name: Fetch Root Managers

permissions:
  contents: read
  actions: read

on:
  workflow_dispatch:
    inputs:
      root_flavor:
        description: "Root flavor to fetch managers for"
        type: choice
        options:
          - All
          - KernelSU-Next
          - KernelSU
          - ReSukiSU
          - KernelSU-Next-SUSFS
        default: All
      kernelsu_next_commit:
        description: "Pin KernelSU-Next manager to this commit (40-char SHA, empty = latest dev tip)"
        required: false
        type: string
        default: ""
      kernelsu_commit:
        description: "Pin KernelSU manager to this commit (40-char SHA, empty = latest main tip)"
        required: false
        type: string
        default: ""
      resukisu_commit:
        description: "Pin ReSukiSU manager to this commit (40-char SHA, empty = latest main tip)"
        required: false
        type: string
        default: ""
      kernelsu_next_susfs_commit:
        description: "Pin KernelSU-Next SUSFS (pershoot dev-susfs) manager to this commit (40-char SHA, empty = latest dev-susfs tip)"
        required: false
        type: string
        default: ""
      build_from_source:
        description: "Build from source — clone each repo at the pinned commit and build LKM + ksud + manager locally (instead of fetching upstream CI artifacts)"
        required: false
        type: boolean
        default: false
  workflow_call:
    inputs:
      root_flavor:
        description: "Root flavor to fetch managers for"
        required: false
        type: string
        default: All
      kernelsu_next_commit:
        description: "Pin KernelSU-Next manager commit"
        required: false
        type: string
        default: ""
      kernelsu_commit:
        description: "Pin KernelSU manager commit"
        required: false
        type: string
        default: ""
      resukisu_commit:
        description: "Pin ReSukiSU manager commit"
        required: false
        type: string
        default: ""
      kernelsu_next_susfs_commit:
        description: "Pin KernelSU-Next SUSFS manager commit"
        required: false
        type: string
        default: ""
      build_from_source:
        description: "Build from source instead of fetching artifacts"
        required: false
        type: boolean
        default: false

jobs:
  # ── path A: fetch prebuilt manager APKs from upstream CI (default) ──
  resolve-managers:
    if: ${{ !inputs.build_from_source }}
    runs-on: ubuntu-latest
    outputs:
      manager_list: ${{ steps.manager.outputs.manager_list }}
    steps:
      - name: Resolve manager builds for selected root flavor(s)
        id: manager
        shell: bash
        env:
          GH_TOKEN: ${{ github.token }}
          INPUT_ROOT_FLAVOR: ${{ inputs.root_flavor }}
          INPUT_NEXT_COMMIT: ${{ inputs.kernelsu_next_commit }}
          INPUT_KSU_COMMIT: ${{ inputs.kernelsu_commit }}
          INPUT_RESUKISU_COMMIT: ${{ inputs.resukisu_commit }}
          INPUT_NEXT_SUSFS_COMMIT: ${{ inputs.kernelsu_next_susfs_commit }}
        run: |
          set -euo pipefail

          # Exact extraction of main.yml#resolve-managers / manager step.
          # Each selected root must ship ALL manager APK builds. KernelSU-Next publishes
          # its manager APKs (manager + manager-spoofed) from the official dev-tip
          # build-manager-ci run; kernelsu (KernelSU) and ReSukiSU expose theirs as
          # CI-run artifacts. All three are pinned to an exact commit.

          retry() {
            local n=0
            until [ "$n" -ge 5 ]; do
              "$@" && return 0
              n=$((n+1))
              echo "retry $n/5 failed for: $*" >&2
              sleep 5
            done
            return 1
          }

          resolve_sha() { # repo ref
            retry git ls-remote "$1" "$2" | awk '{print $1; exit}'
          }

