/* globals THREE */
const THREE = (window as any).THREE;
export const BinaryManager = function (buffer: any) {
    this.dataview = new DataView(buffer);
    this.offset = 0;
    this.isLittleEndian = true;
};

BinaryManager.prototype = {
    // READER
    readQuaternion: function () {
        return new THREE.Quaternion(
            this.readFloat(),
            this.readFloat(),
            this.readFloat(),
            this.readFloat()
        );
    },
    readVector3: function () {
        return new THREE.Vector3(
            this.readFloat(),
            this.readFloat(),
            this.readFloat()
        );
    },
    readString: function () {
        var length = this.dataview.getUint8(this.offset++, true);
        var output = '';
        for (var i = 0; i < length; i++) {
            output += String.fromCharCode(this.dataview.getUint8(this.offset++, true));
        }
        return output;
    },
    readColor: function () {
        return new THREE.Color(
            this.readFloat(),
            this.readFloat(),
            this.readFloat()
        );
    },
    readFloat: function () {
        var output = this.dataview.getFloat32(this.offset, true);
        this.offset += 4;
        return output;
    },
    readUint32: function () {
        var output = this.dataview.getUint32(this.offset, true);
        this.offset += 4;
        return output;
    },
    readUint16: function () {
        var output = this.dataview.getUint16(this.offset, true);
        this.offset += 2;
        return output;
    },
    readUint8: function () {
        var output = this.dataview.getUint8(this.offset, true);
        this.offset++;
        return output;
    },
    // WRITER
    writeVector: function (value) {
        this.writeFloat32Array(value.toArray());
    },
    writeColor: function (value) {
        this.writeFloat32Array(value.toArray());
    },
    writeString: function (value) {
        this.writeUint8(value.length);
        for (var i = 0; i < value.length; i++) {
            this.writeUint8(value.charCodeAt(i));
        }
    },
    writeUint8: function (value) {
        this.dataview.setUint8(this.offset, value, this.isLittleEndian);
        this.offset++;
    },
    writeUint16: function (value) {
        this.dataview.setUint16(this.offset, value, this.isLittleEndian);
        this.offset += 2;
    },
    writeUint32: function (value) {
        this.dataview.setUint32(this.offset, value, this.isLittleEndian);
        this.offset += 4;
    },
    writeFloat32: function (value) {
        this.dataview.setFloat32(this.offset, value, this.isLittleEndian);
        this.offset += 4;
    },
    writeFloat32Array: function (value) {
        for (var i = 0; i < value.length; i++) {
            this.writeFloat32(value[i]);
        }
    },
    getDataView: function () {
        return this.dataview;
    }
};