import _extends from "@babel/runtime/helpers/esm/extends";
import Vue from 'vue';
import Popup from '../popup';
import Toast from '../toast';
import ImagePreview from '../image-preview';
import SkuHeader from './components/SkuHeader';
import SkuHeaderItem from './components/SkuHeaderItem';
import SkuRow from './components/SkuRow';
import SkuRowItem from './components/SkuRowItem';
import SkuRowPropItem from './components/SkuRowPropItem';
import SkuStepper from './components/SkuStepper';
import SkuMessages from './components/SkuMessages';
import SkuActions from './components/SkuActions';
import { createNamespace } from '../utils';
import { isAllSelected, isSkuChoosable, getSkuComb, getSelectedSkuValues, getSelectedPropValues, getSelectedProperties } from './utils/sku-helper';
import { LIMIT_TYPE, UNSELECTED_SKU_VALUE_ID } from './constants';
var namespace = createNamespace('sku');
var createComponent = namespace[0],
    bem = namespace[1],
    t = namespace[2];
var QUOTA_LIMIT = LIMIT_TYPE.QUOTA_LIMIT;
export default createComponent({
  props: {
    sku: Object,
    goods: Object,
    value: Boolean,
    buyText: String,
    goodsId: [Number, String],
    priceTag: String,
    lazyLoad: Boolean,
    hideStock: Boolean,
    properties: Array,
    addCartText: String,
    stepperTitle: String,
    getContainer: [String, Function],
    hideQuotaText: Boolean,
    hideSelectedText: Boolean,
    resetStepperOnHide: Boolean,
    customSkuValidator: Function,
    disableStepperInput: Boolean,
    resetSelectedSkuOnHide: Boolean,
    quota: {
      type: Number,
      default: 0
    },
    quotaUsed: {
      type: Number,
      default: 0
    },
    startSaleNum: {
      type: Number,
      default: 1
    },
    initialSku: {
      type: Object,
      default: function _default() {
        return {};
      }
    },
    stockThreshold: {
      type: Number,
      default: 50
    },
    showSoldoutSku: {
      type: Boolean,
      default: true
    },
    showAddCartBtn: {
      type: Boolean,
      default: true
    },
    disableSoldoutSku: {
      type: Boolean,
      default: true
    },
    customStepperConfig: {
      type: Object,
      default: function _default() {
        return {};
      }
    },
    showHeaderImage: {
      type: Boolean,
      default: true
    },
    previewOnClickImage: {
      type: Boolean,
      default: true
    },
    safeAreaInsetBottom: {
      type: Boolean,
      default: true
    },
    closeOnClickOverlay: {
      type: Boolean,
      default: true
    },
    bodyOffsetTop: {
      type: Number,
      default: 200
    },
    messageConfig: {
      type: Object,
      default: function _default() {
        return {
          initialMessages: {},
          placeholderMap: {},
          uploadImg: function uploadImg() {
            return Promise.resolve();
          },
          uploadMaxSize: 5
        };
      }
    }
  },
  data: function data() {
    return {
      selectedSku: {},
      selectedProp: {},
      selectedNum: 1,
      show: this.value
    };
  },
  watch: {
    show: function show(val) {
      this.$emit('input', val);

      if (!val) {
        this.$emit('sku-close', {
          selectedSkuValues: this.selectedSkuValues,
          selectedNum: this.selectedNum,
          selectedSkuComb: this.selectedSkuComb
        });

        if (this.resetStepperOnHide) {
          this.resetStepper();
        }

        if (this.resetSelectedSkuOnHide) {
          this.resetSelectedSku();
        }
      }
    },
    value: function value(val) {
      this.show = val;
    },
    skuTree: 'resetSelectedSku',
    initialSku: function initialSku() {
      this.resetStepper();
      this.resetSelectedSku();
    }
  },
  computed: {
    skuGroupClass: function skuGroupClass() {
      return ['van-sku-group-container', {
        'van-sku-group-container--hide-soldout': !this.showSoldoutSku
      }];
    },
    bodyStyle: function bodyStyle() {
      if (this.$isServer) {
        return;
      }

      var maxHeight = window.innerHeight - this.bodyOffsetTop;
      return {
        maxHeight: maxHeight + 'px'
      };
    },
    isSkuCombSelected: function isSkuCombSelected() {
      var _this = this;

