name: Kernel Build Process
permissions:
  contents: write
  actions: write 

on:
  workflow_call:
    inputs:
      branch:
        required: true
        type: string
      build_type:
        required: false
        type: string
      susfs:
        required: true
        type: string
      bbg:
        required: true
        type: string
      unicodefix:
        required: true
        type: string
      zeromount:
        required: true
        type: string
      nomount:
        required: true
        type: string
      ksun:
        required: true
        type: string
      droidspace:
        required: true
        type: string
      ntsync:
        required: true
        type: string
      bbrv3:
        required: true
        type: string
      cache:
        required: true
        type: string
      ipv6_nat:
        required: true
        type: string
      optimization:
        required: true
        type: string
      ttl:
        required: true
        type: string

jobs:
  build-samsung-gki:
    name: "${{ inputs.branch }}"
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v5
       
      - name: Store branch as env variable
        run: BRANCH=${{ inputs.branch }} && echo "BRANCH=$BRANCH" >> $GITHUB_ENV

      - name: get kernel version before cloning
        uses: ./.github/actions/kernel-info
        
      - name: Free Disk Space
        if: true
        uses: endersonmenezes/free-disk-space@v3  # Use @main for latest, @v3 for stable
        with:
          remove_android: true
          remove_dotnet: true
          remove_haskell: true
          remove_tool_cache: true
          remove_swap: true
          remove_packages: "azure-cli google-cloud-cli microsoft-edge-stable google-chrome-stable firefox postgresql* temurin-* *llvm* mysql* dotnet-sdk-*"
          remove_packages_one_command: true
          remove_folders: "/usr/share/swift /usr/share/miniconda /usr/share/az* /usr/local/lib/node_modules /usr/local/share/chromium /usr/local/share/powershell /usr/local/julia /usr/local/aws-cli /usr/local/aws-sam-cli /usr/share/gradle"
          rm_cmd: "rmz"  # Use 'rmz' for faster deletion (default: 'rm')
          rmz_version: "3.1.1"  # Required when rm_cmd is 'rmz'
          testing: false

      - name: Setup more Swap (for LTO)
        uses: thejerrybao/setup-swap-space@v1   # or pierotofy/set-swap-space
        with:
          swap-size-gb: 25          # 10-24 GB is common for heavy LTO
        # swap-space-path: /mnt/swapfile   # optional

      - name: Parse branch for cache keys
        if: inputs.cache == 'true' && inputs.build_type == 'make'
        uses: ./.github/actions/parse-branch

#      - name: set up bazel cache dir
#        if: inputs.build_type == 'Bazel' && inputs.cache == 'true'
#        run: |
#          BCACHE_DIR="${{ github.workspace }}/.cache/bazel-disk-kernel"
#          mkdir -p "$BCACHE_DIR"
#          echo "BCACHE_DIR=$BCACHE_DIR" >> $GITHUB_ENV

 #     - name: set up bazel cache
 #       if: inputs.build_type == 'Bazel' && inputs.cache == 'true'
 #       uses: actions/cache@v6
 #       with:
 #        path: ${{ env.BCACHE_DIR }}
 #        key: bcache-${{ runner.os }}-${{ inputs.build_type }}-${{ env.FULL_BRANCH }}
 #        restore-keys: |
 #           bcache-${{ runner.os }}-${{ inputs.build_type }}-${{ env.FULL_BRANCH }}

      - name: Install ccache
        if: inputs.cache == 'true' && inputs.build_type == 'make'
        run: sudo apt-get update && sudo apt-get install -y ccache
        
      - name: Export ccache + determinism
        if: inputs.cache == 'true' && inputs.build_type == 'make'
        run: |
          CACHE_DIR="${{ github.workspace }}/.ccache"
          mkdir -p "$CACHE_DIR"
          CCACHE_LOG="${{ github.workspace }}/ccache.log"
          
