/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import Fory, { TypeInfo, Type } from '../packages/core/index';
import { describe, expect, test } from '@jest/globals';
import { fromUint8Array } from '../packages/core/lib/platformBuffer';

describe('fory', () => {
    test('should deserialize null work', () => {
        const fory = new Fory();

        expect(fory.deserialize(new Uint8Array([1]))).toBe(null)
    });

    test('should deserialize xlang disable work', () => {
        const fory = new Fory();
        try {
            // bit 0 = null flag, bit 1 = xlang flag, bit 2 = oob flag
            // value 0 means xlang is disabled
            fory.deserialize(new Uint8Array([0]))
            throw new Error('unreachable code')
        } catch (error) {
            expect(error.message).toBe('support crosslanguage mode only');
        }
    });

    test('should deserialize oob mode work', () => {
        const fory = new Fory();
        try {
            // bit 0 = null flag, bit 1 = xlang flag, bit 2 = oob flag
            // value 6 = xlang (2) + oob (4) = 6
            fory.deserialize(new Uint8Array([6]))
            throw new Error('unreachable code')
        } catch (error) {
            expect(error.message).toBe('outofband mode is not supported now');
        }
    });

    test('can serialize and deserialize primitive types', () => {
        const typeinfo = Type.int8()
        testTypeInfo(typeinfo, 123)

        const typeinfo2 = Type.int16()
        testTypeInfo(typeinfo2, 123)

        const typeinfo3 = Type.int32()
        testTypeInfo(typeinfo3, 123)

        const typeinfo4 = Type.bool()
        testTypeInfo(typeinfo4, true)

        // has precision problem
        // const typeinfo5 = Type.float()
        // testTypeInfo(typeinfo5, 123.456)

        const typeinfo6 = Type.float64()
        testTypeInfo(typeinfo6, 123.456789)

        const typeinfo7 = Type.binary()
        testTypeInfo(typeinfo7, new Uint8Array([1, 2, 3]), new Uint8Array([1, 2, 3]));

        const typeinfo8 = Type.string()
        testTypeInfo(typeinfo8, '123')
    })

    function testTypeInfo(typeinfo: TypeInfo, input: any, expected?: any) {
        const fory = new Fory();
        const serialize = fory.register(typeinfo);
        const result = serialize.deserialize(
            serialize.serialize(input)
        );
        expect(result).toEqual(expected ?? input)
    }
});