      // SKU 未选完
      if (this.hasSku && !isAllSelected(this.skuTree, this.selectedSku)) {
        return false;
      } // 属性未全选


      return !this.propList.some(function (it) {
        return (_this.selectedProp[it.k_id] || []).length < 1;
      });
    },
    isSkuEmpty: function isSkuEmpty() {
      return Object.keys(this.sku).length === 0;
    },
    hasSku: function hasSku() {
      return !this.sku.none_sku;
    },
    hasSkuOrAttr: function hasSkuOrAttr() {
      return this.hasSku || this.propList.length > 0;
    },
    selectedSkuComb: function selectedSkuComb() {
      var skuComb = null;

      if (this.isSkuCombSelected) {
        if (this.hasSku) {
          skuComb = getSkuComb(this.skuList, this.selectedSku);
        } else {
          skuComb = {
            id: this.sku.collection_id,
            price: Math.round(this.sku.price * 100),
            stock_num: this.sku.stock_num
          };
        }

        if (skuComb) {
          skuComb.properties = getSelectedProperties(this.propList, this.selectedProp);
          skuComb.property_price = this.selectedPropValues.reduce(function (acc, cur) {
            return acc + (cur.price || 0);
          }, 0);
        }
      }

      return skuComb;
    },
    selectedSkuValues: function selectedSkuValues() {
      return getSelectedSkuValues(this.skuTree, this.selectedSku);
    },
    selectedPropValues: function selectedPropValues() {
      return getSelectedPropValues(this.propList, this.selectedProp);
    },
    price: function price() {
      if (this.selectedSkuComb) {
        return ((this.selectedSkuComb.price + this.selectedSkuComb.property_price) / 100).toFixed(2);
      } // sku.price是一个格式化好的价格区间


      return this.sku.price;
    },
    originPrice: function originPrice() {
      if (this.selectedSkuComb && this.selectedSkuComb.origin_price) {
        return ((this.selectedSkuComb.origin_price + this.selectedSkuComb.property_price) / 100).toFixed(2);
      }

      return this.sku.origin_price;
    },
    skuTree: function skuTree() {
      return this.sku.tree || [];
    },
    skuList: function skuList() {
      return this.sku.list || [];
    },
    propList: function propList() {
      return this.properties || [];
    },
    imageList: function imageList() {
      var imageList = [this.goods.picture];

      if (this.skuTree.length > 0) {
        this.skuTree.forEach(function (treeItem) {
          if (!treeItem.v) {
            return;
          }

          treeItem.v.forEach(function (vItem) {
            var imgUrl = vItem.previewImgUrl || vItem.imgUrl || vItem.img_url;

            if (imgUrl && imageList.indexOf(imgUrl) === -1) {
              imageList.push(imgUrl);
            }
          });
        });
      }

      return imageList;
    },
    stock: function stock() {
      var stockNum = this.customStepperConfig.stockNum;

      if (stockNum !== undefined) {
        return stockNum;
      }

      if (this.selectedSkuComb) {
        return this.selectedSkuComb.stock_num;
      }

      return this.sku.stock_num;
    },
    stockText: function stockText() {
      var h = this.$createElement;
      var stockFormatter = this.customStepperConfig.stockFormatter;

      if (stockFormatter) {
        return stockFormatter(this.stock);
      }

      return [t('stock') + " ", h("span", {
        "class": bem('stock-num', {
          highlight: this.stock < this.stockThreshold
        })
      }, [this.stock]), " " + t('stockUnit')];
    },
    selectedText: function selectedText() {
      var _this2 = this;

      if (this.selectedSkuComb) {
        var values = this.selectedSkuValues.concat(this.selectedPropValues);
        return t('selected') + " " + values.map(function (item) {
          return item.name;
        }).join(' ');
      }

      var unselectedSku = this.skuTree.filter(function (item) {
        return _this2.selectedSku[item.k_s] === UNSELECTED_SKU_VALUE_ID;
      }).map(function (item) {
        return item.k;
      });
      var unselectedProp = this.propList.filter(function (item) {
        return (_this2.selectedProp[item.k_id] || []).length < 1;
      }).map(function (item) {
        return item.k;
      });
      return t('select') + " " + unselectedSku.concat(unselectedProp).join(' ');
    }
  },
  created: function created() {
    var skuEventBus = new Vue();
    this.skuEventBus = skuEventBus;
    skuEventBus.$on('sku:select', this.onSelect);
    skuEventBus.$on('sku:propSelect', this.onPropSelect);
    skuEventBus.$on('sku:numChange', this.onNumChange);
    skuEventBus.$on('sku:previewImage', this.onPreviewImage);
    skuEventBus.$on('sku:overLimit', this.onOverLimit);
    skuEventBus.$on('sku:stepperState', this.onStepperState);
    skuEventBus.$on('sku:addCart', this.onAddCart);
    skuEventBus.$on('sku:buy', this.onBuy);
    this.resetStepper();
    this.resetSelectedSku(); // 组件初始化后的钩子，抛出skuEventBus