          SETTINGS=(
          "CCACHE_DIR=$CACHE_DIR"
          "CCACHE_MAXSIZE=12G"
          "CCACHE_COMPILERCHECK=content"
          "CCACHE_BASEDIR=${GITHUB_WORKSPACE}"
          "CCACHE_NOHASHDIR=true"
          "CCACHE_IGNOREOPTIONS=-sysroot* -fdebug-prefix-map=* -fmacro-prefix-map=*"
          "CCACHE_COMPRESS=true"
          "CCACHE_COMPRESSLEVEL=8"
          "CCACHE_DIRECT=true"
          "CCACHE_FILE_CLONE=true"
          "CCACHE_INODE_CACHE=true"
          "CCACHE_IS_KERNEL_COMPILING=true"
          "CCACHE_UMASK=002"
          "KBUILD_BUILD_TIMESTAMP=2026-01-01"
          "CCACHE_SLOPPINESS=file_macro,time_macros,include_file_mtime,include_file_ctime,pch_defines,system_headers,locale,file_stat_matches"
          )

          for setting in "${SETTINGS[@]}"; do
           export "$setting"
           echo "$setting" >> $GITHUB_ENV
          done

          if ccache --help 2>&1 | grep -q 'depend_mode'; then
              export CCACHE_DEPEND=true
              echo "CCACHE_DEPEND=true" >> "$GITHUB_ENV"
          fi

      - name: restore ccache
        if: inputs.cache == 'true' && inputs.build_type == 'make'
        uses: actions/cache@v6
        with:
          path: ${{ env.CCACHE_DIR }}
          key: ccache-${{ runner.os }}-${{ inputs.build_type }}-${{ env.BASE_BRANCH }}
          restore-keys: |
            ccache-${{ runner.os }}-${{ inputs.build_type }}-${{ env.BASE_BRANCH }}
            ccache-${{ runner.os }}-${{ inputs.build_type }}-
            
      - name: Ensure ccache is used
        if: inputs.cache == 'true' && inputs.build_type == 'make'
        run: |
          echo "/usr/lib/ccache" >> $GITHUB_PATH
          echo "CC='ccache clang'" >> $GITHUB_ENV
          echo "CXX='ccache clang++'" >> $GITHUB_ENV
        
      - name: Set CONFIG Environment Variable
        run: |
          # Set CONFIG dynamically based on inputs values
          CONFIG="$BRANCH-$ANDROID_VERSION_$KERNEL_VERSION"

          # Set CONFIG as an environment variable for future steps
          echo "CONFIG=$CONFIG" >> $GITHUB_ENV

      - name: dependencies
        uses: ./.github/actions/dependencies
          
      - name: Download Kernel
        uses: ./.github/actions/clone-kernel
            
      - name: Set Path Environment Variables
        uses: ./.github/actions/env-variables
          
      - name: Extract all tar.xz files and delete them
        run: |
          cd "$CONFIG"

          find . -type f -name '*.tar.xz' -print0 | while IFS= read -r -d '' file; do
            echo "Extracting $file"
            tar -xf "$file"
            rm "$file"
          done

      - name: Add KernelSU-Next
        if: inputs.ksun == 'true'
        uses: ./.github/actions/ksun
        with:
          susfs: ${{ inputs.susfs }}
        
      - name: Add SUSFS
        if: inputs.susfs == 'true'
        uses: ./.github/actions/susfs-patches

      - name: Add Zeromount
        if: inputs.susfs == 'true' && inputs.zeromount == 'true'
        uses: ./.github/actions/zeromount

      - name: add nomount
        if: inputs.nomount == 'true'
        uses: ./.github/actions/nomount

      - name: Add BBG
        if: inputs.bbg == 'true'
        uses: ./.github/actions/bbg

      - name: Add unicodefix
        if: inputs.unicodefix == 'true'
        uses: ./.github/actions/unicode

      - name: Add droidspace support
        if: inputs.droidspace == 'true'
        uses: ./.github/actions/droidspaces

      - name: Add ntsync
        if: inputs.ntsync == 'true'
        uses: ./.github/actions/ntsync
        
      - name: Add bbrv3
        if: inputs.bbrv3 == 'true'
        uses: ./.github/actions/bbrv3

      - name: Add IP-SET and IPv6_NAT support
        if: inputs.ipv6_nat == 'true'
        uses: ./.github/actions/IPv6_NAT

      - name: Add TTL support
        if: inputs.ttl == 'true'
        uses: ./.github/actions/TTL

      - name: add optimization patches
        if: inputs.optimization == 'true'
        uses: ./.github/actions/optimization

      - name: Fix WiFi and Bluetooth on Samsung 6.6 GKI devices
        if: ${{ env.KERNEL_VER == '6.6' }}
        uses: ./.github/actions/6.6-fix

      - name: temp fix for m55 bootloop maybe
        if: inputs.branch == 'SM-M556B-Oneui8'
        uses: ./.github/actions/m55-fix

      - name: Set Kernel Configuration Variables
        if: inputs.ksun == 'true'
        uses: ./.github/actions/configs
         
