/* js is where data is stored in a standard form, whatever the serializer */

//TODO: Separate Project-specific data from Source
import _ from "lodash";
import jQuery from "jquery";

const Model = function (ns) {
  function pad(n, x, b) {
    b = b || 10;
    var s = x.toString(b);
    while (s.length < n) {
      s = "0" + s;
    }
    return s;
  }

  function rand16(n) {
    return pad(n, Math.floor(Math.random() * Math.pow(16, n)), 16);
  }

  var uidbase = rand16(8) + "-" + rand16(4) + "-",
    uidincrement = Math.floor(Math.random() * 0x10000);

  var charsub = ["[aáàâä]", "[cç]", "[eéèêë]", "[iíìîï]", "[oóòôö]", "[uùûü]"];

  var removeChars = [
    String.fromCharCode(768),
    String.fromCharCode(769),
    String.fromCharCode(770),
    String.fromCharCode(771),
    String.fromCharCode(807),
    "｛",
    "｝",
    "（",
    "）",
    "［",
    "］",
    "【",
    "】",
    "、",
    "・",
    "‥",
    "。",
    "「",
    "」",
    "『",
    "』",
    "〜",
    "：",
    "！",
    "？",
    "　",
    ",",
    " ",
    ";",
    "(",
    ")",
    ".",
    "*",
    "+",
    "\\",
    "?",
    "|",
    "{",
    "}",
    "[",
    "]",
    "^",
    "#",
    "/",
  ];

  var Model = {},
    _SOURCE_STATUS_EMPTY = (Model._SOURCE_STATUS_EMPTY = 0),
    _SOURCE_STATUS_WAITING = (Model._SOURCE_STATUS_WAITING = 1),
    _SOURCE_STATUS_READY = (Model._SOURCE_STATUS_READY = 2),
    extendPrototype = (Model.extendPrototype = function (toClass, fromClass) {
      var fromP = fromClass.prototype,
        toP = toClass.prototype;
      for (var k in fromP) {
        if (fromP.hasOwnProperty(k)) {
          toP[k] = fromP[k];
        }
      }
    }),
    getUID = (Model.getUID = function () {
      return (
        uidbase +
        pad(4, ++uidincrement % 0x10000, 16) +
        "-" +
        rand16(4) +
        "-" +
        rand16(6) +
        rand16(6)
      );
    }),
    isLocalURL = (Model.isLocalURL = function (url) {
      var matches = url.match(/^(\w+:)\/\/([^/]+)/);
      if (matches) {
        return (
          matches[1] === document.location.protocol &&
          matches[2] === document.location.host
        );
      }
      return true;
    }),
    regexpFromTextOrArray = (Model.regexpFromTextOrArray = function (
      _textOrArray,
      _testOnly,
      _iexact
    ) {
      var _testOnly = _testOnly || false,
        _iexact = _iexact || false;
      function escapeText(_text) {
        return _text.replace(/([\\\*\+\?\|\{\[\}\]\(\)\^\$\.\#\/])/gm, "\\$1");
      }
      var _source =
          typeof _textOrArray === "string"
            ? escapeText(_textOrArray)
            : _(_textOrArray).map(escapeText).join("|"),
        _flags = "im";
      if (!_testOnly) {
        _source = "(" + _source + ")";
        _flags += "g";
      }
      if (_iexact) {
        _source = "^" + _source + "$";
      }
      return new RegExp(_source, _flags);
    }),
    fullTextRegexps = (Model.fullTextRegexps = function (_text) {
      var remsrc = "[\\" + removeChars.join("\\") + "]",
        remrx = new RegExp(remsrc, "gm"),
        txt = _text.toLowerCase().replace(remrx, ""),
        res = [],
        charsrx = _(charsub).map(function (c) {
          return new RegExp(c);
        }),
        src = "";
      for (var j = 0; j < txt.length; j++) {
        if (j) {
          src += remsrc + "*";
        }
        var l = txt[j];
        _(charsub).each(function (v, k) {
          l = l.replace(charsrx[k], v);
        });
        src += l;
      }
      return "(" + src + ")";
    }),
    isoToDate = (Model.isoToDate = function (_str) {
      // http://delete.me.uk/2005/03/iso8601.html
      var regexp =
        "([0-9]{4})(-([0-9]{2})(-([0-9]{2})(T([0-9]{2}):([0-9]{2})(:([0-9]{2})(.([0-9]+))?)?(Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?";
      var d = _str.match(new RegExp(regexp));

      var offset = 0;
      var date = new Date(d[1], 0, 1);

