#!/bin/bash
set -euo pipefail

PILL_REPO="$HOME/gentoo-pill"
HOSTNAME_TAG="${HOSTNAME:-$(hostname)}"

# remote trigger
SERVER_USER="mira"
SERVER_IP="192.168.102.148"
SERVER_BINHOST_DIR="~/gentoo-pill"

HOST_DIR="$PILL_REPO/hosts/$HOSTNAME_TAG"
echo "> Syncing configuration for: $HOSTNAME_TAG"

if [[ -d "$PILL_REPO/.git" ]]; then
    git -C "$PILL_REPO" pull --rebase --autostash
else
    echo "Error: repo not found at $PILL_REPO"
    exit 1
fi

mkdir -p "$HOST_DIR"

echo "> Syncing World file component..."
cp /var/lib/portage/world "$HOST_DIR/world"

CONFIGS=(package.use package.accept_keywords package.license package.mask package.unmask package.env repos.conf)

echo "> Syncing Portage components..."
for type in "${CONFIGS[@]}"; do
    local_src="/etc/portage/$type"
    repo_dest="$HOST_DIR/$type"
    
    # rm -rf "$repo_dest" 

    if [[ -e "$local_src" ]]; then
        rsync -a --delete --copy-links "$local_src" "$HOST_DIR/"
    else
        rm -rf "$repo_dest"
    fi
done

echo "> Pushing..."
cd "$PILL_REPO"

if [[ -n $(git status --porcelain) ]]; then
    git add .
    git commit -m "sync: $HOSTNAME_TAG $(date +'%Y-%m-%d %H:%M')"
    git push
    echo "> Changes pushed successfully."
    
    # trigger the remote
    if [[ -n "$SERVER_IP" ]]; then
        echo "> Triggering binhost build @ [$SERVER_IP]..."
        ssh "${SERVER_USER}@${SERVER_IP}" \
            "cd ${SERVER_BINHOST_DIR} && ./binhost.sh"
    fi
else
    echo "> No changes, binhost trig skipped"
fi