"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var React = require("react");
var Utilities_1 = require("../../../Utilities");
var Button_1 = require("../../../Button");
var Spinner_1 = require("../../../Spinner");
var Announced_1 = require("../../../Announced");
var Suggestions_types_1 = require("./Suggestions.types");
var SuggestionsItem_1 = require("./SuggestionsItem");
var SuggestionsItem_styles_1 = require("./SuggestionsItem.styles");
var stylesImport = require("./Suggestions.scss");
var legacyStyles = stylesImport;
var getClassNames = Utilities_1.classNamesFunction();
var StyledSuggestionsItem = Utilities_1.styled(SuggestionsItem_1.SuggestionsItem, SuggestionsItem_styles_1.getStyles, undefined, { scope: 'SuggestionItem' });
/**
 * {@docCategory Pickers}
 */
var Suggestions = /** @class */ (function (_super) {
    tslib_1.__extends(Suggestions, _super);
    function Suggestions(suggestionsProps) {
        var _this = _super.call(this, suggestionsProps) || this;
        _this._forceResolveButton = React.createRef();
        _this._searchForMoreButton = React.createRef();
        _this._selectedElement = React.createRef();
        /**
         * Returns true if the event was handled, false otherwise
         */
        _this.tryHandleKeyDown = function (keyCode, currentSuggestionIndex) {
            var isEventHandled = false;
            var newSelectedActionType = null;
            var currentSelectedAction = _this.state.selectedActionType;
            var suggestionLength = _this.props.suggestions.length;
            if (keyCode === Utilities_1.KeyCodes.down) {
                switch (currentSelectedAction) {
                    case Suggestions_types_1.SuggestionActionType.forceResolve:
                        if (suggestionLength > 0) {
                            _this._refocusOnSuggestions(keyCode);
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.none;
                        }
                        else if (_this._searchForMoreButton.current) {
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.searchMore;
                        }
                        else {
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.forceResolve;
                        }
                        break;
                    case Suggestions_types_1.SuggestionActionType.searchMore:
                        if (_this._forceResolveButton.current) {
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.forceResolve;
                        }
                        else if (suggestionLength > 0) {
                            _this._refocusOnSuggestions(keyCode);
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.none;
                        }
                        else {
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.searchMore;
                        }
                        break;
                    case Suggestions_types_1.SuggestionActionType.none:
                        if (currentSuggestionIndex === -1 && _this._forceResolveButton.current) {
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.forceResolve;
                        }
                        break;
                }
            }
            else if (keyCode === Utilities_1.KeyCodes.up) {
                switch (currentSelectedAction) {
                    case Suggestions_types_1.SuggestionActionType.forceResolve:
                        if (_this._searchForMoreButton.current) {
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.searchMore;
                        }
                        else if (suggestionLength > 0) {
                            _this._refocusOnSuggestions(keyCode);
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.none;
                        }
                        break;
                    case Suggestions_types_1.SuggestionActionType.searchMore:
                        if (suggestionLength > 0) {
                            _this._refocusOnSuggestions(keyCode);
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.none;
                        }
                        else if (_this._forceResolveButton.current) {
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.forceResolve;
                        }
                        break;
                    case Suggestions_types_1.SuggestionActionType.none:
                        if (currentSuggestionIndex === -1 && _this._searchForMoreButton.current) {
                            newSelectedActionType = Suggestions_types_1.SuggestionActionType.searchMore;
                        }
                        break;
                }
            }
            if (newSelectedActionType !== null) {
                _this.setState({ selectedActionType: newSelectedActionType });
