setupalt

#!/usr/bin/env bash

# Set default command paths if not already defined
RMFILE="${RMFILE:-$(command -v rm) -rf}"
PYTHON="${PYTHON:-$(command -v python)}"
MKDIR="${MKDIR:-$(command -v mkdir) -p}"
INSTALL="${INSTALL:-$(command -v install) -v -c}"

# Determine the Python library installation path
PREFIX="${PREFIX:-$(${PYTHON} -c 'from distutils.sysconfig import get_python_lib; print(get_python_lib())')}"

# Function to execute a command and print it
run_command() {
    echo "$1"
    eval "$1"
}

# Function to create directory if it doesn't exist
ensure_directory() {
    [ -z "$1" ] || run_command "${MKDIR} \"$1\""
}

# Function to install Python files
install_python_file() {
    run_command "${INSTALL} \"$1\" \"$2\""
}

# Function to compile Python files
compile_python_files() {
    run_command "${PYTHON} -m compileall \"$PREFIX/$1\""
    run_command "${PYTHON} -O -m compileall \"$PREFIX/$1\""
}

# Main installation process
main() {
    local OLDCWD="$(pwd)"
    
    echo "Installing Python Module upcean"
    
    # Check for required Python modules
    for module in PIL readline; do
        if ! ${PYTHON} -c "import $module" &>/dev/null; then
            echo "Required Python module '$module' not found."
            exit 1
        fi
    done

    # Create installation directory if necessary
    ensure_directory "$PREFIX/upcean"

    # Copy files to the target directory
    for file in ./upcean/*; do
        install_python_file "$file" "$PREFIX/upcean/$(basename "$file")"
    done

    # Compile the installed files
    run_command "cd \"$PREFIX\""
    compile_python_files "upcean"
    run_command "cd \"$OLDCWD\""

    echo "Finished installing Python Module upcean"
}

# Execute main installation function
main