    this.$emit('after-sku-create', skuEventBus);
  },
  methods: {
    resetStepper: function resetStepper() {
      var skuStepper = this.$refs.skuStepper;
      var selectedNum = this.initialSku.selectedNum;
      var num = selectedNum != null ? selectedNum : this.startSaleNum; // 用来缓存不合法的情况

      this.stepperError = null;

      if (skuStepper) {
        skuStepper.setCurrentNum(num);
      } else {
        // 当首次加载（skuStepper 为空）时，传入数量如果不合法，可能会存在问题
        this.selectedNum = num;
      }
    },
    // @exposed-api
    resetSelectedSku: function resetSelectedSku() {
      var _this3 = this;

      this.selectedSku = {}; // 重置 selectedSku

      this.skuTree.forEach(function (item) {
        _this3.selectedSku[item.k_s] = UNSELECTED_SKU_VALUE_ID;
      });
      this.skuTree.forEach(function (item) {
        var key = item.k_s; // 规格值只有1个时，优先判断

        var valueId = item.v.length === 1 ? item.v[0].id : _this3.initialSku[key];

        if (valueId && isSkuChoosable(_this3.skuList, _this3.selectedSku, {
          key: key,
          valueId: valueId
        })) {
          _this3.selectedSku[key] = valueId;
        }
      });
      var skuValues = this.selectedSkuValues;

      if (skuValues.length > 0) {
        this.$nextTick(function () {
          _this3.$emit('sku-selected', {
            skuValue: skuValues[skuValues.length - 1],
            selectedSku: _this3.selectedSku,
            selectedSkuComb: _this3.selectedSkuComb
          });
        });
      } // 重置商品属性


      this.selectedProp = {};
      var _this$initialSku$sele = this.initialSku.selectedProp,
          selectedProp = _this$initialSku$sele === void 0 ? {} : _this$initialSku$sele; // 只有一个属性值时，默认选中，且选中外部传入信息

      this.propList.forEach(function (item) {
        if (item.v && item.v.length === 1) {
          _this3.selectedProp[item.k_id] = [item.v[0].id];
        } else if (selectedProp[item.k_id]) {
          _this3.selectedProp[item.k_id] = selectedProp[item.k_id];
        }
      });
      var propValues = this.selectedPropValues;

      if (propValues.length > 0) {
        this.$emit('sku-prop-selected', {
          propValue: propValues[propValues.length - 1],
          selectedProp: this.selectedProp,
          selectedSkuComb: this.selectedSkuComb
        });
      } // 抛出重置事件


      this.$emit('sku-reset', {
        selectedSku: this.selectedSku,
        selectedProp: this.selectedProp,
        selectedSkuComb: this.selectedSkuComb
      });
      this.centerInitialSku();
    },
    getSkuMessages: function getSkuMessages() {
      return this.$refs.skuMessages ? this.$refs.skuMessages.getMessages() : {};
    },
    getSkuCartMessages: function getSkuCartMessages() {
      return this.$refs.skuMessages ? this.$refs.skuMessages.getCartMessages() : {};
    },
    validateSkuMessages: function validateSkuMessages() {
      return this.$refs.skuMessages ? this.$refs.skuMessages.validateMessages() : '';
    },
    validateSku: function validateSku() {
      if (this.selectedNum === 0) {
        return t('unavailable');
      }

      if (this.isSkuCombSelected) {
        return this.validateSkuMessages();
      } // 自定义sku校验


      if (this.customSkuValidator) {
        var err = this.customSkuValidator(this);
        if (err) return err;
      }

      return t('selectSku');
    },
    onSelect: function onSelect(skuValue) {
      var _extends2, _extends3;

      // 点击已选中的sku时则取消选中
      this.selectedSku = this.selectedSku[skuValue.skuKeyStr] === skuValue.id ? _extends({}, this.selectedSku, (_extends2 = {}, _extends2[skuValue.skuKeyStr] = UNSELECTED_SKU_VALUE_ID, _extends2)) : _extends({}, this.selectedSku, (_extends3 = {}, _extends3[skuValue.skuKeyStr] = skuValue.id, _extends3));
      this.$emit('sku-selected', {
        skuValue: skuValue,
        selectedSku: this.selectedSku,
        selectedSkuComb: this.selectedSkuComb
      });
    },
    onPropSelect: function onPropSelect(propValue) {
      var _extends4;

      var arr = this.selectedProp[propValue.skuKeyStr] || [];
      var pos = arr.indexOf(propValue.id);

