#!/usr/bin/env python3
"""
Script to standardize all Kanban boards with the 4 default columns:
- ToDo
- In Progress
- Waiting
- Done

This script will:
1. Find all existing Kanban boards
2. Delete all existing columns for each board
3. Create the 4 standard columns in the correct order
"""

import sys
import os
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from sqlmodel import Session, select
from app.database import engine
from app.models import KanbanBoard, KanbanColumn

def standardize_kanban_boards():
    """Standardize all Kanban boards with default columns"""
    with Session(engine) as session:
        # Get all boards
        boards = session.exec(select(KanbanBoard)).all()

        print(f"Found {len(boards)} Kanban boards to standardize")

        default_columns = [
            ("ToDo", 0),
            ("In Progress", 1),
            ("Waiting", 2),
            ("Done", 3)
        ]

        for board in boards:
            print(f"Processing board: {board.name} (ID: {board.id})")

            # Delete all existing columns for this board
            existing_columns = session.exec(
                select(KanbanColumn).where(KanbanColumn.board_id == board.id)
            ).all()

            if existing_columns:
                print(f"  Deleting {len(existing_columns)} existing columns")
                for column in existing_columns:
                    session.delete(column)
                session.commit()

            # Create the 4 standard columns
            print("  Creating 4 standard columns")
            for name, position in default_columns:
                new_column = KanbanColumn(
                    board_id=board.id,
                    name=name,
                    position=position
                )
                session.add(new_column)

            session.commit()
            print(f"  ✓ Board {board.name} standardized")

        print(f"\n✅ Successfully standardized {len(boards)} Kanban boards")
        print("All boards now have the 4 standard columns: ToDo, In Progress, Waiting, Done")

if __name__ == "__main__":
    standardize_kanban_boards()