/**
 * DevExtreme (cjs/__internal/scheduler/appointments/rendering_strategies/m_strategy_base.js)
 * Version: 24.1.7-build-24272-1937
 * Build date: Sat Sep 28 2024
 *
 * Copyright (c) 2012 - 2024 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = void 0;
var _date = _interopRequireDefault(require("../../../../core/utils/date"));
var _extend = require("../../../../core/utils/extend");
var _type = require("../../../../core/utils/type");
var _themes = require("../../../../ui/themes");
var _date2 = require("../../../core/utils/date");
var _m_expression_utils = require("../../../scheduler/m_expression_utils");
var _index = require("../../../scheduler/r1/utils/index");
var _m_appointment_adapter = require("../../m_appointment_adapter");
var _m_utils_time_zone = _interopRequireDefault(require("../../m_utils_time_zone"));
var _m_settings_generator = require("../m_settings_generator");
var _m_appointments_positioning_strategy_adaptive = _interopRequireDefault(require("./m_appointments_positioning_strategy_adaptive"));
var _m_appointments_positioning_strategy_base = _interopRequireDefault(require("./m_appointments_positioning_strategy_base"));

function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    }
}

function _extends() {
    _extends = Object.assign ? Object.assign.bind() : function(target) {
        for (var i = 1; i < arguments.length; i++) {
            var source = arguments[i];
            for (var key in source) {
                if (Object.prototype.hasOwnProperty.call(source, key)) {
                    target[key] = source[key]
                }
            }
        }
        return target
    };
    return _extends.apply(this, arguments)
}
const toMs = _date.default.dateToMilliseconds;
const APPOINTMENT_MIN_SIZE = 2;
const APPOINTMENT_DEFAULT_HEIGHT = 20;
const COMPACT_THEME_APPOINTMENT_DEFAULT_HEIGHT = 18;
const DROP_DOWN_BUTTON_ADAPTIVE_SIZE = 28;
const WEEK_VIEW_COLLECTOR_OFFSET = 5;
const COMPACT_THEME_WEEK_VIEW_COLLECTOR_OFFSET = 1;
class BaseRenderingStrategy {
    constructor(options) {
        this.options = options;
        this._initPositioningStrategy()
    }
    get isAdaptive() {
        return this.options.adaptivityEnabled
    }
    get rtlEnabled() {
        return this.options.rtlEnabled
    }
    get startDayHour() {
        return this.options.startDayHour
    }
    get endDayHour() {
        return this.options.endDayHour
    }
    get maxAppointmentsPerCell() {
        return this.options.maxAppointmentsPerCell
    }
    get cellWidth() {
        return this.options.cellWidth
    }
    get cellHeight() {
        return this.options.cellHeight
    }
    get allDayHeight() {
        return this.options.allDayHeight
    }
    get resizableStep() {
        return this.options.resizableStep
    }
    get isGroupedByDate() {
        return this.options.isGroupedByDate
    }
    get visibleDayDuration() {
        return this.options.visibleDayDuration
    }
    get viewStartDayHour() {
        return this.options.viewStartDayHour
    }
    get viewEndDayHour() {
        return this.options.viewEndDayHour
    }
    get cellDuration() {
        return this.options.cellDuration
    }
    get cellDurationInMinutes() {
        return this.options.cellDurationInMinutes
    }
    get leftVirtualCellCount() {
        return this.options.leftVirtualCellCount
    }
    get topVirtualCellCount() {
        return this.options.topVirtualCellCount
    }
    get positionHelper() {
        return this.options.positionHelper
    }
    get showAllDayPanel() {
        return this.options.showAllDayPanel
    }
    get isGroupedAllDayPanel() {
        return this.options.isGroupedAllDayPanel
    }
    get groupOrientation() {
        return this.options.groupOrientation
    }
    get rowCount() {
        return this.options.rowCount
    }
    get groupCount() {
        return this.options.groupCount
    }
    get currentDate() {
        return this.options.currentDate
    }
    get appointmentCountPerCell() {
        return this.options.appointmentCountPerCell
    }
    get appointmentOffset() {
        return this.options.appointmentOffset
    }
    get allowResizing() {
        return this.options.allowResizing
    }
    get allowAllDayResizing() {
        return this.options.allowAllDayResizing
    }
    get viewDataProvider() {
        return this.options.viewDataProvider
    }
    get dataAccessors() {
        return this.options.dataAccessors
    }
    get timeZoneCalculator() {