      if (d[3]) {
        date.setMonth(d[3] - 1);
      }
      if (d[5]) {
        date.setDate(d[5]);
      }
      if (d[7]) {
        date.setHours(d[7]);
      }
      if (d[8]) {
        date.setMinutes(d[8]);
      }
      if (d[10]) {
        date.setSeconds(d[10]);
      }
      if (d[12]) {
        date.setMilliseconds(Number("0." + d[12]) * 1000);
      }
      if (d[14]) {
        offset = Number(d[16]) * 60 + Number(d[17]);
        offset *= d[15] == "-" ? 1 : -1;
      }

      offset -= date.getTimezoneOffset();
      const time = Number(date) + offset * 60 * 1000;
      var _res = new Date();
      _res.setTime(Number(time));
      return _res;
    }),
    dateToIso = (Model.dateToIso = function (_d) {
      var d = _d ? new Date(_d) : new Date();
      return (
        d.getUTCFullYear() +
        "-" +
        pad(2, d.getUTCMonth() + 1) +
        "-" +
        pad(2, d.getUTCDate()) +
        "T" +
        pad(2, d.getUTCHours()) +
        ":" +
        pad(2, d.getUTCMinutes()) +
        ":" +
        pad(2, d.getUTCSeconds()) +
        "Z"
      );
    });

  /*
   * List is a class for a list of elements (e.g. annotations, medias, etc. that each have a distinct ID)
   */
  var List = (Model.List = function (_directory) {
    Array.call(this);
    this.directory = _directory;
    this.idIndex = [];
    this.__events = {};
    if (typeof _directory == "undefined") {
      console.trace();
      throw "Error : new List(directory): directory is undefined";
    }
    var _this = this;
    this.on("clear-search", function () {
      _this.searching = false;
      _this.regexp = undefined;
      _this.forEach(function (_element) {
        _element.found = undefined;
      });
      _this.trigger("search-cleared");
    });
  });

  List.prototype = new Array();

  List.prototype.hasId = function (_id) {
    return _(this.idIndex).includes(_id);
  };

  /* On recent browsers, forEach and map are defined and do what we want.
   * Otherwise, we'll use the Underscore.js functions
   */
  if (typeof Array.prototype.forEach === "undefined") {
    List.prototype.forEach = function (_callback) {
      var _this = this;
      _(this).forEach(function (_value, _key) {
        _callback(_value, _key, _this);
      });
    };
  }

  if (typeof Array.prototype.map === "undefined") {
    List.prototype.map = function (_callback) {
      var _this = this;
      return _(this).map(function (_value, _key) {
        return _callback(_value, _key, _this);
      });
    };
  }

  List.prototype.pluck = function (_key) {
    return this.map(function (_value) {
      return _value[_key];
    });
  };

  /* We override Array's filter function because it doesn't return an List
   */
  List.prototype.filter = function (_callback) {
    var _this = this,
      _res = new List(this.directory);
    _res.addElements(
      _(this).filter(function (_value, _key) {
        return _callback(_value, _key, _this);
      })
    );
    return _res;
  };

  List.prototype.slice = function (_start, _end) {
    var _res = new List(this.directory);
    _res.addElements(Array.prototype.slice.call(this, _start, _end));
    return _res;
  };

  List.prototype.splice = function (_start, _end) {
    var _res = new List(this.directory);
    _res.addElements(Array.prototype.splice.call(this, _start, _end));
    this.idIndex.splice(_start, _end);
    return _res;
  };

  /* Array has a sort function, but it's not as interesting as Underscore.js's sortBy
   * and won't return a new List
   */
  List.prototype.sortBy = function (_callback) {
    var _this = this,
      _res = new List(this.directory);
    _res.addElements(
      _(this).sortBy(function (_value, _key) {
        return _callback(_value, _key, _this);
      })
    );
    return _res;
  };

  /* Title and Description are basic information for (almost) all element types,
   * here we can search by these criteria
   */
  List.prototype.searchByTitle = function (_text, _iexact) {
    var _iexact = _iexact || false,
      _rgxp = regexpFromTextOrArray(_text, true, _iexact);
    return this.filter(function (_element) {
      return _rgxp.test(_element.title);
    });
  };

  List.prototype.searchByDescription = function (_text, _iexact) {
    var _iexact = _iexact || false,
      _rgxp = regexpFromTextOrArray(_text, true, _iexact);
    return this.filter(function (_element) {
      return _rgxp.test(_element.description);
    });
  };

  List.prototype.searchByTextFields = function (_text, _iexact) {
    var _iexact = _iexact || false,
      _rgxp = regexpFromTextOrArray(_text, true, _iexact);
    return this.filter(function (_element) {
      var keywords = (_element.keywords || _element.getTagTexts() || []).join(
        ", "
      );
      return (
        _rgxp.test(_element.description) ||
        _rgxp.test(_element.title) ||
        _rgxp.test(keywords)
      );
    });
  };

