import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as taskbuffer from '../ts/index.js';

// Note: Web components can't be tested directly in Node.js environment
// These tests verify the data structures that the web component will consume

// Test that TaskManager can provide data for web component
tap.test('TaskManager should provide metadata for web visualization', async () => {
  const taskManager = new taskbuffer.TaskManager();
  
  // Add a task with steps
  const visualTask = new taskbuffer.Task({
    name: 'VisualizationTest',
    steps: [
      { name: 'load', description: 'Loading data', percentage: 30 },
      { name: 'process', description: 'Processing', percentage: 50 },
      { name: 'render', description: 'Rendering', percentage: 20 },
    ] as const,
    taskFunction: async () => {
      visualTask.notifyStep('load');
      await new Promise(resolve => setTimeout(resolve, 50));
      visualTask.notifyStep('process');
      await new Promise(resolve => setTimeout(resolve, 50));
      visualTask.notifyStep('render');
      return 'Visualization complete';
    },
  });
  
  taskManager.addTask(visualTask);
  
  // Get metadata before execution
  let metadata = taskManager.getTaskMetadata('VisualizationTest');
  expect(metadata).toBeDefined();
  expect(metadata!.name).toEqual('VisualizationTest');
  expect(metadata!.steps).toHaveLength(3);
  expect(metadata!.currentProgress).toEqual(0);
  
  // Execute task
  await visualTask.trigger();
  
  // Get metadata after execution
  metadata = taskManager.getTaskMetadata('VisualizationTest');
  expect(metadata!.currentProgress).toEqual(100);
  expect(metadata!.steps.every(s => s.status === 'completed')).toBeTrue();
});

// Test scheduled task metadata for web display
tap.test('Scheduled tasks should provide next run information', async () => {
  const taskManager = new taskbuffer.TaskManager();
  
  const scheduledTask = new taskbuffer.Task({
    name: 'WebScheduledTask',
    steps: [
      { name: 'run', description: 'Running scheduled task', percentage: 100 },
    ] as const,
    taskFunction: async () => {
      scheduledTask.notifyStep('run');
    },
  });
  
  // Schedule task for every hour
  taskManager.addAndScheduleTask(scheduledTask, '0 * * * *');
  
  // Get scheduled tasks info
  const scheduledTasks = taskManager.getScheduledTasks();
  expect(scheduledTasks).toHaveLength(1);
  expect(scheduledTasks[0].name).toEqual('WebScheduledTask');
  expect(scheduledTasks[0].schedule).toEqual('0 * * * *');
  expect(scheduledTasks[0].nextRun).toBeInstanceOf(Date);
  expect(scheduledTasks[0].steps).toHaveLength(1);
  
  // Clean up
  taskManager.descheduleTaskByName('WebScheduledTask');
  taskManager.stop();
});

// Test data structure compatibility
tap.test('Task metadata should be suitable for web component display', async () => {
  const taskManager = new taskbuffer.TaskManager();
  
  // Add various types of tasks
  const simpleTask = new taskbuffer.Task({
    name: 'SimpleWebTask',
    taskFunction: async () => 'done',
  });
  
  const bufferedTask = new taskbuffer.Task({
    name: 'BufferedWebTask',
    buffered: true,
    bufferMax: 3,
    taskFunction: async () => 'buffered',
  });
  
  const steppedTask = new taskbuffer.Task({
    name: 'SteppedWebTask',
    steps: [
      { name: 'step1', description: 'First step', percentage: 50 },
      { name: 'step2', description: 'Second step', percentage: 50 },
    ] as const,
    taskFunction: async () => {
      steppedTask.notifyStep('step1');
      steppedTask.notifyStep('step2');
    },
  });
  
  taskManager.addTask(simpleTask);
  taskManager.addTask(bufferedTask);
  taskManager.addTask(steppedTask);
  
  // Get all metadata
  const allMetadata = taskManager.getAllTasksMetadata();
  expect(allMetadata).toHaveLength(3);
  
  // Verify metadata structure
  allMetadata.forEach(meta => {
    expect(meta.name).toBeDefined();
    expect(meta.status).toBeDefined();
    expect(meta.runCount).toBeDefined();
    expect(meta.steps).toBeDefined();
    expect(Array.isArray(meta.steps)).toBeTrue();
    expect(meta.currentProgress).toBeDefined();
    expect(typeof meta.currentProgress).toEqual('number');
  });
  
  // Verify buffered task metadata
  const bufferedMeta = allMetadata.find(m => m.name === 'BufferedWebTask');
  expect(bufferedMeta!.buffered).toBeTrue();
  expect(bufferedMeta!.bufferMax).toEqual(3);
  
  // Verify stepped task metadata
  const steppedMeta = allMetadata.find(m => m.name === 'SteppedWebTask');
  expect(steppedMeta!.steps).toHaveLength(2);
  steppedMeta!.steps.forEach(step => {
    expect(step.name).toBeDefined();
    expect(step.description).toBeDefined();
    expect(step.percentage).toBeDefined();
    expect(step.status).toBeDefined();
  });
});

export default tap.start();