import { createRoute, OpenAPIHono } from '@hono/zod-openapi';
import { z } from '@hono/zod-openapi';
import { AppDataSource } from '@/server/data-source';
import { PostService } from '@/server/modules/posts/post.service';
import { UpdatePostDto, PostSchema } from '@/server/modules/posts/post.entity';
import { AuthContext } from '@/server/types/context';
import { authMiddleware } from '@/server/middleware/auth.middleware';
import { ErrorSchema } from '@/server/utils/errorHandler';

// 参数Schema
const ParamsSchema = z.object({
  id: z.coerce.number().int().positive().openapi({
    param: { name: 'id', in: 'path' },
    example: 1,
    description: '帖子ID'
  })
});

// 路由定义
const routeDef = createRoute({
  method: 'put',
  path: '/{id}',
  middleware: [authMiddleware],
  request: {
    params: ParamsSchema,
    body: {
      content: {
        'application/json': { schema: UpdatePostDto }
      }
    }
  },
  responses: {
    200: {
      description: '成功更新帖子',
      content: { 'application/json': { schema: PostSchema } }
    },
    400: {
      description: '请求参数错误',
      content: { 'application/json': { schema: ErrorSchema } }
    },
    404: {
      description: '帖子不存在或没有权限',
      content: { 'application/json': { schema: ErrorSchema } }
    },
    500: {
      description: '服务器错误',
      content: { 'application/json': { schema: ErrorSchema } }
    }
  }
});

// 路由实现
const app = new OpenAPIHono<AuthContext>().openapi(routeDef, async (c) => {
  try {
    const { id } = c.req.valid('param');
    const data = await c.req.json();
    const user = c.get('user');
    const postService = new PostService(AppDataSource);
    
    const result = await postService.updatePost(id, user.id, data);
    if (!result) {
      return c.json({ code: 404, message: '帖子不存在或没有权限' }, 404);
    }
    
    return c.json(result, 200);
  } catch (error) {
    const { code = 500, message = '更新帖子失败' } = error as Error & { code?: number };
    return c.json({ code, message }, code as unknown as 400 | 404 | 500);
  }
});

export default app;