import { test } from 'node:test'
import assert from 'node:assert/strict'
import { resetUserTokenBridgeStateForTest, syncUserTokenToBridge } from '../src/shared/auth/user-token-bridge.ts'
import type { TokenPushTarget } from '../src/shared/auth/user-token-bridge.ts'

function collector() {
  const pushed: string[] = []
  return {
    target: { push: (value: string) => pushed.push(value) } as TokenPushTarget,
    pushed,
  }
}

test('令牌变化时推送，重复值不重复推送', () => {
  resetUserTokenBridgeStateForTest()
  const { target, pushed } = collector()

  assert.equal(syncUserTokenToBridge('abc', target), true)
  assert.equal(syncUserTokenToBridge('abc', target), false, '同值不重复推送')
  assert.equal(syncUserTokenToBridge(' def ', target), true, '去空白后不同则推送')
  assert.deepEqual(pushed, ['abc', 'def'])
})

test('登出推空串以清空 Python 侧令牌', () => {
  resetUserTokenBridgeStateForTest()
  const { target, pushed } = collector()

  syncUserTokenToBridge('abc', target)
  assert.equal(syncUserTokenToBridge('', target), true)
  assert.deepEqual(pushed, ['abc', ''])
})

test('没有可用的桥时返回 false 且不记录状态（后续有桥仍会推送）', () => {
  resetUserTokenBridgeStateForTest()
  const { target, pushed } = collector()

  assert.equal(syncUserTokenToBridge('abc', null), false, '无桥不推送')
  assert.equal(syncUserTokenToBridge('abc', target), true, '之后有桥仍推送')
  assert.deepEqual(pushed, ['abc'])
})

test('推送目标抛异常时返回 false', () => {
  resetUserTokenBridgeStateForTest()
  const throwing: TokenPushTarget = {
    push: () => {
      throw new Error('bridge down')
    },
  }

  assert.equal(syncUserTokenToBridge('abc', throwing), false)
})