#!/bin/bash
###########################################
## Package installation
##
## Written: Jordan Carlin, jcarlin@hmc.edu
## Created: 30 June 2024
## Modified:
##
## Purpose: Package manager installation for open source tool chain installation script
##
## A component of the CORE-V-WALLY configurable RISC-V project.
## https://github.com/openhwgroup/cvw
##
## Copyright (C) 2021-23 Harvey Mudd College & Oklahoma State University
##
## SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
##
## Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file
## except in compliance with the License, or, at your option, the Apache License version 2.0. You
## may obtain a copy of the License at
##
## https:##solderpad.org/licenses/SHL-2.1/
##
## Unless required by applicable law or agreed to in writing, any work distributed under the
## License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
## either express or implied. See the License for the specific language governing permissions
## and limitations under the License.
################################################################################################

set -e # break on error

# Colors
BOLD='\033[1m'
SECTION_COLOR='\033[95m'$BOLD
SUCCESS_COLOR='\033[92m'
FAIL_COLOR='\033[91m'
ENDC='\033[0m' # Reset to default color

# If run standalone, determine distro information. Otherwise, use info from main install script
if [ -z "$FAMILY" ]; then
    dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
    source "${dir}"/wally-distro-check.sh
fi


# Generate list of packages to install and package manager commands based on distro
# Packages are grouped by which tool requires them. If multiple tools need a package, it is included in the first tool only
if [ "$FAMILY" == rhel ]; then
    PYTHON_VERSION=python3.12
    PACKAGE_MANAGER="dnf"
    UPDATE_COMMAND="sudo $PACKAGE_MANAGER update -y"
    GENERAL_PACKAGES+=(which rsync git make cmake "$PYTHON_VERSION" "$PYTHON_VERSION"-pip curl wget tar pkgconf-pkg-config dialog mutt ssmtp)
    GNU_PACKAGES+=(autoconf automake  libmpc-devel mpfr-devel gmp-devel gawk bison flex texinfo gperf libtool patchutils bc gcc gcc-c++ zlib-devel expat-devel libslirp-devel)
    QEMU_PACKAGES+=(glib2-devel libfdt-devel pixman-devel bzip2 ninja-build)
    SPIKE_PACKAGES+=(dtc boost-regex boost-system)
    VERILATOR_PACKAGES+=(help2man perl clang ccache gperftools numactl mold)
    BUILDROOT_PACKAGES+=(ncurses-base ncurses ncurses-libs ncurses-devel gcc-gfortran cpio) # gcc-gfortran is only needed for compiling spec benchmarks on buildroot linux
    # Extra packages not availale in rhel8, nice for Verilator
    if (( RHEL_VERSION >= 9 )); then
        VERILATOR_PACKAGES+=(perl-doc)
    fi
    # A newer version of gcc is required for qemu
    OTHER_PACKAGES=(gcc-toolset-13)
elif [ "$FAMILY" == ubuntu ]; then
    if (( UBUNTU_VERSION >= 24 )); then
        PYTHON_VERSION=python3.12
        VERILATOR_PACKAGES+=(mold) # Not availale in Ubuntu 20.04, nice for Verilator
    elif (( UBUNTU_VERSION >= 22 )); then
        PYTHON_VERSION=python3.11
        VERILATOR_PACKAGES+=(mold) # Not availale in Ubuntu 20.04, nice for Verilator
    elif (( UBUNTU_VERSION >= 20 )); then
        PYTHON_VERSION=python3.9
        OTHER_PACKAGES+=(gcc-10 g++-10 cpp-10) # Newer version of gcc needed for Verilator
    fi
    PACKAGE_MANAGER="DEBIAN_FRONTEND=noninteractive apt-get"
    UPDATE_COMMAND="sudo $PACKAGE_MANAGER update -y && sudo $PACKAGE_MANAGER upgrade -y --with-new-pkgs"
    GENERAL_PACKAGES+=(rsync git make cmake "$PYTHON_VERSION" python3-pip "$PYTHON_VERSION"-venv curl wget tar pkg-config dialog mutt ssmtp)
    GNU_PACKAGES+=(autoconf automake autotools-dev curl libmpc-dev libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev libexpat1-dev ninja-build libglib2.0-dev libslirp-dev)
    QEMU_PACKAGES+=(libfdt-dev libpixman-1-dev)
    SPIKE_PACKAGES+=(device-tree-compiler libboost-regex-dev libboost-system-dev)
    VERILATOR_PACKAGES+=(help2man perl g++ clang ccache libunwind-dev libgoogle-perftools-dev numactl perl-doc libfl2 libfl-dev zlib1g)
    BUILDROOT_PACKAGES+=(ncurses-base ncurses-bin libncurses-dev gfortran cpio) # gfortran is only needed for compiling spec benchmarks on buildroot linux
    VIVADO_PACKAGES+=(libncurses*) # Vivado hangs on the third stage of installation without this
fi


