name: MobileGL APK

on:
  push:
    branches:
      - dev
      - Feat/Backend-Direct-GLES
      - Feat/Backend-Direct-Vulkan
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      CCACHE_BASEDIR: ${{ github.workspace }}
      CCACHE_COMPRESS: "true"
      CCACHE_DIR: ${{ github.workspace }}/.ccache
      CCACHE_MAXSIZE: 4G
      CCACHE_NOHASHDIR: "true"
      MOBILEGL_CMAKE_COMPILER_LAUNCHER: ccache

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Set artifact metadata
        run: |
          echo "date_today=$(date +'%Y-%m-%d')" >> "$GITHUB_ENV"
          echo "short_sha=${GITHUB_SHA::7}" >> "$GITHUB_ENV"

      - name: Set up JDK
        uses: actions/setup-java@v4
        with:
          distribution: zulu
          java-version: '17'

      - name: Setup Gradle
        uses: gradle/actions/setup-gradle@v4
        with:
          gradle-version: 8.10.2

      - name: Restore ccache
        uses: actions/cache@v4
        with:
          path: .ccache
          key: ${{ runner.os }}-apk-${{ github.job }}-ccache-${{ github.ref_name }}-${{ github.run_id }}
          restore-keys: |
            ${{ runner.os }}-apk-${{ github.job }}-ccache-${{ github.ref_name }}-
            ${{ runner.os }}-apk-${{ github.job }}-ccache-

      - name: Install ccache
        run: |
          sudo apt-get update
          sudo apt-get install -y ccache
          ccache --version

      - name: Setup Android SDK
        uses: android-actions/setup-android@v3
        with:
          accept-android-sdk-licenses: false

      - name: Accept Android SDK licenses
        run: yes | sdkmanager --licenses >/dev/null

      - name: Install Android NDK
        run: |
          sdkmanager "ndk;27.3.13750724"
          echo "ndk.dir=$ANDROID_HOME/ndk/27.3.13750724" >> android-plugin/local.properties

      - name: Update glslang external sources
        working-directory: 3rdparty/glslang
        run: python update_glslang_sources.py

      - name: Build plugin APKs
        run: gradle --no-daemon -p android-plugin :app:assembleEsprytPluginRelease :app:assembleMagmaPluginRelease -Pmobilegl.logLevel=MOBILEGL_LOG_LEVEL_INFO --parallel --max-workers "$(nproc)"
        env:
          SIGNING_STORE_PASSWORD: ${{ secrets.SIGNING_STORE_PASSWORD }}
          SIGNING_KEY_ALIAS: ${{ secrets.SIGNING_KEY_ALIAS }}
          SIGNING_KEY_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}

      - name: Download ANGLE x86_64 libraries
        run: |
          angle_dir="android-plugin/app/src/trace/jniLibs/x86_64"
          angle_commit="f2a3d510dffd8f6540a52e1a7d0c5787d151075b"
          angle_base="https://raw.githubusercontent.com/FCL-Team/FoldCraftLauncher/${angle_commit}/FCLauncher/src/main/jniLibs/x86_64"
          mkdir -p "${angle_dir}"
          curl -L --fail --retry 3 -o "${angle_dir}/libEGL_angle.so" "${angle_base}/libEGL_angle.so"
          curl -L --fail --retry 3 -o "${angle_dir}/libGLESv2_angle.so" "${angle_base}/libGLESv2_angle.so"
          test -s "${angle_dir}/libEGL_angle.so"
          test -s "${angle_dir}/libGLESv2_angle.so"
          echo "c41828768d089899fa058ec0bee711a91be88347f29bdb935223da6be1149c40  ${angle_dir}/libEGL_angle.so" | sha256sum -c -
          echo "e4f820d99f94365c66df868c7740fef142fe5c0cd7c941790a9e30638857ca4d  ${angle_dir}/libGLESv2_angle.so" | sha256sum -c -