      if (pos > -1) {
        arr.splice(pos, 1);
      } else if (propValue.multiple) {
        arr.push(propValue.id);
      } else {
        arr.splice(0, 1, propValue.id);
      }

      this.selectedProp = _extends({}, this.selectedProp, (_extends4 = {}, _extends4[propValue.skuKeyStr] = arr, _extends4));
      this.$emit('sku-prop-selected', {
        propValue: propValue,
        selectedProp: this.selectedProp,
        selectedSkuComb: this.selectedSkuComb
      });
    },
    onNumChange: function onNumChange(num) {
      this.selectedNum = num;
    },
    onPreviewImage: function onPreviewImage(selectedValue) {
      var _this4 = this;

      var imageList = this.imageList;
      var index = 0;
      var indexImage = imageList[0];

      if (selectedValue && selectedValue.imgUrl) {
        this.imageList.some(function (image, pos) {
          if (image === selectedValue.imgUrl) {
            index = pos;
            return true;
          }

          return false;
        });
        indexImage = selectedValue.imgUrl;
      }

      var params = _extends({}, selectedValue, {
        index: index,
        imageList: this.imageList,
        indexImage: indexImage
      });

      this.$emit('open-preview', params);

      if (!this.previewOnClickImage) {
        return;
      }

      ImagePreview({
        images: this.imageList,
        startPosition: index,
        onClose: function onClose() {
          _this4.$emit('close-preview', params);
        }
      });
    },
    onOverLimit: function onOverLimit(data) {
      var action = data.action,
          limitType = data.limitType,
          quota = data.quota,
          quotaUsed = data.quotaUsed;
      var handleOverLimit = this.customStepperConfig.handleOverLimit;

      if (handleOverLimit) {
        handleOverLimit(data);
        return;
      }

      if (action === 'minus') {
        if (this.startSaleNum > 1) {
          Toast(t('minusStartTip', this.startSaleNum));
        } else {
          Toast(t('minusTip'));
        }
      } else if (action === 'plus') {
        if (limitType === QUOTA_LIMIT) {
          if (quotaUsed > 0) {
            Toast(t('quotaUsedTip', quota, quotaUsed));
          } else {
            Toast(t('quotaTip', quota));
          }
        } else {
          Toast(t('soldout'));
        }
      }
    },
    onStepperState: function onStepperState(data) {
      this.stepperError = data.valid ? null : _extends({}, data, {
        action: 'plus'
      });
    },
    onAddCart: function onAddCart() {
      this.onBuyOrAddCart('add-cart');
    },
    onBuy: function onBuy() {
      this.onBuyOrAddCart('buy-clicked');
    },
    onBuyOrAddCart: function onBuyOrAddCart(type) {
      // sku 不符合购买条件
      if (this.stepperError) {
        return this.onOverLimit(this.stepperError);
      }

      var error = this.validateSku();

      if (error) {
        Toast(error);
      } else {
        this.$emit(type, this.getSkuData());
      }
    },
    // @exposed-api
    getSkuData: function getSkuData() {
      return {
        goodsId: this.goodsId,
        messages: this.getSkuMessages(),
        selectedNum: this.selectedNum,
        cartMessages: this.getSkuCartMessages(),
        selectedSkuComb: this.selectedSkuComb
      };
    },
    // 当 popup 完全打开后执行
    onOpened: function onOpened() {
      this.centerInitialSku();
    },
    centerInitialSku: function centerInitialSku() {
      var _this5 = this;

      (this.$refs.skuRows || []).forEach(function (it) {
        var _ref = it.skuRow || {},
            k_s = _ref.k_s;

        it.centerItem(_this5.initialSku[k_s]);
      });
    }
  },
  render: function render() {
    var _this6 = this;

    var h = arguments[0];

    if (this.isSkuEmpty) {
      return;
    }

    var sku = this.sku,
        skuList = this.skuList,
        goods = this.goods,
        price = this.price,
        lazyLoad = this.lazyLoad,
        originPrice = this.originPrice,
        skuEventBus = this.skuEventBus,
        selectedSku = this.selectedSku,
        selectedProp = this.selectedProp,
        selectedNum = this.selectedNum,
        stepperTitle = this.stepperTitle,
        selectedSkuComb = this.selectedSkuComb,
        showHeaderImage = this.showHeaderImage,
        disableSoldoutSku = this.disableSoldoutSku;
    var slotsProps = {
      price: price,
      originPrice: originPrice,
      selectedNum: selectedNum,
      skuEventBus: skuEventBus,
      selectedSku: selectedSku,
      selectedSkuComb: selectedSkuComb
    };