  List.prototype.search = function (_text) {
    if (!_text) {
      this.trigger("clear-search");
      return this;
    }
    this.searching = true;
    this.trigger("search", _text);
    var rxsource = fullTextRegexps(_text),
      rgxp = new RegExp(rxsource, "im");
    this.regexp = new RegExp(rxsource, "gim");
    var res = this.filter(function (_element, _k) {
      var titlematch = rgxp.test(_element.title),
        descmatch = rgxp.test(_element.description),
        _isfound = !!(titlematch || descmatch);
      _element.found = _isfound;
      _element.trigger(_isfound ? "found" : "not-found");
      return _isfound;
    });
    this.trigger(res.length ? "found" : "not-found", res);
    return res;
  };

  List.prototype.searchByTags = function (_text) {
    if (!_text) {
      this.trigger("clear-search");
      return this;
    }
    this.searching = true;
    this.trigger("search", _text);
    var rxsource = fullTextRegexps(_text),
      rgxp = new RegExp(rxsource, "im");
    this.regexp = new RegExp(rxsource, "gim");
    var res = this.filter(function (_element, _k) {
      var _isfound = rgxp.test(_element.getTagTexts());
      _element.found = _isfound;
      _element.trigger(_isfound ? "found" : "not-found");
      return _isfound;
    });
    this.trigger(res.length ? "found" : "not-found", res);
    return res;
  };

  List.prototype.getTitles = function () {
    return this.map(function (_el) {
      return _el.title;
    });
  };

  List.prototype.addId = function (_id) {
    var _el = this.directory.getElement(_id);
    if (!this.hasId(_id) && typeof _el !== "undefined") {
      this.idIndex.push(_id);
      Array.prototype.push.call(this, _el);
    }
  };

  List.prototype.push = function (_el) {
    if (typeof _el === "undefined") {
      return;
    }
    var _index = _(this.idIndex).indexOf(_el.id);
    if (_index === -1) {
      this.idIndex.push(_el.id);
      Array.prototype.push.call(this, _el);
    } else {
      this[_index] = _el;
    }
  };

  List.prototype.addIds = function (_array) {
    var _l = _array.length,
      _this = this;
    _(_array).forEach(function (_id) {
      _this.addId(_id);
    });
  };

  List.prototype.addElements = function (_array) {
    var _this = this;
    _(_array).forEach(function (_el) {
      _this.push(_el);
    });
  };

  List.prototype.removeId = function (_id, _deleteFromDirectory) {
    var _deleteFromDirectory = _deleteFromDirectory || false,
      _index = _(this.idIndex).indexOf(_id);
    if (_index !== -1) {
      this.splice(_index, 1);
    }
    if (_deleteFromDirectory) {
      delete this.directory.elements[_id];
    }
  };

  List.prototype.removeElement = function (_el, _deleteFromDirectory) {
    var _deleteFromDirectory = _deleteFromDirectory || false;
    this.removeId(_el.id);
  };

  List.prototype.removeIds = function (_list, _deleteFromDirectory) {
    var _deleteFromDirectory = _deleteFromDirectory || false,
      _this = this;
    _(_list).forEach(function (_id) {
      _this.removeId(_id);
    });
  };

  List.prototype.removeElements = function (_list, _deleteFromDirectory) {
    var _deleteFromDirectory = _deleteFromDirectory || false,
      _this = this;
    _(_list).forEach(function (_el) {
      _this.removeElement(_el);
    });
  };

  List.prototype.on = function (_event, _callback) {
    if (typeof this.__events[_event] === "undefined") {
      this.__events[_event] = [];
    }
    this.__events[_event].push(_callback);
  };

  List.prototype.off = function (_event, _callback) {
    if (typeof this.__events[_event] !== "undefined") {
      this.__events[_event] = ns
        ._(this.__events[_event])
        .reject(function (_fn) {
          return _fn === _callback;
        });
    }
  };

  List.prototype.trigger = function (_event, _data) {
    var _list = this;
    _(this.__events[_event]).each(function (_callback) {
      _callback.call(_list, _data);
    });
  };

  /* A simple time management object, that helps converting millisecs to seconds and strings,
   * without the clumsiness of the original Date object.
   */

  var Time = (Model.Time = function (_milliseconds) {
    this.milliseconds = 0;
    this.setMilliseconds(_milliseconds);
  });

  Time.prototype.setMilliseconds = function (_milliseconds) {
    var _ante = this.milliseconds;
    switch (typeof _milliseconds) {
      case "string":
        this.milliseconds = parseInt(_milliseconds);
        break;
      case "number":
        this.milliseconds = Math.floor(_milliseconds);
        break;
      case "object":
        this.milliseconds = parseInt(_milliseconds.valueOf());
        break;
      default:
        this.milliseconds = 0;
    }
    if (this.milliseconds === NaN) {
      this.milliseconds = _ante;
    }
  };

  Time.prototype.setSeconds = function (_seconds) {
    this.milliseconds = 1000 * _seconds;
  };