      - name: Change Kernel Name and clean dirty
        uses: ./.github/actions/kernel-name

      - name: remove protected exports
        uses: ./.github/actions/abi-export
        
      - name: Set file name
        if: inputs.ksun == 'true'
        uses: ./.github/actions/file-name
        with:
         ksun: ${{ inputs.ksun }}
         susfs: ${{ inputs.susfs }}
         zeromount: ${{ inputs.zeromount }}
         nomount: ${{ inputs.nomount }}
         bbg: ${{ inputs.bbg }}
         bbrv3: ${{ inputs.bbrv3 }}
         droidspaces: ${{ inputs.droidspace }}
         ntsync: ${{ inputs.ntsync }}
         ipv6_nat: ${{ inputs.ipv6_nat }}
         ttl: ${{ inputs.ttl }}
         unicodefix: ${{ inputs.unicodefix }}
         

#      - name: ensure bazel cache is set to be used
#        if: inputs.build_type == 'Bazel' && inputs.cache == 'true'
#        uses: ./.github/actions/use-bazcache

      - name: change variables to ccache
        if: inputs.cache == 'true' && inputs.build_type == 'make'
        uses: ./.github/actions/use-ccache

      - name: enable FULL LTO
        uses: ./.github/actions/lto
        
      - name: Build
        uses: ./.github/actions/build
        with:
         build_type: ${{ inputs.build_type }}

      - name: clean up ccache
        if: inputs.cache == 'true' && inputs.build_type == 'make'
        run: ccache -c
        
      - name: ccache stats
        if: inputs.cache == 'true' && inputs.build_type == 'make'
        run: ccache -s -v || ccache -s

#      - name: bazel cache stats
#        if: inputs.cache == 'true' && inputs.build_type == 'Bazel'
#        run: bazel analyze-profile profile.json
          
      - name: Prepare AnyKernel3
        uses: ./.github/actions/ak3zip-prep

      - name: Upload AnyKernel3 Artifacts
        id: upload_ak3
        uses: actions/upload-artifact@v6
        with:
          name: ${{ env.FILE_NAME }}-AnyKernel3
          path: |
            ./AnyKernel3/**
          compression-level: 9
      
      - name: Scan and collect patch rejects
        if: ${{ always() }}
        run: |
          set -e
          CONFIG_DIR="$CONFIG"
          REJECTS_DIR="$GITHUB_WORKSPACE/patch-rejects"
          mkdir -p "$REJECTS_DIR"
          # Find all .rej files under the configuration directory
          mapfile -t REJS < <(find "$CONFIG_DIR" -type f -name '*.rej')
          REJ_COUNT=${#REJS[@]}
          echo "Found $REJ_COUNT .rej files under $CONFIG_DIR"
          echo "REJ_COUNT=$REJ_COUNT" >> $GITHUB_ENV
          if [ "$REJ_COUNT" -gt 0 ]; then
            for REJ in "${REJS[@]}"; do
              # Relative path from $CONFIG
              REL="${REJ#"$CONFIG_DIR"/}"
              DEST="$REJECTS_DIR/$REL"
              mkdir -p "$(dirname "$DEST")"
              cp "$REJ" "$DEST"
              # Copy the associated original file alongside the .rej
              ORIG="${REJ%.rej}"
              if [ -f "$ORIG" ]; then
                ORIG_DEST="$REJECTS_DIR/${REL%.rej}"
                mkdir -p "$(dirname "$ORIG_DEST")"
                cp "$ORIG" "$ORIG_DEST"
              fi
              echo "$REL" >> "$REJECTS_DIR/index.txt"
            done
          fi

      - name: Generate Build Summary
        if: ${{ always() }}
        run: |
          # Create build summary file for inclusion in Misc artifact
          echo "# Kernel Build Summary" > build_summary.md
          
          # Add build variant header
          echo "## ${{ env.FILE_NAME }}" >> build_summary.md
          
          # Add build info
          echo "## Build Information" >> build_summary.md
          echo "- **Android Version**: ${{ inputs.android_version }}" >> build_summary.md
          echo "- **Kernel Version**: ${{ inputs.kernel_version }}.${{ inputs.sub_level }}" >> build_summary.md
          echo "- **BBG**: Installed" >> build_summary.md
          echo "" >> build_summary.md

