import { app, manager } from '../app.ts';
import { z } from 'zod'
/**
 * 搜索文件
 * query: { q, projectPath?, repo? }
 */
app
  .route({
    path: 'project-search',
    key: 'files',
    description: '在已索引的项目文件中执行全文搜索，支持按仓库、目录、标签等字段过滤，以及自定义排序和数量限制',
    middleware: ['auth-admin'],
    metadata: {
      args: {
        q: z.string().optional().describe('搜索关键词，选填；留空或不传则返回全部文件'),
        // projectPath: z.string().optional().describe('按项目根目录路径过滤，仅返回该项目下的文件，选填'),
        filepath: z.string().optional().describe('按文件绝对路径过滤，选填'),
        repo: z.string().optional().describe('按代码仓库标识过滤（如 owner/repo），选填'),
        title: z.string().optional().describe('按人工标注的标题字段过滤，选填'),
        tags: z.array(z.string()).optional().describe('按人工标注的标签列表过滤，选填'),
        summary: z.string().optional().describe('按人工标注的摘要字段过滤，选填'),
        description: z.string().optional().describe('按人工标注的描述字段过滤，选填'),
        link: z.string().optional().describe('按人工标注的外部链接字段过滤，选填'),
        sort: z.array(z.string()).optional().describe('排序规则数组，格式为 ["字段:asc"] 或 ["字段:desc"]，选填，当 q 为空时默认为 ["projectPath:asc"]'),
        limit: z.number().optional().describe('返回结果数量上限，选填，当 q 为空时默认为 1000'),
        getContent: z.boolean().optional().describe('是否返回文件内容，默认为 false；如果为 true，则在结果中包含 content 字段，内容以 base64 编码返回，适用于前端预览或下载场景'),
        projects: z.array(z.string()).optional().describe('按项目名称列表过滤，选填,默认不穿，只过滤当前工作区的项目'),
      }
    }
  })
  .define(async (ctx) => {
    type SearchQuery = { q?: string; projectPath?: string; filepath?: string; repo?: string; title?: string; tags?: string[]; summary?: string; description?: string; link?: string; sort?: string[]; limit?: number; getContent?: boolean; projects?: string[] }
    let { q, projectPath, filepath, repo, title, tags, summary, description, link, sort, limit, getContent = false, projects } = ctx.query as SearchQuery;
    if (!q) {
      sort = sort ?? ['projectPath:asc'];
      limit = limit ?? 1000;
    }
    let hits: any[] = [];
    const getOnlyProjects = async (projectPaths: string[]) => {
      if (projectPaths.length === 0) return [];
      let searchPromises = projectPaths.map(projectPath => manager.projectSearch.searchFiles(q, { projectPath, filepath, repo, title, tags, summary, description, link, sort, limit, getContent }));
      const results = await Promise.all(searchPromises);
      return results.flat();
    }
    if (!projects || projects.length === 0) {
      // 如果没有指定项目名称列表，则默认搜索当前工作区的所有项目
      const projects = await manager.projectStore.listProjects();
      const projectPaths = projects.filter(p => p.status === 'active').map(p => p.path);
      hits = await getOnlyProjects(projectPaths);
    } else {
      // 如果指定了项目名称列表，则只搜索这些项目, 同时确保这些项目在当前工作区中是存在的
      const _projects = await manager.projectStore.listProjects();
      let _hasProjects = projects.filter(p => _projects.some(_p => _p.path === p));
      hits = await getOnlyProjects(_hasProjects);
    }
    ctx.body = { list: hits };
  })
  .addTo(app);

/**
* 搜索文件
* query: { q, projectPath?, repo? }
*/
app
  .route({
    path: 'project-search',
    key: 'search',
    description: '在已索引的项目文件中执行全文搜索，支持按仓库、目录、标签等字段过滤，以及自定义排序和数量限制',
    middleware: ['auth-admin'],
    metadata: {
      args: {
        q: z.string().optional().describe('搜索关键词，选填；留空或不传则返回全部文件'),
        projectPath: z.string().describe('按项目根目录路径过滤，仅返回该项目下的文件，必填'),
        filepath: z.string().optional().describe('按文件绝对路径过滤，选填'),
        repo: z.string().optional().describe('按代码仓库标识过滤（如 owner/repo），选填'),
        title: z.string().optional().describe('按人工标注的标题字段过滤，选填'),
        tags: z.array(z.string()).optional().describe('按人工标注的标签列表过滤，选填'),
        summary: z.string().optional().describe('按人工标注的摘要字段过滤，选填'),
        description: z.string().optional().describe('按人工标注的描述字段过滤，选填'),
        link: z.string().optional().describe('按人工标注的外部链接字段过滤，选填'),
        sort: z.array(z.string()).optional().describe('排序规则数组，格式为 ["字段:asc"] 或 ["字段:desc"]，选填，当 q 为空时默认为 ["projectPath:asc"]'),
        limit: z.number().optional().describe('返回结果数量上限，选填，当 q 为空时默认为 1000'),
        getContent: z.boolean().optional().describe('是否返回文件内容，默认为 false；如果为 true，则在结果中包含 content 字段，内容以 base64 编码返回，适用于前端预览或下载场景'),
      }
    }
  })
  .define(async (ctx) => {
    type SearchQuery = { q?: string; projectPath?: string; filepath?: string; repo?: string; title?: string; tags?: string[]; summary?: string; description?: string; link?: string; sort?: string[]; limit?: number; getContent?: boolean; projects?: string[] }
    let { q, projectPath, filepath, repo, title, tags, summary, description, link, sort, limit, getContent = false, projects } = ctx.query as SearchQuery;
    if (!q) {
      sort = sort ?? ['projectPath:asc'];
      limit = limit ?? 1000;
    }
    if (!projectPath) {
      ctx.throw(400, 'projectPath 参数不能为空');
      return;
    }
    let hits: any[] = [];
    const getOnlyProjects = async (projectPaths: string[]) => {
      if (projectPaths.length === 0) return [];
      let searchPromises = projectPaths.map(projectPath => manager.projectSearch.searchFiles(q, { projectPath, filepath, repo, title, tags, summary, description, link, sort, limit, getContent }));
      const results = await Promise.all(searchPromises);
      return results.flat();
    }
    hits = await getOnlyProjects([projectPath!]);
    ctx.body = { list: hits };
  })
  .addTo(app);