import { getAssetPath } from '@stencil/core';
let CACHED_MAP;
export const getIconMap = () => {
    if (!CACHED_MAP) {
        const win = window;
        win.Ionicons = win.Ionicons || {};
        CACHED_MAP = win.Ionicons.map = win.Ionicons.map || new Map();
    }
    return CACHED_MAP;
};
export const addIcons = (icons) => {
    const map = getIconMap();
    Object.keys(icons).forEach(name => {
        map.set(name, icons[name]);
    });
};
export const getUrl = (i) => {
    let url = getSrc(i.src);
    if (url) {
        return url;
    }
    url = getName(i.name, i.icon, i.mode, i.ios, i.md);
    if (url) {
        return getNamedUrl(url);
    }
    if (i.icon) {
        url = getSrc(i.icon);
        if (url) {
            return url;
        }
        url = getSrc(i.icon[i.mode]);
        if (url) {
            return url;
        }
    }
    return null;
};
const getNamedUrl = (name) => {
    const url = getIconMap().get(name);
    if (url) {
        return url;
    }
    return getAssetPath(`svg/${name}.svg`);
};
export const getName = (name, icon, mode, ios, md) => {
    // default to "md" if somehow the mode wasn't set
    mode = (mode && mode.toLowerCase()) === 'ios' ? 'ios' : 'md';
    // if an icon was passed in using the ios or md attributes
    // set the iconName to whatever was passed in
    if (ios && mode === 'ios') {
        name = ios.toLowerCase();
    }
    else if (md && mode === 'md') {
        name = md.toLowerCase();
    }
    else {
        if (!name && icon && !isSrc(icon)) {
            name = icon;
        }
        if (isStr(name)) {
            name = name.toLowerCase();
            if (!/^md-|^ios-|^logo-/.test(name)) {
                // this does not have one of the defaults
                // so lets auto add in the mode prefix for them
                name = mode + '-' + name;
            }
        }
    }
    if (!isStr(name) || name.trim() === '') {
        return null;
    }
    // only allow alpha characters and dash
    const invalidChars = name.replace(/[a-z]|-|\d/gi, '');
    if (invalidChars !== '') {
        return null;
    }
    return name;
};
export const getSrc = (src) => {
    if (isStr(src)) {
        src = src.trim();
        if (isSrc(src)) {
            return src;
        }
    }
    return null;
};
export const isSrc = (str) => {
    return str.length > 0 && /(\/|\.)/.test(str);
};
export const isStr = (val) => typeof val === 'string';
