'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

const core = require('./core-7de6caae.js');
const helpers = require('./helpers-008e1ab1.js');
const theme = require('./theme-eb1a6de3.js');
const overlays = require('./overlays-f89b754f.js');
const watchOptions = require('./watch-options-0e214d75.js');

const Select = class {
    constructor(hostRef) {
        core.registerInstance(this, hostRef);
        this.inputId = `ion-sel-${selectIds++}`;
        this.didInit = false;
        this.isExpanded = false;
        /**
         * If `true`, the user cannot interact with the select.
         */
        this.disabled = false;
        /**
         * The text to display on the cancel button.
         */
        this.cancelText = 'Cancel';
        /**
         * The text to display on the ok button.
         */
        this.okText = 'OK';
        /**
         * The name of the control, which is submitted with the form data.
         */
        this.name = this.inputId;
        /**
         * If `true`, the select can accept multiple values.
         */
        this.multiple = false;
        /**
         * The interface the select should use: `action-sheet`, `popover` or `alert`.
         */
        this.interface = 'alert';
        /**
         * Any additional options that the `alert`, `action-sheet` or `popover` interface
         * can take. See the [AlertController API docs](../../alert/AlertController/#create), the
         * [ActionSheetController API docs](../../action-sheet/ActionSheetController/#create) and the
         * [PopoverController API docs](../../popover/PopoverController/#create) for the
         * create options for each interface.
         */
        this.interfaceOptions = {};
        this.onClick = (ev) => {
            this.setFocus();
            this.open(ev);
        };
        this.onFocus = () => {
            this.ionFocus.emit();
        };
        this.onBlur = () => {
            this.ionBlur.emit();
        };
        this.ionChange = core.createEvent(this, "ionChange", 7);
        this.ionCancel = core.createEvent(this, "ionCancel", 7);
        this.ionFocus = core.createEvent(this, "ionFocus", 7);
        this.ionBlur = core.createEvent(this, "ionBlur", 7);
        this.ionStyle = core.createEvent(this, "ionStyle", 7);
    }
    disabledChanged() {
        this.emitStyle();
    }
    valueChanged() {
        this.updateOptions();
        this.emitStyle();
        if (this.didInit) {
            this.ionChange.emit({
                value: this.value,
            });
        }
    }
    async connectedCallback() {
        if (this.value === undefined) {
            if (this.multiple) {
                // there are no values set at this point
                // so check to see who should be selected
                const checked = this.childOpts.filter(o => o.selected);
                this.value = checked.map(o => getOptionValue(o));
            }
            else {
                const checked = this.childOpts.find(o => o.selected);
                if (checked) {
                    this.value = getOptionValue(checked);
                }
            }
        }
        this.updateOptions();
        this.updateOverlayOptions();
        this.emitStyle();
        this.mutationO = watchOptions.watchForOptions(this.el, 'ion-select-option', async () => {
            this.updateOptions();
            this.updateOverlayOptions();
        });
    }
    disconnectedCallback() {
        if (this.mutationO) {
            this.mutationO.disconnect();
            this.mutationO = undefined;
        }
    }
    componentDidLoad() {
        this.didInit = true;
    }
    /**
     * Open the select overlay. The overlay is either an alert, action sheet, or popover,
     * depending on the `interface` property on the `ion-select`.
     *
     * @param event The user interface event that called the open.
     */
    async open(event) {
        if (this.disabled || this.isExpanded) {
            return undefined;
        }
        const overlay = this.overlay = await this.createOverlay(event);
        this.isExpanded = true;
        overlay.onDidDismiss().then(() => {
            this.overlay = undefined;
            this.isExpanded = false;
            this.setFocus();
        });
        await overlay.present();
        return overlay;
    }
    createOverlay(ev) {
        let selectInterface = this.interface;
        if ((selectInterface === 'action-sheet' || selectInterface === 'popover') && this.multiple) {
            console.warn(`Select interface cannot be "${selectInterface}" with a multi-value select. Using the "alert" interface instead.`);
            selectInterface = 'alert';
        }
        if (selectInterface === 'popover' && !ev) {
            console.warn('Select interface cannot be a "popover" without passing an event. Using the "alert" interface instead.');
            selectInterface = 'alert';
        }
        if (selectInterface === 'popover') {
            return this.openPopover(ev);
        }
        if (selectInterface === 'action-sheet') {
            return this.openActionSheet();
        }
        return this.openAlert();
    }
    updateOverlayOptions() {
        const overlay = this.overlay;
        if (!overlay) {
            return;
        }
        const childOpts = this.childOpts;
        switch (this.interface) {
            case 'action-sheet':
                overlay.buttons = this.createActionSheetButtons(childOpts);
                break;
