import test from 'node:test'
import assert from 'node:assert/strict'
import { readSource } from './helpers.ts'
import {
  allCardsSelected,
  clearVideoSelection,
  countVideoSelection,
  partialCardsSelected,
  videoSelectionAdd,
  videoSelectionRemove,
  videoSelectionToggle,
} from '../src/pages/tasks/image-video-selection.ts'

test('test_task_105_video_selection_normal_primary_path', () => {
  // 正常主路径：切换单卡选择(加/减)结果正确。
  const s1 = videoSelectionToggle(new Set(), '11:0')
  assert.equal(countVideoSelection(s1), 1)
  assert.ok(s1.has('11:0'))
  const s2 = videoSelectionToggle(s1, '11:0')
  assert.equal(countVideoSelection(s2), 0, '再次切换取消选择')
})

test('test_task_105_video_selection_normal_variant_input', () => {
  // 正常变体：批量添加多卡。
  const s = videoSelectionAdd(new Set(), ['11:0', '12:1', '11:0'])
  assert.equal(countVideoSelection(s), 2, '重复键不重复计数')
  assert.ok(s.has('12:1'))
})

test('test_task_105_video_selection_repeated_is_idempotent', () => {
  // 正常重复：同一键重复添加幂等；操作不污染入参。
  const input = new Set(['a'])
  assert.deepEqual(videoSelectionAdd(input, ['a']), new Set(['a']))
  assert.deepEqual([...input], ['a'])
})

test('test_task_105_video_selection_boundary_empty_input', () => {
  // 边界空值：空选择计数为 0，全不选。
  assert.equal(countVideoSelection(new Set()), 0)
  assert.equal(allCardsSelected(new Set(), ['a', 'b']), false)
})

test('test_task_105_video_selection_boundary_single_item', () => {
  // 边界单元素：仅一卡时选中=全选。
  assert.equal(allCardsSelected(new Set(['a']), ['a']), true)
  assert.equal(partialCardsSelected(new Set(['a']), ['a']), false)
})

test('test_task_105_video_selection_boundary_limit_or_missing_field', () => {
  // 边界上限/缺字段：移除未选键为无操作。
  const s = videoSelectionRemove(new Set(['a']), ['x'])
  assert.deepEqual([...s], ['a'])
})

test('test_task_105_video_selection_invalid_input_rejected', () => {
  // 异常输入：空字符串键被忽略。
  const s = videoSelectionToggle(new Set(), '')
  assert.equal(countVideoSelection(s), 0)
  assert.deepEqual([...clearVideoSelection()], [])
})

test('test_task_105_video_selection_dependency_failure_returns_actionable_message', () => {
  // 依赖失败/可操作：选择状态纯逻辑、无框架/http。
  const mod = readSource('src/pages/tasks/image-video-selection.ts')
  assert.equal(/axios|http\.|vue/.test(mod), false, '选择模块保持纯逻辑')
  assert.match(mod, /partialCardsSelected/)
})