// #region ActivityStore [C:2] [TYPE Store] [SEMANTICS activity, store, derived, task-count, badge]
// @BRIEF Derived store that counts active running tasks for navbar indicator badge.

// #region activity:Store [TYPE Function]
// @PURPOSE: Track active task count for navbar indicator
// @LAYER UI
// @RELATION DEPENDS_ON -> [EXT:frontend:taskDrawer]

import { derived } from 'svelte/store';
import { taskDrawerStore } from './taskDrawer.js';

/**
 * Derived store that counts active tasks
 * @UX_STATE: Idle -> No active tasks, badge hidden
 * @UX_STATE: Active -> Badge shows count of running tasks
 */
export const activityStore = derived(taskDrawerStore, ($drawer) => {
  const activeCount = Object.values($drawer.resourceTaskMap)
    .filter(t => t.status === 'RUNNING').length;
  
  console.log(`[EXT:frontend:activityStore][State] Active count: ${activeCount}`);
  
  return {
    activeCount,
    recentTasks: Object.entries($drawer.resourceTaskMap)
      .map(([resourceId, taskInfo]) => ({
        taskId: taskInfo.taskId,
        resourceId,
        status: taskInfo.status
      }))
      .slice(-5) // Last 5 tasks
  };
});

// #endregion activity:Store
// #endregion ActivityStore