export const menuTree = [
  {
    id: 'system',
    name: '系统管理',
    path: '/system',
    icon: 'SettingOutlined',
    type: 'menu',
    children: [
      {
        id: 'sys_user',
        name: '用户管理',
        path: '/system/user',
        component: 'system/user/UserList',
        type: 'menu',
        buttons: [
          { code: 'user:add', name: '新增' },
          { code: 'user:edit', name: '修改' },
          { code: 'user:delete', name: '删除' },
          { code: 'user:lock', name: '锁定' },
          { code: 'user:unlock', name: '解锁' },
          { code: 'user:changePwd', name: '密码修改' },
          { code: 'user:resetPwd', name: '密码重置并发送短信' }
        ]
      },
      {
        id: 'sys_role',
        name: '角色管理',
        path: '/system/role',
        component: 'system/role/RoleList',
        type: 'menu',
        buttons: [
          { code: 'role:add', name: '新增' },
          { code: 'role:edit', name: '修改' },
          { code: 'role:delete', name: '删除' }
        ]
      },
      {
        id: 'sys_org',
        name: '机构管理',
        path: '/system/org',
        component: 'system/org/OrgList',
        type: 'menu',
        buttons: [
          { code: 'org:add', name: '新增' },
          { code: 'org:edit', name: '修改' },
          { code: 'org:delete', name: '删除' }
        ]
      }
    ]
  },
  {
    id: 'base_config',
    name: '基础配置',
    path: '/base-config',
    icon: 'AppstoreOutlined',
    type: 'menu',
    children: [
      {
        id: 'base_channel',
        name: '核心企业管理',
        path: '/base-config/channel',
        component: 'base-config/channel/ChannelList',
        type: 'menu',
        buttons: [
          { code: 'channel:add', name: '新增' },
          { code: 'channel:edit', name: '修改' },
          { code: 'channel:delete', name: '删除' }
        ]
      },
      {
        id: 'base_manager',
        name: '客户经理管理',
        path: '/base-config/manager',
        component: 'base-config/manager/ManagerList',
        type: 'menu',
        buttons: [
          { code: 'manager:add', name: '新增' },
          { code: 'manager:edit', name: '修改' },
          { code: 'manager:delete', name: '删除' }
        ]
      }
    ]
  }
]

export function flattenButtons(tree) {
  const codes = []
  function walk(nodes) {
    for (const n of nodes) {
      if (n.buttons) codes.push(...n.buttons.map((b) => b.code))
      if (n.children) walk(n.children)
    }
  }
  walk(tree)
  return codes
}

// 依据角色勾选的 menuIds 集合裁剪菜单树:保留命中节点及其祖先节点(用于渲染路径),
// 同时按 buttonCodeSet 过滤每个节点的按钮列表,实现"页面权限+功能权限"双重收敛。
export function pruneMenuTree(tree, menuIdSet, buttonCodeSet) {
  function walk(nodes) {
    const result = []
    for (const n of nodes) {
      const children = n.children ? walk(n.children) : []
      const selfMatched = menuIdSet.has(n.id)
      if (!selfMatched && children.length === 0) continue
      const buttons = (n.buttons || []).filter((b) => buttonCodeSet.has(b.code))
      result.push({ ...n, children, buttons })
    }
    return result
  }
  return walk(tree)
}