"use strict";

var COOKIE_VIEW_MODE_KEY = "viewMode=";

function parseJson(content) {
  var list = [];
  var data = content.split("&");
  for (var i = 0; i < data.length - 1; i++) {
    try {
      var area_data = data[i].split("=");
      var area = {
        name: area_data[0],
        code: area_data[1],
        x_pos: area_data[2],
        y_pos: area_data[3]
      };
      list.push(area);
    } catch (e) {}
  }
  return list;
}

function readTextFile(file) {
  var rawFile = new XMLHttpRequest();
  var content = null;
  rawFile.open("GET", file, false);
  rawFile.onreadystatechange = function () {
    if (rawFile.readyState === 4) {
      if (rawFile.status === 200 || rawFile.status == 0) {
        content = rawFile.responseText;
      }
    }
  };
  rawFile.send(null);
  return content;
}

function getCoords(x, y) {
  var WIDTH = 64;
  var HEIGHT = 32;
  var x2 = parseInt(x) + WIDTH;
  var y2 = parseInt(y) + HEIGHT;
  return x + "," + y + "," + x2 + "," + y2;
}

function setViewMode(mode) {
  var LIVE_TIME = 30; // will be expired in 30 days.
  var expDate = new Date();
  expDate.setTime(expDate.getTime() + LIVE_TIME * 24 * 60 * 60 * 1000);
  var expires = "expires=" + expDate.toUTCString();
  document.cookie = COOKIE_VIEW_MODE_KEY + mode + ";" + expires + ";path=/";
}

function getViewMode() {
  var cookieData = document.cookie.split(";");
  for (var i = 0; i < cookieData.length; i++) {
    var c = cookieData[i];
    while (c.charAt(0) == " ") {
      c = c.substring(1);
    }
    if (c.indexOf(COOKIE_VIEW_MODE_KEY) == 0) {
      return c.substring(COOKIE_VIEW_MODE_KEY.length, c.length);
    }
  }
  return "";
}

function getHostName() {
  var PRO_HOST = "www.mapion.co.jp";
  var PRO_SUBDOMAIN = "mweather";
  var STG_SUBDOMAIN = "mweather-stg";
  return "https://" + (location.hostname == PRO_HOST ? PRO_SUBDOMAIN : STG_SUBDOMAIN) + ".mapion.co.jp";
}