        return this.options.timeZoneCalculator
    }
    get intervalCount() {
        return this.options.intervalCount
    }
    get allDayPanelMode() {
        return this.options.allDayPanelMode
    }
    get isVirtualScrolling() {
        return this.options.isVirtualScrolling
    }
    _correctCollectorCoordinatesInAdaptive(coordinates, isAllDay) {
        coordinates.top += this.getCollectorTopOffset(isAllDay);
        coordinates.left += this.getCollectorLeftOffset()
    }
    _initPositioningStrategy() {
        this._positioningStrategy = this.isAdaptive ? new _m_appointments_positioning_strategy_adaptive.default(this) : new _m_appointments_positioning_strategy_base.default(this)
    }
    getPositioningStrategy() {
        return this._positioningStrategy
    }
    getAppointmentMinSize() {
        return 2
    }
    keepAppointmentSettings() {
        return false
    }
    getDeltaTime(args, initialSize, appointment) {}
    getAppointmentGeometry(coordinates) {
        return coordinates
    }
    needCorrectAppointmentDates() {
        return true
    }
    getDirection() {
        return "horizontal"
    }
    createTaskPositionMap(items, skipSorting) {
        delete this._maxAppointmentCountPerCell;
        const length = null === items || void 0 === items ? void 0 : items.length;
        if (!length) {
            return
        }
        const map = [];
        for (let i = 0; i < length; i++) {
            let coordinates = this._getItemPosition(items[i]);
            if (coordinates.length && this.rtlEnabled) {
                coordinates = this._correctRtlCoordinates(coordinates)
            }
            coordinates.forEach((item => {
                item.leftVirtualCellCount = this.leftVirtualCellCount;
                item.topVirtualCellCount = this.topVirtualCellCount;
                item.leftVirtualWidth = this.leftVirtualCellCount * this.cellWidth;
                item.topVirtualHeight = this.topVirtualCellCount * this.cellHeight
            }));
            map.push(coordinates)
        }
        const positionArray = this._getSortedPositions(map);
        const resultPositions = this._getResultPositions(positionArray);
        return this._getExtendedPositionMap(map, resultPositions)
    }
    _getDeltaWidth(args, initialSize) {
        const intervalWidth = this.resizableStep || this.getAppointmentMinSize();
        const initialWidth = initialSize.width;
        return Math.round((args.width - initialWidth) / intervalWidth)
    }
    _correctRtlCoordinates(coordinates) {
        const width = coordinates[0].width || this._getAppointmentMaxWidth();
        coordinates.forEach((coordinate => {
            if (!coordinate.appointmentReduced) {
                coordinate.left -= width
            }
        }));
        return coordinates
    }
    _getAppointmentMaxWidth() {
        return this.cellWidth
    }
    _getItemPosition(initialAppointment) {
        const appointment = this.shiftAppointmentByViewOffset(initialAppointment);
        const position = this.generateAppointmentSettings(appointment);
        const allDay = this.isAllDay(appointment);
        let result = [];
        for (let j = 0; j < position.length; j++) {
            const height = this.calculateAppointmentHeight(appointment, position[j]);
            const width = this.calculateAppointmentWidth(appointment, position[j]);
            let resultWidth = width;
            let appointmentReduced = null;
            let multiWeekAppointmentParts = [];
            let initialRowIndex = position[j].rowIndex;
            let initialColumnIndex = position[j].columnIndex;
            if (this._needVerifyItemSize() || allDay) {
                const currentMaxAllowedPosition = position[j].hMax;
                if (this.isAppointmentGreaterThan(currentMaxAllowedPosition, {
                        left: position[j].left,
                        width: width
                    })) {
                    appointmentReduced = "head";
                    initialRowIndex = position[j].rowIndex;
                    initialColumnIndex = position[j].columnIndex;
                    resultWidth = this._reduceMultiWeekAppointment(width, {
                        left: position[j].left,
                        right: currentMaxAllowedPosition
                    });
                    multiWeekAppointmentParts = this._getAppointmentParts({
                        sourceAppointmentWidth: width,
                        reducedWidth: resultWidth,
