import test from 'node:test'
import assert from 'node:assert/strict'
import { readSource } from './helpers.ts'
import { selectableResultRows, shopDataPageInfo } from '../src/pages/tasks/shop-data-list-state.ts'

test('test_task_111_shop_data_page_normal_primary_path', () => {
  // 正常主路径：分页信息派生(页码/首末/前后页)。
  const info = shopDataPageInfo(2, 20, 55)
  assert.equal(info.page, 2)
  assert.equal(info.totalPages, 3)
  assert.equal(info.from, 21)
  assert.equal(info.to, 40)
  assert.equal(info.hasPrev, true)
  assert.equal(info.hasNext, true)
})

test('test_task_111_shop_data_page_normal_variant_input', () => {
  // 正常变体：末页边界。
  const info = shopDataPageInfo(3, 20, 55)
  assert.equal(info.page, 3)
  assert.equal(info.to, 55)
  assert.equal(info.hasNext, false)
})

test('test_task_111_shop_data_page_repeated_is_idempotent', () => {
  // 正常重复：分页计算稳定。
  assert.deepEqual(shopDataPageInfo(1, 20, 10), shopDataPageInfo(1, 20, 10))
})

test('test_task_111_shop_data_page_boundary_empty_input', () => {
  // 边界空值：空列表回第 1 页空态。
  const info = shopDataPageInfo(1, 20, 0)
  assert.equal(info.totalPages, 1)
  assert.equal(info.page, 1)
  assert.equal(info.to, 0)
})

test('test_task_111_shop_data_page_boundary_single_item', () => {
  // 边界单元素：单组单行可选结果派生。
  const rows = selectableResultRows([{ results: [{ resultId: '5' }] } as never])
  assert.equal(rows.length, 1)
  assert.equal(rows[0], '5')
})

test('test_task_111_shop_data_page_boundary_limit_or_missing_field', () => {
  // 边界上限/缺字段：页码越界钳到末页；无结果组不产出行。
  const info = shopDataPageInfo(99, 20, 55)
  assert.equal(info.page, 3)
  assert.deepEqual(selectableResultRows([]), [])
})

test('test_task_111_shop_data_page_invalid_input_rejected', () => {
  // 异常输入：NaN 页码按第 1 页处理。
  const info = shopDataPageInfo(Number.NaN, 20, 10)
  assert.equal(info.page, 1)
  assert.equal(info.from, 1)
})

test('test_task_111_shop_data_page_dependency_failure_returns_actionable_message', () => {
  // 依赖失败/可操作：分页状态纯逻辑、无框架/http。
  const mod = readSource('src/pages/tasks/shop-data-list-state.ts')
  assert.equal(/axios|http\.|vue/.test(mod), false, '分页状态保持纯逻辑')
  assert.match(mod, /selectableResultRows/)
})