#!/usr/bin/env bash
# Install central landing-stats collector as hernani user systemd timer.
#
# On koopa:
#   cd ~/src/koopa/koopa-admin-log
#   ./scripts/taler-landing/install-landing-stats-host.sh
#   systemctl --user start taler-landing-stats.service   # one-shot now
#   systemctl --user status taler-landing-stats.timer
#
# Requires: linger enabled for hernani (loginctl enable-linger hernani)
# so the timer runs without an interactive login.
set -euo pipefail

ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
ADMIN_LOG="${ADMIN_LOG:-$ROOT}"
SRC="$ADMIN_LOG/scripts/taler-landing"
UNIT_SRC="$ADMIN_LOG/configs/systemd/user"

BIN_DST="${HOME}/.local/bin"
LIB_DST="${HOME}/.local/lib/taler-landing"
UNIT_DST="${HOME}/.config/systemd/user"
STATE_DST="${HOME}/.local/state/taler-landing-stats"

mkdir -p "$BIN_DST" "$LIB_DST" "$UNIT_DST" "$STATE_DST"

install -m 0755 "$SRC/collect-landing-stats.sh" "$BIN_DST/collect-landing-stats.sh"
install -m 0755 "$SRC/collect_bank_stats.py" "$LIB_DST/collect_bank_stats.py"
install -m 0755 "$SRC/enrich_stats_alt.py" "$LIB_DST/enrich_stats_alt.py"
install -m 0644 "$SRC/goa_amounts.py" "$LIB_DST/goa_amounts.py"

# Wrapper always uses installed lib next to itself when LIB discovery works;
# also point ADMIN_LOG for in-container script refresh.
install -m 0644 "$UNIT_SRC/taler-landing-stats.service" "$UNIT_DST/"
install -m 0644 "$UNIT_SRC/taler-landing-stats.timer" "$UNIT_DST/"

# Rewrite ExecStart to installed binary if unit uses %h path — units already do.
systemctl --user daemon-reload
systemctl --user enable --now taler-landing-stats.timer

echo "Installed (user=$(id -un)):"
echo "  $BIN_DST/collect-landing-stats.sh"
echo "  $LIB_DST/{collect_bank_stats,enrich_stats_alt,goa_amounts}.py"
echo "  $UNIT_DST/taler-landing-stats.{service,timer} (timer enabled)"
echo "  logs: $STATE_DST/"
echo
if ! loginctl show-user "$(id -un)" -p Linger 2>/dev/null | grep -q 'Linger=yes'; then
  echo "NOTE: enable linger so the timer survives logout:"
  echo "  sudo loginctl enable-linger $(id -un)"
  echo
fi
echo "Run once now:"
echo "  systemctl --user start taler-landing-stats.service"
echo "  journalctl --user -u taler-landing-stats.service -n 40 --no-pager"
echo
echo "Optional secrets (if not readable via podman exec bank /root/…):"
echo "  mkdir -p ~/.config/taler-landing"
echo "  cp …/bank-admin-password.txt ~/.config/taler-landing/"
echo "  cp …/bank-explorer-password.txt ~/.config/taler-landing/"
echo "  chmod 600 ~/.config/taler-landing/*"