                        height: height
                    }, position[j]);
                    if (this.rtlEnabled) {
                        position[j].left = currentMaxAllowedPosition
                    }
                }
            }(0, _extend.extend)(position[j], {
                height: height,
                width: resultWidth,
                allDay: allDay,
                rowIndex: initialRowIndex,
                columnIndex: initialColumnIndex,
                appointmentReduced: appointmentReduced
            });
            result = this._getAppointmentPartsPosition(multiWeekAppointmentParts, position[j], result)
        }
        return result
    }
    _getAppointmentPartsPosition(appointmentParts, position, result) {
        if (appointmentParts.length) {
            appointmentParts.unshift(position);
            result = result.concat(appointmentParts)
        } else {
            result.push(position)
        }
        return result
    }
    getAppointmentSettingsGenerator(rawAppointment) {
        return new _m_settings_generator.AppointmentSettingsGenerator(_extends({
            rawAppointment: rawAppointment,
            appointmentTakesAllDay: this.isAppointmentTakesAllDay(rawAppointment),
            getPositionShiftCallback: this.getPositionShift.bind(this)
        }, this.options))
    }
    generateAppointmentSettings(rawAppointment) {
        return this.getAppointmentSettingsGenerator(rawAppointment).create()
    }
    isAppointmentTakesAllDay(rawAppointment) {
        const adapter = (0, _m_appointment_adapter.createAppointmentAdapter)(rawAppointment, this.dataAccessors, this.timeZoneCalculator);
        return (0, _index.getAppointmentTakesAllDay)(adapter, this.allDayPanelMode)
    }
    _getAppointmentParts(geometry, settings) {
        return []
    }
    _getCompactAppointmentParts(appointmentWidth) {
        const cellWidth = this.cellWidth || this.getAppointmentMinSize();
        return Math.round(appointmentWidth / cellWidth)
    }
    _reduceMultiWeekAppointment(sourceAppointmentWidth, bound) {
        if (this.rtlEnabled) {
            sourceAppointmentWidth = Math.floor(bound.left - bound.right)
        } else {
            sourceAppointmentWidth = bound.right - Math.floor(bound.left)
        }
        return sourceAppointmentWidth
    }
    calculateAppointmentHeight(appointment, position) {
        return 0
    }
    calculateAppointmentWidth(appointment, position) {
        return 0
    }
    isAppointmentGreaterThan(etalon, comparisonParameters) {
        let result = comparisonParameters.left + comparisonParameters.width - etalon;
        if (this.rtlEnabled) {
            result = etalon + comparisonParameters.width - comparisonParameters.left
        }
        return result > this.cellWidth / 2
    }
    isAllDay(appointment) {
        return false
    }
    cropAppointmentWidth(width, cellWidth) {
        return this.isGroupedByDate ? cellWidth : width
    }
    _getSortedPositions(positionList, skipSorting) {
        const result = [];
        const round = value => Math.round(100 * value) / 100;
        const createItem = (rowIndex, columnIndex, top, left, bottom, right, position, allDay) => ({
            i: rowIndex,
            j: columnIndex,
            top: round(top),
            left: round(left),
            bottom: round(bottom),
            right: round(right),
            cellPosition: position,
            allDay: allDay
        });
        for (let rowIndex = 0, rowCount = positionList.length; rowIndex < rowCount; rowIndex++) {
            for (let columnIndex = 0, cellCount = positionList[rowIndex].length; columnIndex < cellCount; columnIndex++) {
                const {
                    top: top,
                    left: left,
                    height: height,
                    width: width,
                    cellPosition: cellPosition,
                    allDay: allDay
                } = positionList[rowIndex][columnIndex];
                result.push(createItem(rowIndex, columnIndex, top, left, top + height, left + width, cellPosition, allDay))
            }
        }
        return result.sort(((a, b) => this._sortCondition(a, b)))
    }
    _sortCondition(a, b) {}
    _getConditions(a, b) {
        const isSomeEdge = this._isSomeEdge(a, b);
        return {
            columnCondition: isSomeEdge || this._normalizeCondition(a.left, b.left),
            rowCondition: isSomeEdge || this._normalizeCondition(a.top, b.top),
