const router = require('express').Router();
const {paramFail, ServerError, success, controlError, searchSuccess} = require("../tools/result");
const c = require('../control/product');
const log = require("../logger").logger("r_product","info")
const typeTool = require('../tools/typeTool_cjs');

/**
 * 加载产品列表,根据类型
 * @param key query 产品类别
 * @param p query 页码
 * @param l query 每页数量
 */
router.get('/load',
  async (req, res) => {
    try{
      let err, result;
      let {key, l, p} = req.query;
      if(!key){
        paramFail(res, "key is required");
        return;
      }
      // console.log(key);
      // log.info(key);
      [err, result] = await c.loadProduct(key, p, l);
      if(err){ return controlError(res, err, null);}
      success(res, result);
    }catch (e) {
      ServerError(res, null, e.message);
    }
});

router.get(
  '/search',
  async (req, res) => {
      try{
        log.info(`[搜索产品] `)
        let err, result;
        let {key, l, p, type} = req.query;
        type = type || 'all';
        l = typeTool.toNumber(l);
        p = typeTool.toNumber(p);
        log.info(`page=${p},limit=${l}`);
        [err, result] = await c.searchProduct(type, key, p, l);
        if(err){
          log.info(`[搜索产品] err=${err}`);
          return controlError(res, err, null);}
        log.info(`result len=${result.arr.length}`)
        searchSuccess(res,
          result.arr,
          result.total,
          result.page,
          result.limit,
        );
      }catch (e) {
        ServerError(res, null, e.message);
      }
  });

router.get('/mini', async (req, res) => {
  try{
    log.info(`[搜索产品] 只获取基础值`)
    let err, result;
    let {key, l, p, type} = req.query;
    type = type || 'all';
    l = typeTool.toNumber(l);
    p = typeTool.toNumber(p);
    log.info(`page=${p},limit=${l}`);
    [err, result] = await c.searchProductByMini(type, key, p, l);
    if(err){
      log.info(`[搜索产品] err=${err}`);
      return controlError(res, err, null);}
    log.info(`result len=${result.arr.length}`)
    searchSuccess(res,
      result.arr,
      result.total,
      result.page,
      result.limit,
    );
  }catch (e) {
    ServerError(res, null, e.message);
  }
});


/**
 * 获取产品信息
 * @param id path 产品id
 */
router.get('/:id', async (req, res) => {
  try{
    let err, result;
    let {id} = req.params;
    if(!id){
      paramFail(res, "id is required");
      return;
    }
    id = typeTool.toNumber(id);
    log.info(`product info ${id}`);
    [err, result] = await c.getProductInfo(id);
    if(err){ return controlError(res, err, null);}
    success(res, result);
  }catch (e) {
    ServerError(res, null, e.message);
  }
});



module.exports =  router ;