          # Get KernelSU-Next commit
          if [ -d "$CONFIG/KernelSU-Next" ]; then
            cd "$CONFIG/KernelSU-Next"
            KSUN_COMMIT=$(git rev-parse HEAD)
            KSUN_URL="https://github.com/WildKernels/KernelSU-Next/commit/$KSUN_COMMIT"
            echo "- **KernelSU-Next**: [$KSUN_COMMIT]($KSUN_URL)" >> "$GITHUB_WORKSPACE/build_summary.md"
            cd "$GITHUB_WORKSPACE"
          else
            echo "- **KernelSU-Next**: not present" >> build_summary.md
          fi
          
          # Get Baseband-guard commit
          if [ -d "$CONFIG/Baseband-guard" ]; then
            cd "$CONFIG/Baseband-guard"
            BBG_COMMIT=$(git rev-parse HEAD)
            BBG_URL="https://github.com/vc-teahouse/Baseband-guard/commit/$BBG_COMMIT"
            echo "- **Baseband-guard**: [$BBG_COMMIT]($BBG_URL)" >> "$GITHUB_WORKSPACE/build_summary.md"
            cd "$GITHUB_WORKSPACE"
          else
            echo "- **Baseband-guard**: not present" >> build_summary.md
          fi
          
          # Get SUSFS4KSU commit
          if [ -d "$GITHUB_WORKSPACE/susfs4ksu" ]; then
            cd "$GITHUB_WORKSPACE/susfs4ksu"
            SUSFS_COMMIT=$(git rev-parse HEAD)
            SUSFS_URL="https://gitlab.com/simonpunk/susfs4ksu/-/commit/$SUSFS_COMMIT"
            echo "- **SUSFS4KSU (v2.1.0)**: [$SUSFS_COMMIT]($SUSFS_URL)" >> "$GITHUB_WORKSPACE/build_summary.md"
            cd "$GITHUB_WORKSPACE"
          else
            echo "- **SUSFS4KSU (v2.1.0)**: not present" >> build_summary.md
          fi
          echo "" >> build_summary.md
          
          # Add artifact summary with presence verification
          echo "## Build Artifacts" >> build_summary.md

          # Verify AnyKernel3 contents - check if kernel Image was actually copied (indicates successful build)
          if [ -d "AnyKernel3" ] && [ -f "AnyKernel3/Image" ]; then
            AK3_STATUS="✅"
          else
            AK3_STATUS="❌"
          fi
          echo "- **AnyKernel3**: $AK3_STATUS ${{ env.FILE_NAME }}-AnyKernel3" >> build_summary.md

          echo "### Misc (uploaded files)" >> build_summary.md
          FILES_PRESENT=0
          for f in "${{ env.FILE_NAME }}-Image" "${{ env.FILE_NAME }}-Image.gz" "${{ env.FILE_NAME }}-Image.lz4" "${{ env.FILE_NAME }}-boot.img" "${{ env.FILE_NAME }}-boot-gz.img" "${{ env.FILE_NAME }}-boot-lz4.img"; do
            if [ -f "$f" ]; then FILES_PRESENT=$((FILES_PRESENT+1)); fi
          done
          if [ "$FILES_PRESENT" -gt 0 ]; then
            MISC_STATUS="✅"
          else
            MISC_STATUS="❌"
          fi
          echo "- **Set**: $MISC_STATUS ${{ env.FILE_NAME }}-Misc" >> build_summary.md
          if [ "$MISC_STATUS" = "✅" ]; then
            echo "  Included:" >> build_summary.md
            for f in "${{ env.FILE_NAME }}-Image" "${{ env.FILE_NAME }}-Image.gz" "${{ env.FILE_NAME }}-Image.lz4" "${{ env.FILE_NAME }}-boot.img" "${{ env.FILE_NAME }}-boot-gz.img" "${{ env.FILE_NAME }}-boot-lz4.img"; do
              if [ -f "$f" ]; then
                echo "  - $f" >> build_summary.md
              fi
            done
          fi

          echo "### Diagnostics" >> build_summary.md
          echo "- **Rejected Patches**: ${{ env.FILE_NAME }}-Rejected-Patches" >> build_summary.md
          if [ -f patch-rejects/index.txt ]; then
            if [ -s patch-rejects/index.txt ]; then
              echo "  Rejected files:" >> build_summary.md
              while IFS= read -r line; do
                echo "    - $line" >> build_summary.md
              done < patch-rejects/index.txt
            else
              echo "  Rejected file list is empty." >> build_summary.md
            fi
          else
            echo "  No rejected patches found." >> build_summary.md
          fi