import test from 'node:test'
import assert from 'node:assert/strict'
import { readSource } from './helpers.ts'
import { parseCurrentUser } from '../src/api/session-model.ts'

test('test_task_023_current_user_adapter_normal_primary_path', () => {
  // 正常主路径：Java data:{item} 信封解出当前用户。
  const user = parseCurrentUser({
    success: true,
    data: { item: { id: 1, username: 'admin', role: 'super_admin' } },
  })
  assert.equal(user.id, 1)
  assert.equal(user.username, 'admin')
  assert.equal(user.role, 'super_admin')
})

test('test_task_023_current_user_adapter_normal_variant_input', () => {
  // 正常变体：无 data 的 {item} 信封同样可解。
  const user = parseCurrentUser({ success: true, item: { id: 3, username: '张伟恒', role: 'admin' } })
  assert.equal(user.username, '张伟恒')
  assert.equal(user.role, 'admin')
})

test('test_task_023_current_user_adapter_normal_repeated_operation_is_idempotent', () => {
  // 正常重复：解析不修改输入、结果稳定。
  const payload = { success: true, data: { item: { id: 2, username: 'u', role: 'normal' } } }
  assert.deepEqual(parseCurrentUser(payload), parseCurrentUser(payload))
  assert.deepEqual(payload, { success: true, data: { item: { id: 2, username: 'u', role: 'normal' } } })
})

test('test_task_023_current_user_adapter_boundary_empty_input', () => {
  // 边界空值：响应缺 id 视为无效并抛可操作错误。
  assert.throws(() => parseCurrentUser({ success: true, data: { item: {} } }), /缺少有效 id/)
  assert.throws(() => parseCurrentUser(null), /缺少有效 id|请求失败/)
})

test('test_task_023_current_user_adapter_boundary_single_item', () => {
  // 边界单元素：单用户最小字段即可。
  const user = parseCurrentUser({ data: { item: { id: 9, username: 'root', role: 'super_admin' } } })
  assert.equal(user.username, 'root')
})

test('test_task_023_current_user_adapter_boundary_limit_or_missing_field', () => {
  // 边界上限/缺字段：success=false 被拒绝并带后端 message。
  assert.throws(
    () => parseCurrentUser({ success: false, message: '未登录', code: 401 }),
    /未登录/,
  )
})

test('test_task_023_current_user_adapter_invalid_input_rejected', () => {
  // 异常输入：缺 role/username 不应崩溃；缺 id 拒绝。
  const user = parseCurrentUser({ data: { item: { id: 5, username: '', role: '' } } })
  assert.equal(user.username, '')
  assert.throws(() => parseCurrentUser({ data: { item: { username: 'no-id' } } }), /缺少有效 id/)
})

test('test_task_023_current_user_adapter_dependency_failure_returns_actionable_message', () => {
  // 依赖失败：会话请求适配消费同一解析器；纯解析模块不含 axios 副作用。
  const session = readSource('src/api/session.ts')
  assert.match(session, /parseCurrentUser/)
  const model = readSource('src/api/session-model.ts')
  assert.match(model, /import \{ unwrap \} from '\.\/envelope(?:\.ts)?'/)
})