function sumOddFibonacciNumbers(num) {
    // check input
    if (num < 1) {
        return "please use a positive number"
    } else if (num === 1) {
        return 1;
    }
    // create Fibonacci Sequence
    const fibonacciSequence = [1, 1]
    let index = 1;
    let nextValue = 0;
    while ( nextValue < num) {
        nextValue = fibonacciSequence[index] + fibonacciSequence[index-1]
        if (nextValue < num) {
            fibonacciSequence.push(nextValue)
            index++
        }
    }
    return fibonacciSequence.reduce(
        (acc, nextFibSeq) => acc += nextFibSeq % 2 !== 0 ? nextFibSeq : 0,0)
}



/**
* Test Suite 
*/
describe('sumOddFibonacciNumbers()', () => {
    it('returns sum of all odd Fibonnci numbers', () => {
        // arrange
        const num = 10;
        
        // act
        const result = sumOddFibonacciNumbers(num);

        // log
        console.log("result 1: ", result);
        
        // assert
        expect(result).toBe(10);
    });

    it('returns sum of all odd Fibonnci numbers 2nd example', () => {
        // arrange
        const num = 1000;
        
        // act
        const result = sumOddFibonacciNumbers(num);

        // log
        console.log("result 2: ", result);
        
        // assert
        expect(result).toBe(1785);
    });
});