  Time.prototype.getSeconds = function () {
    return this.milliseconds / 1000;
  };

  Time.prototype.getHMS = function () {
    var _totalSeconds = Math.abs(Math.floor(this.getSeconds()));
    return {
      hours: Math.floor(_totalSeconds / 3600),
      minutes: Math.floor(_totalSeconds / 60) % 60,
      seconds: _totalSeconds % 60,
      milliseconds: this.milliseconds % 1000,
    };
  };

  Time.prototype.add = function (_milliseconds) {
    this.milliseconds += new Time(_milliseconds).milliseconds;
  };

  Time.prototype.valueOf = function () {
    return this.milliseconds;
  };

  Time.prototype.toString = function (showCs) {
    var _hms = this.getHMS(),
      _res = "";
    if (_hms.hours) {
      _res += _hms.hours + ":";
    }
    _res += pad(2, _hms.minutes) + ":" + pad(2, _hms.seconds);
    if (showCs) {
      _res += "." + Math.floor(_hms.milliseconds / 100);
    }
    return _res;
  };

  /* Reference handles references between elements
   */

  var Reference = (Model.Reference = function (_source, _idRef) {
    this.source = _source;
    this.id = _idRef;
    if (typeof _idRef === "object") {
      this.isList = true;
    } else {
      this.isList = false;
    }
    this.refresh();
  });

  Reference.prototype.refresh = function () {
    if (this.isList) {
      this.contents = new List(this.source.directory);
      this.contents.addIds(this.id);
    } else {
      this.contents = this.source.getElement(this.id);
    }
  };

  Reference.prototype.getContents = function () {
    if (
      typeof this.contents === "undefined" ||
      (this.isList && this.contents.length != this.id.length)
    ) {
      this.refresh();
    }
    return this.contents;
  };

  Reference.prototype.isOrHasId = function (_idRef) {
    if (this.isList) {
      return _(this.id).indexOf(_idRef) !== -1;
    } else {
      return this.id == _idRef;
    }
  };

  /* */

  var BaseElement = (Model.Element = function (_id, _source) {
    this.elementType = "element";
    this.title = "";
    this.description = "";
    this.__events = {};
    if (typeof _source === "undefined") {
      return;
    }
    if (typeof _id === "undefined" || !_id) {
      _id = getUID();
    }
    this.id = _id;
    this.source = _source;
    if (_source !== this) {
      this.source.directory.addElement(this);
    }
  });

  BaseElement.prototype.toString = function () {
    return (
      this.elementType +
      (this.elementType !== "element"
        ? ", id=" + this.id + ', title="' + this.title + '"'
        : "")
    );
  };

  BaseElement.prototype.setReference = function (_elementType, _idRef) {
    this[_elementType] = new Reference(this.source, _idRef);
  };

  BaseElement.prototype.getReference = function (_elementType) {
    if (typeof this[_elementType] !== "undefined") {
      return this[_elementType].getContents();
    }
  };

  BaseElement.prototype.getRelated = function (_elementType, _global) {
    _global = typeof _global !== "undefined" && _global;
    var _this = this;
    return this.source.getList(_elementType, _global).filter(function (_el) {
      var _ref = _el[_this.elementType];
      return _ref && _ref.isOrHasId(_this.id);
    });
  };

  BaseElement.prototype.on = function (_event, _callback) {
    if (typeof this.__events[_event] === "undefined") {
      this.__events[_event] = [];
    }
    this.__events[_event].push(_callback);
  };

  BaseElement.prototype.off = function (_event, _callback) {
    if (typeof this.__events[_event] !== "undefined") {
      this.__events[_event] = _(this.__events[_event]).reject(function (_fn) {
        return _fn === _callback;
      });
    }
  };

  BaseElement.prototype.trigger = function (_event, _data) {
    var _element = this;
    _(this.__events[_event]).each(function (_callback) {
      _callback.call(_element, _data);
    });
  };

  /* */

  var Playable = (Model.Playable = function (_id, _source) {
    BaseElement.call(this, _id, _source);
    if (typeof _source === "undefined") {
      return;
    }
    this.elementType = "playable";
    this.currentTime = new Time();
    this.volume = 0.5;
    this.paused = true;
    this.muted = false;
    this.timeRange = false;
    this.loadedMetadata = false;
    var _this = this;
    this.on("play", function () {
      _this.paused = false;
    });
    this.on("pause", function () {
      _this.paused = true;
    });
    this.on("timeupdate", function (_time) {
      _this.currentTime = _time;
      _this
        .getAnnotations()
        .filter(function (_a) {
          return (_a.end <= _time || _a.begin > _time) && _a.playing;
        })
        .forEach(function (_a) {
          _a.playing = false;
          _a.trigger("leave");
          _this.trigger("leave-annotation", _a);
        });
      _this
        .getAnnotations()
        .filter(function (_a) {
          return _a.begin <= _time && _a.end > _time && !_a.playing;
        })
        .forEach(function (_a) {
          _a.playing = true;
          _a.trigger("enter");
          _this.trigger("enter-annotation", _a);
        });

