"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var Backbone = _interopRequireWildcard(require("backbone"));

var _modelMeasure = _interopRequireDefault(require("./model-measure.js"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

var Measures = /*#__PURE__*/function (_Backbone$Collection) {
  _inherits(Measures, _Backbone$Collection);

  var _super = _createSuper(Measures);

  function Measures() {
    var _this;

    _classCallCheck(this, Measures);

    _this = _super.call(this);
    _this.model = _modelMeasure["default"]; // Keep sorted by index value

    _this.comparator = "index";
    return _this;
  }

  _createClass(Measures, [{
    key: "generateOptimizedEMAExpr",
    value: function generateOptimizedEMAExpr() {
      var _makeIndexRange = function _makeIndexRange(s, i, m, c, sep) {
        var m_idx = m.get("index");

        if (i > 0) {
          var prev_idx = c[i - 1].get("index");

          if (m_idx == prev_idx + 1) {
            // IT'S CONTINGUOS: MERGE
            if (!s.endsWith("-")) {
              s += "-";
            }

            if (c[i + 1]) {
              var next_idx = c[i + 1].get("index");

              if (m_idx + 1 != next_idx) {
                // End of range
                s += m_idx;
              }
            } else {
              // End of range
              s += m_idx;
            }
          } else {
            // NOT CONTIGUOS: ADD
            s += sep + m_idx;
          }
        } else {
          // START
          s += m_idx;
        }

        return s;
      };

      var sMeasures = "";
      var sStaves = "";
      var sBeats = "";
      var measures = this.models;

      var _iterator = _createForOfIteratorHelper(measures.entries()),
          _step;

      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var _step$value = _slicedToArray(_step.value, 2),
              i = _step$value[0],
              measure = _step$value[1];

          sMeasures = _makeIndexRange(sMeasures, i, measure, measures, ",");
          var staves = measure.get("staves").models;

          var _iterator2 = _createForOfIteratorHelper(staves.entries()),
              _step2;

          try {
            for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
              var _step2$value = _slicedToArray(_step2.value, 2),
                  _i2 = _step2$value[0],
                  staff = _step2$value[1];

              sStaves = _makeIndexRange(sStaves, _i2, staff, staves, "+");
              var evs = staff.get("events");
              var beats = staff.get("beats").models;

              var _iterator3 = _createForOfIteratorHelper(beats.entries()),
                  _step3;

              try {
                for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
                  var _step3$value = _slicedToArray(_step3.value, 2),
                      _i3 = _step3$value[0],
                      beat = _step3$value[1];

                  // Determine if this beat is contiguos to the previous one
                  var cur_ev = beat.get("event");
                  var i_ev = evs.indexOf(cur_ev);

                  if (_i3 > 0) {
                    var prev_b = beats[_i3 - 1].get("event");

                    if (i_ev < 0) {
                      throw "Unexpected: cannot find event in list of events with beat.";
                    }

                    if (evs[i_ev - 1] == prev_b) {
                      // IT'S CONTINGUOS: MERGE
                      if (!sBeats.endsWith("-")) {
                        sBeats += "-";
                      }

                      if (beats[_i3 + 1]) {
                        var next_b = beats[_i3 + 1].get("event");

                        if (evs[i_ev + 1] != next_b) {
                          // End of range
                          sBeats += beat.get("value");
                        }
                      } else {
                        // End of range
                        sBeats += beat.get("value");
                      }
                    } else {
                      // NOT CONTIGUOS: ADD
                      sBeats += "@" + beat.get("value");
                    }
                  } else {
                    // NOT CONTIGUOS: ADD
                    sBeats += "@" + beat.get("value");
                  }
                }
              } catch (err) {
                _iterator3.e(err);
              } finally {
                _iterator3.f();
              }

              if (staves[_i2 + 1]) {
                sBeats += "+";
              }
            }
          } catch (err) {
            _iterator2.e(err);
          } finally {
            _iterator2.f();
          }

          if (measures[i + 1]) {
            sStaves += ",";
            sBeats += ",";
          }
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }

      if (sMeasures && sStaves && sBeats) {
        return sMeasures + '/' + sStaves + '/' + sBeats;
      } else {
        return "";
      }
    }
  }, {
    key: "generateEMAExpr",
    value: function generateEMAExpr() {}
  }]);

  return Measures;
}(Backbone.Collection);

var _default = Measures;
exports["default"] = _default;