            cellPositionCondition: isSomeEdge || this._normalizeCondition(a.cellPosition, b.cellPosition)
        }
    }
    _rowCondition(a, b) {
        const conditions = this._getConditions(a, b);
        return conditions.columnCondition || conditions.rowCondition
    }
    _columnCondition(a, b) {
        const conditions = this._getConditions(a, b);
        return conditions.rowCondition || conditions.columnCondition
    }
    _isSomeEdge(a, b) {
        return a.i === b.i && a.j === b.j
    }
    _normalizeCondition(first, second) {
        const result = first - second;
        return Math.abs(result) > 1 ? result : 0
    }
    _isItemsCross(firstItem, secondItem) {
        const areItemsInTheSameTable = !!firstItem.allDay === !!secondItem.allDay;
        const areItemsAllDay = firstItem.allDay && secondItem.allDay;
        if (areItemsInTheSameTable) {
            const orientation = this._getOrientation(areItemsAllDay);
            return this._checkItemsCrossing(firstItem, secondItem, orientation)
        }
        return false
    }
    _checkItemsCrossing(firstItem, secondItem, orientation) {
        const firstItemSide1 = Math.floor(firstItem[orientation[0]]);
        const firstItemSide2 = Math.floor(firstItem[orientation[1]]);
        const secondItemSide1 = Math.ceil(secondItem[orientation[0]]);
        const secondItemSide2 = Math.ceil(secondItem[orientation[1]]);
        const isItemCross = Math.abs(firstItem[orientation[2]] - secondItem[orientation[2]]) <= 1;
        return isItemCross && (firstItemSide1 <= secondItemSide1 && firstItemSide2 > secondItemSide1 || firstItemSide1 < secondItemSide2 && firstItemSide2 >= secondItemSide2 || firstItemSide1 === secondItemSide1 && firstItemSide2 === secondItemSide2)
    }
    _getOrientation(isAllDay) {
        return isAllDay ? ["left", "right", "top"] : ["top", "bottom", "left"]
    }
    _getResultPositions(sortedArray) {
        const result = [];
        let i;
        let sortedIndex = 0;
        let currentItem;
        let indexes;
        let itemIndex;
        let maxIndexInStack = 0;
        let stack = {};
        const findFreeIndex = (indexes, index) => {
            const isFind = indexes.some((item => item === index));
            if (isFind) {
                return findFreeIndex(indexes, ++index)
            }
            return index
        };
        const createItem = (currentItem, index) => {
            const currentIndex = index || 0;
            return {
                index: currentIndex,
                i: currentItem.i,
                j: currentItem.j,
                left: currentItem.left,
                right: currentItem.right,
                top: currentItem.top,
                bottom: currentItem.bottom,
                allDay: currentItem.allDay,
                sortedIndex: this._skipSortedIndex(currentIndex) ? null : sortedIndex++
            }
        };
        const startNewStack = currentItem => {
            stack.items = [createItem(currentItem)];
            stack.left = currentItem.left;
            stack.right = currentItem.right;
            stack.top = currentItem.top;
            stack.bottom = currentItem.bottom;
            stack.allDay = currentItem.allDay
        };
        const pushItemsInResult = items => {
            items.forEach((item => {
                result.push({
                    index: item.index,
                    count: maxIndexInStack + 1,
                    i: item.i,
                    j: item.j,
                    sortedIndex: item.sortedIndex
                })
            }))
        };
        for (i = 0; i < sortedArray.length; i++) {
            currentItem = sortedArray[i];
            indexes = [];
            if (!stack.items) {
                startNewStack(currentItem)
            } else if (this._isItemsCross(stack, currentItem)) {
                stack.items.forEach((item => {
                    if (this._isItemsCross(item, currentItem)) {
                        indexes.push(item.index)
                    }
                }));
                itemIndex = indexes.length ? findFreeIndex(indexes, 0) : 0;
                stack.items.push(createItem(currentItem, itemIndex));
                maxIndexInStack = Math.max(itemIndex, maxIndexInStack);
                stack.left = Math.min(stack.left, currentItem.left);
                stack.right = Math.max(stack.right, currentItem.right);
