/**
 * DevExtreme (renovation/pager/pages-large.p.js)
 * Version: 20.2.0 (build 20182-0310)
 * Build date: Tue Jun 30 2020
 *
 * Copyright (c) 2012 - 2020 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
"use strict";

function _typeof(obj) {
    "@babel/helpers - typeof";
    if ("function" === typeof Symbol && "symbol" === typeof Symbol.iterator) {
        _typeof = function(obj) {
            return typeof obj
        }
    } else {
        _typeof = function(obj) {
            return obj && "function" === typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj
        }
    }
    return _typeof(obj)
}
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.PagesLargeProps = exports.viewFunction = void 0;
exports.default = PagesLarge;
var _page = require("./page.p");
var _page2 = _interopRequireDefault(_page);
var _preact = require("preact");
var Preact = _interopRequireWildcard(_preact);
var _hooks = require("preact/hooks");

function _getRequireWildcardCache() {
    if ("function" !== typeof WeakMap) {
        return null
    }
    var cache = new WeakMap;
    _getRequireWildcardCache = function() {
        return cache
    };
    return cache
}

function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
        return obj
    }
    if (null === obj || "object" !== _typeof(obj) && "function" !== typeof obj) {
        return {
            "default": obj
        }
    }
    var cache = _getRequireWildcardCache();
    if (cache && cache.has(obj)) {
        return cache.get(obj)
    }
    var newObj = {};
    var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
    for (var key in obj) {
        if (Object.prototype.hasOwnProperty.call(obj, key)) {
            var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
            if (desc && (desc.get || desc.set)) {
                Object.defineProperty(newObj, key, desc)
            } else {
                newObj[key] = obj[key]
            }
        }
    }
    newObj.default = obj;
    if (cache) {
        cache.set(obj, newObj)
    }
    return newObj
}

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

function ownKeys(object, enumerableOnly) {
    var keys = Object.keys(object);
    if (Object.getOwnPropertySymbols) {
        var symbols = Object.getOwnPropertySymbols(object);
        if (enumerableOnly) {
            symbols = symbols.filter(function(sym) {
                return Object.getOwnPropertyDescriptor(object, sym).enumerable
            })
        }
        keys.push.apply(keys, symbols)
    }
    return keys
}

function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
        var source = null != arguments[i] ? arguments[i] : {};
        if (i % 2) {
            ownKeys(Object(source), true).forEach(function(key) {
                _defineProperty(target, key, source[key])
            })
        } else {
            if (Object.getOwnPropertyDescriptors) {
                Object.defineProperties(target, Object.getOwnPropertyDescriptors(source))
            } else {
                ownKeys(Object(source)).forEach(function(key) {
                    Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key))
                })
            }
        }
    }
    return target
}

function _defineProperty(obj, key, value) {
    if (key in obj) {
        Object.defineProperty(obj, key, {
            value: value,
            enumerable: true,
            configurable: true,
            writable: true
        })
    } else {
        obj[key] = value
    }
    return obj
}

function _objectWithoutProperties(source, excluded) {
    if (null == source) {
        return {}
    }
    var target = _objectWithoutPropertiesLoose(source, excluded);
    var key, i;
    if (Object.getOwnPropertySymbols) {
        var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
        for (i = 0; i < sourceSymbolKeys.length; i++) {
            key = sourceSymbolKeys[i];
            if (excluded.indexOf(key) >= 0) {
                continue
            }
            if (!Object.prototype.propertyIsEnumerable.call(source, key)) {
                continue
            }
            target[key] = source[key]
        }
    }
    return target
}

function _objectWithoutPropertiesLoose(source, excluded) {
    if (null == source) {
        return {}
    }
    var target = {};
    var sourceKeys = Object.keys(source);
    var key, i;
    for (i = 0; i < sourceKeys.length; i++) {
        key = sourceKeys[i];
        if (excluded.indexOf(key) >= 0) {
            continue
        }
        target[key] = source[key]
    }
    return target
}

function _slicedToArray(arr, i) {
    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest()
}

function _nonIterableRest() {
    throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")
}

function _iterableToArrayLimit(arr, i) {
    if ("undefined" === typeof Symbol || !(Symbol.iterator in Object(arr))) {
        return
    }
    var _arr = [];
    var _n = true;
    var _d = false;
    var _e = void 0;
    try {
        for (var _s, _i = arr[Symbol.iterator](); !(_n = (_s = _i.next()).done); _n = true) {
            _arr.push(_s.value);
            if (i && _arr.length === i) {
                break
            }
        }
    } catch (err) {
        _d = true;
        _e = err
    } finally {
        try {
            if (!_n && null != _i.return) {
                _i.return()
            }
        } finally {
            if (_d) {
                throw _e
            }
        }
    }
    return _arr
}

function _arrayWithHoles(arr) {
    if (Array.isArray(arr)) {
        return arr
    }
}

function _toConsumableArray(arr) {
    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread()
}

function _nonIterableSpread() {
    throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")
}

