import Vue from 'vue';

// 保留指定位数小数并去掉多余的0
export function formatPrice(price, decimals = 4) {
  return price.toFixed(decimals).replace(/\.?0+$/, '');
}

// 安全格式化数字（兼容 $math 未注入的场景）
function safeFormat(value) {
  if (Vue.prototype.$math && Vue.prototype.$math.format) {
    return Vue.prototype.$math.format(value, 14)
  }
  return Number(value)
}

//改变数量
export function changeCount(row, countObj, noDiscountSingle) {
  console.log(row, countObj, noDiscountSingle);
  let total = row[countObj.countKey] || 0;
  let data = row;
  if (row.packageDispositionList) {
    let endIndex = row.packageDispositionList.findIndex(
      (ite) => row[countObj.unitIdKey] == ite.id
    );
    for (; 0 < endIndex; endIndex--) {
      total = safeFormat(row.packageDispositionList[endIndex].packageCell * total)
    }
  }

  data['totalCount'] = total;
  data['discountSinglePrice'] = !noDiscountSingle
    ? data.singlePrice
    : data.discountSinglePrice;

  setWeight(data);
  if (row[countObj.countKey] && row.singlePrice) {
    data['totalPrice'] = row[countObj.countKey] * row.singlePrice;
    data['discountTotalPrice'] = !noDiscountSingle
      ? data.totalPrice
      : data.discountTotalPrice;
  } else {
    data['totalPrice'] = 0;
    data['discountTotalPrice'] = 0;
  }
  // getNotaxSinglePrice(data);
  return data;
  // if (row) {
  //   singleWeightChange(row, index);
  // }
  // return getNumTotalPrice(arr, noDiscountSingle);
}

//改变数量
export function changeCountNew(row, countObj, noDiscountSingle, weightType) {
  
  let data = JSON.parse(JSON.stringify(row));
  console.log('changeCountNew~~', data);
  let total = data[countObj.countKey] || 0;

  let _endIndex = 0; //计算单重需要
  if (data.packageDispositionList) {
    let endIndex = data.packageDispositionList.findIndex(
      (ite) => data[countObj.unitIdKey] == ite.id
    );
    _endIndex = endIndex;
    let packageData = data.packageDispositionList.find(
      (ite) => data[countObj.unitIdKey] == ite.id
    );
    data[countObj.unitKey] = packageData.conversionUnit;
    if (data.weightUnit == data.measuringUnit && data.singleWeight) {
      data.packageDispositionList[1].packageCell = data.singleWeight;
    }
    for (; 0 < endIndex; endIndex--) {
      total = safeFormat(data.packageDispositionList[endIndex].packageCell * total)
    }
  }
  data['totalCount'] = total;

  data['discountSinglePrice'] = data.singlePrice && data.discountRatio ? formatPrice(+data.singlePrice * (+data.discountRatio /100)) : data.singlePrice;

  if (weightType == 'totalWeight') {
    console.log('weightType~~', 1);
    setSingleWeight(data, countObj, _endIndex);
  } else {
    console.log('weightType~~', 2);
    setWeight(data, countObj);
  }

  data['totalPrice'] = 0;
  data['discountTotalPrice'] = 0;
  if (data.pricingWay == 2 || data.pricingWay == 3) {
    if (data.totalWeight && data.singlePrice) {
      data['totalPrice'] = formatPrice(data.totalWeight * data.singlePrice);
    }
  } else {
    if (data[countObj.countKey] && data.singlePrice) {
      data['totalPrice'] = formatPrice(data[countObj.countKey] * data.singlePrice);
    }
  }
  data['discountTotalPrice'] = data['totalPrice'] && data.discountRatio ? formatPrice(+data['totalPrice'] * (data.discountRatio /100)) : data['totalPrice'];
  return data;
}
function setWeight(row) {
  if (row.weightUnit == row.measuringUnit) {
    row['totalWeight'] = row.totalCount;
  } else if (row.totalCount && row.singleWeight) {
    row['totalWeight'] = Number((row.totalCount * row.singleWeight).toFixed(2));
  } else {
    row['totalWeight'] = 0;
  }
}

export function getAllPrice(arr) {
  let sum = 0;
  arr.forEach((item) => {
    if (item.totalPrice) {
      sum += Number(item.totalPrice);
    }
  });
  return isNaN(sum) ? 0 : sum.toFixed(2);
}
// //计算不含税单价
// function getNotaxSinglePrice(row) {
//   if (row.singlePrice && row.taxRate) {
//     row['notaxSinglePrice'] = parseFloat(
//       (row.singlePrice / (1 + row.taxRate / 100)).toFixed(2)
//     );
//   } else {
//     row['notaxSinglePrice'] = '';
//   }
// }

// //计算总金额
// function getNumTotalPrice(arr, noDiscountSingle) {
//   let sum = 0;
//   arr.forEach((r, index) => {
//     // if (r.singlePrice) {
//     //   r.notaxSinglePrice=r.taxRate?r.singlePrice/(1-(r.taxRate/100)):r.singlePrice
//     // }
//     if (r.singlePrice && r.totalCount) {
//       Vue.set(
//         arr[index],
//         'discountSinglePrice',
//         !noDiscountSingle ? r.singlePrice : r.discountSinglePrice
//       );
//       Vue.set(arr[index], 'totalPrice', getAllPrice(r));
//       Vue.set(
//         arr[index],
//         'discountTotalPrice',
//         !noDiscountSingle ? r.totalPrice : r.discountTotalPrice
//       );
//       sum += Number(r.totalPrice);
//     } else {
//       Vue.set(arr[index], 'totalPrice', 0);
//       Vue.set(arr[index], 'discountTotalPrice',0);

//     }
//   });
//   return { allPrice: isNaN(sum) ? 0 : sum.toFixed(2), arr };
// }

// //获取合计
// function getAllPrice(row) {
//   let num = 0;
//   if (row.pricingWay == 1) {
//     //按数量计价计算总金额
//     num = Number(row.singlePrice) * Number(row.totalCount);
//   }
//   if (row.pricingWay == 2) {
//     //按重量计价计算总金额
//     num =
//       Number(row.singlePrice) *
//       Number(row.totalCount) *
//       Number(row.singleWeight);
//   }
//   return isNaN(num) ? '' : num.toFixed(2);
// }
// function singleWeightChange(row) {
//   console.log(row, 'row');
//   if (row && row.singleWeight && row.totalCount) {
//     row.totalWeight = (row.singleWeight * row.totalCount).toFixed(2) || 0;
//   } else {
//     row.totalWeight = '';
//   }
// }