#!/usr/bin/env bash
# Builds and runs the tests (OVRAS_BUILD_TESTS) in a Debian container with
# both render backends, Vulkan with the Khronos validation layers. Fails on any
# validation message. Adapted from the vrdashboard template.
#
#   build_scripts/steamframe/container-test.sh          GPU via /dev/dri if
#                                                       available, else software
#   VK_DRIVER=lvp build_scripts/steamframe/container-test.sh
#                                                       force lavapipe (software)
set -euo pipefail

here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
root="$(cd "$here/../.." && pwd)"
engine="${CONTAINER_ENGINE:-$(command -v podman || command -v docker)}"
"$engine" build -q -t ovras-steamframe-native -f "$here/native.Dockerfile" "$here" >/dev/null
"$engine" build -q -t ovras-steamframe-test -f "$here/test.Dockerfile" "$here" >/dev/null

run=("$engine" run --rm -v "$root:$root:z" -w "$root" -e HOME=/tmp -e "VK_DRIVER=${VK_DRIVER:-}")
if [[ "$(basename "$engine")" == docker ]]; then
    run+=(--user "$(id -u):$(id -g)")
else
    run+=(--userns=keep-id)
fi
[[ -e /dev/dri/renderD128 ]] && run+=(--device /dev/dri/renderD128)

"${run[@]}" ovras-steamframe-test bash -c '
    set -e
    build=build/steamframe-test
    cmake -S . -B $build -G Ninja -DCMAKE_BUILD_TYPE=Debug -DOVRAS_BUILD_TESTS=ON >/dev/null
    cmake --build $build --target tst_render
    if [[ -n "$VK_DRIVER" ]]; then export VK_DRIVER_FILES=/usr/share/vulkan/icd.d/${VK_DRIVER}_icd.json; fi
    vulkaninfo --summary 2>/dev/null | grep -m1 deviceName || true
    Xvfb :99 >/dev/null 2>&1 &
    sleep 1
    export DISPLAY=:99 OVRAS_VULKAN_VALIDATION=1
    ctest --test-dir $build --output-on-failure -V > $build/ctest.log 2>&1 \
        || { tail -40 $build/ctest.log; exit 1; }
    grep -E "tests passed|Test +#|Totals" $build/ctest.log
    # A skipped test (no GPU context) must not count as passed.
    if grep -q "SKIP" $build/ctest.log; then
        echo "Tests were skipped (see $build/ctest.log)"; exit 1
    fi
    messages=$(grep -oE "(VUID|UNASSIGNED)-[A-Za-z0-9_.-]+" $build/ctest.log | sort | uniq -c || true)
    if [[ -n "$messages" ]]; then
        echo "Vulkan validation messages (see $build/ctest.log):"
        echo "$messages"
        exit 1
    fi
    echo "No Vulkan validation messages."
'