                isEventHandled = true;
            }
            return isEventHandled;
        };
        _this._getAlertText = function () {
            var _a = _this.props, isLoading = _a.isLoading, isSearching = _a.isSearching, suggestions = _a.suggestions, suggestionsAvailableAlertText = _a.suggestionsAvailableAlertText, noResultsFoundText = _a.noResultsFoundText;
            if (!isLoading && !isSearching) {
                if (suggestions.length > 0) {
                    return suggestionsAvailableAlertText || '';
                }
                if (noResultsFoundText) {
                    return noResultsFoundText;
                }
            }
            return '';
        };
        _this._getMoreResults = function () {
            if (_this.props.onGetMoreResults) {
                _this.props.onGetMoreResults();
            }
        };
        _this._forceResolve = function () {
            if (_this.props.createGenericItem) {
                _this.props.createGenericItem();
            }
        };
        _this._shouldShowForceResolve = function () {
            return _this.props.showForceResolve ? _this.props.showForceResolve() : false;
        };
        _this._onClickTypedSuggestionsItem = function (item, index) {
            return function (ev) {
                _this.props.onSuggestionClick(ev, item, index);
            };
        };
        _this._refocusOnSuggestions = function (keyCode) {
            if (typeof _this.props.refocusSuggestions === 'function') {
                _this.props.refocusSuggestions(keyCode);
            }
        };
        _this._onRemoveTypedSuggestionsItem = function (item, index) {
            return function (ev) {
                var onSuggestionRemove = _this.props.onSuggestionRemove;
                onSuggestionRemove(ev, item, index);
                ev.stopPropagation();
            };
        };
        _this.state = {
            selectedActionType: Suggestions_types_1.SuggestionActionType.none
        };
        return _this;
    }
    Suggestions.prototype.componentDidMount = function () {
        this.scrollSelected();
        this.activeSelectedElement = this._selectedElement ? this._selectedElement.current : null;
    };
    Suggestions.prototype.componentDidUpdate = function () {
        // Only scroll to selected element if the selected element has changed. Otherwise do nothing.
        // This prevents some odd behavior where scrolling the active element out of view and clicking on a selected element
        // will trigger a focus event and not give the clicked element the click.
        if (this._selectedElement.current && this.activeSelectedElement !== this._selectedElement.current) {
            this.scrollSelected();
            this.activeSelectedElement = this._selectedElement.current;
        }
    };
    Suggestions.prototype.render = function () {
        var _a, _b;
        var _this = this;
        var _c = this.props, forceResolveText = _c.forceResolveText, mostRecentlyUsedHeaderText = _c.mostRecentlyUsedHeaderText, searchForMoreText = _c.searchForMoreText, className = _c.className, moreSuggestionsAvailable = _c.moreSuggestionsAvailable, noResultsFoundText = _c.noResultsFoundText, suggestions = _c.suggestions, isLoading = _c.isLoading, isSearching = _c.isSearching, loadingText = _c.loadingText, onRenderNoResultFound = _c.onRenderNoResultFound, searchingText = _c.searchingText, isMostRecentlyUsedVisible = _c.isMostRecentlyUsedVisible, resultsMaximumNumber = _c.resultsMaximumNumber, resultsFooterFull = _c.resultsFooterFull, resultsFooter = _c.resultsFooter, _d = _c.isResultsFooterVisible, isResultsFooterVisible = _d === void 0 ? true : _d, suggestionsHeaderText = _c.suggestionsHeaderText, suggestionsClassName = _c.suggestionsClassName, theme = _c.theme, styles = _c.styles, suggestionsListId = _c.suggestionsListId;
        // TODO
        // Clean this up by leaving only the first part after removing support for SASS.
        // Currently we can not remove the SASS styles from Suggestions class because it
        // might be used by consumers separately from pickers extending from BasePicker
        // and have not used the new 'styles' prop. Because it's expecting a type parameter,
        // we can not use the 'styled' function without adding some helpers which can break
        // downstream consumers who did not use the new helpers.
        // We check for 'styles' prop which is going to be injected by the 'styled' HOC
        // in BasePicker when the typed Suggestions class is ready to be rendered. If the check
        // passes we can use the CSS-in-JS styles. If the check fails (ex: custom picker),
        // then we just use the old SASS styles instead.
