#!/bin/sh

# Set Bitcoin version
BITCOIN_VERSION="25.0"

# Function to get Bitcoin binary based on architecture
get_bitcoin_binary() {
    local arch
    arch=$(uname -m)
    case "$arch" in
        "x86_64")
            echo "bitcoin-$BITCOIN_VERSION-x86_64-linux-gnu.tar.gz"
            ;;
        "aarch64")
            echo "bitcoin-$BITCOIN_VERSION-aarch64-linux-gnu.tar.gz"
            ;;
        "armv7l")
            echo "bitcoin-$BITCOIN_VERSION-arm-linux-gnueabihf.tar.gz"
            ;;
        *)
            echo "Unsupported architecture: $arch"
            exit 1
    esac
}

# Function to install Bitcoin from source
install_bitcoin_from_source() {
    wget https://bitcoincore.org/bin/bitcoin-core-$BITCOIN_VERSION/bitcoin-$BITCOIN_VERSION.tar.gz 
    tar -xvf bitcoin-$BITCOIN_VERSION.tar.gz
    cd bitcoin-$BITCOIN_VERSION || exit 1
    ./autogen.sh
    ./configure --disable-wallet
    make 
    if [ $? -ne 0 ]; then
        return 1
    fi
    sudo make install
    cd .. || exit 1
    return 0
}

# Function to install Bitcoin binary
install_bitcoin_binary() {
    binary_name=$(get_bitcoin_binary)
    bitcoin_url="https://bitcoincore.org/bin/bitcoin-core-$BITCOIN_VERSION/$binary_name"
    tmp_dir="/tmp/bitcoin-install-$(date +%s)"
    mkdir -p "$tmp_dir"
    cd "$tmp_dir" || exit 1
    wget "$bitcoin_url"
    tar -xzf "$binary_name"
    sudo install -m 0755 -o root -g root -t /usr/local/bin bitcoin-$BITCOIN_VERSION/bin/*
    cd - || exit 1
    rm -rf "$tmp_dir"
    echo "Bitcoin Core version $BITCOIN_VERSION has been installed successfully."
}

# Function to install Bitcoin for macOS
install_bitcoin_macos() {
    wget https://bitcoincore.org/bin/bitcoin-core-$BITCOIN_VERSION/bitcoin-$BITCOIN_VERSION-osx64.tar.gz
    tar -xzf bitcoin-$BITCOIN_VERSION-osx64.tar.gz
    sudo mv bitcoin-$BITCOIN_VERSION/bin/* /usr/local/bin/
    rm -rf bitcoin-$BITCOIN_VERSION-osx64.tar.gz bitcoin-$BITCOIN_VERSION
    echo "Bitcoin Core version $BITCOIN_VERSION has been installed successfully on macOS."
}

# Main function to install Bitcoin
install_bitcoin() {
    case "$(uname -s)" in
        Darwin)
            install_bitcoin_macos
            ;;
        Linux)
            if ! install_bitcoin_from_source; then
                install_bitcoin_binary
            fi
            ;;
        *)
            echo "Unsupported operating system"
            exit 1
    esac
}

# Run the install Bitcoin function
install_bitcoin