"""
Task-related routes for the Podcastrr application.
"""
import logging
from flask import Blueprint, jsonify, request, current_app, render_template
from app.services.task_manager import task_manager, TaskStatus

# Set up logging
logger = logging.getLogger(__name__)

tasks_bp = Blueprint('tasks', __name__)

@tasks_bp.route('/tasks', methods=['GET'])
def view_tasks():
    """
    Render the tasks page showing task history and in-progress tasks.
    """
    tasks = task_manager.get_all_tasks()

    # Separate tasks by status
    running_tasks = [task for task in tasks if task.status == TaskStatus.RUNNING or task.status == TaskStatus.PENDING]
    completed_tasks = [task for task in tasks if task.status == TaskStatus.COMPLETED]
    failed_tasks = [task for task in tasks if task.status == TaskStatus.FAILED]

    # Sort tasks by created_at (newest first)
    running_tasks.sort(key=lambda x: x.created_at, reverse=True)
    completed_tasks.sort(key=lambda x: x.completed_at or x.created_at, reverse=True)
    failed_tasks.sort(key=lambda x: x.completed_at or x.created_at, reverse=True)

    return render_template('tasks/index.html', 
                          running_tasks=running_tasks,
                          completed_tasks=completed_tasks,
                          failed_tasks=failed_tasks)

@tasks_bp.route('/api/tasks', methods=['GET'])
def get_tasks():
    """
    Get all tasks or filter by status.
    """
    status = request.args.get('status')
    tasks = task_manager.get_all_tasks()

    if status:
        tasks = [task for task in tasks if task.status.value == status]

    return jsonify({
        'tasks': [task.to_dict() for task in tasks]
    })

@tasks_bp.route('/api/tasks/<task_id>', methods=['GET'])
def get_task(task_id):
    """
    Get a specific task by ID.
    """
    task = task_manager.get_task(task_id)

    if not task:
        return jsonify({'error': 'Task not found'}), 404

    return jsonify(task.to_dict())

@tasks_bp.route('/api/tasks/clean', methods=['POST'])
def clean_tasks():
    """
    Clean up old completed or failed tasks.
    """
    max_age = request.json.get('max_age_seconds', 3600) if request.json else 3600
    count = task_manager.clean_old_tasks(max_age)

    return jsonify({
        'message': f'Cleaned up {count} old tasks',
        'count': count
    })