            case 'popover':
                const popover = overlay.querySelector('ion-select-popover');
                if (popover) {
                    popover.options = this.createPopoverOptions(childOpts);
                }
                break;
            case 'alert':
                const inputType = (this.multiple ? 'checkbox' : 'radio');
                overlay.inputs = this.createAlertInputs(childOpts, inputType);
                break;
        }
    }
    createActionSheetButtons(data) {
        const actionSheetButtons = data.map(option => {
            return {
                role: (option.selected ? 'selected' : ''),
                text: option.textContent,
                handler: () => {
                    this.value = getOptionValue(option);
                }
            };
        });
        // Add "cancel" button
        actionSheetButtons.push({
            text: this.cancelText,
            role: 'cancel',
            handler: () => {
                this.ionCancel.emit();
            }
        });
        return actionSheetButtons;
    }
    createAlertInputs(data, inputType) {
        return data.map(o => {
            return {
                type: inputType,
                label: o.textContent,
                value: getOptionValue(o),
                checked: o.selected,
                disabled: o.disabled
            };
        });
    }
    createPopoverOptions(data) {
        return data.map(o => {
            const value = getOptionValue(o);
            return {
                text: o.textContent,
                value,
                checked: o.selected,
                disabled: o.disabled,
                handler: () => {
                    this.value = value;
                    this.close();
                }
            };
        });
    }
    async openPopover(ev) {
        const interfaceOptions = this.interfaceOptions;
        const mode = core.getIonMode(this);
        const popoverOpts = Object.assign(Object.assign({ mode }, interfaceOptions), { component: 'ion-select-popover', cssClass: ['select-popover', interfaceOptions.cssClass], event: ev, componentProps: {
                header: interfaceOptions.header,
                subHeader: interfaceOptions.subHeader,
                message: interfaceOptions.message,
                value: this.value,
                options: this.createPopoverOptions(this.childOpts)
            } });
        return overlays.popoverController.create(popoverOpts);
    }
    async openActionSheet() {
        const mode = core.getIonMode(this);
        const interfaceOptions = this.interfaceOptions;
        const actionSheetOpts = Object.assign(Object.assign({ mode }, interfaceOptions), { buttons: this.createActionSheetButtons(this.childOpts), cssClass: ['select-action-sheet', interfaceOptions.cssClass] });
        return overlays.actionSheetController.create(actionSheetOpts);
    }
    async openAlert() {
        const label = this.getLabel();
        const labelText = (label) ? label.textContent : null;
        const interfaceOptions = this.interfaceOptions;
        const inputType = (this.multiple ? 'checkbox' : 'radio');
        const mode = core.getIonMode(this);
        const alertOpts = Object.assign(Object.assign({ mode }, interfaceOptions), { header: interfaceOptions.header ? interfaceOptions.header : labelText, inputs: this.createAlertInputs(this.childOpts, inputType), buttons: [
                {
                    text: this.cancelText,
                    role: 'cancel',
                    handler: () => {
                        this.ionCancel.emit();
                    }
                },
                {
                    text: this.okText,
                    handler: (selectedValues) => {
                        this.value = selectedValues;
                    }
                }
            ], cssClass: ['select-alert', interfaceOptions.cssClass,
                (this.multiple ? 'multiple-select-alert' : 'single-select-alert')] });
        return overlays.alertController.create(alertOpts);
    }
    /**
     * Close the select interface.
     */
    close() {
        // TODO check !this.overlay || !this.isFocus()
        if (!this.overlay) {
            return Promise.resolve(false);
        }
        return this.overlay.dismiss();
    }
    updateOptions() {
        // iterate all options, updating the selected prop
        let canSelect = true;
        const { value, childOpts, compareWith, multiple } = this;
        for (const selectOption of childOpts) {
            const optValue = getOptionValue(selectOption);
            const selected = canSelect && isOptionSelected(value, optValue, compareWith);
            selectOption.selected = selected;
            // if current option is selected and select is single-option, we can't select
            // any option more
            if (selected && !multiple) {
                canSelect = false;
            }
        }
    }
    getLabel() {
        return helpers.findItemLabel(this.el);
    }
    hasValue() {
        return this.getText() !== '';
    }
    get childOpts() {
        return Array.from(this.el.querySelectorAll('ion-select-option'));
    }
    getText() {
        const selectedText = this.selectedText;
        if (selectedText != null && selectedText !== '') {
            return selectedText;
        }
        return generateText(this.childOpts, this.value, this.compareWith);
    }
    setFocus() {
        if (this.buttonEl) {
