"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const makeup_active_descendant_1 = require("makeup-active-descendant");
const makeup_typeahead_1 = __importDefault(require("makeup-typeahead"));
const element_scroll_1 = require("../../common/element-scroll");
const eventUtils = __importStar(require("../../common/event-utils"));
const TYPEAHEAD_TIMEOUT_LENGTH = 1300;
class Listbox {
    get isAutoSelection() {
        return this.input.listSelection === "auto";
    }
    elementScroll() {
        (0, element_scroll_1.scroll)(this.getEls("option")[this.state.selectedIndex]);
    }
    handleChange(index, wasClicked) {
        if (this.state.selectedIndex !== index) {
            const option = [...(this.input.option || [])][index];
            if (option.disabled) {
                return;
            }
            this.state.selectedIndex = index;
            this.once("update", () => {
                this.emit("change", {
                    index,
                    wasClicked,
                    selected: [option.value],
                    el: this.getEls("option")[index],
                });
            });
        }
    }
    handleClick(index) {
        this.handleChange(index, true);
    }
    handleMouseDown() {
        this.wasClicked = true;
    }
    handleKeyDown(originalEvent) {
        eventUtils.handleEscapeKeydown(originalEvent, () => {
            this.emit("escape");
        });
        eventUtils.handleActionKeydown(originalEvent, () => this.handleChange(this._activeDescendant.index, false));
        const itemIndex = this.getTypeaheadIndex(this.getEl("options").children, originalEvent.key, this.input.typeaheadTimeoutLength || TYPEAHEAD_TIMEOUT_LENGTH);
        if (itemIndex !== -1) {
            this._activeDescendant.index = itemIndex;
            const container = this.getEl("options");
            container.scrollTop =
                this.getEls("option")[itemIndex].offsetTop -
                    container.offsetHeight / 2;
        }
    }
    handleListboxChange(event) {
        const selectedIndex = parseInt(event.detail.toIndex, 10);
        const el = this.getEls("option")[selectedIndex];
        const wasClicked = this.wasClicked;
        (0, element_scroll_1.scroll)(el);
        if (this.wasClicked) {
            this.wasClicked = false;
        }
        this.handleChange(selectedIndex, wasClicked);
    }
    onCreate() {
        this.state = {
            selectedIndex: -1,
        };
    }
    onInput(input) {
        const { state } = this;
        input.option = input.option || [];
        state.selectedIndex = -1;
        let i = 0;
        for (const option of input.option || []) {
            if (option.selected) {
                state.selectedIndex = i;
                break;
            }
            i++;
        }
    }
    onMount() {
        this._setupMakeup();
    }
    onUpdate() {
        this._setupMakeup();
    }
    onRender() {
        if (typeof window !== "undefined") {
            this._cleanupMakeup();
        }
    }
    onDestroy() {
        this._cleanupMakeup();
    }
    _setupMakeup() {
        var _a;
        const { input, state } = this;
        if (((_a = input.option) === null || _a === void 0 ? void 0 : _a.length) && !input.disabled) {
            const container = this.getEl("options");
            const optionsContainer = this.getEl("options");
            this._activeDescendant = (0, makeup_active_descendant_1.createLinear)(container, optionsContainer, optionsContainer, ".listbox__option[role=option]", {
                activeDescendantClassName: "listbox__option--active",
                autoInit: state.selectedIndex,
                autoReset: null,
                autoScroll: !this.isAutoSelection,
            });
            const { getIndex: getTypeaheadIndex, destroy: destroyTypeahead } = (0, makeup_typeahead_1.default)();
            this.getTypeaheadIndex = getTypeaheadIndex;
            this.destroyTypeahead = destroyTypeahead;
        }
    }
    _cleanupMakeup() {
        if (this._activeDescendant) {
            this._activeDescendant.reset();
            this._activeDescendant.destroy();
            this._activeDescendant = undefined;
        }
    }
}
module.exports = Listbox;