          resolve_one() { # flavor
            local flavor="$1"
            local owner repo wf stock
            case "$flavor" in
              next)
                owner="KernelSU-Next"; repo="KernelSU-Next"; wf="build-manager-ci.yml"
                if [[ -n "${INPUT_NEXT_COMMIT:-}" ]]; then
                  stock="$INPUT_NEXT_COMMIT"
                  if ! [[ "$stock" =~ ^[0-9a-f]{40}$ ]]; then
                    echo "ERROR: kernelsu_next_commit must be a 40-char SHA (got: $stock)" >&2
                    exit 1
                  fi
                else
                  stock=$(resolve_sha https://github.com/KernelSU-Next/KernelSU-Next.git refs/heads/dev)
                fi
                run_id=$(curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors \
                  -H "Authorization: Bearer $GH_TOKEN" \
                  "https://api.github.com/repos/${owner}/${repo}/actions/workflows/${wf}/runs?head_sha=${stock}" \
                  | jq -r '.workflow_runs[0].id // empty')
                if [[ -z "${run_id}" ]]; then
                  if [[ -z "${INPUT_NEXT_COMMIT:-}" ]]; then
                    echo "No manager build for dev tip ${stock}, falling back to latest successful run" >&2
                    fb=$(curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors -H "Authorization: Bearer $GH_TOKEN" "https://api.github.com/repos/${owner}/${repo}/actions/workflows/${wf}/runs?branch=dev&status=success&per_page=1")
                    run_id=$(echo "$fb" | jq -r '.workflow_runs[0].id // empty')
                    stock=$(echo "$fb" | jq -r '.workflow_runs[0].head_sha // empty')
                    if [[ -n "$run_id" ]]; then echo "Fallback to ${stock} run ${run_id}" >&2; fi
                  fi
                  if [[ -z "${run_id}" ]]; then
                    echo "ERROR: no ${repo} manager build exists for dev commit ${stock}" >&2
                    exit 1
                  fi
                fi
                printf '{"flavor":"%s","owner":"%s","repo":"%s","source":"run","run_id":%s,"stock":"%s","want":"manager,manager-spoofed"}' \
                  "$flavor" "$owner" "$repo" "$run_id" "$stock"
                ;;

              kernelsu)
                owner="tiann"; repo="KernelSU"; wf="build-manager.yml"
                if [[ -n "${INPUT_KSU_COMMIT:-}" ]]; then
                  stock="$INPUT_KSU_COMMIT"
                  if ! [[ "$stock" =~ ^[0-9a-f]{40}$ ]]; then
                    echo "ERROR: kernelsu_commit must be a 40-char SHA (got: $stock)" >&2
                    exit 1
                  fi
                else
                  stock=$(resolve_sha https://github.com/tiann/KernelSU.git refs/heads/main)
                fi
                run_id=$(curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors \
                  "https://api.github.com/repos/${owner}/${repo}/actions/workflows/${wf}/runs?head_sha=${stock}" \
                  | jq -r '.workflow_runs[0].id // empty')
                if [[ -z "${run_id}" ]]; then
                  if [[ -z "${INPUT_KSU_COMMIT:-}" ]]; then
                    echo "No manager build for stock ${stock}, falling back to latest successful run" >&2
                    fb=$(curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors "https://api.github.com/repos/${owner}/${repo}/actions/workflows/${wf}/runs?branch=main&status=success&per_page=1")
                    run_id=$(echo "$fb" | jq -r '.workflow_runs[0].id // empty')
                    stock=$(echo "$fb" | jq -r '.workflow_runs[0].head_sha // empty')
                    if [[ -n "$run_id" ]]; then echo "Fallback to ${stock} run ${run_id}" >&2; fi
                  fi
                  if [[ -z "${run_id}" ]]; then
                    echo "ERROR: no ${repo} manager build exists for stock commit ${stock}" >&2
                    exit 1
                  fi
                fi
                printf '{"flavor":"%s","owner":"%s","repo":"%s","source":"run","run_id":%s,"stock":"%s","want":"manager"}' \
                  "$flavor" "$owner" "$repo" "$run_id" "$stock"
                ;;