                stack.top = Math.min(stack.top, currentItem.top);
                stack.bottom = Math.max(stack.bottom, currentItem.bottom);
                stack.allDay = currentItem.allDay
            } else {
                pushItemsInResult(stack.items);
                stack = {};
                startNewStack(currentItem);
                maxIndexInStack = 0
            }
        }
        if (stack.items) {
            pushItemsInResult(stack.items)
        }
        return result.sort(((a, b) => {
            const columnCondition = a.j - b.j;
            const rowCondition = a.i - b.i;
            return rowCondition || columnCondition
        }))
    }
    _skipSortedIndex(index) {
        return index > this._getMaxAppointmentCountPerCell() - 1
    }
    _findIndexByKey(arr, iKey, jKey, iValue, jValue) {
        let result = 0;
        for (let i = 0, len = arr.length; i < len; i++) {
            if (arr[i][iKey] === iValue && arr[i][jKey] === jValue) {
                result = i;
                break
            }
        }
        return result
    }
    _getExtendedPositionMap(map, positions) {
        let positionCounter = 0;
        const result = [];
        for (let i = 0, mapLength = map.length; i < mapLength; i++) {
            const resultString = [];
            for (let j = 0, itemLength = map[i].length; j < itemLength; j++) {
                map[i][j].index = positions[positionCounter].index;
                map[i][j].sortedIndex = positions[positionCounter].sortedIndex;
                map[i][j].count = positions[positionCounter++].count;
                resultString.push(map[i][j]);
                this._checkLongCompactAppointment(map[i][j], resultString)
            }
            result.push(resultString)
        }
        return result
    }
    _checkLongCompactAppointment(item, result) {
        this._splitLongCompactAppointment(item, result);
        return result
    }
    _splitLongCompactAppointment(item, result) {
        const appointmentCountPerCell = this._getMaxAppointmentCountPerCellByType(item.allDay);
        let compactCount = 0;
        if (void 0 !== appointmentCountPerCell && item.index > appointmentCountPerCell - 1) {
            item.isCompact = true;
            compactCount = this._getCompactAppointmentParts(item.width);
            for (let k = 1; k < compactCount; k++) {
                const compactPart = (0, _extend.extend)(true, {}, item);
                compactPart.left = this._getCompactLeftCoordinate(item.left, k);
                compactPart.columnIndex += k;
                compactPart.sortedIndex = null;
                result.push(compactPart)
            }
        }
        return result
    }
    _adjustDurationByDaylightDiff(duration, startDate, endDate) {
        const {
            viewOffset: viewOffset
        } = this.options;
        const originalStartDate = _date2.dateUtilsTs.addOffsets(startDate, [viewOffset]);
        const originalEndDate = _date2.dateUtilsTs.addOffsets(endDate, [viewOffset]);
        const daylightDiff = _m_utils_time_zone.default.getDaylightOffset(originalStartDate, originalEndDate);
        const correctedDuration = this._needAdjustDuration(daylightDiff) ? this._calculateDurationByDaylightDiff(duration, daylightDiff) : duration;
        return correctedDuration <= Math.abs(daylightDiff) ? duration : correctedDuration
    }
    _needAdjustDuration(diff) {
        return 0 !== diff
    }
    _calculateDurationByDaylightDiff(duration, diff) {
        return duration + diff * toMs("minute")
    }
    _getCollectorLeftOffset(isAllDay) {
        if (isAllDay || !this.isApplyCompactAppointmentOffset()) {
            return 0
        }
        const dropDownButtonWidth = this.getDropDownAppointmentWidth(this.intervalCount, isAllDay);
        const rightOffset = this._isCompactTheme() ? 1 : 5;
        return this.cellWidth - dropDownButtonWidth - rightOffset
    }
    _markAppointmentAsVirtual(coordinates) {
        let isAllDay = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : false;
        const countFullWidthAppointmentInCell = this._getMaxAppointmentCountPerCellByType(isAllDay);
        if (coordinates.count - countFullWidthAppointmentInCell > 0) {
            const {
                top: top,
                left: left
            } = coordinates;
            const compactRender = this.isAdaptive || !isAllDay && this.supportCompactDropDownAppointments();
            coordinates.virtual = {
                left: left + this._getCollectorLeftOffset(isAllDay),
