#!/usr/bin/env python3
"""
Demo showing cancelled task workflow with Godspeed sync.
"""

import tempfile
from pathlib import Path


def demo_cancelled_workflow():
    print("=== Godspeed Cancelled Task Workflow Demo ===\n")

    from src.services.godspeed.sync import GodspeedSync

    with tempfile.TemporaryDirectory() as temp_dir:
        sync_dir = Path(temp_dir)
        sync_engine = GodspeedSync(None, sync_dir)

        print("📝 Scenario: Managing a project with tasks that get cancelled")
        print("=" * 65)

        # Initial tasks
        print("\n1. Initial project tasks in markdown:")
        initial_tasks = [
            ("task1", "incomplete", "Design new feature", ""),
            ("task2", "incomplete", "Get approval from stakeholders", ""),
            ("task3", "incomplete", "Implement feature", ""),
            ("task4", "incomplete", "Write documentation", ""),
            ("task5", "incomplete", "Deploy to production", ""),
        ]

        project_file = sync_dir / "New_Feature_Project.md"
        sync_engine._write_list_file(project_file, initial_tasks)

        with open(project_file, "r") as f:
            print(f.read())

        print("2. Project update - some tasks completed, one cancelled:")
        print("-" * 58)

        # Simulate project evolution
        updated_content = """- [x] Design new feature <!-- id:task1 -->
- [-] Get approval from stakeholders <!-- id:task2 -->
  Stakeholders decided to cancel this feature
- [-] Implement feature <!-- id:task3 -->
  No longer needed since feature was cancelled
- [-] Write documentation <!-- id:task4 -->
  Documentation not needed for cancelled feature
- [-] Deploy to production <!-- id:task5 -->
  Cannot deploy cancelled feature
- [ ] Archive project files <!-- id:task6 -->
  New cleanup task
"""

        with open(project_file, "w") as f:
            f.write(updated_content)

        print(updated_content)

        # Parse the changes
        updated_tasks = sync_engine._read_list_file(project_file)

        print("3. What would sync to Godspeed API:")
        print("-" * 36)

        api_calls = []
        for local_id, status, title, notes in updated_tasks:
            if status == "complete":
                api_calls.append(
                    f"PATCH /tasks/{local_id} {{'is_complete': True, 'is_cleared': False}}"
                )
                print(f"  ✅ COMPLETE: {title}")
            elif status == "cleared":
                api_calls.append(
                    f"PATCH /tasks/{local_id} {{'is_complete': True, 'is_cleared': True}}"
                )
                print(f"  ❌ CANCEL: {title}")
                if notes:
                    print(f"     Reason: {notes}")
            elif local_id == "task6":  # New task
                api_calls.append(
                    f"POST /tasks {{'title': '{title}', 'list_id': 'project-list'}}"
                )
                print(f"  ➕ NEW: {title}")
            else:
                print(f"  ⏳ INCOMPLETE: {title}")

        print(f"\n4. API calls that would be made ({len(api_calls)} total):")
        print("-" * 49)
        for call in api_calls:
            print(f"  {call}")

        print("\n5. Next sync download behavior:")
        print("-" * 32)
        print("  When downloading from Godspeed API:")
        print("  • Only incomplete tasks appear in local files")
        print("  • Completed and cancelled tasks are hidden")
        print("  • This keeps your local markdown files clean")
        print(f"  • Current file would only show: 'Archive project files'")

        print("\n✨ Benefits of this workflow:")
        print("  • Clear visual distinction: [-] for cancelled vs [x] for completed")
        print("  • Cancelled tasks sync to Godspeed's 'cleared' status")
        print("  • Completed/cancelled tasks auto-hide on next download")
        print("  • Notes explain why tasks were cancelled")
        print("  • Clean local files focused on active work")


if __name__ == "__main__":
    demo_cancelled_workflow()