      - name: Build retrace APKs
        run: gradle --no-daemon -p android-plugin :app:assembleEsprytTraceRelease :app:assembleMagmaTraceRelease -Pmobilegl.abis=all -Pmobilegl.debuggableRelease=true -Pmobilegl.logLevel=MOBILEGL_LOG_LEVEL_INFO --parallel --max-workers "$(nproc)"
        env:
          SIGNING_STORE_PASSWORD: ${{ secrets.SIGNING_STORE_PASSWORD }}
          SIGNING_KEY_ALIAS: ${{ secrets.SIGNING_KEY_ALIAS }}
          SIGNING_KEY_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}

      - name: Show ccache stats
        if: always()
        run: ccache --show-stats

      - name: Verify signed APKs
        run: |
          APKSIGNER="$(find "$ANDROID_HOME/build-tools" -name apksigner -type f | sort -V | tail -n 1)"
          mapfile -t APKS < <(find android-plugin/app/build/outputs/apk -type f -path '*/release/*.apk' | sort)
          if [ "${#APKS[@]}" -eq 0 ]; then
            echo "::error::No release APKs found under android-plugin/app/build/outputs/apk"
            find android-plugin/app/build/outputs/apk -type f -print || true
            exit 1
          fi

          for APK in "${APKS[@]}"; do
            if [[ "$APK" == *-unsigned.apk ]]; then
              echo "::error::Unsigned release APK produced: $APK"
              exit 1
            fi
            "$APKSIGNER" verify --verbose "$APK"
          done

      - name: Upload plugin APK
        uses: actions/upload-artifact@v4
        with:
          name: MobileGL-plugin-${{ env.date_today }}-${{ env.short_sha }}
          path: android-plugin/app/build/outputs/apk/*Plugin/release/*.apk
          if-no-files-found: error

      - name: Upload retrace APK
        uses: actions/upload-artifact@v4
        with:
          name: MobileGL-retrace-apk-${{ env.date_today }}-${{ env.short_sha }}
          path: android-plugin/app/build/outputs/apk/*Trace/release/*.apk
          if-no-files-found: error

  trace-cases:
    name: trace case matrix
    runs-on: ubuntu-latest
    needs: build
    outputs:
      android: ${{ steps.trace-cases.outputs.android }}
      names: ${{ steps.trace-cases.outputs.names }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Load trace cases
        id: trace-cases
        run: |
          echo "android=$(python3 tools/trace_replay/trace_cases.py --ci --format github-apk)" >> "$GITHUB_OUTPUT"
          echo "names=$(python3 tools/trace_replay/trace_cases.py --ci --format names)" >> "$GITHUB_OUTPUT"

  trace-fixtures:
    name: trace fixture (${{ matrix.case }})
    runs-on: ubuntu-latest
    needs: trace-cases
    strategy:
      fail-fast: false
      max-parallel: 4
      matrix:
        case: ${{ fromJSON(needs.trace-cases.outputs.names) }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Fetch trace fixture
        run: bash .github/scripts/fetch-trace-fixture-lfs.sh '${{ matrix.case }}'

      - name: Stage trace fixture
        run: |
          safe_case="$(printf '%s' '${{ matrix.case }}' | sed 's/[^A-Za-z0-9._-]/_/g')"
          stage_dir="trace-fixtures/${safe_case}"
          mkdir -p "${stage_dir}"
          python3 tools/trace_replay/trace_cases.py --format fixture-files --case '${{ matrix.case }}' |
            while IFS= read -r file; do
              cp "${file}" "${stage_dir}/"
            done

      - name: Upload trace fixture
        uses: actions/upload-artifact@v4
        with:
          name: MobileGL-trace-fixture-${{ matrix.case }}
          path: trace-fixtures/**
          if-no-files-found: error

  android-avd:
    name: android avd image
    runs-on: ubuntu-latest
    env:
      AVD_NAME: mobilegl-ci
      ANDROID_AVD_HOME: ${{ github.workspace }}/.android/avd
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Setup Android SDK
        uses: android-actions/setup-android@v3
        with:
          accept-android-sdk-licenses: false