      if (_this.getTimeRange()) {
        if (_this.getTimeRange()[0] > _time) {
          _this.pause();
          _this.setCurrentTime(_this.getTimeRange()[0]);
        }
        if (_this.getTimeRange()[1] < _time) {
          _this.pause();
          _this.setCurrentTime(_this.getTimeRange()[1]);
        }
      }
    });
    this.on("loadedmetadata", function () {
      _this.loadedMetadata = true;
    });
  });

  extendPrototype(Playable, BaseElement);

  Playable.prototype.getCurrentTime = function () {
    return this.currentTime;
  };

  Playable.prototype.getVolume = function () {
    return this.volume;
  };

  Playable.prototype.getPaused = function () {
    return this.paused;
  };

  Playable.prototype.getMuted = function () {
    return this.muted;
  };

  Playable.prototype.getTimeRange = function () {
    return this.timeRange;
  };

  Playable.prototype.setCurrentTime = function (_time) {
    this.trigger("setcurrenttime", _time);
  };

  Playable.prototype.setVolume = function (_vol) {
    this.trigger("setvolume", _vol);
  };

  Playable.prototype.setMuted = function (_muted) {
    this.trigger("setmuted", _muted);
  };

  Playable.prototype.setTimeRange = function (_timeBegin, _timeEnd) {
    if (_timeBegin < _timeEnd && _timeBegin >= 0 && _timeEnd > 0) {
      return this.trigger("settimerange", [_timeBegin, _timeEnd]);
    }
  };

  Playable.prototype.resetTimeRange = function () {
    return this.trigger("resettimerange");
  };

  Playable.prototype.play = function () {
    this.trigger("setplay");
  };

  Playable.prototype.pause = function () {
    this.trigger("setpause");
  };

  Playable.prototype.show = function () {};

  Playable.prototype.hide = function () {};

  /* */

  var Media = (Model.Media = function (_id, _source) {
    Playable.call(this, _id, _source);
    this.elementType = "media";
    this.duration = new Time();
    this.video = "";
    var _this = this;
  });

  extendPrototype(Media, Playable);
  /* */

  var Media = (Model.Media = function (_id, _source) {
    Playable.call(this, _id, _source);
    this.elementType = "media";
    this.duration = new Time();
    this.video = "";
    var _this = this;
  });

  extendPrototype(Media, Playable);

  /* Default functions to be overriden by players */

  Media.prototype.setDuration = function (_durationMs) {
    this.duration.setMilliseconds(_durationMs);
  };

  Media.prototype.getAnnotations = function () {
    return this.getRelated("annotation");
  };

  Media.prototype.getAnnotationsByTypeTitle = function (_title) {
    var _annTypes = this.source
      .getAnnotationTypes()
      .searchByTitle(_title)
      .pluck("id");
    if (_annTypes.length) {
      return this.getAnnotations().filter(function (_annotation) {
        return _(_annTypes).indexOf(_annotation.getAnnotationType().id) !== -1;
      });
    } else {
      return new List(this.source.directory);
    }
  };

  /* */

  var Tag = (Model.Tag = function (_id, _source) {
    BaseElement.call(this, _id, _source);
    this.elementType = "tag";
  });

  extendPrototype(Tag, BaseElement);

  Tag.prototype.getAnnotations = function () {
    return this.getRelated("annotation");
  };

  /* */
  var AnnotationType = (Model.AnnotationType = function (_id, _source) {
    BaseElement.call(this, _id, _source);
    this.elementType = "annotationType";
  });

  extendPrototype(AnnotationType, BaseElement);

  AnnotationType.prototype.getAnnotations = function () {
    return this.getRelated("annotation");
  };

  /* Annotation
   * */

  var Annotation = (Model.Annotation = function (_id, _source) {
    BaseElement.call(this, _id, _source);
    this.elementType = "annotation";
    this.begin = new Time();
    this.end = new Time();
    this.tag = new Reference(_source, []);
    this.playing = false;
    var _this = this;
    this.on("click", function () {
      _this.getMedia().setCurrentTime(_this.begin);
    });
  });

  extendPrototype(Annotation, BaseElement);

  /* Set begin and end in one go, to avoid undesired side-effects in
   * setBegin/setEnd interaction */
  Annotation.prototype.setBeginEnd = function (_beginMs, _endMs) {
    _beginMs = Math.max(0, _beginMs);
    _endMs = Math.max(0, _endMs);
    if (_endMs < _beginMs) _endMs = _beginMs;
    this.begin.setMilliseconds(_beginMs);
    this.end.setMilliseconds(_endMs);
    this.trigger("change-begin");
    this.trigger("change-end");
  };

