const assert = require('node:assert/strict');
const { readFileSync } = require('node:fs');
const { test } = require('node:test');
const vm = require('node:vm');
const ts = require('typescript');

// 页面纵向滚动 + sticky 表头吸顶 + 横向滚动 + 固定列 + 分页。
const files = [
  ['src/components/accounts/MonitoringAccountList.tsx', 1100],
  ['src/components/accounts/AccountManagementList.tsx', 'max-content'],
  ['src/pages/accounts/import.tsx', 1000],
  ['src/pages/network-exits/index.tsx', 1100],
  ['src/pages/gateways/index.tsx', 960],
];

for (const [file, width] of files) {
  const source = ts.createSourceFile(
    file,
    readFileSync(`${__dirname}/../${file}`, 'utf8'),
    ts.ScriptTarget.Latest,
    true,
    ts.ScriptKind.TSX,
  );
  const code = source.getFullText();
  const tables = [];
  function visit(node) {
    if ((ts.isJsxOpeningElement(node) || ts.isJsxSelfClosingElement(node)) && node.tagName.getText(source) === 'Table') tables.push(node);
    ts.forEachChild(node, visit);
  }
  visit(source);

  test(`${file} 保留表头吸顶、分页和固定列`, () => {
    assert.equal(tables.length, 1);
    const props = tables[0].attributes.properties;
    assert.ok(props.some(prop => prop.name?.getText(source) === 'sticky'));
    assert.match(code, /pagination=\{tablePagination\(\)\}/);
    assert.doesNotMatch(code, /pagination=\{false\}/);
    assert.match(code, /\.\.\.fixedLeft</);
    assert.match(code, /\.\.\.fixedRight</);
  });

  test(`${file} 数据多或小屏时仍使用页面纵向滚动，横向滚动不变`, () => {
    const scroll = tables[0].attributes.properties.find(prop => prop.name?.getText(source) === 'scroll');
    assert.ok(scroll?.initializer && ts.isJsxExpression(scroll.initializer));
    const expression = scroll.initializer.expression.getText(source);
    for (const horizontal of [false, true]) {
      for (const height of [480, 1080]) {
        for (const rowCount of [0, 1, 20, 100]) {
          const result = vm.runInNewContext(`(${expression})`, {
            horizontal,
            vertical: rowCount * 48 + 120 >= height - 300 || horizontal,
            tableScroll: (x, y) => ({ x, y }),
          });
          assert.equal(Object.hasOwn(result, 'y'), false, `不应配置 scroll.y（行数 ${rowCount}，高度 ${height}）`);
          assert.equal(result.x, width === 'max-content' ? width : horizontal ? width : undefined);
        }
      }
    }
    assert.doesNotMatch(code, /window\.innerHeight|useOverflowGrid|tableScroll/, '不再保留按高度和行数启用表内滚动的旧路径');
    if (width !== 'max-content') assert.match(code, /!Grid\.useBreakpoint\(\)\.xl/, '横向断点保持 xl');
  });
}

const tableFile = `${__dirname}/../src/utils/table.ts`;
const tableCode = ts.transpileModule(readFileSync(tableFile, 'utf8'), {
  fileName: tableFile,
  compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2022 },
}).outputText;
const tableModule = { exports: {} };
vm.runInNewContext(tableCode, { exports: tableModule.exports }, { filename: tableFile });
const helpers = tableModule.exports;

test('分页仍为每页 20 条，单页隐藏分页条', () => {
  assert.equal(helpers.TABLE_PAGE_SIZE, 20);
  const pagination = helpers.tablePagination();
  assert.equal(pagination.pageSize, 20);
  assert.equal(pagination.hideOnSinglePage, true);
});

test('固定列保留原配置且不修改输入', () => {
  const column = { title: '账号', width: 240 };
  for (const [helper, side] of [[helpers.fixedLeft, 'left'], [helpers.fixedRight, 'right']]) {
    const fixed = helper(column);
    assert.equal(fixed.fixed, side);
    assert.equal(fixed.title, column.title);
    assert.equal(fixed.width, column.width);
    assert.notEqual(fixed, column);
    assert.equal(Object.hasOwn(column, 'fixed'), false);
  }
});

test('移除纵向滚动判断与无必要的滚动包装函数', () => {
  assert.equal(helpers.useOverflowGrid, undefined);
  assert.equal(helpers.tableScroll, undefined);
});