#!/usr/bin/env bash
# BackTunnel installer (scripts, man page, completions, Dolphin service menus)
set -euo pipefail

PREFIX=${PREFIX:-/usr}
DESTDIR=${DESTDIR:-}

BINDIR="$DESTDIR$PREFIX/bin"
MANDIR="$DESTDIR$PREFIX/share/man/man1"
KIO_SM="$DESTDIR$PREFIX/share/kio/servicemenus"
KSVC5="$DESTDIR$PREFIX/share/kservices5/ServiceMenus"
APPDIR="$DESTDIR$PREFIX/share/applications"
BCOMP="$DESTDIR$PREFIX/share/bash-completion/completions"
SHARE_DIR="$DESTDIR$PREFIX/share/backtunnel"
ETC_DIR="$DESTDIR/etc/backtunnel"

say() { printf '[BackTunnel] %s\n' "$@"; }

# --- Create dirs ---
install -d -m 755 "$BINDIR" "$MANDIR" "$KIO_SM" "$KSVC5" "$BCOMP" "$SHARE_DIR" "$APPDIR"
install -d -m 755 "$ETC_DIR"

# --- Install binaries ---
for f in \
  scripts/backtunnel-share \
  scripts/backtunnel-access \
  scripts/backtunnel-share-gui \
  scripts/backtunnel-access-gui \
  scripts/backtunnel-open-term \
  scripts/backtunnel-share-tui \
  scripts/backtunnel-access-tui \
  scripts/backtunnel-keys \
  scripts/backtunnel-authorize \
  scripts/backtunnel-auth-setup
do
  if [[ -f "$f" ]]; then
    install -m 755 "$f" "$BINDIR/$(basename "$f")"
    say "Installed $(basename "$f")"
  fi
done

# --- Man page ---
if [[ -f man/backtunnel.1 ]]; then
  install -m 644 man/backtunnel.1 "$MANDIR/backtunnel.1"
  say "Installed man page"
fi

# --- Bash completion (same file serves both commands) ---
if [[ -f completions/backtunnel.bash ]]; then
  install -m 644 completions/backtunnel.bash "$BCOMP/backtunnel-share"
  install -m 644 completions/backtunnel.bash "$BCOMP/backtunnel-access"
  say "Installed bash completions"
fi

# --- Dolphin service menus (Plasma 6 primary, Plasma 5 fallback) ---
if [[ -f servicemenus/backtunnel_share.desktop ]]; then
  install -m 644 servicemenus/backtunnel_share.desktop "$KIO_SM/backtunnel_share.desktop"
  install -m 644 servicemenus/backtunnel_share.desktop "$KSVC5/backtunnel_share.desktop"
  say "Installed Dolphin: Share"
fi
if [[ -f servicemenus/backtunnel_access.desktop ]]; then
  install -m 644 servicemenus/backtunnel_access.desktop "$KIO_SM/backtunnel_access.desktop"
  install -m 644 servicemenus/backtunnel_access.desktop "$KSVC5/backtunnel_access.desktop"
  say "Installed Dolphin: Access"
fi

# --- Optional desktop launcher ---
if [[ -f desktop/backtunnel.desktop ]]; then
  install -m 644 desktop/backtunnel.desktop "$APPDIR/backtunnel.desktop"
  say "Installed desktop launcher"
fi

# --- Profiles defaults ---
if [[ -f docs/profiles.ini.example ]]; then
  install -m 644 docs/profiles.ini.example "$SHARE_DIR/profiles.ini"
  # install system default if not present (don’t overwrite local admin config)
  if [[ ! -f "$ETC_DIR/profiles.ini" ]]; then
    install -m 644 docs/profiles.ini.example "$ETC_DIR/profiles.ini"
    say "Installed default /etc/backtunnel/profiles.ini"
  else
    say "Preserved existing /etc/backtunnel/profiles.ini"
  fi
fi

# --- Refresh desktop/KDE cache (best-effort; skip during DESTDIR packaging) ---
if [[ -z "${DESTDIR}" ]]; then
  if command -v update-desktop-database >/dev/null 2>&1; then
    say "Refreshing desktop database..."
    update-desktop-database -q || true
  fi
  if command -v kbuildsycoca6 >/dev/null 2>&1; then
    say "Rebuilding KDE sycoca (Plasma 6)..."
    kbuildsycoca6 --noincremental >/dev/null 2>&1 || true
  elif command -v kbuildsycoca5 >/dev/null 2>&1; then
    say "Rebuilding KDE sycoca (Plasma 5)..."
    kbuildsycoca5 --noincremental >/dev/null 2>&1 || true
  fi
fi

say "Install complete."