      - name: Accept Android SDK licenses
        run: yes | sdkmanager --licenses >/dev/null

      - name: Restore Android AVD cache
        id: android-avd-cache
        uses: actions/cache@v4
        with:
          path: |
            ${{ env.ANDROID_AVD_HOME }}
            /usr/local/lib/android/sdk/emulator
            /usr/local/lib/android/sdk/platform-tools
            /usr/local/lib/android/sdk/platforms/android-35
            /usr/local/lib/android/sdk/system-images/android-35/google_apis/x86_64
          key: ${{ runner.os }}-mobilegl-avd-api35-google_apis-x86_64-pixel_6-v1-${{ hashFiles('android-plugin/run-avd-ci.sh') }}

      - name: Create AVD
        if: steps.android-avd-cache.outputs.cache-hit != 'true'
        run: |
          sh android-plugin/run-avd-ci.sh create \
            --api-level 35 \
            --target google_apis \
            --arch x86_64 \
            --profile pixel_6 \
            --avd-name "${AVD_NAME}"

  retrace:
    name: retrace (${{ matrix.backend.name }}, ${{ matrix.case.name }})
    runs-on: ubuntu-latest
    needs:
      - build
      - android-avd
      - trace-cases
      - trace-fixtures
    if: ${{ always() && needs.build.result == 'success' && needs.android-avd.result == 'success' && needs.trace-cases.result == 'success' }}
    timeout-minutes: 75
    env:
      AVD_NAME: mobilegl-ci
      ANDROID_AVD_HOME: ${{ github.workspace }}/.android/avd
    strategy:
      fail-fast: false
      max-parallel: 4
      matrix:
        backend:
          - name: DirectGLES
            id: espryt
            apk: MobileGL-EsprytTrace-release.apk
            package: top.mobilegl.plugin.espryt.trace
            gpu: software
          - name: DirectVulkan
            id: magma
            apk: MobileGL-MagmaTrace-release.apk
            package: top.mobilegl.plugin.magma.trace
            gpu: lavapipe
        case: ${{ fromJSON(needs.trace-cases.outputs.android) }}
    steps:
      - name: Set Swap Space
        uses: pierotofy/set-swap-space@master
        with:
          swap-size-gb: 16

      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Download trace fixture
        uses: actions/download-artifact@v4
        with:
          name: MobileGL-trace-fixture-${{ matrix.case.name }}
          path: trace-fixture-download

      - name: Install trace fixture
        run: |
          mkdir -p tools/trace_replay/fixtures
          find trace-fixture-download -type f -exec cp {} tools/trace_replay/fixtures/ \;

      - name: Set artifact metadata
        run: |
          echo "date_today=$(date +'%Y-%m-%d')" >> "$GITHUB_ENV"
          echo "short_sha=${GITHUB_SHA::7}" >> "$GITHUB_ENV"
          echo "EMULATOR_LOG=${RUNNER_TEMP}/mobilegl-emulator.log" >> "$GITHUB_ENV"
          echo "EMULATOR_PID_FILE=${RUNNER_TEMP}/mobilegl-emulator.pid" >> "$GITHUB_ENV"

      - name: Setup Android SDK
        uses: android-actions/setup-android@v3
        with:
          accept-android-sdk-licenses: false

      - name: Accept Android SDK licenses
        run: yes | sdkmanager --licenses >/dev/null