# Check if required packages are installed or install/update them depending on passed flag.
if [ "${1}" == "--check" ]; then
    section_header "Checking Dependencies from Package Manager"
    if [ "$FAMILY" == rhel ]; then
        for pack in "${GENERAL_PACKAGES[@]}" "${GNU_PACKAGES[@]}" "${QEMU_PACKAGES[@]}" "${SPIKE_PACKAGES[@]}" "${VERILATOR_PACKAGES[@]}" "${BUILDROOT_PACKAGES[@]}" "${OTHER_PACKAGES[@]}"; do
            rpm -q "$pack" > /dev/null || (echo -e "${FAIL_COLOR}Missing packages detected (${WARNING_COLOR}$pack${FAIL_COLOR}). Run as root to auto-install or run wally-package-install.sh first.${ENDC}" && exit 1)
        done
    elif [ "$FAMILY" == ubuntu ]; then
        for pack in "${GENERAL_PACKAGES[@]}" "${GNU_PACKAGES[@]}" "${QEMU_PACKAGES[@]}" "${SPIKE_PACKAGES[@]}" "${VERILATOR_PACKAGES[@]}" "${BUILDROOT_PACKAGES[@]}" "${OTHER_PACKAGES[@]}"; do
            dpkg -l "$pack" | grep "ii" > /dev/null || (echo -e "${FAIL_COLOR}Missing packages detected (${WARNING_COLOR}$pack${FAIL_COLOR}). Run as root to auto-install or run wally-package-install.sh first." && exit 1)
        done
    fi
    echo -e "${OK_COLOR}All required packages detected.${ENDC}"
else
    # Check if root, otherwise exit with error message
    [ "${EUID:=$(id -u)}" -ne 0 ] && echo -e "\n${FAIL_COLOR}Must be run as root${ENDC}" && exit 1

    section_header "Installing/Updating Dependencies from Package Manager"
    # Enable extra repos necessary for rhel
    if [ "$FAMILY" == rhel ]; then
        sudo dnf install -y dnf-plugins-core
        sudo dnf group install -y "Development Tools"
        if [ "$ID" == rhel ]; then
            sudo subscription-manager repos --enable "codeready-builder-for-rhel-$RHEL_VERSION-$(arch)-rpms"
            sudo dnf install -y "https://dl.fedoraproject.org/pub/epel/epel-release-latest-$RHEL_VERSION.noarch.rpm"
        else # RHEL clone
            if (( RHEL_VERSION == 8 )); then
                sudo dnf config-manager -y --set-enabled powertools
            else # Version 9
                sudo dnf config-manager -y --set-enabled crb
            fi
            sudo dnf install -y epel-release
        fi
    fi

    # Update and Upgrade tools
    eval "$UPDATE_COMMAND"
    # Install packages listed above using appropriate package manager
    sudo $PACKAGE_MANAGER install -y "${GENERAL_PACKAGES[@]}" "${GNU_PACKAGES[@]}" "${QEMU_PACKAGES[@]}" "${SPIKE_PACKAGES[@]}" "${VERILATOR_PACKAGES[@]}" "${BUILDROOT_PACKAGES[@]}" "${OTHER_PACKAGES[@]}" "${VIVADO_PACKAGES[@]}"

    # Post install steps
    # Vivado looks for ncurses5 libraries, but Ubuntu 24.04 only has ncurses6
    # Create symbolic links to the ncurses6 libraries to fool Vivado
    if (( UBUNTU_VERSION >= 24 )); then
        sudo ln -vsf /lib/x86_64-linux-gnu/libncurses.so.6 /lib/x86_64-linux-gnu/libncurses.so.5
        sudo ln -vsf /lib/x86_64-linux-gnu/libtinfo.so.6 /lib/x86_64-linux-gnu/libntinfo.so.5
    fi

    echo -e "${SUCCESS_COLOR}Packages successfully installed.${ENDC}"
fi