function _unsupportedIterableToArray(o, minLen) {
    if (!o) {
        return
    }
    if ("string" === typeof o) {
        return _arrayLikeToArray(o, minLen)
    }
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if ("Object" === n && o.constructor) {
        n = o.constructor.name
    }
    if ("Map" === n || "Set" === n) {
        return Array.from(o)
    }
    if ("Arguments" === n || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) {
        return _arrayLikeToArray(o, minLen)
    }
}

function _iterableToArray(iter) {
    if ("undefined" !== typeof Symbol && Symbol.iterator in Object(iter)) {
        return Array.from(iter)
    }
}

function _arrayWithoutHoles(arr) {
    if (Array.isArray(arr)) {
        return _arrayLikeToArray(arr)
    }
}

function _arrayLikeToArray(arr, len) {
    if (null == len || len > arr.length) {
        len = arr.length
    }
    for (var i = 0, arr2 = new Array(len); i < len; i++) {
        arr2[i] = arr[i]
    }
    return arr2
}
var PAGER_PAGE_SEPARATOR_CLASS = "dx-separator";
var viewFunction = exports.viewFunction = function(_ref) {
    var pages = _ref.pages;
    var PagesMarkup = pages.map(function(pageProps) {
        return null !== pageProps ? Preact.h(_page2.default, {
            key: pageProps.index,
            index: pageProps.index,
            selected: pageProps.selected,
            onClick: pageProps.onClick
        }) : Preact.h("div", {
            key: "delimiter",
            className: PAGER_PAGE_SEPARATOR_CLASS
        }, ". . .")
    });
    return Preact.h(Preact.Fragment, null, PagesMarkup)
};
var PagesLargeProps = exports.PagesLargeProps = {
    maxPagesCount: 10,
    pageCount: 10,
    pageIndex: 0,
    rtlEnabled: false,
    pageIndexChange: function() {}
};
var PAGES_LIMITER = 4;

function getDelimiterType(startIndex, slidingWindowSize, pageCount) {
    if (1 === startIndex) {
        return "high"
    }
    if (startIndex + slidingWindowSize === pageCount - 1) {
        return "low"
    }
    return "both"
}

function createPageIndexesBySlidingWindowIndexes(slidingWindowIndexes, pageCount, delimiter) {
    var pageIndexes = [];
    var indexesForReuse = [];
    if ("none" === delimiter) {
        pageIndexes = _toConsumableArray(slidingWindowIndexes)
    } else {
        if ("both" === delimiter) {
            pageIndexes = [0, null].concat(_toConsumableArray(slidingWindowIndexes), [null, pageCount - 1]);
            indexesForReuse = slidingWindowIndexes.slice(1, -1)
        } else {
            if ("high" === delimiter) {
                pageIndexes = [0].concat(_toConsumableArray(slidingWindowIndexes), [null, pageCount - 1]);
                indexesForReuse = slidingWindowIndexes.slice(0, -1)
            } else {
                if ("low" === delimiter) {
                    pageIndexes = [0, null].concat(_toConsumableArray(slidingWindowIndexes), [pageCount - 1]);
                    indexesForReuse = slidingWindowIndexes.slice(1)
                }
            }
        }
    }
    return {
        slidingWindowIndexes: slidingWindowIndexes,
        indexesForReuse: indexesForReuse,
        pageIndexes: pageIndexes
    }
}

function createPageIndexes(startIndex, slidingWindowSize, pageCount, delimiter) {
    var slidingWindowIndexes = [];
    for (var i = 0; i < slidingWindowSize; i += 1) {
        slidingWindowIndexes.push(i + startIndex)
    }
    return createPageIndexesBySlidingWindowIndexes(slidingWindowIndexes, pageCount, delimiter)
}