                top: top,
                width: this.getDropDownAppointmentWidth(this.intervalCount, isAllDay),
                height: this.getDropDownAppointmentHeight(),
                index: this._generateAppointmentCollectorIndex(coordinates, isAllDay),
                isAllDay: isAllDay,
                groupIndex: coordinates.groupIndex,
                isCompact: compactRender
            }
        }
    }
    isApplyCompactAppointmentOffset() {
        return this.supportCompactDropDownAppointments()
    }
    supportCompactDropDownAppointments() {
        return true
    }
    _generateAppointmentCollectorIndex(_ref, isAllDay) {
        let {
            groupIndex: groupIndex,
            rowIndex: rowIndex,
            columnIndex: columnIndex
        } = _ref;
        return `${groupIndex}-${rowIndex}-${columnIndex}-${isAllDay}`
    }
    _getMaxAppointmentCountPerCellByType(isAllDay) {
        const appointmentCountPerCell = this._getMaxAppointmentCountPerCell();
        if ((0, _type.isObject)(appointmentCountPerCell)) {
            return isAllDay ? appointmentCountPerCell.allDay : appointmentCountPerCell.simple
        }
        return appointmentCountPerCell
    }
    getDropDownAppointmentWidth(intervalCount, isAllDay) {
        return this.getPositioningStrategy().getDropDownAppointmentWidth(intervalCount, isAllDay)
    }
    getDropDownAppointmentHeight() {
        return this.getPositioningStrategy().getDropDownAppointmentHeight()
    }
    getDropDownButtonAdaptiveSize() {
        return 28
    }
    getCollectorTopOffset(allDay) {
        return this.getPositioningStrategy().getCollectorTopOffset(allDay)
    }
    getCollectorLeftOffset() {
        return this.getPositioningStrategy().getCollectorLeftOffset()
    }
    getAppointmentDataCalculator() {}
    getVerticalAppointmentHeight(cellHeight, currentAppointmentCountInCell, maxAppointmentsPerCell) {
        let resultMaxAppointmentsPerCell = maxAppointmentsPerCell;
        if ((0, _type.isNumeric)(this.maxAppointmentsPerCell)) {
            const dynamicAppointmentCountPerCell = this._getDynamicAppointmentCountPerCell();
            const maxAppointmentCountDisplayedInCell = dynamicAppointmentCountPerCell.allDay || dynamicAppointmentCountPerCell;
            const maxAppointmentsCount = Math.max(currentAppointmentCountInCell, maxAppointmentCountDisplayedInCell);
            resultMaxAppointmentsPerCell = Math.min(maxAppointmentsCount, maxAppointmentsPerCell)
        }
        return cellHeight / resultMaxAppointmentsPerCell
    }
    _customizeCoordinates(coordinates, cellHeight, appointmentCountPerCell, topOffset, isAllDay) {
        const {
            index: index,
            count: count
        } = coordinates;
        const appointmentHeight = this.getVerticalAppointmentHeight(cellHeight, count, appointmentCountPerCell);
        const appointmentTop = coordinates.top + index * appointmentHeight;
        const top = appointmentTop + topOffset;
        const {
            width: width
        } = coordinates;
        const {
            left: left
        } = coordinates;
        if (coordinates.isCompact) {
            this.isAdaptive && this._correctCollectorCoordinatesInAdaptive(coordinates, isAllDay);
            this._markAppointmentAsVirtual(coordinates, isAllDay)
        }
        return {
            height: appointmentHeight,
            width: width,
            top: top,
            left: left,
            empty: this._isAppointmentEmpty(cellHeight, width)
        }
    }
    _isAppointmentEmpty(height, width) {
        return height < this._getAppointmentMinHeight() || width < this._getAppointmentMinWidth()
    }
    _calculateGeometryConfig(coordinates) {
        const overlappingMode = this.maxAppointmentsPerCell;
        const offsets = this._getOffsets();
        const appointmentDefaultOffset = this._getAppointmentDefaultOffset();
        let appointmentCountPerCell = this._getAppointmentCount(overlappingMode, coordinates);
        let ratio = this._getDefaultRatio(coordinates, appointmentCountPerCell);
        let maxHeight = this._getMaxHeight();
        if (!(0, _type.isNumeric)(appointmentCountPerCell)) {
            appointmentCountPerCell = coordinates.count;
            ratio = (maxHeight - offsets.unlimited) / maxHeight
        }
        let topOffset = (1 - ratio) * maxHeight;
        if ("auto" === overlappingMode || (0, _type.isNumeric)(overlappingMode)) {
