#!/usr/bin/env bash
# Part of JoeyLib, Copyright (c) 2026 Scott Duensing, under the MIT License.
# See LICENSE.md for license information.
# SPDX-License-Identifier: MIT
#
# verify-psp-tilebank.sh - Tile-bank gate for the PSP: proves the PSP build
# loads the DOS bake (its stage is the same chunky 4bpp) exactly and refuses
# a bank baked for any other target.
#
# Runs TILEBANK (examples/tilebank) under PPSSPPHeadless
# (scripts/lib/pspGate.sh) from its folder on a private memory stick, with
# the DATA/tilebank make/psp.mk staged from the host gate's fixture beside it
# and every memory access checked as a PSP checks it. Its TILEBANK line in
# joeylog.txt must say PASS with both hashes equal to the host gate's and
# every other target refused (scripts/lib/tileBankGate.sh).
#
# Usage:   scripts/verify-psp-tilebank.sh
# Env:     TILEBANK_DATA_DIR  stage this DATA/tilebank instead (negative controls)
# Requires: a host cc, PPSSPPHeadless; build/psp/bin/TILEBANK (make psp).
set -uo pipefail

repo=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
source "$repo/scripts/lib/joeyEnv.sh"
source "$repo/scripts/lib/tileBankGate.sh"
source "$repo/scripts/lib/pspGate.sh"
pspNeed

dir=$repo/build/psp/bin/TILEBANK
dataDir=$(tileBankData "$dir")
lineSeconds=60

tileBankNeedBuild "$dir/EBOOT.PBP" "$dataDir" "make psp"
tileBankReference

work=$(mktemp -d -t joeylib-psp-tilebank.XXXXXX)
cleanup() {
    pspStop
    rm -rf "$work"
}
trap cleanup EXIT

mkdir -p "$work/program/DATA"
cp "$dir/EBOOT.PBP" "$work/program/"
cp -r "$dataDir" "$work/program/DATA/tilebank"
folder=$(pspStage "$work" "$work/program")
pspRun "$work" "$folder" "$lineSeconds"

log=$(tileBankAwaitLine "$folder" "$lineSeconds" "$PSP_PID")
pspStop
pspStrictCheck "$work" "$dir" || { echo "verify-psp-tilebank: FAIL - a bad memory access" >&2; exit 1; }
if [ -z "$log" ]; then
    echo "verify-psp-tilebank: FAIL - no TILEBANK line within ${lineSeconds}s" >&2
    tail -5 "$work/ppsspp.log" >&2
    exit 1
fi
tileBankJudge "$log"