  Annotation.prototype.setBegin = function (_beginMs) {
    this.begin.setMilliseconds(Math.max(0, _beginMs));
    this.trigger("change-begin");
    if (this.end < this.begin) {
      this.setEnd(this.begin);
    }
  };

  Annotation.prototype.setEnd = function (_endMs) {
    this.end.setMilliseconds(
      Math.min(_endMs, this.getMedia().duration.milliseconds)
    );
    this.trigger("change-end");
    if (this.end < this.begin) {
      this.setBegin(this.end);
    }
  };

  Annotation.prototype.setDuration = function (_durMs) {
    this.setEnd(_durMs + this.begin.milliseconds);
  };

  Annotation.prototype.setMedia = function (_idRef) {
    this.setReference("media", _idRef);
  };

  Annotation.prototype.getMedia = function () {
    return this.getReference("media");
  };

  Annotation.prototype.setAnnotationType = function (_idRef) {
    this.setReference("annotationType", _idRef);
  };

  Annotation.prototype.getAnnotationType = function () {
    return this.getReference("annotationType");
  };

  Annotation.prototype.setTags = function (_idRefs) {
    this.setReference("tag", _idRefs);
  };

  Annotation.prototype.getTags = function () {
    return this.getReference("tag");
  };

  Annotation.prototype.getTagTexts = function () {
    return this.getTags().getTitles();
  };

  Annotation.prototype.getDuration = function () {
    return new Time(this.end.milliseconds - this.begin.milliseconds);
  };

  /* */

  var MashedAnnotation = (Model.MashedAnnotation = function (
    _mashup,
    _annotation
  ) {
    BaseElement.call(
      this,
      _mashup.id + "_" + _annotation.id,
      _annotation.source
    );
    this.elementType = "mashedAnnotation";
    this.annotation = _annotation;
    this.begin = new Time();
    this.end = new Time();
    this.duration = new Time();
    this.title = this.annotation.title;
    this.description = this.annotation.description;
    this.color = this.annotation.color;
    var _this = this;
    this.on("click", function () {
      _mashup.setCurrentTime(_this.begin);
    });
    this.on("enter", function () {
      _this.annotation.trigger("enter");
    });
    this.on("leave", function () {
      _this.annotation.trigger("leave");
    });
  });

  extendPrototype(MashedAnnotation, BaseElement);

  MashedAnnotation.prototype.getMedia = function () {
    return this.annotation.getReference("media");
  };

  MashedAnnotation.prototype.getAnnotationType = function () {
    return this.annotation.getReference("annotationType");
  };

  MashedAnnotation.prototype.getTags = function () {
    return this.annotation.getReference("tag");
  };

  MashedAnnotation.prototype.getTagTexts = function () {
    return this.annotation.getTags().getTitles();
  };

  MashedAnnotation.prototype.getDuration = function () {
    return this.annotation.getDuration();
  };

  MashedAnnotation.prototype.setBegin = function (_begin) {
    this.begin.setMilliseconds(_begin);
    this.duration.setMilliseconds(this.annotation.getDuration());
    this.end.setMilliseconds(_begin + this.duration);
  };

  /* */

  var Mashup = (Model.Mashup = function (_id, _source) {
    Playable.call(this, _id, _source);
    this.elementType = "mashup";
    this.duration = new Time();
    this.segments = new List(_source.directory);
    this.loaded = false;
    var _this = this;
    this._updateTimes = function () {
      _this.updateTimes();
      _this.trigger("change");
    };
    this.on("add", this._updateTimes);
    this.on("remove", this._updateTimes);
  });

  extendPrototype(Mashup, Playable);

  Mashup.prototype.updateTimes = function () {
    var _time = 0;
    this.segments.forEach(function (_segment) {
      _segment.setBegin(_time);
      _time = _segment.end;
    });
    this.duration.setMilliseconds(_time);
  };

  Mashup.prototype.addAnnotation = function (_annotation, _defer) {
    var _mashedAnnotation = new MashedAnnotation(this, _annotation),
      _defer = _defer || false;
    this.segments.push(_mashedAnnotation);
    _annotation.on("change-begin", this._updateTimes);
    _annotation.on("change-end", this._updateTimes);
    if (!_defer) {
      this.trigger("add");
    }
  };

  Mashup.prototype.addAnnotationById = function (_elId, _defer) {
    var _annotation = this.source.getElement(_elId),
      _defer = _defer || false;
    if (typeof _annotation !== "undefined") {
      this.addAnnotation(_annotation, _defer);
    }
  };

  Mashup.prototype.addAnnotations = function (_segments) {
    var _this = this;
    _(_segments).forEach(function (_segment) {
      _this.addAnnotation(_segment, true);
    });
    this.trigger("add");
  };