            ratio = 1;
            maxHeight -= appointmentDefaultOffset;
            topOffset = appointmentDefaultOffset
        }
        return {
            height: ratio * maxHeight,
            appointmentCountPerCell: appointmentCountPerCell,
            offset: topOffset
        }
    }
    _getAppointmentCount(overlappingMode, coordinates) {}
    _getDefaultRatio(coordinates, appointmentCountPerCell) {}
    _getOffsets() {}
    _getMaxHeight() {}
    _needVerifyItemSize() {
        return false
    }
    _getMaxAppointmentCountPerCell() {
        if (!this._maxAppointmentCountPerCell) {
            const overlappingMode = this.maxAppointmentsPerCell;
            let appointmentCountPerCell;
            if ((0, _type.isNumeric)(overlappingMode)) {
                appointmentCountPerCell = overlappingMode
            }
            if ("auto" === overlappingMode) {
                appointmentCountPerCell = this._getDynamicAppointmentCountPerCell()
            }
            if ("unlimited" === overlappingMode) {
                appointmentCountPerCell = void 0
            }
            this._maxAppointmentCountPerCell = appointmentCountPerCell
        }
        return this._maxAppointmentCountPerCell
    }
    _getDynamicAppointmentCountPerCell() {
        return this.getPositioningStrategy().getDynamicAppointmentCountPerCell()
    }
    allDaySupported() {
        return false
    }
    _isCompactTheme() {
        return "compact" === ((0, _themes.current)() || "").split(".").pop()
    }
    _getAppointmentDefaultOffset() {
        return this.getPositioningStrategy().getAppointmentDefaultOffset()
    }
    _getAppointmentDefaultHeight() {
        return this._getAppointmentHeightByTheme()
    }
    _getAppointmentMinHeight() {
        return this._getAppointmentDefaultHeight()
    }
    _getAppointmentHeightByTheme() {
        return this._isCompactTheme() ? 18 : 20
    }
    _getAppointmentDefaultWidth() {
        return this.getPositioningStrategy()._getAppointmentDefaultWidth()
    }
    _getAppointmentMinWidth() {
        return this._getAppointmentDefaultWidth()
    }
    _needVerticalGroupBounds(allDay) {
        return false
    }
    _needHorizontalGroupBounds() {
        return false
    }
    getAppointmentDurationInMs(apptStartDate, apptEndDate, allDay) {
        if (allDay) {
            const appointmentDuration = apptEndDate.getTime() - apptStartDate.getTime();
            const ceilQuantityOfDays = Math.ceil(appointmentDuration / toMs("day"));
            return ceilQuantityOfDays * this.visibleDayDuration
        }
        const msInHour = toMs("hour");
        const trimmedStartDate = _date.default.trimTime(apptStartDate);
        const trimmedEndDate = _date.default.trimTime(apptEndDate);
        const deltaDate = trimmedEndDate - trimmedStartDate;
        const quantityOfDays = deltaDate / toMs("day") + 1;
        const dayVisibleHours = this.endDayHour - this.startDayHour;
        const appointmentDayHours = dayVisibleHours * quantityOfDays;
        const startHours = (apptStartDate - trimmedStartDate) / msInHour;
        const apptStartDelta = Math.max(0, startHours - this.startDayHour);
        const endHours = Math.max(0, (apptEndDate - trimmedEndDate) / msInHour - this.startDayHour);
        const apptEndDelta = Math.max(0, dayVisibleHours - endHours);
        const result = (appointmentDayHours - (apptStartDelta + apptEndDelta)) * msInHour;
        return result
    }
    getPositionShift(timeShift, isAllDay) {
        return {
            top: timeShift * this.cellHeight,
            left: 0,
            cellPosition: 0
        }
    }
    shiftAppointmentByViewOffset(appointment) {
        const {
            viewOffset: viewOffset
        } = this.options;
        const startDateField = this.dataAccessors.expr.startDateExpr;
        const endDateField = this.dataAccessors.expr.endDateExpr;
        let startDate = new Date(_m_expression_utils.ExpressionUtils.getField(this.dataAccessors, "startDate", appointment));
        startDate = _date2.dateUtilsTs.addOffsets(startDate, [-viewOffset]);
        let endDate = new Date(_m_expression_utils.ExpressionUtils.getField(this.dataAccessors, "endDate", appointment));
        endDate = _date2.dateUtilsTs.addOffsets(endDate, [-viewOffset]);
        return _extends({}, appointment, {
            [startDateField]: startDate,
            [endDateField]: endDate
        })
    }
}
var _default = exports.default = BaseRenderingStrategy;
