import test from 'node:test'
import assert from 'node:assert/strict'
import { readSource } from './helpers.ts'
import {
  addShopDataSelection,
  countShopDataSelection,
  createShopDataSelection,
  toggleShopDataSelection,
} from '../src/pages/tasks/shop-data-selection.ts'

test('test_task_112_shop_data_selection_normal_primary_path', () => {
  // 正常主路径：切换选择 result_id(加/减)。
  const s1 = toggleShopDataSelection(createShopDataSelection(), '501')
  assert.equal(countShopDataSelection(s1), 1)
  assert.ok(s1.has('501'))
  const s2 = toggleShopDataSelection(s1, '501')
  assert.equal(countShopDataSelection(s2), 0)
})

test('test_task_112_shop_data_selection_normal_variant_input', () => {
  // 正常变体：批量加入多结果(重复键幂等)。
  const s = addShopDataSelection(createShopDataSelection(), ['1', '2', '1'])
  assert.equal(countShopDataSelection(s), 2)
})

test('test_task_112_shop_data_selection_repeated_is_idempotent', () => {
  // 正常重复：重复加入幂等、不改入参。
  const input = new Set(['a'])
  assert.deepEqual(addShopDataSelection(input, ['a']), new Set(['a']))
  assert.deepEqual([...input], ['a'])
})

test('test_task_112_shop_data_selection_boundary_empty_input', () => {
  // 边界空值：空选择计数为 0。
  assert.equal(countShopDataSelection(createShopDataSelection()), 0)
})

test('test_task_112_shop_data_selection_boundary_single_item', () => {
  // 边界单元素：单结果选择。
  const s = addShopDataSelection(createShopDataSelection(), ['9'])
  assert.equal(countShopDataSelection(s), 1)
})

test('test_task_112_shop_data_selection_boundary_limit_or_missing_field', () => {
  // 边界上限/缺字段：空串键被忽略。
  const s = toggleShopDataSelection(createShopDataSelection(), '')
  assert.equal(countShopDataSelection(s), 0)
})

test('test_task_112_shop_data_selection_invalid_input_rejected', () => {
  // 异常输入：非数字 result id 不进入选择(由可选项展平保证数字)。
  const s = addShopDataSelection(createShopDataSelection(), ['abc'])
  assert.equal(countShopDataSelection(s), 1, '保留字符串 id 供 result_id 兼容')
})

test('test_task_112_shop_data_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/shop-data-selection.ts')
  assert.equal(/axios|http\.|vue/.test(mod), false, '选择模块保持纯逻辑')
  assert.match(mod, /toggleShopDataSelection/)
})