    var slots = function slots(name) {
      return _this6.slots(name, slotsProps);
    };

    var Header = slots('sku-header') || h(SkuHeader, {
      "attrs": {
        "sku": sku,
        "goods": goods,
        "skuEventBus": skuEventBus,
        "selectedSku": selectedSku,
        "showHeaderImage": showHeaderImage
      }
    }, [h("template", {
      "slot": "sku-header-image-extra"
    }, [slots('sku-header-image-extra')]), slots('sku-header-price') || h("div", {
      "class": "van-sku__goods-price"
    }, [h("span", {
      "class": "van-sku__price-symbol"
    }, ["\uFFE5"]), h("span", {
      "class": "van-sku__price-num"
    }, [price]), this.priceTag && h("span", {
      "class": "van-sku__price-tag"
    }, [this.priceTag])]), slots('sku-header-origin-price') || originPrice && h(SkuHeaderItem, [t('originPrice'), " \uFFE5", originPrice]), !this.hideStock && h(SkuHeaderItem, [h("span", {
      "class": "van-sku__stock"
    }, [this.stockText])]), this.hasSkuOrAttr && !this.hideSelectedText && h(SkuHeaderItem, [this.selectedText]), slots('sku-header-extra')]);
    var Group = slots('sku-group') || this.hasSkuOrAttr && h("div", {
      "class": this.skuGroupClass
    }, [this.skuTree.map(function (skuTreeItem) {
      return h(SkuRow, {
        "attrs": {
          "skuRow": skuTreeItem
        },
        "ref": "skuRows",
        "refInFor": true
      }, [skuTreeItem.v.map(function (skuValue) {
        return h(SkuRowItem, {
          "attrs": {
            "skuList": skuList,
            "lazyLoad": lazyLoad,
            "skuValue": skuValue,
            "skuKeyStr": skuTreeItem.k_s,
            "selectedSku": selectedSku,
            "skuEventBus": skuEventBus,
            "disableSoldoutSku": disableSoldoutSku,
            "largeImageMode": skuTreeItem.largeImageMode
          }
        });
      })]);
    }), this.propList.map(function (skuTreeItem) {
      return h(SkuRow, {
        "attrs": {
          "skuRow": skuTreeItem
        }
      }, [skuTreeItem.v.map(function (skuValue) {
        return h(SkuRowPropItem, {
          "attrs": {
            "skuValue": skuValue,
            "skuKeyStr": skuTreeItem.k_id + '',
            "selectedProp": selectedProp,
            "skuEventBus": skuEventBus,
            "multiple": skuTreeItem.is_multiple
          }
        });
      })]);
    })]);
    var Stepper = slots('sku-stepper') || h(SkuStepper, {
      "ref": "skuStepper",
      "attrs": {
        "stock": this.stock,
        "quota": this.quota,
        "quotaUsed": this.quotaUsed,
        "startSaleNum": this.startSaleNum,
        "skuEventBus": skuEventBus,
        "selectedNum": selectedNum,
        "stepperTitle": stepperTitle,
        "skuStockNum": sku.stock_num,
        "disableStepperInput": this.disableStepperInput,
        "customStepperConfig": this.customStepperConfig,
        "hideQuotaText": this.hideQuotaText
      },
      "on": {
        "change": function change(event) {
          _this6.$emit('stepper-change', event);
        }
      }
    });
    var Messages = slots('sku-messages') || h(SkuMessages, {
      "ref": "skuMessages",
      "attrs": {
        "goodsId": this.goodsId,
        "messageConfig": this.messageConfig,
        "messages": sku.messages
      }
    });
    var Actions = slots('sku-actions') || h(SkuActions, {
      "attrs": {
        "buyText": this.buyText,
        "skuEventBus": skuEventBus,
        "addCartText": this.addCartText,
        "showAddCartBtn": this.showAddCartBtn
      }
    });
    return h(Popup, {
      "attrs": {
        "round": true,
        "closeable": true,
        "position": "bottom",
        "getContainer": this.getContainer,
        "closeOnClickOverlay": this.closeOnClickOverlay,
        "safeAreaInsetBottom": this.safeAreaInsetBottom
      },
      "class": "van-sku-container",
      "on": {
        "opened": this.onOpened
      },
      "model": {
        value: _this6.show,
        callback: function callback($$v) {
          _this6.show = $$v;
        }
      }
    }, [Header, h("div", {
      "class": "van-sku-body",
      "style": this.bodyStyle
    }, [slots('sku-body-top'), Group, slots('extra-sku-group'), Stepper, Messages]), slots('sku-actions-top'), Actions]);
  }
});