            this.buttonEl.focus();
        }
    }
    emitStyle() {
        this.ionStyle.emit({
            'interactive': true,
            'select': true,
            'has-placeholder': this.placeholder != null,
            'has-value': this.hasValue(),
            'interactive-disabled': this.disabled,
            'select-disabled': this.disabled
        });
    }
    render() {
        const { placeholder, name, disabled, isExpanded, value, el } = this;
        const mode = core.getIonMode(this);
        const labelId = this.inputId + '-lbl';
        const label = helpers.findItemLabel(el);
        if (label) {
            label.id = labelId;
        }
        let addPlaceholderClass = false;
        let selectText = this.getText();
        if (selectText === '' && placeholder != null) {
            selectText = placeholder;
            addPlaceholderClass = true;
        }
        helpers.renderHiddenInput(true, el, name, parseValue(value), disabled);
        const selectTextClasses = {
            'select-text': true,
            'select-placeholder': addPlaceholderClass
        };
        return (core.h(core.Host, { onClick: this.onClick, role: "combobox", "aria-haspopup": "dialog", "aria-disabled": disabled ? 'true' : null, "aria-expanded": `${isExpanded}`, "aria-labelledby": labelId, class: {
                [mode]: true,
                'in-item': theme.hostContext('ion-item', el),
                'select-disabled': disabled,
            } }, core.h("div", { class: selectTextClasses }, selectText), core.h("div", { class: "select-icon", role: "presentation" }, core.h("div", { class: "select-icon-inner" })), core.h("button", { type: "button", onFocus: this.onFocus, onBlur: this.onBlur, disabled: disabled, ref: (btnEl => this.buttonEl = btnEl) })));
    }
    get el() { return core.getElement(this); }
    static get watchers() { return {
        "disabled": ["disabledChanged"],
        "placeholder": ["disabledChanged"],
        "value": ["valueChanged"]
    }; }
    static get style() { return ":host{padding-left:var(--padding-start);padding-right:var(--padding-end);padding-top:var(--padding-top);padding-bottom:var(--padding-bottom);display:-ms-flexbox;display:flex;position:relative;font-family:var(--ion-font-family,inherit);overflow:hidden;z-index:2}\@supports ((-webkit-margin-start:0) or (margin-inline-start:0)) or (-webkit-margin-start:0){:host{padding-left:unset;padding-right:unset;-webkit-padding-start:var(--padding-start);padding-inline-start:var(--padding-start);-webkit-padding-end:var(--padding-end);padding-inline-end:var(--padding-end)}}:host(.in-item){position:static;max-width:45%}:host(.select-disabled){opacity:.4;pointer-events:none}:host(.ion-focused) button{border:2px solid #5e9ed6}.select-placeholder{color:currentColor;opacity:.33}button{left:0;top:0;margin-left:0;margin-right:0;margin-top:0;margin-bottom:0;position:absolute;width:100%;height:100%;border:0;background:transparent;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;outline:none}:host-context([dir=rtl]) button,[dir=rtl] button{left:unset;right:unset;right:0}button::-moz-focus-inner{border:0}.select-icon{position:relative}.select-text{-ms-flex:1;flex:1;min-width:16px;font-size:inherit;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.select-icon-inner{left:5px;top:50%;margin-top:-3px;position:absolute;width:0;height:0;border-top:5px solid;border-right:5px solid transparent;border-left:5px solid transparent;color:currentColor;opacity:.33;pointer-events:none}:host-context([dir=rtl]) .select-icon-inner,[dir=rtl] .select-icon-inner{left:unset;right:unset;right:5px}:host{--padding-top:10px;--padding-end:8px;--padding-bottom:10px;--padding-start:16px}.select-icon{width:12px;height:18px}"; }
};
const getOptionValue = (el) => {
    const value = el.value;
    return (value === undefined)
        ? el.textContent || ''
        : value;
};
const parseValue = (value) => {
    if (value == null) {
        return undefined;
    }
    if (Array.isArray(value)) {
        return value.join(',');
    }
    return value.toString();
};
const isOptionSelected = (currentValue, compareValue, compareWith) => {
    if (currentValue === undefined) {
        return false;
    }
    if (Array.isArray(currentValue)) {
        return currentValue.some(val => compareOptions(val, compareValue, compareWith));
    }
    else {
        return compareOptions(currentValue, compareValue, compareWith);
    }
};
const compareOptions = (currentValue, compareValue, compareWith) => {
    if (typeof compareWith === 'function') {
        return compareWith(currentValue, compareValue);
    }
    else if (typeof compareWith === 'string') {
        return currentValue[compareWith] === compareValue[compareWith];
    }
    else {
        return currentValue === compareValue;
    }
};
const generateText = (opts, value, compareWith) => {
    if (value === undefined) {
        return '';
    }
    if (Array.isArray(value)) {
        return value
            .map(v => textForValue(opts, v, compareWith))
            .filter(opt => opt !== null)
            .join(', ');
    }
    else {
        return textForValue(opts, value, compareWith) || '';
    }
};
const textForValue = (opts, value, compareWith) => {
    const selectOpt = opts.find(opt => {
        return compareOptions(getOptionValue(opt), value, compareWith);
    });
    return selectOpt
        ? selectOpt.textContent
        : null;
};
let selectIds = 0;

exports.ion_select = Select;
