import { InvoiceControllerState, IGood } from '../';
import LineAttributeType from '../../InvoiceController/InvoiceControllerState/GoodsListState/LineAttributeType';

/**
 * 删除一个货物
 */
export default async (state: InvoiceControllerState, $index?: string) => {
  if (!$index) return;

  // 查下要删除的货物
  const goods = state.goodsListState.goodsList.filter((e) => e.$index === $index)[0];
  if (!goods) return;

  // 如果正在编辑 就取消编辑
  if (state.goodsListState.editGood && state.goodsListState.editGood.$index === $index) {
    state.goodsListState.editGood = undefined;
  }

  const goodsList = state.goodsListState.goodsList;
  const goodsMap = state.goodsListState.goodsMap;

  goodsMap.delete($index);

  for (let i = 0; i < goodsList.length; i++) {

    if (goodsList[i].$index === $index) {
      const good = goodsList[i];

      if (good.lineAttribute === LineAttributeType.折扣行 && goodsList[i - 1] && goodsList[i - 1].lineAttribute === LineAttributeType.被折扣行) {
        goodsList[i - 1].lineAttribute = LineAttributeType.正常;
      }

      goodsList.splice(i, 1);

      break;
    }
  }

  state.goodsListState.goodsList = [...goodsList];
  state.goodsListState.goodsMap = new Map(goodsMap);
};