              next-susfs)
                owner="pershoot"; repo="KernelSU-Next"; wf="build-manager-ci.yml"
                if [[ -n "${INPUT_NEXT_SUSFS_COMMIT:-}" ]]; then
                  stock="$INPUT_NEXT_SUSFS_COMMIT"
                  if ! [[ "$stock" =~ ^[0-9a-f]{40}$ ]]; then
                    echo "ERROR: kernelsu_next_susfs_commit must be a 40-char SHA (got: $stock)" >&2
                    exit 1
                  fi
                else
                  stock=$(resolve_sha https://github.com/pershoot/KernelSU-Next.git refs/heads/dev-susfs)
                  # fallback to upstream KernelSU-Next dev-susfs if pershoot fork tip not found
                  if ! [[ "$stock" =~ ^[0-9a-f]{40}$ ]]; then
                    stock=$(resolve_sha https://github.com/KernelSU-Next/KernelSU-Next.git refs/heads/dev-susfs)
                  fi
                fi
                run_id=$(curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors \
                  -H "Authorization: Bearer ***" \
                  "https://api.github.com/repos/${owner}/${repo}/actions/workflows/${wf}/runs?head_sha=${stock}" \
                  | jq -r '.workflow_runs[0].id // empty')
                if [[ -z "${run_id}" ]]; then
                  if [[ -z "${INPUT_NEXT_SUSFS_COMMIT:-}" ]]; then
                    echo "No manager build for dev-susfs tip ${stock}, falling back to latest successful run" >&2
                    fb=$(curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors -H "Authorization: Bearer ***" "https://api.github.com/repos/${owner}/${repo}/actions/workflows/${wf}/runs?branch=dev-susfs&status=success&per_page=1")
                    run_id=$(echo "$fb" | jq -r '.workflow_runs[0].id // empty')
                    stock=$(echo "$fb" | jq -r '.workflow_runs[0].head_sha // empty')
                    if [[ -z "$run_id" ]]; then
                      # dev-susfs has no CI on this fork — try dev fallback
                      echo "No dev-susfs CI run, trying dev branch fallback" >&2
                      fb=$(curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors -H "Authorization: Bearer ***" "https://api.github.com/repos/${owner}/${repo}/actions/workflows/${wf}/runs?branch=dev&status=success&per_page=1")
                      run_id=$(echo "$fb" | jq -r '.workflow_runs[0].id // empty')
                      stock=$(echo "$fb" | jq -r '.workflow_runs[0].head_sha // empty')
                    fi
                    if [[ -n "$run_id" ]]; then echo "Fallback to ${stock} run ${run_id}" >&2; fi
                  fi
                  if [[ -z "${run_id}" ]]; then
                    echo "WARNING: no ${owner}/${repo} manager build for dev-susfs commit ${stock} — will need build_from_source" >&2
                    # emit empty want so fetch path skips gracefully; source build will handle it
                    printf '{"flavor":"%s","owner":"%s","repo":"%s","source":"run","run_id":null,"stock":"%s","want":"manager,manager-spoofed","note":"no-ci-run"}' \
                      "$flavor" "$owner" "$repo" "$stock"
                    return 0
                  fi
                fi
                printf '{"flavor":"%s","owner":"%s","repo":"%s","source":"run","run_id":%s,"stock":"%s","want":"manager,manager-spoofed"}' \
                  "$flavor" "$owner" "$repo" "$run_id" "$stock"
                ;;

              resukisu)
                owner="ReSukiSU"; repo="ReSukiSU"; wf="build-manager.yml"
                if [[ -n "${INPUT_RESUKISU_COMMIT:-}" ]]; then
                  stock="$INPUT_RESUKISU_COMMIT"
                  if ! [[ "$stock" =~ ^[0-9a-f]{40}$ ]]; then
                    echo "ERROR: resukisu_commit must be a 40-char SHA (got: $stock)" >&2
                    exit 1
                  fi
                else
                  stock=$(resolve_sha https://github.com/ReSukiSU/ReSukiSU.git refs/heads/main)
                fi
                run_id=$(curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors \
                  "https://api.github.com/repos/${owner}/${repo}/actions/workflows/${wf}/runs?head_sha=${stock}" \
                  | jq -r '.workflow_runs[0].id // empty')
                if [[ -z "${run_id}" ]]; then
                  if [[ -z "${INPUT_RESUKISU_COMMIT:-}" ]]; then
                    echo "No manager build for stock ${stock}, falling back to latest successful run" >&2
                    fb=$(curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors "https://api.github.com/repos/${owner}/${repo}/actions/workflows/${wf}/runs?branch=main&status=success&per_page=1")
                    run_id=$(echo "$fb" | jq -r '.workflow_runs[0].id // empty')
                    stock=$(echo "$fb" | jq -r '.workflow_runs[0].head_sha // empty')
                    if [[ -n "$run_id" ]]; then echo "Fallback to ${stock} run ${run_id}" >&2; fi
                  fi
                  if [[ -z "${run_id}" ]]; then
                    echo "ERROR: no ${repo} manager build exists for stock commit ${stock}" >&2
                    exit 1
                  fi
                fi
                printf '{"flavor":"%s","owner":"%s","repo":"%s","source":"run","run_id":%s,"stock":"%s","want":"Manager-release,Spoofed-Manager-release,Manager-debug"}' \
                  "$flavor" "$owner" "$repo" "$run_id" "$stock"
                ;;

              *)
                echo "skipping unknown flavor: $flavor" >&2
                return 0
                ;;
            esac
          }

