#!/bin/bash
#
# Runnable self-check for compat32ctl.
# Exercises argument handling and the --dry-run previews, so it runs anywhere
# (no root, no Slackware pkgtools required). Exits nonzero on any failure.
#
# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
# SPDX-License-Identifier: GPL-2.0-only
#
set -u
cd "$(dirname "$0")"
failed=0

pass() { printf 'ok   - %s\n' "$1"; }
fail() { printf 'FAIL - %s\n' "$1"; failed=1; }

# --- syntax ---------------------------------------------------------------
if bash -n compat32ctl; then pass "syntax (bash -n)"; else fail "syntax (bash -n)"; fi

# --- argument handling ----------------------------------------------------
./compat32ctl >/dev/null 2>&1 && fail "no args -> usage, nonzero" || pass "no args -> usage, nonzero"
./compat32ctl help >/dev/null 2>&1 && pass "help -> 0" || fail "help -> 0"
./compat32ctl bogus >/dev/null 2>&1 && fail "unknown cmd -> nonzero" || pass "unknown cmd -> nonzero"

# --- dry-run previews -----------------------------------------------------
sync_out=$(./compat32ctl sync -n 2>&1)
printf '%s' "$sync_out" | grep -q 'mirror -c -e -v'            && pass "sync -n shows lftp mirror -v" || fail "sync -n shows lftp mirror -v"
printf '%s' "$sync_out" | grep -q 'cmd:show-status on'         && pass "sync -n enables lftp status"  || fail "sync -n enables lftp status"
printf '%s' "$sync_out" | grep -q 'md5sum -c --ignore-missing' && pass "sync -n shows md5 verify"   || fail "sync -n shows md5 verify"

install_out=$(./compat32ctl install -n 2>&1)
printf '%s' "$install_out" | grep -q 'upgradepkg --install-new' && pass "install -n shows upgradepkg" || fail "install -n shows upgradepkg"
[ "$install_out" = "$(./compat32ctl update -n 2>&1)" ] && pass "update -n matches install -n" || fail "update -n matches install -n"

# --- remove refuses without root ------------------------------------------
if [ "$(id -u)" -ne 0 ]; then
  ./compat32ctl remove >/dev/null 2>&1 && fail "remove (real) refuses non-root" || pass "remove (real) refuses non-root"
fi

# --- remove discovery -----------------------------------------------------
tmp=$(mktemp -d)
touch "$tmp/aaa_libraries-compat32-16.0-x86_64-1compat32" \
      "$tmp/compat32-tools-3.10-noarch-18alien" \
      "$tmp/unrelated-1.0-x86_64-1"
remove_out=$(PKGDIR="$tmp" ./compat32ctl remove -n 2>&1)
rm -rf "$tmp"
printf '%s' "$remove_out" | grep -q 'aaa_libraries-compat32-16.0-x86_64-1compat32' && pass "remove -n finds compat32 libs"  || fail "remove -n finds compat32 libs"
printf '%s' "$remove_out" | grep -q 'compat32-tools-3.10-noarch-18alien'       && pass "remove -n finds compat32-tools" || fail "remove -n finds compat32-tools"
printf '%s' "$remove_out" | grep -q 'unrelated' && fail "remove -n skips unrelated" || pass "remove -n skips unrelated"

# --- remove on an empty package db ----------------------------------------
tmp=$(mktemp -d)
PKGDIR="$tmp" ./compat32ctl remove -n >/dev/null 2>&1 && pass "remove -n empty db -> 0" || fail "remove -n empty db -> 0"
rm -rf "$tmp"

exit $failed