        this._classNames = styles
            ? getClassNames(styles, {
                theme: theme,
                className: className,
                suggestionsClassName: suggestionsClassName,
                forceResolveButtonSelected: this.state.selectedActionType === Suggestions_types_1.SuggestionActionType.forceResolve,
                searchForMoreButtonSelected: this.state.selectedActionType === Suggestions_types_1.SuggestionActionType.searchMore
            })
            : {
                root: Utilities_1.css('ms-Suggestions', className, legacyStyles.root),
                title: Utilities_1.css('ms-Suggestions-title', legacyStyles.suggestionsTitle),
                searchForMoreButton: Utilities_1.css('ms-SearchMore-button', legacyStyles.actionButton, (_a = {},
                    _a['is-selected ' + legacyStyles.buttonSelected] = this.state.selectedActionType === Suggestions_types_1.SuggestionActionType.searchMore,
                    _a)),
                forceResolveButton: Utilities_1.css('ms-forceResolve-button', legacyStyles.actionButton, (_b = {},
                    _b['is-selected ' + legacyStyles.buttonSelected] = this.state.selectedActionType === Suggestions_types_1.SuggestionActionType.forceResolve,
                    _b)),
                suggestionsAvailable: Utilities_1.css('ms-Suggestions-suggestionsAvailable', legacyStyles.suggestionsAvailable),
                suggestionsContainer: Utilities_1.css('ms-Suggestions-container', legacyStyles.suggestionsContainer, suggestionsClassName),
                noSuggestions: Utilities_1.css('ms-Suggestions-none', legacyStyles.suggestionsNone)
            };
        var spinnerStyles = this._classNames.subComponentStyles
            ? this._classNames.subComponentStyles.spinner
            : undefined;
        // TODO: cleanup after refactor of pickers to composition pattern and remove SASS support.
        var spinnerClassNameOrStyles = styles
            ? { styles: spinnerStyles }
            : { className: Utilities_1.css('ms-Suggestions-spinner', legacyStyles.suggestionsSpinner) };
        var noResults = function () {
            return noResultsFoundText ? React.createElement("div", { className: _this._classNames.noSuggestions }, noResultsFoundText) : null;
        };
        // MostRecently Used text should supercede the header text if it's there and available.
        var headerText = suggestionsHeaderText;
        if (isMostRecentlyUsedVisible && mostRecentlyUsedHeaderText) {
            headerText = mostRecentlyUsedHeaderText;
        }
        var footerTitle = undefined;
        if (isResultsFooterVisible) {
            footerTitle = suggestions.length >= resultsMaximumNumber ? resultsFooterFull : resultsFooter;
        }
        var hasNoSuggestions = (!suggestions || !suggestions.length) && !isLoading;
        var divProps = hasNoSuggestions || isLoading ? { role: 'dialog', id: suggestionsListId } : {};
        return (React.createElement("div", tslib_1.__assign({ className: this._classNames.root }, divProps),
            React.createElement(Announced_1.Announced, { message: this._getAlertText(), "aria-live": "polite" }),
            headerText ? React.createElement("div", { className: this._classNames.title }, headerText) : null,
            forceResolveText && this._shouldShowForceResolve() && (React.createElement(Button_1.CommandButton, { componentRef: this._forceResolveButton, className: this._classNames.forceResolveButton, onClick: this._forceResolve }, forceResolveText)),
            isLoading && React.createElement(Spinner_1.Spinner, tslib_1.__assign({}, spinnerClassNameOrStyles, { label: loadingText })),
            hasNoSuggestions ? (onRenderNoResultFound ? onRenderNoResultFound(undefined, noResults) : noResults()) : this._renderSuggestions(),
            searchForMoreText && moreSuggestionsAvailable && (React.createElement(Button_1.CommandButton, { componentRef: this._searchForMoreButton, className: this._classNames.searchForMoreButton, iconProps: { iconName: 'Search' }, onClick: this._getMoreResults }, searchForMoreText)),
            isSearching ? React.createElement(Spinner_1.Spinner, tslib_1.__assign({}, spinnerClassNameOrStyles, { label: searchingText })) : null,
            footerTitle && !moreSuggestionsAvailable && !isMostRecentlyUsedVisible && !isSearching ? (React.createElement("div", { className: this._classNames.title }, footerTitle(this.props))) : null));
