/*!
 * (C) Ionic http://ionicframework.com - MIT License
 */
import { Context, setMode, getMode } from '@stencil/core/internal/client';
import { s as setupPlatforms, i as isPlatform } from './platform.js';

class Config {
  constructor() {
    this.m = new Map();
  }
  reset(configObj) {
    this.m = new Map(Object.entries(configObj));
  }
  get(key, fallback) {
    const value = this.m.get(key);
    return value !== undefined ? value : fallback;
  }
  getBoolean(key, fallback = false) {
    const val = this.m.get(key);
    if (val === undefined) {
      return fallback;
    }
    if (typeof val === 'string') {
      return val === 'true';
    }
    return !!val;
  }
  getNumber(key, fallback) {
    const val = parseFloat(this.m.get(key));
    return isNaN(val) ? (fallback !== undefined ? fallback : NaN) : val;
  }
  set(key, value) {
    this.m.set(key, value);
  }
}
const config = /*@__PURE__*/ new Config();
const configFromSession = (win) => {
  try {
    const configStr = win.sessionStorage.getItem(IONIC_SESSION_KEY);
    return configStr !== null ? JSON.parse(configStr) : {};
  }
  catch (e) {
    return {};
  }
};
const saveConfig = (win, c) => {
  try {
    win.sessionStorage.setItem(IONIC_SESSION_KEY, JSON.stringify(c));
  }
  catch (e) {
    return;
  }
};
const configFromURL = (win) => {
  const configObj = {};
  win.location.search
    .slice(1)
    .split('&')
    .map(entry => entry.split('='))
    .map(([key, value]) => [decodeURIComponent(key), decodeURIComponent(value)])
    .filter(([key]) => startsWith(key, IONIC_PREFIX))
    .map(([key, value]) => [key.slice(IONIC_PREFIX.length), value])
    .forEach(([key, value]) => {
    configObj[key] = value;
  });
  return configObj;
};
const startsWith = (input, search) => {
  return input.substr(0, search.length) === search;
};
const IONIC_PREFIX = 'ionic:';
const IONIC_SESSION_KEY = 'ionic-persist-config';

let defaultMode;
const getIonMode = (ref) => {
  return (ref && getMode(ref)) || defaultMode;
};
const initialize = (userConfig = {}) => {
  if (typeof window === 'undefined') {
    return;
  }
  const doc = window.document;
  const win = window;
  Context.config = config;
  const Ionic = win.Ionic = win.Ionic || {};
  // Setup platforms
  setupPlatforms(win);
  // create the Ionic.config from raw config object (if it exists)
  // and convert Ionic.config into a ConfigApi that has a get() fn
  const configObj = Object.assign(Object.assign(Object.assign(Object.assign(Object.assign({}, configFromSession(win)), { persistConfig: false }), Ionic.config), configFromURL(win)), userConfig);
  config.reset(configObj);
  if (config.getBoolean('persistConfig')) {
    saveConfig(win, configObj);
  }
  // first see if the mode was set as an attribute on <html>
  // which could have been set by the user, or by pre-rendering
  // otherwise get the mode via config settings, and fallback to md
  Ionic.config = config;
  Ionic.mode = defaultMode = config.get('mode', (doc.documentElement.getAttribute('mode')) || (isPlatform(win, 'ios') ? 'ios' : 'md'));
  config.set('mode', defaultMode);
  doc.documentElement.setAttribute('mode', defaultMode);
  doc.documentElement.classList.add(defaultMode);
  if (config.getBoolean('_testing')) {
    config.set('animated', false);
  }
  const isIonicElement = (elm) => elm.tagName && elm.tagName.startsWith('ION-');
  const isAllowedIonicModeValue = (elmMode) => ['ios', 'md'].includes(elmMode);
  setMode((elm) => {
    while (elm) {
      const elmMode = elm.mode || elm.getAttribute('mode');
      if (elmMode) {
        if (isAllowedIonicModeValue(elmMode)) {
          return elmMode;
        }
        else if (isIonicElement(elm)) {
          console.warn('Invalid ionic mode: "' + elmMode + '", expected: "ios" or "md"');
        }
      }
      elm = elm.parentElement;
    }
    return defaultMode;
  });
};

export { config as c, getIonMode as g, initialize as i };
