#!/bin/bash
#
# Purpose : Keep HamPackServer current (run by MiniServer's `update`, and by install.sh)

SELF="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
MINISERVER="$HOME/.local/share/MiniServer"
source "$MINISERVER/utils.sh"

# Scripts and the check tool find files in this repo through $HAMPACKSERVER_DIR
export HAMPACKSERVER_DIR="$SELF"

FAILED=()

# Run one update step; a failure is reported but doesn't stop the later steps
step() {
  local name="$1"
  shift
  echo "→ $name..."
  if ! "$@"; then
    echo "✗ $name failed."
    FAILED+=("$name")
  fi
}

remove_stale_files() {
  # Replaced by MiniServer's `update` and `sibling add`
  rm -f "$HOME/.local/bin/hampackserverupdate" "$HOME/.local/bin/hampackserverrefresh"
}

install_tools() {
  mkdir -p "$HOME/.local/bin"
  install_script "$SELF/hampackservercheck" "$HOME/.local/bin/hampackservercheck"
}

install_hampackserver_packages() {
  source "$SELF/packages.conf"
  install_packages "${SERVERS[@]}" && install_packages "${UTILITIES[@]}"
}

# Install the hamclock system service, restarting hamclock if the service or
# the binary changed
install_hamclock_service() {
  local unit=/etc/systemd/system/hamclock.service
  local rendered changed=false

  # Remove old user-level service if present
  if [ -f "$HOME/.config/systemd/user/hamclock.service" ]; then
    systemctl --user disable --now hamclock 2>/dev/null || true
    rm "$HOME/.config/systemd/user/hamclock.service"
    systemctl --user daemon-reload
  fi

  mkdir -p "$HOME/.local/share/hamclock"
  rendered=$(sed -e "s/__HAMCLOCK_USER__/$USER/g" -e "s|__HAMCLOCK_HOME__|$HOME|g" \
    "$SELF/servicefiles/hamclock.service") || return 1
  if [ "$rendered" != "$(cat "$unit" 2>/dev/null)" ]; then
    echo "$rendered" | sudo tee "$unit" > /dev/null || return 1
    sudo systemctl daemon-reload || return 1
    changed=true
  fi
  enable_services hamclock || return 1

  bash "$SELF/scripts/hamclock-cleanup.sh" || return 1

  if [ "$changed" = true ] || [ "$(hamclock_mtime)" != "$HAMCLOCK_MTIME" ]; then
    echo "Restarting hamclock..."
    sudo systemctl restart hamclock
  fi
}

hamclock_mtime() {
  stat -c %Y "$HOME/.local/bin/hamclock" 2>/dev/null
}

# --- Main ---

echo "Updating HamPackServer..."

HAMCLOCK_MTIME=$(hamclock_mtime)

step "Removing stale HamPackServer files" remove_stale_files
step "Installing HamPackServer tools" install_tools
step "Installing HamPackServer packages" install_hampackserver_packages
step "Installing compiled servers" bash "$SELF/install-compiled.sh"
step "Installing hamclock service" install_hamclock_service
step "Installing openhamclock" bash "$SELF/install-openhamclock.sh"

if (( ${#FAILED[@]} > 0 )); then
  echo "HamPackServer updated, with errors in: ${FAILED[*]}"
  exit 1
fi

echo "✓ HamPackServer updated."