import { Controller, Get, Post, Patch, Delete, Body, Param, Query } from '@nestjs/common';
import { ApiTags, ApiOperation, ApiResponse } from '@nestjs/swagger';
import { KnowledgeBaseService } from './knowledge-base.service';
import { CurrentUser } from '../../common/decorators/current-user.decorator';
import { PaginationDto } from '../../common/dto/pagination.dto';
import type { UserPayload } from '../../common/types';

@ApiTags('knowledge-base')
@Controller('knowledge-bases')
export class KnowledgeBaseController {
  constructor(private readonly service: KnowledgeBaseService) {}

  @Post()
  @ApiOperation({ summary: '创建知识库' })
  async create(@CurrentUser() user: UserPayload, @Body() dto: any) {
    return this.service.create(String(user?.id || 'anonymous'), dto);
  }

  @Get()
  @ApiOperation({ summary: '获取知识库列表' })
  async findAll(@CurrentUser() user: UserPayload, @Query() pagination: PaginationDto) {
    return this.service.findAll(String(user?.id || 'anonymous'), pagination);
  }

  @Get(':id')
  @ApiOperation({ summary: '获取知识库详情' })
  async findOne(@CurrentUser() user: UserPayload, @Param('id') id: string) {
    return this.service.findOne(String(user?.id || 'anonymous'), id);
  }

  @Patch(':id')
  @ApiOperation({ summary: '更新知识库' })
  async update(@CurrentUser() user: UserPayload, @Param('id') id: string, @Body() dto: any) {
    return this.service.update(String(user?.id || 'anonymous'), id, dto);
  }

  @Delete(':id')
  @ApiOperation({ summary: '删除知识库' })
  async remove(@CurrentUser() user: UserPayload, @Param('id') id: string) {
    return this.service.remove(String(user?.id || 'anonymous'), id);
  }

  // ── Folder CRUD ──

  @Get(':id/folders')
  @ApiOperation({ summary: '获取知识库文件夹列表' })
  async folders(@Param('id') id: string) {
    return this.service.getFolders(id);
  }

  @Post(':id/folders')
  @ApiOperation({ summary: '创建文件夹' })
  async createFolder(@Param('id') id: string, @Body() dto: { name: string; parentId?: string }) {
    return this.service.createFolder(id, dto);
  }

  @Patch(':id/folders/:folderId')
  @ApiOperation({ summary: '更新文件夹' })
  async updateFolder(@Param('folderId') folderId: string, @Body() dto: { name?: string; parentId?: string }) {
    return this.service.updateFolder(folderId, dto);
  }

  @Delete(':id/folders/:folderId')
  @ApiOperation({ summary: '删除文件夹（含子文件夹）' })
  async deleteFolder(@Param('folderId') folderId: string) {
    return this.service.deleteFolder(folderId);
  }
}