  Mashup.prototype.addAnnotationsById = function (_segments) {
    var _this = this;
    _(_segments).forEach(function (_segment) {
      _this.addAnnotationById(_segment, true);
    });
    this.trigger("add");
  };

  Mashup.prototype.removeAnnotation = function (_annotation, _defer) {
    var _defer = _defer || false;
    _annotation.off("change-begin", this._updateTimes);
    _annotation.off("change-end", this._updateTimes);
    this.segments.removeId(this.id + "_" + _annotation.id);
    if (!_defer) {
      this.trigger("remove");
    }
  };

  Mashup.prototype.removeAnnotationById = function (_annId, _defer) {
    var _defer = _defer || false;
    var _annotation = this.source.getElement(_annId);

    if (_annotation) {
      this.removeAnnotation(_annotation, _defer);
    }
    if (!_defer) {
      this.trigger("remove");
    }
  };

  Mashup.prototype.setAnnotations = function (_segments) {
    while (this.segments.length) {
      this.removeAnnotation(this.segments[0].annotation, true);
    }
    this.addAnnotations(_segments);
  };

  Mashup.prototype.setAnnotationsById = function (_segments) {
    while (this.segments.length) {
      this.removeAnnotation(this.segments[0].annotation, true);
    }
    this.addAnnotationsById(_segments);
  };

  Mashup.prototype.hasAnnotation = function (_annotation) {
    return !!_(this.segments).find(function (_s) {
      return _s.annotation === _annotation;
    });
  };

  Mashup.prototype.getAnnotation = function (_annotation) {
    return _(this.segments).find(function (_s) {
      return _s.annotation === _annotation;
    });
  };

  Mashup.prototype.getAnnotationById = function (_id) {
    return _(this.segments).find(function (_s) {
      return _s.annotation.id === _id;
    });
  };

  Mashup.prototype.getAnnotations = function () {
    return this.segments;
  };

  Mashup.prototype.getOriginalAnnotations = function () {
    var annotations = new List(this.source.directory);
    this.segments.forEach(function (_s) {
      annotations.push(_s.annotation);
    });
    return annotations;
  };

  Mashup.prototype.getMedias = function () {
    var medias = new List(this.source.directory);
    this.segments.forEach(function (_annotation) {
      medias.push(_annotation.getMedia());
    });
    return medias;
  };

  Mashup.prototype.getAnnotationsByTypeTitle = function (_title) {
    var _annTypes = this.source
      .getAnnotationTypes()
      .searchByTitle(_title)
      .pluck("id");
    if (_annTypes.length) {
      return this.getAnnotations().filter(function (_annotation) {
        return _(_annTypes).indexOf(_annotation.getAnnotationType().id) !== -1;
      });
    } else {
      return new List(this.source.directory);
    }
  };

  Mashup.prototype.getAnnotationAtTime = function (_time) {
    var _list = this.segments.filter(function (_annotation) {
      return _annotation.begin <= _time && _annotation.end > _time;
    });
    if (_list.length) {
      return _list[0];
    } else {
      return undefined;
    }
  };

  Mashup.prototype.getMediaAtTime = function (_time) {
    var _annotation = this.getAnnotationAtTime(_time);
    if (typeof _annotation !== "undefined") {
      return _annotation.getMedia();
    } else {
      return undefined;
    }
  };

  /* */

  var Source = (Model.Source = function (_config) {
    BaseElement.call(this, false, this);
    this.status = _SOURCE_STATUS_EMPTY;
    this.elementType = "source";
    if (typeof _config !== "undefined") {
      var _this = this;
      _(_config).forEach(function (_v, _k) {
        _this[_k] = _v;
      });
      this.callbackQueue = [];
      this.contents = {};
      this.get();
    }
  });

  extendPrototype(Source, BaseElement);

  Source.prototype.addList = function (_listId, _contents) {
    if (typeof this.contents[_listId] === "undefined") {
      this.contents[_listId] = new List(this.directory);
    }
    this.contents[_listId].addElements(_contents);
  };

  Source.prototype.getList = function (_listId, _global) {
    _global = typeof _global !== "undefined" && _global;
    if (_global) {
      return this.directory.getGlobalList().filter(function (_e) {
        return _e.elementType === _listId;
      });
    } else {
      if (typeof this.contents[_listId] === "undefined") {
        this.contents[_listId] = new List(this.directory);
      }
      return this.contents[_listId];
    }
  };

  Source.prototype.forEach = function (_callback) {
    var _this = this;
    _(this.contents).forEach(function (_value, _key) {
      _callback.call(_this, _value, _key);
    });
  };

  Source.prototype.getElement = function (_elId) {
    return this.directory.getElement(_elId);
  };

