/* 建设其他费表格相关 */
const budgetSummaryObj = (() => {

  const { isDef, isNumber } = window.commonUtil;
  const { fixedFlag, BudgetArea } = window.commonConstants;

  // 原始数据
  let rawData = [];
  // 建设其他费表格对象
  let spread = null;
  // 建设其他费树
  let tree = null;

  // 单位设置下拉框
  const setUnitCombo = (sheet, data) => {
    const unitCol = budgetSummaryTreeSetting.cols.findIndex(item => item.data.field === 'unit');
    if (unitCol >= 0) {
      TREE_SHEET_HELPER.massOperationSheet(sheet, () => {
        const comboBox = sheetCommonObj.getDynamicCombo();
        comboBox
          .itemHeight(10)
          .items(['m', 'm2', 'm3', 'km', 't', 'kg', '台班', '工日', '昼夜', '元', '项', '处', '个', '件',
            '根', '组', '系统', '台', '套', '株', '丛', '缸', '支', '只', '块', '座', '对', '份', '樘', '攒', '榀'])
          .editable(true);
        data.forEach((item, index) => {
          sheet.getCell(index, unitCol).cellType(comboBox);
        })
      });
    }
  }

  const getFieldByCol = (col) => {
    const item = budgetSummaryTreeSetting.cols[col];
    return item && item.data && item.data.field || null;
  }

  // 单元格值验证器
  const validator = {
    text() {
      return true
    },
    number(val) {
      return !isDef(val) || isNumber(val);
    },
  };
  const getValidator = (col) => {
    const item = budgetSummaryTreeSetting.cols[col];
    if (!item) {
      return 'text';
    }
    return validator[item.data.type || 'text'];
  }

  /* 表格事件相关 */
  // 恢复数据
  const recover = (sheet, changedCells) => {
    if (!tree) {
      return;
    }
    changedCells.forEach(({ row, col }) => {
      const node = tree.items[row];
      const field = getFieldByCol(col);
      if (!field || !node) {
        return;
      }
      const orgVal = node.data[field];
      sheet.setValue(row, col, orgVal);
    })
  }
  // 编辑相关
  const edit = (sheet, changedCells) => {
    // 单元格值验证
    const isValid = changedCells.every(({ row, col }) => {
      const val = sheet.getValue(row, col);
      return getValidator(col)(val);
    });
    // 验证不通过，恢复
    if (!isValid) {
      recover(sheet, changedCells);
    }
  }
  const events = {
    EnterCell(sender, args) {
      args.sheet.repaint();
    },
    ValueChanged(sender, args) {
      edit(args.sheet, [{ row: args.row, col: args.col }]);
    },
    RangeChanged(sender, args) {
      edit(args.sheet, args.changedCells);
    }
  }
  const bindEvents = (sheet) => {
    Object.entries(events).forEach(([ev, evFunc]) => {
      sheet.bind(GC.Spread.Sheets.Events[ev], evFunc)
    })
  }

  /* 只读相关 */
  const lockData = (sheet, nodes) => {
    TREE_SHEET_HELPER.massOperationSheet(sheet, () => {
      // 工程费用区域，只读
      const equipmentNode = nodes.find(node => node.getFlag() === fixedFlag.CONSTRUCTION_EQUIPMENT_FEE);
      if (equipmentNode) {
        sheet.getRange(0, 0, equipmentNode.serialNo() + 1, budgetSummaryTreeSetting.cols.length, GC.Spread.Sheets.SheetArea.viewport).locked(true);
      }
    });
  }

  /* 初始化表格 */
  const initSpread = () => {
    if (!spread) {
      // spread = sheetCommonObj.createSpread($('#budget-summary-sheet')[0], 1);
      spread = SheetDataHelper.createNewSpread($('#budget-summary-sheet')[0]);
      sheetCommonObj.spreadDefaultStyle(spread);
      // 设置表头
      const sheet = spread.getSheet(0);
      bindEvents(sheet);
      const headers = sheetCommonObj.getHeadersFromTreeSetting(budgetSummaryTreeSetting);
      sheetCommonObj.setHeader(sheet, headers);
      initContextMenu();
    } else {
      spread.refresh();
    }
    return spread;
  }

  // 初始化树
  const initTree = (data, sheet, setting) => {
    tree = idTree.createNew({ id: 'ID', pid: 'ParentID', nid: 'NextSiblingID', rootId: -1, autoUpdate: true });
    const controller = TREE_SHEET_CONTROLLER.createNew(tree, sheet, setting, false);
    tree.loadDatas(data);
    controller.showTreeData();
    sheet.setRowCount(data.length);
    setUnitCombo(sheet, data);
    lockData(sheet, tree.items);
  }

