//------------------------------------------------------------------
// Programmer: Adam Street 
// Contact: streetdev.info@gmail.com
// Date: 6/22/17
//
// Description: This code uses the wikipedia api to search wikipedia for the inputed text .
//It will then create div elements to display retrieved info. 
//You can click on the div to load the wiki page in a new window.
//------------------------------------------------------------------

$(document).ready(function() {

  //used to store wiki titles for loading url
var titleList = [];
  
// selects seatch bar on load ****DISABLE THIS BEFORE WORKING ON SCRIPT****
var input = $("#search-bar");
input.focus();
input.select();

//search wiki for input on enter press
$("#search-bar").keyup(function(event) {
  if (event.keyCode == 13) {
    searchWiki();
    // Removes input text
    input.val("");
    //enable intro animation
    $("#search-bar").toggleClass("search-box-search");
    setTimeout(disableIntroAnimation, 1000);
    function disableIntroAnimation() {
      $("#search-bar").toggleClass("search-box-search");
    }
  }
});
});
function searchWiki() {
  titleList= [];
  var searchText = $("#search-bar").val();
  
  //if input bar is blank get random page
  if(searchText.length === 0){
    randomWiki();
  }
  
  var api =
    "https://en.wikipedia.org/w/api.php?action=query&format=json&list=search&utf8=1&callback=?&srsearch=";
  var url = api + searchText;
  $.getJSON(url, function(json) {
    var query = json["query"];
    var searchResults = query["search"];
    var resultAmmount = searchResults.length;
    $(".search-container").empty();
    if (resultAmmount > 0) {
      for (var i = 0; i < resultAmmount; i++) {
        var unit = searchResults[i];
        var title = unit["title"];
        titleList.push(title);
        var snippet = unit["snippet"];
        var titleHTML = '<p class="result-title">' + title + "</p>";
        var contentHTML = "<p>" + snippet + "</p>";
        $(".search-container").append(
          '<div class="result-box" onclick="loadWiki(' + i + ')">' +
            titleHTML +
            contentHTML +
            "</div>"
        );
      }
    } else {
      $(".search-container").append(
        
        '<div class="result-box"><div><i class="fa fa-meh-o fa-3x" aria-hidden="true"></i></div><div>No results found</div></div>'
      );
    }
    //enable intro animation
    $(".result-box").toggleClass("result-box-intro");
    //disable intro animation after finished playing
    setTimeout(disableIntroAnimation, 1000);
    function disableIntroAnimation() {
      $(".result-box").toggleClass("result-box-intro");
    }
  });
} 
function loadWiki(index) {
  window.open("https://en.wikipedia.org/wiki/ " + titleList[index]);
}
function randomWiki(){
    var url = 'https://en.wikipedia.org/wiki/Special:Random';
    window.open(url , '_blank');
}