#!/usr/bin/env python3
"""
Script to create Kanban boards for all existing channels that don't have one yet.
This ensures all channels have their own Kanban board with the 4 standard columns.
"""

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 Channel, KanbanBoard, KanbanColumn

def create_kanban_boards_for_existing_channels():
    """Create Kanban boards for all channels that don't have one"""
    with Session(engine) as session:
        # Get all channels
        channels = session.exec(select(Channel)).all()

        print(f"Found {len(channels)} channels")

        # Check which channels already have boards
        boards = session.exec(select(KanbanBoard)).all()
        channels_with_boards = set([board.channel_id for board in boards])

        channels_without_boards = [
            channel for channel in channels
            if channel.id not in channels_with_boards
        ]

        print(f"Found {len(channels_without_boards)} channels without Kanban boards")

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

        for channel in channels_without_boards:
            print(f"Creating Kanban board for channel: {channel.name} (ID: {channel.id})")

            # Create the board
            kanban_board = KanbanBoard(
                channel_id=channel.id,
                name=f"Kanban Board"
            )

            session.add(kanban_board)
            session.commit()
            session.refresh(kanban_board)

            # Create the 4 standard columns
            for name, position in default_columns:
                column = KanbanColumn(
                    board_id=kanban_board.id,
                    name=name,
                    position=position
                )
                session.add(column)

            session.commit()
            print(f"  ✓ Created Kanban board with 4 standard columns for channel {channel.name}")

        print(f"\n✅ Successfully created Kanban boards for {len(channels_without_boards)} channels")
        print("All channels now have their own Kanban board with the 4 standard columns: ToDo, In Progress, Waiting, Done")

if __name__ == "__main__":
    create_kanban_boards_for_existing_channels()