  /* 右键菜单 */
  // 更新树结构数据
  const updateTree = (sheet, updateData) => {
    // 更新数据
    updateData.forEach(item => {
      if (item.type === 'new') {
        rawData.push(item.data)
      } else if (item.type === 'update') {
        const node = tree.findNode(item.data.ID);
        if (node) {
          Object.assign(node.data, item.data);
        }
      } else {
        const removeIndex = rawData.findIndex(d => d.ID === item.data.ID);
        if (removeIndex > -1) {
          rawData.splice(removeIndex, 1);
        }
      }
    });
    // 重新初始化树
    initTree(rawData, sheet, budgetSummaryTreeSetting);
  }
  // 插入
  const insert = (sheet, selected) => {
    const updateData = tree.getInsertData(selected.data.ParentID, selected.data.NextSiblingID, uuid.v1());
    updateTree(sheet, updateData);
    sheet.setActiveCell(sheet.getActiveRowIndex() + selected.posterityCount() + 1, sheet.getActiveColumnIndex())
  }
  // 删除
  const remove = (sheet, selected) => {
    const updateData = tree.getDeleteData(selected);
    updateTree(sheet, updateData);
  }
  // 升级
  const upLevel = (sheet, selected) => {
    const updateData = selected.getUpLevelData();
    updateTree(sheet, updateData);
  }
  // 降级
  const downLevel = (sheet, selected) => {
    const updateData = selected.getDownLevelData();
    updateTree(sheet, updateData);
  }
  // 上移
  const upMove = (sheet, selected) => {
    const updateData = selected.getUpMoveData();
    updateTree(sheet, updateData);
    const prev = selected.preSibling;
    const row = sheet.getActiveRowIndex() - prev.posterityCount() - 1;
    sheet.setActiveCell(row, sheet.getActiveColumnIndex());
    sheet.showRow(row, GC.Spread.Sheets.VerticalPosition.center);
  }
  // 下移
  const downMove = (sheet, selected) => {
    const updateData = selected.getDownMoveData();
    updateTree(sheet, updateData);
    const next = selected.nextSibling;
    const row = sheet.getActiveRowIndex() + next.posterityCount() + 1;
    sheet.setActiveCell(row, sheet.getActiveColumnIndex())
    sheet.showRow(row, GC.Spread.Sheets.VerticalPosition.center);
  }
  // 是否是属于工程费用区域的节点
  const isConstructionFeeArea = (node) => {
    return node && node.data && node.data.area === BudgetArea.CONSTRUCTION_FEE;
  }
  // 初始化右键菜单
  const initContextMenu = () => {
    if (!spread) {
      return;
    }
    let curRow;
    let curNode;
    const sheet = spread.getSheet(0);
    $.contextMenu({
      selector: '#budget-summary-sheet',
      build: function ($trigger, e) {
        const target = SheetDataHelper.safeRightClickSelection($trigger, e, spread);
        curRow = target.row;
        curNode = tree && tree.items[curRow] || null;
        sheet.setActiveCell(target.row, target.col);
        return target.hitTestType === GC.Spread.Sheets.SheetArea.viewport || target.hitTestType === GC.Spread.Sheets.SheetArea.rowHeader;
      },
      items: {
        insert: {
          name: '插入行',
          icon: 'fa-sign-in',
          disabled() {
            return !curNode || (curNode.data.area === BudgetArea.CONSTRUCTION_FEE && curNode.getFlag() !== fixedFlag.CONSTRUCTION_FEE);
          },
          callback() {
            insert(sheet, curNode);
          }
        },
        remove: {
          name: '删除',
          icon: 'fa-remove',
          disabled() {
            return !curNode || isConstructionFeeArea(curNode);
          },
          callback() {
            remove(sheet, curNode);
          }
        },
        upLevel: {
          name: '升级',
          icon: 'fa-arrow-left',
          disabled() {
            return !curNode || !curNode.canUpLevel() || isConstructionFeeArea(curNode);
          },
          callback() {
            upLevel(sheet, curNode);
          }
        },
        downLevel: {
          name: '降级',
          icon: 'fa-arrow-right',
          disabled() {
            return !curNode || !curNode.canDownLevel() || isConstructionFeeArea(curNode);
          },
          callback() {
            downLevel(sheet, curNode);
          }
        },
        upMove: {
          name: '上移',
          icon: 'fa-arrow-up',
          disabled() {
            return !curNode || !curNode.canUpMove() || isConstructionFeeArea(curNode) || isConstructionFeeArea(curNode.preSibling);
          },
          callback() {
            upMove(sheet, curNode);
          }
        },
        downMove: {
          name: '下移',
          icon: 'fa-arrow-down',
          disabled() {
            return !curNode || !curNode.canDownMove() || isConstructionFeeArea(curNode) || isConstructionFeeArea(curNode.nextSibling);
          },
          callback() {
            downMove(sheet, curNode);
          }
        },
        refresh: {
          name: '刷新数据',
          icon: 'fa-refresh',
          callback() {
            init(projectObj.project.property.rootProjectID);
          }
        },
      }
    });
  }

  // 初始化
  const init = async (constructionID) => {
    try {
      $.bootstrapLoading.start();
      rawData = await ajaxPost('/bills/getBudgetSummary', { constructionID });
      rawData.forEach((item) => {
        if (item.quantity) {
          item.quantity = parseFloat(item.quantity);
        }
        item.feesIndex = getFeeIndex(item.fees);
        item.flagsIndex = {};
        if (item.flags) {
          item.flags.forEach((flag) => {
            item.flagsIndex[flag.fieldName] = flag;
            });
        }
    });
      const spread = initSpread();
      const sheet = spread.getSheet(0);
      initTree(rawData, sheet, budgetSummaryTreeSetting);
    } catch (err) {
      console.log(err);
      alert(err);
    } finally {
      $.bootstrapLoading.end();
    }
  }

  // 点击tab，重新初始化
  $('#tab-budget-summary').click(function () {
    if (!$(this).hasClass('active')) {
      init(projectObj.project.property.rootProjectID);
    }
  });


  // 对外暴露
  return {
    getTree: () => tree,
  };

})();