module ThingModel {
	export class BuildANewThingType {
		public static Named(name: string): ThingTypePropertyBuilder {
			return new ThingTypePropertyBuilder(new ThingType(name));
		}
	}

	export class ThingTypePropertyBuilder {
		private type: ThingType;
		private nextPropertyIsNotRequired: boolean;
		private lastPropertyAdded: boolean;
		private lastProperty: PropertyType;

		public ContainingA: ThingTypePropertyBuilder;
		public ContainingAn: ThingTypePropertyBuilder;
		public AndA: ThingTypePropertyBuilder;
		public AndAn: ThingTypePropertyBuilder;

		constructor(type: ThingType) {
			this.type = type;

			this.ContainingA = this;
			this.ContainingAn = this;
			this.AndA = this;
			this.AndAn = this;
		}

		public get NotRequired(): ThingTypePropertyBuilder {
			this.nextPropertyIsNotRequired = true;
			return this;
		}

		public WhichIs(description: string): ThingTypePropertyBuilder {
			if (!this.lastProperty) {
				this.type.Description = description;
			} else {
				this.lastProperty.Description = description;
			}

			return this;
		}

		private _createProperty(key: string, name: string, type: Type): void {

			if (!this.lastPropertyAdded && this.lastProperty != null) {
				this.type.DefineProperty(this.lastProperty);
				this.lastPropertyAdded = false;
			}

			var prop = new PropertyType(key, type, true);
			prop.Name = name;

			if (this.nextPropertyIsNotRequired) {
				this.nextPropertyIsNotRequired = false;
				prop.Required = false;
			}

			this.lastProperty = prop;
		}

		public String(key: string, name?: string): ThingTypePropertyBuilder {
			this._createProperty(key, name, Type.String);
			return this;
		}

		public LocationPoint(key: string = "location", name?: string):
		ThingTypePropertyBuilder {
			this._createProperty(key, name, Type.LocationPoint);
			return this;
		}

		public LocationLatLng(key: string = "location", name?: string):
		ThingTypePropertyBuilder {
			this._createProperty(key, name, Type.LocationLatLng);
			return this;
		}

		public LocationEquatorial(key: string = "location", name?: string):
		ThingTypePropertyBuilder {
			this._createProperty(key, name, Type.LocationEquatorial);
			return this;
		}

		public Double(key: string, name?: string): ThingTypePropertyBuilder {
			this._createProperty(key, name, Type.Double);
			return this;
		}

		public Int(key: string, name?: string): ThingTypePropertyBuilder {
			this._createProperty(key, name, Type.Int);
			return this;
		}

		public Boolean(key: string, name?: string): ThingTypePropertyBuilder {
			this._createProperty(key, name, Type.Boolean);
			return this;
		}

		public DateTime(key: string, name?: string): ThingTypePropertyBuilder {
			this._createProperty(key, name, Type.DateTime);
			return this;
		}

		public CopyOf(otherType: ThingType): ThingTypePropertyBuilder {
			_.each(otherType.Properties, (propertyType: PropertyType) => {
				this.type.DefineProperty(propertyType.Clone());
			});
			return this;
		}

		public Build(): ThingType {
			if (!this.lastPropertyAdded && this.lastProperty != null) {
				this.type.DefineProperty(this.lastProperty);
			}

			return this.type;
		}
	}
}