Then explain Jesus's words here.
Jesus said Abraham had seen Him in His day before His incarnation as the prophesied Son of Man.
John 8:56 Your father Abraham rejoiced to see my day: and he saw it, and was glad. 57 Then said the Jews unto him, Thou art not yet fifty years old, and hast thou seen Abraham? 58 Jesus said unto them, Verily, verily, I say unto you, Before Abraham was, I am. 59 Then took they up stones to cast at him: but Jesus hid himself, and went out of the temple, going through the midst of them, and so passed by.
And why did Jesus said Moses had written of Him in scripture?
John 5:39 Search the scriptures; for in them ye think ye have eternal life: and they are they which testify of me. 40 And ye will not come to me, that ye might have life....
46 For had ye believed Moses, ye would have believed me; for he wrote of me. 47 But if ye believe not his writings, how shall ye believe my words?
You have to rectify verses 2 & 4 for why it was written in verse 4 that it was God that called unto him out of the midst of the bush rather than have it written as the angel that had called.
Exodus 3:2 And
the angel of the Lord appeared unto him in a flame of fire out of the midst of a bush: and he looked, and, behold, the bush burned with fire, and the bush was not consumed. 3 And Moses said, I will now turn aside, and see this great sight, why the bush is not burnt. 4 And when the Lord saw that he turned aside to see,
God called unto him out of the midst of the bush, and said, Moses, Moses. And he said, Here am I.
The answer is found at the link.
Who is the angel of the Lord? | GotQuestions.org
What that link did not address was how scripture said plainly that
the Lord that had appeared had eaten and drank with Abraham in Genesis 18:1-8 & how a man had wrestled with Jacob face to face and it was the Lord Himself in Genesis 32:24-30
So there are testimonies in scripture that goes beyond identifying Jesus as "the angel of the Lord" but also the very Lord men had seen in the O.T.