Thanks for bringing all this up. I'll try to answer you point by point.

Christians believe that Jesus is God because it says so throughout the Bible both Old and New Testaments. I'll just pick a few examples:

For a child will be born to us, a son will be given to us; And the government will rest on His shoulders; And His name will be called Wonderful Counselor, Mighty God, Eternal Father, Prince of Peace. There will be no end to the increase of His government or of peace, On the throne of David and over his kingdom, To establish it and to uphold it with justice and righteousness From then on and forevermore. The zeal of the LORD of hosts will accomplish this.… Isaiah 9:6-7

Thomas worshiped Jesus and called Him "My Lord and My God" and Jesus did not rebuke him:

Then Jesus said to Thomas, “Put your finger here and look at My hands. Reach out your hand and put it into My side. Stop doubting and believe.” Thomas replied, “My Lord and my God!” Jesus said to him, “Because you have seen Me, you have believed; blessed are those who have not seen, and yet have believed.” John 20:27-29

Jesus discussion with Philip is also very revealing.

If you had known Me, you would know My Father as well. From now you do know Him and have seen Him.” Philip said to Him, “Lord, show us the Father, and that will be enough for us.” Jesus replied, “Philip, I have been with you all this time, and still you do not know Me? Anyone who has seen Me has seen the Father. How can you say, ‘Show us the Father’?… John 14:7-9

And finally, Jesus last commandment, the Great Commission, shows that there is a single Name for one God who is known in three Persons:

Then the eleven disciples went to Galilee, to the mountain where Jesus had told them to go. When they saw him, they worshiped him; but some doubted. Then Jesus came to them and said, “All authority in heaven and on earth has been given to me. Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, and teaching them to obey everything I have commanded you. And surely I am with you always, to the very end of the age.” Matthew 28:16-20

I recognize the Muhammad called this concept of the Holy Trinity "Shirk" as something bad, but there it is clearly taught everywhere in the Bible. Jesus is God wrapped in human flesh. He is not one of the Prophets. He is far greater than them. The whole book of Hebrews is a dissertation on all the ways He is greater than them.

On many past occasions and in many different ways, God spoke to our fathers through the prophets. But in these last days He has spoken to us by His Son, whom He appointed heir of all things, and through whom He made the universe. The Son is the radiance of God’s glory and the exact representation of His nature, upholding all things by His powerful word. After He had provided purification for sins, He sat down at the right hand of the Majesty on high.… Hebrews 1:1-3

One God in Three Persons. Hard to understand but profoundly true.

John calls Jesus the "Logos" - The Word of God:

In the beginning was the Word, and the Word was with God, and the Word was God. He was with God in the beginning. Through him all things were made; without him nothing was made that has been made. In him was life, and that life was the light of all mankind. The light shines in the darkness, and the darkness has not overcome it... ...The true light that gives light to everyone was coming into the world. He was in the world, and though the world was made through him, the world did not recognize him. He came to that which was his own, but his own did not receive him. Yet to all who did receive him, to those who believed in his name, he gave the right to become children of God— children born not of natural descent, nor of human decision or a husband's will, but born of God... ...14 The Word became flesh and made his dwelling among us. We have seen his glory, the glory of the one and only Son, who came from the Father, full of grace and truth.

Now, as for wine. Drunkenness is forbidden but the use of wine was common. Jesus used it at the Last Supper to establish one of the two great Sacraments of Christianity:

Then He took the cup, gave thanks and gave it to them, saying, “Drink from it, all of you. This is My blood of the covenant, which is poured out for many for the forgiveness of sins. I tell you, I will not drink of this fruit of the vine from now on until the day when I drink it anew with you in My Father’s kingdom.” Matthew 26:28

Of course in His very first miracle he converted water into wine at a wedding where the guests had already consumed the entire available supply.

Concerning ham sandwiches. It is true that Jewish law prohibits eating swine flesh. However, this law was specifically applied only to Jews and not to gentiles. This was confirmed in a vision that Peter had where God released Christians from that prior restriction:

About noon the following day as they were on their journey and approaching the city, Peter went up on the roof to pray. He became hungry and wanted something to eat, and while the meal was being prepared, he fell into a trance. He saw heaven opened and something like a large sheet being let down to earth by its four corners. It contained all kinds of four-footed animals, as well as reptiles and birds. Then a voice told him, “Get up, Peter. Kill and eat.”
“Surely not, Lord!” Peter replied. “I have never eaten anything impure or unclean.” The voice spoke to him a second time, “Do not call anything impure that God has made clean.” Acts 10:9-16

At the Jerusalem Council, all the Apostles got together - including their newest member Paul - and discussed what laws should apply to non-Jewish people:

The whole assembly became silent as they listened to Barnabas and Paul telling about the signs and wonders God had done among the Gentiles through them. When they finished, James spoke up. "Brothers," he said, "listen to me. Simon has described to us how God first intervened to choose a people for his name from the Gentiles. The words of the prophets are in agreement with this, as it is written: " 'After this I will return and rebuild David's fallen tent. Its ruins I will rebuild, and I will restore it, that the rest of mankind may seek the Lord, even all the Gentiles who bear my name, says the Lord, who does these things'— things known from long ago. "It is my judgment, therefore, that we should not make it difficult for the Gentiles who are turning to God. Instead we should write to them, telling them to abstain from food polluted by idols, from sexual immorality, from the meat of strangled animals and from blood. For the law of Moses has been preached in every city from the earliest times and is read in the synagogues on every Sabbath." Acts 15

They did not require gentiles to follow the entire Jewish law.

Finally, Paul confirms this in his letter to the Romans:

Accept the one whose faith is weak, without quarreling over disputable matters. One person's faith allows them to eat anything, but another, whose faith is weak, eats only vegetables. The one who eats everything must not treat with contempt the one who does not, and the one who does not eat everything must not judge the one who does, for God has accepted them. Who are you to judge someone else's servant? To their own master, servants stand or fall. And they will stand, for the Lord is able to make them stand. Romans 14:1-4

LIke you, I could go on like this forever, but this is also getting long.

The key point is that true Biblical Christians do obey the Bible but they study ALL of it and don't take single verses out of context. The Old Testament Law was fulfilled by Jesus who taught his followers the more mature commandment - to follow the key Principles behind the Law:

“Teacher, which is the greatest commandment in the Law?”Jesus replied: “‘Love the Lord your God with all your heart and with all your soul and with all your mind.’ This is the first and greatest commandment. And the second is like it: ‘Love your neighbor as yourself.’ All the Law and the Prophets hang on these two commandments.” Matthew 22:36-40