#!/bin/bash

set -e

if [ "$(whoami)" == "root" ]; then
    SUDOCMD=""
else
    SUDOCMD="sudo "
fi

${SUDOCMD} apt-get update &&
    ${SUDOCMD} apt-get install -y \
        libpam0g-dev \
        libudev-dev \
        libssl-dev \
        libsystemd-dev \
        pkg-config \
        curl \
        rsync \
        git \
        cmake \
        build-essential \
        jq \
        tpm-udev

if [ -z "${PACKAGING}" ]; then
    PACKAGING=0
fi

if [ "${PACKAGING}" -eq 1 ]; then
    # Install packages needed for cargo-deb to build healthy debs for any supported target
    # This works in Debian, but not in Ubuntu because they do multiarch weird.
    # It would be too invasive to config a daily driver Ubuntu install for multiarch,
    # so instead we don't, and just warn.
    # shellcheck disable=SC1091
    source /etc/os-release
    if [[ "$ID" == "ubuntu" ]]; then
        echo 2>&1 "You're running Ubuntu, so we're skipping enabling multiarch for you because it would be too invasive. You won't be able to build valid debs for other than your native architecture."
        ${SUDOCMD} apt-get install -y \
            libpam0g \
            libssl3
    elif [[ "$ID" == "debian" ]]; then
        ${SUDOCMD} dpkg --add-architecture arm64 && ${SUDOCMD} apt-get update
        ${SUDOCMD} apt-get install -y \
            libpam0g:{amd64,arm64} \
            libssl3:{amd64,arm64}
    fi
    export INSTALL_RUST=1
fi

if [ -z "$(which cargo)" ]; then
    if [ -f "$HOME/.cargo/env" ]; then
        #shellcheck disable=SC1091
        source "$HOME/.cargo/env"
    elif [ "${INSTALL_RUST}" == "1" ]; then
        curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
        #shellcheck disable=SC1091
        source "$HOME/.cargo/env"
    else
        echo "#############################################################"
        echo "Couldn't find rust and you didn't say to install it..."
        echo "#############################################################"
    fi

fi

ERROR=0
if [ -z "$(which cargo)" ]; then
    echo "You don't have cargo / rust installed!"
    echo "Go to <https://www.rust-lang.org/tools/install> for instructions!"
    echo ""
    echo "Or run this script with INSTALL_RUST=1 to install it for you."
    ERROR=1
fi

if [ $ERROR -eq 0 ] && [ -z "$(which cross)" ]; then
    echo "You don't have cross installed! Installing it now..."
    cargo install -f cross
fi
if [ $ERROR -eq 0 ] && [ -z "$(which cargo-deb)" ]; then
    echo "You don't have cargo-deb installed! Installing it now..."
    cargo install -f cargo-deb
fi

if [ $ERROR -eq 1 ]; then
    exit 1
fi

echo "Woo, all ready to go!"

#shellcheck disable=SC2016
echo 'You might need to load the env:  source "$HOME/.cargo/env"'