import { Hono } from "hono";
import debug from "debug";
import type {
  FileCategory,
} from "../client/share/types.ts";

import {
  DeleteStatus,
} from "../client/share/types.ts";

import type { Variables, WithAuth } from "./middlewares.ts";

const log = {
  api: debug("api:file_categories"),
};

// 创建文件分类路由
export function createFileCategoryRoutes(withAuth: WithAuth) {
  const fileCategoryRoutes = new Hono<{ Variables: Variables }>();

  // 获取文件分类列表
  fileCategoryRoutes.get("/", withAuth, async (c) => {
    try {
      const apiClient = c.get('apiClient');

      const page = Number(c.req.query("page")) || 1;
      const pageSize = Number(c.req.query("pageSize")) || 10;
      const offset = (page - 1) * pageSize;

      const search = c.req.query("search") || "";

      let query = apiClient.database.table("file_categories").orderBy("id", "desc");

      if (search) {
        query = query.where("name", "like", `%${search}%`);
      }

      const total = await query.clone().count();

      const categories = await query
        .select("id", "name", "code", "description")
        .limit(pageSize)
        .offset(offset);

      return c.json({
        data: categories,
        total: Number(total),
        page,
        pageSize,
      });
    } catch (error) {
      log.api("获取文件分类列表失败:", error);
      return c.json({ error: "获取文件分类列表失败" }, 500);
    }
  });

  // 创建文件分类
  fileCategoryRoutes.post("/", withAuth, async (c) => {
    try {
      const apiClient = c.get('apiClient');
      const data = (await c.req.json()) as Partial<FileCategory>;

      // 验证必填字段
      if (!data.name) {
        return c.json({ error: "分类名称不能为空" }, 400);
      }

      // 插入文件分类
      const [id] = await apiClient.database.table("file_categories").insert({
        ...data,
        created_at: apiClient.database.fn.now(),
        updated_at: apiClient.database.fn.now(),
      });

      return c.json({
        message: "文件分类创建成功",
        data: {
          id,
          ...data,
        },
      });
    } catch (error) {
      log.api("创建文件分类失败:", error);
      return c.json({ error: "创建文件分类失败" }, 500);
    }
  });

  // 更新文件分类
  fileCategoryRoutes.put("/:id", withAuth, async (c) => {
    try {
      const apiClient = c.get('apiClient');
      const id = Number(c.req.param("id"));

      if (!id || isNaN(id)) {
        return c.json({ error: "无效的分类ID" }, 400);
      }

      const data = (await c.req.json()) as Partial<FileCategory>;

      // 更新文件分类
      await apiClient.database
        .table("file_categories")
        .where("id", id)
        .update({
          ...data,
          updated_at: apiClient.database.fn.now(),
        });

      return c.json({
        message: "文件分类更新成功",
        data: {
          id,
          ...data,
        },
      });
    } catch (error) {
      log.api("更新文件分类失败:", error);
      return c.json({ error: "更新文件分类失败" }, 500);
    }
  });

  // 删除文件分类
  fileCategoryRoutes.delete("/:id", withAuth, async (c) => {
    try {
      const apiClient = c.get('apiClient');
      const id = Number(c.req.param("id"));

      if (!id || isNaN(id)) {
        return c.json({ error: "无效的分类ID" }, 400);
      }

      await apiClient.database.table("file_categories").where("id", id).update({
        is_deleted: DeleteStatus.DELETED,
        updated_at: apiClient.database.fn.now(),
      });

      return c.json({
        message: "文件分类删除成功",
      });
    } catch (error) {
      log.api("删除文件分类失败:", error);
      return c.json({ error: "删除文件分类失败" }, 500);
    }
  });
  
  return fileCategoryRoutes;
}