#!/usr/bin/env bash
# SPDX-License-Identifier: LicenseRef-Starship-1.0
# Copyright (c) 2023-2026 Robert A. James
# test_nightly_dict_hash.sh -- the tests of `scripts/nightly.sh dict-hash` (#172): the three
# architectures' boots agree on one dict_hash only when all three report one, and it is the same.
# No QEMU: each case is a scratch NIGHTLY_OUT with accept-<arch>.txt files and serial logs, as the
# accept stages leave them.
#
# Prints PASS:/FAIL: per check and RESULT:; exits 0 only if every check passes.
set -uo pipefail
NIGHTLY="$(cd "$(dirname "$0")" && pwd)/nightly.sh"
T=$(mktemp -d)
trap 'rm -rf "$T"' EXIT
ok=1

boot() {  # boot <arch> <hash|none|nolog|nofile>: what accept <arch> leaves
    local a=$1 h=$2 log="$T/logs/$1.log"
    mkdir -p "$T/out" "$T/logs"
    case $h in
        nofile) rm -f "$T/out/accept-$a.txt"; return ;;
        nolog)  printf 'RESULT: PASS\n' > "$T/out/accept-$a.txt"; return ;;
    esac
    printf 'LOG: %s\nRESULT: PASS\n' "$log" > "$T/out/accept-$a.txt"
    if [ "$h" = none ]; then printf 'POST: PASSED\n' > "$log"
    else printf 'PARITY:V4_SYSTEM word_count=318 dict_hash=%s\nPOST: PASSED\n' "$h" > "$log"; fi
}

expect() {  # expect <pass|refuse> "what"
    local want=$1 what=$2 out rc
    out=$(NIGHTLY_OUT="$T/out" bash "$NIGHTLY" dict-hash 2>&1); rc=$?
    if { [ "$want" = pass ] && [ $rc -eq 0 ]; } ||
       { [ "$want" = refuse ] && [ $rc -eq 1 ] && grep -q "do not agree" <<<"$out"; }; then
        echo "PASS: $what"
    else
        echo "FAIL: $what (exit $rc)"; printf '      %s\n' "$out" | head -4; ok=0
    fi
}

H=0x8c92508f748f99cf
boot amd64 $H; boot aarch64 $H; boot riscv64 $H
expect pass   "three boots, one dict_hash: pass"

boot riscv64 0x0000000000000001
expect refuse "two hashes differ: refused"

boot riscv64 none
expect refuse "one log has no PARITY:V4_SYSTEM line (two agree): refused"

boot riscv64 nolog
expect refuse "one accept-<arch>.txt names no LOG: (two agree): refused"

boot riscv64 nofile
expect refuse "one architecture was not booted (two agree): refused"

boot riscv64 $H; rm -f "$T/logs/riscv64.log"
expect refuse "one serial log is missing (two agree): refused"

rm -f "$T/out/accept-"*.txt
expect refuse "no architecture booted at all: refused, and says so"

echo "RESULT: $([ $ok = 1 ] && echo PASS || echo FAIL)"
[ $ok = 1 ]