      - name: Restore Android AVD cache
        id: android-avd-cache
        uses: actions/cache/restore@v4
        with:
          path: |
            ${{ env.ANDROID_AVD_HOME }}
            /usr/local/lib/android/sdk/emulator
            /usr/local/lib/android/sdk/platform-tools
            /usr/local/lib/android/sdk/platforms/android-35
            /usr/local/lib/android/sdk/system-images/android-35/google_apis/x86_64
          key: ${{ runner.os }}-mobilegl-avd-api35-google_apis-x86_64-pixel_6-v1-${{ hashFiles('android-plugin/run-avd-ci.sh') }}

      - name: Download retrace APKs
        uses: actions/download-artifact@v4
        with:
          pattern: MobileGL-retrace-apk-*
          path: android-retrace-apks
          merge-multiple: true

      - name: Enable KVM
        run: |
          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
          sudo udevadm control --reload-rules
          sudo udevadm trigger --name-match=kvm

      - name: Create AVD
        if: steps.android-avd-cache.outputs.cache-hit != 'true'
        run: |
          sh android-plugin/run-avd-ci.sh create \
            --api-level 35 \
            --target google_apis \
            --arch x86_64 \
            --profile pixel_6 \
            --avd-name "${AVD_NAME}"

      - name: Launch Emulator
        run: |
          sh android-plugin/run-avd-ci.sh start \
            --avd-name "${AVD_NAME}" \
            --gpu "${{ matrix.backend.gpu }}" \
            --emulator-log "${EMULATOR_LOG}" \
            --pid-file "${EMULATOR_PID_FILE}" \
            --boot-timeout 300

      - name: Retrace and validate
        env:
          MOBILEGL_RETRACE_USE_ANGLE: ${{ matrix.backend.name == 'DirectGLES' && '1' || '0' }}
          MOBILEGL_VULKAN_R11G11B10F_FALLBACK: ${{ matrix.backend.name == 'DirectVulkan' && '1' || '0' }}
        run: |
          apk_file="$(find android-retrace-apks -name '${{ matrix.backend.apk }}' -print -quit)"
          extra_retrace_args=()
          # Bliss-specific workaround: this trace needs the newer ANGLE build
          # plus sampler mipmap min-filter downgrading on ANGLE llvmpipe.
          if [ "${{ matrix.backend.name }}" = "DirectGLES" ] && [ "${{ matrix.case.name }}" = "minecraft-1.21.4-fabric-iris-bliss-in-world" ]; then
            angle_override_dir="${RUNNER_TEMP}/mobilegl-angle-bliss-x86_64"
            angle_override_commit="bdcc96ac11c79001018ae4375eb73cb54a9f682f"
            angle_override_base="https://raw.githubusercontent.com/FCL-Team/FoldCraftLauncher/${angle_override_commit}/FCLauncher/src/main/jniLibs/x86_64"
            mkdir -p "${angle_override_dir}"
            curl -L --fail --retry 3 -o "${angle_override_dir}/libEGL_angle.so" "${angle_override_base}/libEGL_angle.so"
            curl -L --fail --retry 3 -o "${angle_override_dir}/libGLESv2_angle.so" "${angle_override_base}/libGLESv2_angle.so"
            echo "d0f4298ccc770cc801fc52e21733521646161e8a4adb3bd0052d9a1b57ee0ca8  ${angle_override_dir}/libEGL_angle.so" | sha256sum -c -
            echo "66fdc867e552192d553d59095ea2e3cef4829de65c356f1fd826027b1905972e  ${angle_override_dir}/libGLESv2_angle.so" | sha256sum -c -
            extra_retrace_args+=(--angle-library-dir "${angle_override_dir}")
            extra_retrace_args+=(--avoid-angle-llvmpipe-sampler-mipmap-min-filter)
          fi
          timeout "$(( ${{ matrix.case.timeout_seconds }} + 300 ))" sh android-plugin/trace-replay-ci.sh \
            --apk-file "${apk_file}" \
            --package "${{ matrix.backend.package }}" \
            --backend "${{ matrix.backend.name }}" \
            --result-root android-retrace-result \
            --fixture-root android-retrace-fixture \
            --case "${{ matrix.case.name }}" \
            --trace-archive "${{ matrix.case.trace_archive }}" \
            --trace-file "${{ matrix.case.trace_file }}" \
            --golden "${{ matrix.case.golden }}" \
            --alternate-golden "${{ matrix.case.alternate_golden || '' }}" \
            --target-call "${{ matrix.case.target_call }}" \
            --width "${{ matrix.case.width }}" \
            --height "${{ matrix.case.height }}" \
            --ssim-threshold "${{ matrix.case.ssim_threshold || '0.99' }}" \
            --crop-x "${{ matrix.case.crop_x }}" \
            --crop-y "${{ matrix.case.crop_y }}" \
            --crop-width "${{ matrix.case.crop_width }}" \
            --crop-height "${{ matrix.case.crop_height }}" \
            --timeout-seconds "${{ matrix.case.timeout_seconds }}" \
            "${extra_retrace_args[@]}"

