import test from 'node:test'
import assert from 'node:assert/strict'
import { readSource } from './helpers.ts'
import { deleteBlockReason, deleteConfirmMessage, isDeletableUser } from '../src/pages/account/user-delete-model.ts'
import type { AdminUser } from '../src/types/admin.ts'

test('test_task_051_user_delete_normal_primary_path', () => {
  // 正常主路径：非超管且非当前登录账号可删除，确认文案带用户名。
  const row: AdminUser = { id: 3, username: '运营一', role: 'normal' }
  assert.equal(isDeletableUser(row, 1), true)
  assert.equal(deleteBlockReason(row, 1), undefined)
  assert.match(deleteConfirmMessage(row), /运营一/)
})

test('test_task_051_user_delete_normal_variant_input', () => {
  // 正常变体：admin 角色用户亦可删除（仅超管/自己受限）。
  assert.equal(isDeletableUser({ id: 4, username: 'mgr', role: 'admin' }, 1), true)
  assert.equal(deleteConfirmMessage({ id: 4, username: 'mgr', role: 'admin' }), '确定删除用户 "mgr" 吗？')
})

test('test_task_051_user_delete_normal_repeated_operation_is_idempotent', () => {
  // 正常重复：纯函数结果稳定、不改输入。
  const row: AdminUser = { id: 5, username: 'u', role: 'normal' }
  assert.equal(deleteBlockReason(row, 1), deleteBlockReason(row, 1))
  assert.equal(row.role, 'normal')
})

test('test_task_051_user_delete_boundary_empty_input', () => {
  // 边界空值：缺用户行给可操作原因；空用户名不崩溃。
  assert.match(deleteBlockReason(null, 1) || '', /用户/)
  assert.equal(isDeletableUser(null, 1), false)
})

test('test_task_051_user_delete_boundary_single_item', () => {
  // 边界单元素：单条普通用户可删除。
  assert.equal(isDeletableUser({ id: 7, username: 'a', role: 'normal' }, 2), true)
})

test('test_task_051_user_delete_boundary_limit_or_missing_field', () => {
  // 边界上限/缺当前 id：未带当前 id 时仅超管受限。
  assert.equal(isDeletableUser({ id: 8, username: 'b', role: 'normal' }, undefined), true)
  assert.match(deleteBlockReason({ id: 9, username: 'root', role: 'super_admin' }, 1) || '', /超级管理员/)
})

test('test_task_051_user_delete_invalid_input_rejected', () => {
  // 异常输入：不能删自己、不能删超管。
  assert.match(deleteBlockReason({ id: 1, username: 'me', role: 'normal' }, 1) || '', /当前登录/)
  assert.equal(isDeletableUser({ id: 1, username: 'me', role: 'normal' }, 1), false)
  assert.equal(isDeletableUser({ id: 9, username: 'root', role: 'super_admin' }, 2), false)
})

test('test_task_051_user_delete_dependency_failure_returns_actionable_message', () => {
  // 依赖失败/删除走 adapter：页面不再内联 http.delete；users.ts 负责 DELETE + 解包。
  const mod = readSource('src/pages/account/user-delete-model.ts')
  assert.equal(/axios|http\./.test(mod), false, '删除模型保持纯逻辑')
  const page = readSource('src/pages/account/UsersPage.vue')
  assert.match(page, /deleteUser/)
  assert.equal(/http\.delete/.test(page), false, '页面不再内联删除请求')
  const users = readSource('src/api/users.ts')
  assert.match(users, /deleteUser/)
  assert.match(users, /http\.delete/)
  assert.match(users, /api\/admin\/user/)
})