<!DOCTYPE html>
<html>
  <head>
    <title>Library</title>
    <script type="text/javascript" src="js/jquery.js"></script>
    <script type="text/javascript" src="js/mustache.js"></script>
    <script type="text/javascript" src="js/lodash.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/tabletop.js/1.5.1/tabletop.min.js"></script>
    <link
      rel="stylesheet"
      href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"
    />
    <link rel="stylesheet" href="css/reset.css" />
    <link rel="stylesheet" href="css/style.css" />
    <link rel="icon" href="favicon.ico" type="image/x-icon" />
    <link
      href="https://fonts.googleapis.com/css?family=Libre+Baskerville:400,700"
      rel="stylesheet"
    />
    <script type="text/javascript">
      var publicSpreadsheetUrl =
        "https://docs.google.com/spreadsheets/d/1w5Dc57wV0_rrKFsG7KM-qdPWEpqYk6lFu3JzAA0cSv0/pubhtml";
      var sortState = {
        sortBy: "authorLast",
        sortOrder: "asc",
      };

      function init() {
        Tabletop.init({
          key: publicSpreadsheetUrl,
          callback: showInfo,
          simpleSheet: true,
        });
      }

      function showInfo(data, tabletop) {
        $("#reloadLink").unbind("click");
        $("#reloadLink").on("click", function () {
          init();
        });

        $("#search").unbind("input");
        $("#search").on("input", function (e) {
          search(data, e.target.value);
        });

        $.each(data, function (key, value) {
          value.sortTitle = titleCleaner(value.title);
          if (!value["isbn-10"] && value["isbn-13"]) {
            value["isbn-10"] = generateISBNfromEAN(value["isbn-13"]);
          }
          if (!value.coverurl && value["isbn-10"]) {
            value.coverurl = generateAmazonCoverUrl(value["isbn-10"]);
          }
        });

        renderTable(data);
      }

      function search(data, searchString) {
        searchBy = searchString
          .toLowerCase()
          .replace('"', "")
          .replace(":", "")
          .replace("'", "")
          .replace(" ", "");
        relevantFields = [
          "title",
          "author",
          "genre",
          "publisher",
          "series",
          "year",
        ];

        if (!searchString) {
          renderTable(data);
          return false;
        }

        renderTable(
          _.filter(data, function (book) {
            return _.find(_.pick(book, relevantFields), function (field) {
              return (
                field
                  .toLowerCase()
                  .replace('"', "")
                  .replace(":", "")
                  .replace("'", "")
                  .replace(" ", "")
                  .indexOf(searchBy) !== -1
              );
            });
          })
        );
      }

      function renderTable(data, sortField) {
        if (sortField) {
          if (sortState.sortBy === sortField) {
            sortState.sortOrder =
              sortState.sortOrder === "asc" ? "desc" : "asc"; // swap if we're looping
          } else {
            sortState.sortOrder = "asc"; // reset if we've changed columns
          }
          sortState.sortBy = sortField;
        }
        data = _.orderBy(
          data,
          function (o) {
            return (
              o[sortState.sortBy].toLowerCase() + o["sortTitle"].toLowerCase()
            );
          },
          sortState.sortOrder
        );

        $.each(data, function (key, value) {
          value.rowNumber = key; // re-key for new sort
        });

        var template = $("#Table").html();
        var rendered = Mustache.render(template, { books: data });
        $("#books").html(rendered);
        $("#books tbody tr")
          .not(":first")
          .on("click", function () {
            updateCurrentBook(data[$(this)[0].id]); // ignore the headers
          });
        $("#books tbody tr th[data-sort-by]").on("click", function () {
          renderTable(data, $(this).data("sortBy")); // only add callback when there's a sortBy attribute
        });
        $("#books tbody tr th[data-sort-by=" + sortState.sortBy + "]").addClass(
          sortState.sortOrder
        );
      }

      function updateCurrentBook(book) {
        var template = $("#View").html();
        var rendered = Mustache.render(template, { book: book });
        $("#current").html(rendered);
      }

      function titleCleaner(title) {
        return title
          .replace('"', "")
          .replace(":", "")
          .replace(/^(An?|The)\s/i, "");
      }

      function generateAmazonCoverUrl(ISBN) {
        return (
          "https://images-na.ssl-images-amazon.com/images/P/" +
          ISBN +
          ".01.LZZ.jpg"
        );
      }

      function generateISBNfromEAN(EAN) {
        ISBN = EAN.slice(3, 12);
        var checkdigit =
          (11 -
            (_.reduce(
              ISBN.split(""),
              function (sum, num, key) {
                return sum + num * (10 - key);
              },
              0
            ) %
              11)) %
          11;
        return ISBN + (checkdigit == 10 ? "X" : checkdigit);
      }

      window.addEventListener("DOMContentLoaded", init);
    </script>
  </head>
  <body>
    <div class="wrapper">
      <div id="header">
        <h1>Library</h1>
        <a target="_blank" href="https://git.yetaga.in/alazyreader/library"
          >git</a
        >
        <a id="reloadLink" href="#">reload</a>
        <div id="searchBox">
          <input
            id="search"
            type="text"
            name="search"
            placeholder="Search..."
          />
        </div>
      </div>
      <div id="current">No Book Selected</div>
      <div id="books"></div>
      <!-- Table goes here -->
    </div>

    <script id="Table" type="text/html">
      <table class="bookTable">
        <tr>
          <th data-sort-by="sortTitle" class="tHeader title">Title</th>
          <th data-sort-by="authorLast" class="tHeader author">Author</th>
          <th data-sort-by="publisher" class="tHeader publisher">Publisher</th>
          <th data-sort-by="year" class="tHeader year">Year</th>
          <th class="tHeader isbn">ISBN</th>
        </tr>
        {{#books}}
        <tr class="tRow {{#onLoan}}onLoan{{/onLoan}}" id="{{rowNumber}}">
          <td class="title">
            {{title}} {{#signed}}<span
              class="signed"
              title="Signed by the author"
              >✒</span
            >︎{{/signed}}
          </td>
          <td class="author">{{author}}</td>
          <td class="publisher">{{publisher}}</td>
          <td class="year">{{year}}</td>
          <td class="isbn">{{isbn-13}}</td>
        </tr>
        {{/books}}
      </table>
    </script>

    <script id="View" type="text/html">
      {{#book}}
        {{#coverurl}}
        <img src="{{coverurl}}"/>
        {{/coverurl}}
        <h1 {{#onLoan}}class="onLoan" {{/onLoan}}>{{title}}</h1>
        <h2>{{author}}</h2>
        <span>{{isbn-13}}</span><br/>
        <span>{{publisher}}, {{year}}</span><br/>
        {{#series}}
          <span>{{series}}{{#volume}}, Volume {{volume}}</span>{{/volume}}<br/>
        {{/series}}
        {{#signed}}
          <span>Signed by the author ✒</span><br/>
        {{/signed}}
        <span>{{format}}</span>
        {{#onLoan}}
        <h2 class="onLoan">On loan to {{onLoan}}</h2>
        {{/onLoan}}
        <div class="description">
          <p>{{description}}</p>
          {{#notes}}
            <span>Notes:</span>
            <p>{{notes}}</p>
          {{/notes}}
        </div>
      {{/book}}
    </script>
  </body>
</html>