      - name: Collect retrace summary inputs
        if: always()
        run: |
          safe_case="$(printf '%s' '${{ matrix.case.name }}' | sed 's/[^A-Za-z0-9._-]/_/g')"
          result_dir="android-retrace-result/${safe_case}-${{ matrix.backend.name }}"
          mkdir -p "${result_dir}"
          if [ -s "${{ matrix.case.golden }}" ]; then
            cp "${{ matrix.case.golden }}" "${result_dir}/${safe_case}-${{ matrix.backend.name }}-golden.png"
          fi
          if [ -n "${{ matrix.case.alternate_golden || '' }}" ] && [ -s "${{ matrix.case.alternate_golden || '' }}" ]; then
            cp "${{ matrix.case.alternate_golden || '' }}" "${result_dir}/${safe_case}-${{ matrix.backend.name }}-alternate-golden.png"
          fi

      - name: Collect emulator diagnostics
        if: always()
        run: |
          mkdir -p android-retrace-result/diagnostics
          adb devices -l > android-retrace-result/diagnostics/adb-devices.txt || true
          timeout 30 adb logcat -d -t 1000 > android-retrace-result/diagnostics/logcat.txt || true
          if [ -f "${EMULATOR_LOG}" ]; then
            cp "${EMULATOR_LOG}" android-retrace-result/diagnostics/emulator.log
          fi

      - name: Stop Emulator
        if: always()
        run: |
          sh android-plugin/run-avd-ci.sh stop \
            --avd-name "${AVD_NAME}" \
            --emulator-log "${EMULATOR_LOG}" \
            --pid-file "${EMULATOR_PID_FILE}"

      - name: Upload Android retrace result
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: MobileGL-android-retrace-result-${{ env.date_today }}-${{ env.short_sha }}-${{ matrix.backend.name }}-${{ matrix.case.name }}
          path: android-retrace-result/**
          if-no-files-found: warn

  retrace-summary:
    name: retrace summary
    runs-on: ubuntu-latest
    needs: retrace
    if: always()

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Set artifact metadata
        run: |
          echo "date_today=$(date +'%Y-%m-%d')" >> "$GITHUB_ENV"
          echo "short_sha=${GITHUB_SHA::7}" >> "$GITHUB_ENV"

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'

      - name: Download Android retrace results
        uses: actions/download-artifact@v4
        with:
          pattern: MobileGL-android-retrace-result-*
          path: retrace-artifacts

      - name: Render retrace summary
        run: |
          node tools/trace_replay/render_retrace_summary.mjs \
            --input retrace-artifacts \
            --output-dir android-retrace-summary \
            --title "MobileGL Android retrace overview" \
            --group-label "Android Emulator" \
            --html mobilegl-android-retrace-overview.html

      - name: Upload Android retrace summary
        uses: actions/upload-artifact@v7
        with:
          path: android-retrace-summary/mobilegl-android-retrace-overview.html
          archive: false
          if-no-files-found: error