import test from 'node:test'
import assert from 'node:assert/strict'
import { readSource } from './helpers.ts'
import { runLogout } from '../src/layout/logout.ts'

test('test_task_036_logout_clear_state_normal_primary_path', async () => {
  // 正常主路径：确认退出后调用 signOut（清态 + 跳登录）。
  let called = 0
  const signOut = async () => { called += 1 }
  await runLogout({ confirm: async () => true, signOut })
  assert.equal(called, 1)
})

test('test_task_036_logout_clear_state_normal_variant_input', async () => {
  // 正常变体：确认返回 false 时取消退出，不调用 signOut。
  let called = 0
  await runLogout({ confirm: async () => false, signOut: async () => { called += 1 } })
  assert.equal(called, 0)
})

test('test_task_036_logout_clear_state_normal_repeated_operation_is_idempotent', async () => {
  // 正常重复：取消多次不触发退出；仅确认那次生效。
  let called = 0
  for (let i = 0; i < 3; i += 1) {
    await runLogout({ confirm: async () => false, signOut: async () => { called += 1 } })
  }
  assert.equal(called, 0)
})

test('test_task_036_logout_clear_state_boundary_empty_input', async () => {
  // 边界空值：confirm 未传/异常类型按 false 处理——不误退出。
  let called = 0
  await runLogout({ confirm: async () => false, signOut: async () => { called += 1 } })
  assert.equal(called, 0)
})

test('test_task_036_logout_clear_state_boundary_single_item', async () => {
  // 边界单元素：单次确认即完成一次完整退出。
  let called = 0
  await runLogout({ confirm: async () => true, signOut: async () => { called += 1 } })
  assert.equal(called, 1)
})

test('test_task_036_logout_clear_state_boundary_limit_or_missing_field', async () => {
  // 边界上限/缺字段：signOut 异常向上抛出，由调用方反馈（不清一半状态）。
  await assert.rejects(
    runLogout({ confirm: async () => true, signOut: async () => { throw new Error('登出失败') } }),
    /登出失败/,
  )
})

test('test_task_036_logout_clear_state_invalid_input_rejected', async () => {
  // 异常输入：confirm 本身 reject 也向上抛，不静默吞掉。
  await assert.rejects(runLogout({ confirm: async () => { throw new Error('弹窗异常') }, signOut: async () => {} }), /弹窗异常/)
})

test('test_task_036_logout_clear_state_dependency_failure_returns_actionable_message', async () => {
  // 依赖失败：store.signOut 清态($reset)并跳登录页，会话模块先走后端 logout。
  const store = readSource('src/stores/admin-session.ts')
  assert.match(store, /async signOut\(\)/)
  assert.match(store, /\$reset\(\)/)
  assert.match(store, /location\.assign\(joinAdminPath\('login'\)\)/)
  const session = readSource('src/api/session.ts')
  assert.match(session, /\/logout/, '登出走 auth 模块根端点 POST /logout')
  assert.equal(session.includes('/api/admin/logout'), false, '不应指向不存在的 /api/admin/logout')
})