/**
 * 路由权限别名配置
 *
 * 目标：
 * 1. 把“功能子页”统一映射到实际受控的父菜单/父页面
 * 2. 让 root loader、usePermission、服务端鉴权复用同一套规则
 * 3. 给测试脚本一个稳定的数据源，避免后续继续手工补漏
 *
 * 维护约束文档：
 * - docs/route-alias-guidelines.md
 */

/**
 * @typedef {{
 *   source: string;
 *   target: string;
 *   note: string;
 *   examples: Array<{ input: string; output: string }>;
 * }} RouteAliasEntry
 */

/**
 * @typedef {{
 *   group: string;
 *   note: string;
 *   entries: RouteAliasEntry[];
 * }} RouteAliasGroup
 */

/** @type {RouteAliasGroup[]} */
export const permissionRouteAliasGroups = [
  {
    group: 'legacy-compat',
    note: '兼容历史遗留路由，避免新旧页面并存时出现权限断层。',
    entries: [
      {
        source: '^/reviewsTest(?=/|$)',
        target: '/documents',
        note: '文档评查详情页复用文档模块权限，兼容从文档列表与上传页进入详情的场景。',
        examples: [
          { input: '/reviewsTest', output: '/documents' },
        ],
      },
      {
        source: '^/reviews(?=/|$)',
        target: '/documents',
        note: '旧版评查详情页同样归入文档模块权限，避免历史链接访问被拒绝。',
        examples: [
          { input: '/reviews', output: '/documents' },
        ],
      },
      {
        source: '^/rulesTest/list(?=/|$)',
        target: '/rules',
        note: '旧版规则列表页归入规则管理主菜单权限。',
        examples: [
          { input: '/rulesTest/list', output: '/rules' },
        ],
      },
      {
        source: '^/rulesTest/detail(?=/|$)',
        target: '/rules',
        note: '旧版规则详情页归入规则管理主菜单权限。',
        examples: [
          { input: '/rulesTest/detail', output: '/rules' },
        ],
      },
    ],
  },
  {
    group: 'editor-pages',
    note: '新建/编辑/复制页统一依赖父列表页权限，避免为固定子路由重复配菜单。',
    entries: [
      {
        source: '^/entry-modules/new(?=/|$)',
        target: '/entry-modules',
        note: '入口模块新建/编辑页复用入口模块列表权限。',
        examples: [
          { input: '/entry-modules/new', output: '/entry-modules' },
        ],
      },
      {
        source: '^/document-types/new(?=/|$)',
        target: '/document-types',
        note: '文档类型新建/编辑页复用文档类型列表权限。',
        examples: [
          { input: '/document-types/new', output: '/document-types' },
        ],
      },
      {
        source: '^/config-lists/new(?=/|$)',
        target: '/config-lists',
        note: '配置列表新建/编辑页复用配置列表权限。',
        examples: [
          { input: '/config-lists/new', output: '/config-lists' },
        ],
      },
      {
        source: '^/prompts/new(?=/|$)',
        target: '/prompts',
        note: '提示词新建/编辑/克隆页复用提示词列表权限。',
        examples: [
          { input: '/prompts/new', output: '/prompts' },
        ],
      },
      {
        source: '^/rule-groups/new(?=/|$)',
        target: '/rule-groups',
        note: '旧分组新建/编辑入口已下线，统一回到规则导航页。',
        examples: [
          { input: '/rule-groups/new', output: '/rule-groups' },
        ],
      },
      {
        source: '^/rules/list(?=/|$)',
        target: '/rules',
        note: '评查点列表页优先复用规则管理主菜单权限，兼容后端尚未细分子路由授权的场景。',
        examples: [
          { input: '/rules/list', output: '/rules' },
        ],
      },
      {
        source: '^/rules/new(?=/|$)',
        target: '/rules',
        note: '评查点新建/编辑/复制页复用规则管理主菜单权限。',
        examples: [
          { input: '/rules/new', output: '/rules' },
        ],
      },
      {
        source: '^/rules/sets(?=/|$)',
        target: '/rules',
        note: '旧版规则管理入口复用规则管理主菜单权限，并跳转到新版规则维护页。',
        examples: [
          { input: '/rules/sets', output: '/rules' },
        ],
      },
      {
        source: '^/documents/list(?=/|$)',
        target: '/documents',
        note: '文档列表子页复用文档模块主菜单权限，兼容 Remix 嵌套路由地址。',
        examples: [
          { input: '/documents/list', output: '/documents' },
        ],
      },
      {
        source: '^/documents/edit(?=/|$)',
        target: '/documents',
        note: '文档编辑页复用文档列表权限。',
        examples: [
          { input: '/documents/edit', output: '/documents' },
        ],
      },
    ],
  },
  {
    group: 'module-subpages',
    note: '模块内部的功能页归属到模块入口或父查询页，以维持导航和权限的一致性。',
    entries: [
      {
        source: '^/contract-template/search/results(?=/|$)',
        target: '/contract-template/search',
        note: '搜索结果页复用合同模板搜索页权限。',
        examples: [
          { input: '/contract-template/search/results', output: '/contract-template/search' },
        ],
      },
      {
        source: '^/contract-template/detail(?=/|$)',
        target: '/contract-template/list',
        note: '合同模板详情页复用合同列表权限，兼容父菜单本身不直接授权的场景。',
        examples: [
          { input: '/contract-template/detail/123', output: '/contract-template/list/123' },
        ],
      },
      {
        source: '^/contract-draft(?=/|$)',
        target: '/contract-template/list',
        note: '合同起草页复用合同列表权限，保持与老入口的访问语义一致。',
        examples: [
          { input: '/contract-draft/1', output: '/contract-template/list/1' },
        ],
      },
      {
        source: '^/chat-with-llm/chat(?=/|$)',
        target: '/chat-with-llm',
        note: 'AI 对话实际工作台复用 AI 对话主菜单权限。',
        examples: [
          { input: '/chat-with-llm/chat', output: '/chat-with-llm' },
        ],
      },
      {
        source: '^/chat-with-llm/dataset-manager(?=/|$)',
        target: '/chat-with-llm',
        note: '知识库管理页归属 AI 对话模块，避免隐藏子页权限断层。',
        examples: [
          { input: '/chat-with-llm/dataset-manager', output: '/chat-with-llm' },
        ],
      },
    ],
  },
];

export function listPermissionRouteAliases() {
  return permissionRouteAliasGroups.flatMap(group =>
    group.entries.map(entry => ({
      ...entry,
      group: group.group,
      groupNote: group.note,
      pattern: new RegExp(entry.source),
    })),
  );
}

export function normalizeRoutePathForPermission(pathname) {
  for (const entry of listPermissionRouteAliases()) {
    if (entry.pattern.test(pathname)) {
      return pathname.replace(entry.pattern, entry.target);
    }
  }

  return pathname;
}