WorkflowTriggerType, 
    WorkflowActionType, WorkflowStatus
)


def create_deadline_reminder_workflow():
    """Create the Deadline Reminder workflow"""
    
    # Get database session
    db = next(get_db())
    
    try:
        # Check if workflow already exists
        existing = db.query(DocumentWorkflow).filter(
            DocumentWorkflow.name == "Deadline Reminder"
        ).first()
        
        if existing:
            print(f"Workflow 'Deadline Reminder' already exists with ID {existing.id}")
            return existing
        
        # Create the workflow
        workflow = DocumentWorkflow(
            name="Deadline Reminder",
            description="Send reminder email when deadline approaches (within 7 days)",
            trigger_type=WorkflowTriggerType.DEADLINE_APPROACHING,
            trigger_conditions={
                "type": "simple",
                "field": "data.days_until_deadline",
                "operator": "less_equal",
                "value": 7
            },
            delay_minutes=0,  # Execute immediately
            max_retries=2,
            retry_delay_minutes=60,
            timeout_minutes=30,
            priority=7,  # High priority for deadlines
            category="DEADLINE_MANAGEMENT",
            tags=["deadline", "reminder", "email", "notification"],
            status=WorkflowStatus.ACTIVE,
            created_by="system"
        )
        
        db.add(workflow)
        db.flush()  # Get the workflow ID
        
        # Create the email action
        action = WorkflowAction(
            workflow_id=workflow.id,
            action_type=WorkflowActionType.SEND_EMAIL,
            action_order=1,
            action_name="Send Deadline Reminder Email",
            email_recipients=["attorney", "client"],
            email_subject_template="Reminder: {{DEADLINE_TITLE}} due in {{DAYS_REMAINING}} days",
            continue_on_failure=False,
            parameters={
                "email_template": "deadline_reminder",
                "include_attachments": False,
                "priority": "high",
                "email_body_template": """
Dear {{CLIENT_FULL}},

This is a friendly reminder that the following deadline is approaching:

Deadline: {{DEADLINE_TITLE}}
Due Date: {{DEADLINE_DATE}}
Days Remaining: {{DAYS_REMAINING}}
File Number: {{FILE_NO}}
Matter: {{MATTER}}

Please contact our office if you have any questions or need assistance.

Best regards,
{{ATTORNEY_NAME}}
{{FIRM_NAME}}
                """.strip()
            }
        )
        
        db.add(action)
        db.commit()
        
        print(f"✅ Successfully created 'Deadline Reminder' workflow:")
        print(f"   - Workflow ID: {workflow.id}")
        print(f"   - Action ID: {action.id}")
        print(f"   - Trigger: Deadline approaching (≤ 7 days)")
        print(f"   - Action: Send email to attorney and client")
        print(f"   - Recipients: attorney, client")
        print(f"   - Subject: Reminder: {{DEADLINE_TITLE}} due in {{DAYS_REMAINING}} days")
        
        return workflow
        
    except Exception as e:
        db.rollback()
        print(f"❌ Error creating deadline reminder workflow: {str(e)}")
        raise
    finally:
        db.close()


if __name__ == "__main__":
    workflow = create_deadline_reminder_workflow()