    };
    Suggestions.prototype.hasSuggestedAction = function () {
        return this._searchForMoreButton.current !== undefined || this._forceResolveButton.current !== undefined;
    };
    Suggestions.prototype.hasSuggestedActionSelected = function () {
        return this.state.selectedActionType !== Suggestions_types_1.SuggestionActionType.none;
    };
    Suggestions.prototype.executeSelectedAction = function () {
        switch (this.state.selectedActionType) {
            case Suggestions_types_1.SuggestionActionType.forceResolve:
                this._forceResolve();
                break;
            case Suggestions_types_1.SuggestionActionType.searchMore:
                this._getMoreResults();
                break;
        }
    };
    Suggestions.prototype.focusAboveSuggestions = function () {
        if (this._forceResolveButton.current) {
            this.setState({ selectedActionType: Suggestions_types_1.SuggestionActionType.forceResolve });
        }
        else if (this._searchForMoreButton.current) {
            this.setState({ selectedActionType: Suggestions_types_1.SuggestionActionType.searchMore });
        }
    };
    Suggestions.prototype.focusBelowSuggestions = function () {
        if (this._searchForMoreButton.current) {
            this.setState({ selectedActionType: Suggestions_types_1.SuggestionActionType.searchMore });
        }
        else if (this._forceResolveButton.current) {
            this.setState({ selectedActionType: Suggestions_types_1.SuggestionActionType.forceResolve });
        }
    };
    Suggestions.prototype.focusSearchForMoreButton = function () {
        if (this._searchForMoreButton.current) {
            this._searchForMoreButton.current.focus();
        }
    };
    // TODO get the element to scroll into view properly regardless of direction.
    Suggestions.prototype.scrollSelected = function () {
        if (this._selectedElement.current && this._selectedElement.current.scrollIntoView !== undefined) {
            this._selectedElement.current.scrollIntoView(false);
        }
    };
    Suggestions.prototype._renderSuggestions = function () {
        var _this = this;
        var _a = this.props, onRenderSuggestion = _a.onRenderSuggestion, removeSuggestionAriaLabel = _a.removeSuggestionAriaLabel, suggestionsItemClassName = _a.suggestionsItemClassName, resultsMaximumNumber = _a.resultsMaximumNumber, showRemoveButtons = _a.showRemoveButtons, suggestionsContainerAriaLabel = _a.suggestionsContainerAriaLabel, suggestionsListId = _a.suggestionsListId;
        var suggestions = this.props.suggestions;
        var StyledTypedSuggestionsItem = StyledSuggestionsItem;
        var selectedIndex = -1;
        suggestions.some(function (element, index) {
            if (element.selected) {
                selectedIndex = index;
                return true;
            }
            return false;
        });
        if (resultsMaximumNumber) {
            suggestions =
                selectedIndex >= resultsMaximumNumber
                    ? suggestions.slice(selectedIndex - resultsMaximumNumber + 1, selectedIndex + 1)
                    : suggestions.slice(0, resultsMaximumNumber);
        }
        if (suggestions.length === 0) {
            return null;
        }
        return (React.createElement("div", { className: this._classNames.suggestionsContainer, id: suggestionsListId, role: "listbox", "aria-label": suggestionsContainerAriaLabel }, suggestions.map(function (suggestion, index) { return (React.createElement("div", { ref: suggestion.selected ? _this._selectedElement : undefined, 
            // tslint:disable-next-line:no-string-literal
            key: suggestion.item['key'] ? suggestion.item['key'] : index, id: 'sug-' + index, "aria-selected": suggestion.selected, role: "option", "aria-label": suggestion.ariaLabel },
            React.createElement(StyledTypedSuggestionsItem, { suggestionModel: suggestion, RenderSuggestion: onRenderSuggestion, onClick: _this._onClickTypedSuggestionsItem(suggestion.item, index), className: suggestionsItemClassName, showRemoveButton: showRemoveButtons, removeButtonAriaLabel: removeSuggestionAriaLabel, onRemoveItem: _this._onRemoveTypedSuggestionsItem(suggestion.item, index) }))); })));
    };
    return Suggestions;
}(Utilities_1.BaseComponent));
exports.Suggestions = Suggestions;
//# sourceMappingURL=Suggestions.js.map