import type { PropertyRow } from './types'
import { describe, expect, it } from 'vitest'
import { toBlockViews } from '../../../src/codeReader/blockView'
import { createPythonAdapter } from '../../../src/codeReader/languages/python'
import { WASM_DIR, withBlocks } from '../../../src/codeReader/testSupport'
import { pythonZhTranslator } from '../../../src/codeReader/translators/pythonZh'
import { subRowsLayout, tableCells, tableTemplate } from './subRows'

const x = { text: 'x', role: 'variable' as const, offset: 4 }

describe('属性行下面的子行怎么排', () => {
  it('给了列名的排成表格，没给的排成列表，没有子行的不展开', () => {
    const items = [{ cells: [[x], []] }]
    expect(subRowsLayout({ label: '输入参数', value: [], items, columns: ['名称', '类型', '默认值'] })).toBe('table')
    expect(subRowsLayout({ label: '导入项', value: [], items })).toBe('list')
    expect(subRowsLayout({ label: '输入参数', value: [], items: [], columns: ['名称', '类型', '默认值'] })).toBeUndefined()
    expect(subRowsLayout({ label: '名称', value: [x] })).toBeUndefined()
  })

  it('表格的格子按列名的列数取：少给的留空，多给的不显示', () => {
    expect(tableCells({ cells: [[x]] }, ['名称', '类型', '默认值'])).toEqual([[x], [], []])
    expect(tableCells({ cells: [[x], [x], [x], [x]] }, ['名称', '类型'])).toEqual([[x], [x]])
  })

  it('表格的列宽按整列内容定：前几列最宽到不换行，最后一列分剩下的、至少留一段', () => {
    expect(tableTemplate(2)).toBe('minmax(0, max-content) minmax(min(20%, 8em), 1fr)')
    expect(tableTemplate(4)).toBe('minmax(0, max-content) minmax(0, max-content) minmax(0, max-content) minmax(min(20%, 8em), 1fr)')
  })

  it('真实的 Python 函数：输入参数排成表格，导入项、字典的各项排成列表', async () => {
    const source = [
      'from m import a',
      'def f(k: int, v=1): pass',
      'D = {"k": 1}',
    ].join('\n')
    const py = createPythonAdapter(WASM_DIR)
    const views = await withBlocks(py, 'python', source, blocks => toBlockViews(blocks, { source, language: py, markers: [] }, pythonZhTranslator))
    const layouts = views.flatMap(view => 'properties' in view ? view.properties.flatMap((row: PropertyRow) => subRowsLayout(row) ? [[row.label, subRowsLayout(row)]] : []) : [])
    expect(layouts).toEqual([['导入项', 'list'], ['输入参数', 'table'], ['值', 'list']])
  })
})