/**
 * P0-00: HTTP client method/body/headers 可信度测试。
 * 运行: node --experimental-strip-types frontend/src/lib/http.test.ts
 *
 * 最小环境 polyfill:Node 22 自带 fetch/AbortController,本测试不触发 401 路径,
 * 故 window.dispatchEvent 不会被调用,无需完整 DOM。
 */
import { test } from 'node:test'
import assert from 'node:assert/strict'

// 最小浏览器环境 polyfill(仅覆盖 http.ts 在 happy path 用到的全局)
const store: Record<string, string> = {}
// @ts-expect-error 测试用最小 window stub
globalThis.window = {
  dispatchEvent: () => false,
  localStorage: {
    getItem: (k: string) => store[k] ?? null,
    setItem: (k: string, v: string) => { store[k] = v },
    removeItem: (k: string) => { delete store[k] },
  },
}

// 捕获每次 fetch 的入参供断言
let lastInit: RequestInit | undefined
globalThis.fetch = async (_url: string, init?: RequestInit) => {
  lastInit = init
  return new Response(JSON.stringify({ ok: true }), { status: 200, headers: { 'content-type': 'application/json' } })
}

const { http } = await import('./http.ts')

test('GET: method=GET, 无 body, 无 Content-Type', async () => {
  await http.get('/api/v1/matches')
  assert.equal(lastInit?.method, 'GET')
  assert.equal(lastInit?.body, undefined)
  assert.equal((lastInit?.headers as Record<string, string>)?.['Content-Type'], undefined)
})

test('POST: method=POST, 序列化 body, 有 Content-Type', async () => {
  await http.post('/api/v1/matches', { a: 1 })
  assert.equal(lastInit?.method, 'POST')
  assert.equal(lastInit?.body, JSON.stringify({ a: 1 }))
  assert.equal((lastInit?.headers as Record<string, string>)?.['Content-Type'], 'application/json')
})

test('POST 空 body: 不设 Content-Type', async () => {
  await http.post('/api/v1/matches', undefined)
  assert.equal(lastInit?.method, 'POST')
  assert.equal(lastInit?.body, undefined)
  assert.equal((lastInit?.headers as Record<string, string>)?.['Content-Type'], undefined)
})

test('PUT: method=PUT, 有 body 与 Content-Type', async () => {
  await http.put('/api/v1/x', { b: 2 })
  assert.equal(lastInit?.method, 'PUT')
  assert.equal(lastInit?.body, JSON.stringify({ b: 2 }))
  assert.equal((lastInit?.headers as Record<string, string>)?.['Content-Type'], 'application/json')
})

test('DELETE: method=DELETE, 无 body, 无 Content-Type', async () => {
  await http.delete('/api/v1/x/1')
  assert.equal(lastInit?.method, 'DELETE')
  assert.equal(lastInit?.body, undefined)
  assert.equal((lastInit?.headers as Record<string, string>)?.['Content-Type'], undefined)
})