function PagesLarge(props) {
    var _useState = (0, _hooks.useState)({
            indexesForReuse: [],
            slidingWindowIndexes: []
        }),
        _useState2 = _slicedToArray(_useState, 2),
        __state_slidingWindowState = _useState2[0];
    _useState2[1];
    var __pages = (0, _hooks.useCallback)(function() {
        var pageIndex = props.pageIndex;
        var createPage = function() {
            var index = arguments.length > 0 && void 0 !== arguments[0] ? arguments[0] : 0;
            return {
                index: index,
                onClick: function() {
                    return onPageClick(index)
                },
                selected: pageIndex === index
            }
        };
        var rtlPageIndexes = props.rtlEnabled ? _toConsumableArray(__pageIndexes()).reverse() : __pageIndexes();
        return rtlPageIndexes.map(function(index) {
            return null === index ? null : createPage(index)
        })
    }, [props.pageIndex, props.pageIndexChange, props.rtlEnabled, props.pageCount, props.maxPagesCount, __state_slidingWindowState]);
    var canReuseSlidingWindow = (0, _hooks.useCallback)(function(currentPageCount) {
        var pageIndex = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : 0;
        var indexesForReuse = __state_slidingWindowState.indexesForReuse;
        var currentPageNotExistInIndexes = indexesForReuse.indexOf(currentPageCount) === -1;
        var pageIndexExistInIndexes = indexesForReuse.indexOf(pageIndex) !== -1;
        return currentPageNotExistInIndexes && pageIndexExistInIndexes
    }, []);
    var generatePageIndexes = (0, _hooks.useCallback)(function() {
        var pageCount = props.pageCount,
            pageIndex = props.pageIndex;
        var startIndex = 0;
        var slidingWindowSize = 0;
        var delimiter = "none";
        var slidingWindow = __state_slidingWindowState.slidingWindowIndexes;
        if (pageIndex === slidingWindow[0]) {
            startIndex = pageIndex - 1;
            slidingWindowSize = PAGES_LIMITER;
            delimiter = getDelimiterType(startIndex, slidingWindowSize, pageCount)
        } else {
            if (pageIndex === slidingWindow[slidingWindow.length - 1]) {
                startIndex = pageIndex + 2 - PAGES_LIMITER;
                slidingWindowSize = PAGES_LIMITER;
                delimiter = getDelimiterType(startIndex, slidingWindowSize, pageCount)
            } else {
                if (pageIndex < PAGES_LIMITER) {
                    startIndex = 1;
                    slidingWindowSize = PAGES_LIMITER;
                    delimiter = getDelimiterType(startIndex, slidingWindowSize, pageCount)
                } else {
                    if (pageIndex >= pageCount - PAGES_LIMITER) {
                        startIndex = pageCount - PAGES_LIMITER - 1;
                        slidingWindowSize = PAGES_LIMITER;
                        delimiter = getDelimiterType(startIndex, slidingWindowSize, pageCount)
                    } else {
                        startIndex = pageIndex - 1;
                        slidingWindowSize = PAGES_LIMITER;
                        delimiter = getDelimiterType(startIndex, slidingWindowSize, pageCount)
                    }
                }
            }
        }
        var _createPageIndexes = createPageIndexes(startIndex, slidingWindowSize, pageCount, delimiter),
            pageIndexes = _createPageIndexes.pageIndexes,
            state = _objectWithoutProperties(_createPageIndexes, ["pageIndexes"]);
        patchState(state);
        return pageIndexes
    }, [props.pageCount, props.pageIndex, __state_slidingWindowState]);
    var patchState = (0, _hooks.useCallback)(function(_ref2) {
        var indexesForReuse = _ref2.indexesForReuse,
            slidingWindowIndexes = _ref2.slidingWindowIndexes;
        __state_slidingWindowState.slidingWindowIndexes = slidingWindowIndexes;
        __state_slidingWindowState.indexesForReuse = indexesForReuse
    }, []);
    var isSlidingWindowMode = (0, _hooks.useCallback)(function() {
        var maxPagesCount = props.maxPagesCount,
            pageCount = props.pageCount;
        return pageCount <= PAGES_LIMITER || pageCount <= maxPagesCount
    }, [props.maxPagesCount, props.pageCount]);
    var __pageIndexes = (0, _hooks.useCallback)(function() {
        var pageCount = props.pageCount;
        if (isSlidingWindowMode()) {
            return createPageIndexes(0, pageCount, pageCount, "none").pageIndexes
        }
        if (canReuseSlidingWindow(pageCount, props.pageIndex)) {
            var slidingWindowIndexes = __state_slidingWindowState.slidingWindowIndexes;
            var delimiter = getDelimiterType(slidingWindowIndexes[0], PAGES_LIMITER, pageCount);
            return createPageIndexesBySlidingWindowIndexes(slidingWindowIndexes, pageCount, delimiter).pageIndexes
        }
        return generatePageIndexes()
    }, [props.pageCount, props.maxPagesCount, props.pageIndex, __state_slidingWindowState]);
    var onPageClick = (0, _hooks.useCallback)(function(pageIndex) {
        var _props$pageIndexChang;
        null === (_props$pageIndexChang = props.pageIndexChange) || void 0 === _props$pageIndexChang ? void 0 : _props$pageIndexChang.call(props, pageIndex)
    }, [props.pageIndexChange]);
    var __restAttributes = (0, _hooks.useCallback)(function() {
        var restProps = (props.maxPagesCount, props.pageCount, props.pageIndex, props.pageIndexChange, props.rtlEnabled, _objectWithoutProperties(props, ["maxPagesCount", "pageCount", "pageIndex", "pageIndexChange", "rtlEnabled"]));
        return restProps
    }, [props]);
    return viewFunction({
        props: _objectSpread({}, props),
        slidingWindowState: __state_slidingWindowState,
        pages: __pages(),
        canReuseSlidingWindow: canReuseSlidingWindow,
        generatePageIndexes: generatePageIndexes,
        patchState: patchState,
        isSlidingWindowMode: isSlidingWindowMode,
        pageIndexes: __pageIndexes(),
        onPageClick: onPageClick,
        restAttributes: __restAttributes()
    })
}
PagesLarge.defaultProps = _objectSpread({}, PagesLargeProps);