  Source.prototype.get = function () {
    this.status = _SOURCE_STATUS_WAITING;
    this.handleCallbacks();
  };

  /* We defer the callbacks calls so they execute after the queue is cleared */
  Source.prototype.deferCallback = function (_callback) {
    var _this = this;
    _.defer(function () {
      _callback.call(_this);
    });
  };

  Source.prototype.handleCallbacks = function () {
    this.status = _SOURCE_STATUS_READY;
    while (this.callbackQueue.length) {
      this.deferCallback(this.callbackQueue.splice(0, 1)[0]);
    }
  };
  Source.prototype.onLoad = function (_callback) {
    if (this.status === _SOURCE_STATUS_READY) {
      this.deferCallback(_callback);
    } else {
      this.callbackQueue.push(_callback);
    }
  };

  Source.prototype.serialize = function () {
    return this.serializer.serialize(this);
  };

  Source.prototype.deSerialize = function (_data) {
    this.serializer.deSerialize(_data, this);
  };

  Source.prototype.getAnnotations = function (_global) {
    _global = typeof _global !== "undefined" && _global;
    return this.getList("annotation", _global);
  };

  Source.prototype.getMedias = function (_global) {
    _global = typeof _global !== "undefined" && _global;
    return this.getList("media", _global);
  };

  Source.prototype.getTags = function (_global) {
    _global = typeof _global !== "undefined" && _global;
    return this.getList("tag", _global);
  };

  Source.prototype.getMashups = function (_global) {
    _global = typeof _global !== "undefined" && _global;
    return this.getList("mashup", _global);
  };

  Source.prototype.getAnnotationTypes = function (_global) {
    _global = typeof _global !== "undefined" && _global;
    return this.getList("annotationType", _global);
  };

  Source.prototype.getAnnotationsByTypeTitle = function (_title, _global) {
    _global = typeof _global !== "undefined" && _global;
    var _res = new List(this.directory),
      _annTypes = this.getAnnotationTypes(_global).searchByTitle(_title);
    _annTypes.forEach(function (_annType) {
      _res.addElements(_annType.getAnnotations(_global));
    });
    return _res;
  };

  Source.prototype.getDuration = function () {
    var _m = this.currentMedia;
    if (typeof _m !== "undefined") {
      return this.currentMedia.duration;
    }
  };

  Source.prototype.getCurrentMedia = function (_opts) {
    if (typeof this.currentMedia === "undefined") {
      if (_opts.is_mashup) {
        var _mashups = this.getMashups();
        if (_mashups.length) {
          this.currentMedia = _mashups[0];
        }
      } else {
        var _medias = this.getMedias();
        if (_medias.length) {
          this.currentMedia = _medias[0];
        }
      }
    }
    return this.currentMedia;
  };

  Source.prototype.merge = function (_source) {
    var _this = this;
    _source.forEach(function (_value, _key) {
      _this.getList(_key).addElements(_value);
    });
  };

  /* */

  var RemoteSource = (Model.RemoteSource = function (_config) {
    Source.call(this, _config);
  });

  extendPrototype(RemoteSource, Source);

  RemoteSource.prototype.get = function () {
    this.status = _SOURCE_STATUS_WAITING;
    var _this = this,
      urlparams = this.url_params || {},
      dataType = this.dataType || "json";
    urlparams.format = dataType;
    jQuery.ajax({
      url: this.url,
      dataType: dataType,
      data: urlparams,
      traditional: true,
      success: function (_result) {
        _this.deSerialize(_result);
        _this.handleCallbacks();
      },
    });
  };

  /* */

  var Directory = (Model.Directory = function () {
    this.remoteSources = {};
    this.elements = {};
  });

  Directory.prototype.remoteSource = function (_properties) {
    if (
      typeof _properties !== "object" ||
      typeof _properties.url === "undefined"
    ) {
      throw "Error : Directory.remoteSource(configuration): configuration.url is undefined";
    }
    var _config = _({ directory: this }).extend(_properties);
    _config.url_params = _config.url_params || {};
    var _hash = _config.url + "?" + jQuery.param(_config.url_params);
    if (typeof this.remoteSources[_hash] === "undefined") {
      this.remoteSources[_hash] = new RemoteSource(_config);
    }
    return this.remoteSources[_hash];
  };

  Directory.prototype.newLocalSource = function (_properties) {
    var _config = _({ directory: this }).extend(_properties),
      _res = new Source(_config);
    return _res;
  };

  Directory.prototype.getElement = function (_id) {
    return this.elements[_id];
  };

  Directory.prototype.addElement = function (_element) {
    this.elements[_element.id] = _element;
  };

  Directory.prototype.getGlobalList = function () {
    var _res = new List(this);
    _res.addIds(_(this.elements).keys());
    return _res;
  };
  return Model;
};

export default Model;

/* END js */