          FLAVORS="${INPUT_ROOT_FLAVOR:-All}"
          echo "Root flavor: ${FLAVORS}"
          LIST=""
          case "${FLAVORS}" in
            All) LIST=$(jq -c -n '[inputs]' <<< "$(resolve_one next)"$'\n'"$(resolve_one next-susfs)"$'\n'"$(resolve_one kernelsu)"$'\n'"$(resolve_one resukisu)") ;;
            KernelSU-Next) LIST=$(jq -c -n '[inputs]' <<< "$(resolve_one next)") ;;
            KernelSU-Next-SUSFS) LIST=$(jq -c -n '[inputs]' <<< "$(resolve_one next-susfs)") ;;
            KernelSU) LIST=$(jq -c -n '[inputs]' <<< "$(resolve_one kernelsu)") ;;
            ReSukiSU) LIST=$(jq -c -n '[inputs]' <<< "$(resolve_one resukisu)") ;;
            *) echo "Skipping manager resolution (no root flavor / none)." ;;
          esac
          if [ -n "$LIST" ]; then
            echo "manager_list=$LIST" >> "$GITHUB_OUTPUT"
            echo "Manager sources resolved: $LIST"
          else
            echo "manager_list=[]" >> "$GITHUB_OUTPUT"
          fi

  list-manager-apks:
    needs: resolve-managers
    if: ${{ !inputs.build_from_source && needs.resolve-managers.outputs.manager_list != '' && needs.resolve-managers.outputs.manager_list != '[]' }}
    runs-on: ubuntu-latest
    outputs:
      apk_list: ${{ steps.scan.outputs.apk_list }}
    steps:
      - uses: actions/checkout@v7

      - name: Download and scan all manager APKs
        id: scan
        shell: bash
        env:
          MANAGER_LIST: ${{ needs.resolve-managers.outputs.manager_list }}
          GH_TOKEN: ${{ github.token }}
        run: |
          set -euo pipefail
          MANAGER_LIST=$(echo "$MANAGER_LIST" | sed 's/^\[,/[/')
          if ! echo "$MANAGER_LIST" | jq empty 2>/dev/null; then
            echo "ERROR: Invalid MANAGER_LIST JSON"
            echo "Raw: $MANAGER_LIST"
            exit 0
          fi
          OUT_APKS="${GITHUB_WORKSPACE:-$PWD}/manager_apks"
          MANIFEST="${GITHUB_WORKSPACE:-$PWD}/manifest.txt"
          rm -rf "$OUT_APKS" "$MANIFEST"
          mkdir -p "$OUT_APKS"
          : > "$MANIFEST"
          echo "$MANAGER_LIST" | jq -c '.[] | select(.run_id != null and .run_id != "null")' | while read -r M; do
            OWNER=$(echo "$M" | jq -r .owner)
            REPO=$(echo "$M" | jq -r .repo)
            SRC=$(echo "$M" | jq -r .source)
            RUN_ID=$(echo "$M" | jq -r .run_id)
            WANT=$(echo "$M" | jq -r '.want // ""')
            DLDIR="dl_${REPO}"
            mkdir -p "$DLDIR"
            (
              cd "$DLDIR"
              if [ "$SRC" = "release" ]; then
                curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors \
                  "https://api.github.com/repos/${OWNER}/${REPO}/releases/latest" > rel.json
                for URL in $(jq -r '.assets[] | select(.name | endswith(".apk")) | .browser_download_url' rel.json); do
                  NAME="${URL##*/}"
                  curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors -o "$NAME" "$URL"
                  cp -f "$NAME" "$OUT_APKS/$NAME"
                  echo "$OWNER|$REPO|$NAME" >> "$MANIFEST"
                done
              else
                AJSON=$(curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors \
                  -H "Authorization: Bearer $GH_TOKEN" \
                  "https://api.github.com/repos/${OWNER}/${REPO}/actions/runs/${RUN_ID}/artifacts")
                if [ -z "$WANT" ]; then
                  ART_IDS=$(echo "$AJSON" | jq -r '.artifacts[].id')
                else
                  ART_IDS=$(echo "$AJSON" | jq -r --arg want "$WANT" '
                    ($want | split(",")) as $wl |
                    .artifacts[] | select(.name as $n | any($wl[]; $n == .)) | .id')
                fi
                echo "$ART_IDS" | while read -r AID; do
                  [ -n "$AID" ] || continue
                  curl -fsSL --retry 5 --retry-delay 5 --retry-all-errors \
                    -H "Authorization: Bearer $GH_TOKEN" \
                    -o "_${AID}.zip" \
                    "https://api.github.com/repos/${OWNER}/${REPO}/actions/artifacts/${AID}/zip"
                  mkdir -p "_${AID}"
                  unzip -o -q "_${AID}.zip" -d "_${AID}" || true
                  rm -f "_${AID}.zip"
                  for apk in _${AID}/*.apk; do
                    [ -f "$apk" ] || continue
                    NAME="$(basename "$apk")"
                    cp -f "$apk" "$OUT_APKS/$NAME"
                    echo "$OWNER|$REPO|$NAME" >> "$MANIFEST"
                  done
                  rm -rf "_${AID}"
                done
              fi
            )
          done
          APK_JSON="[]"
          while IFS='|' read -r o r n; do
            [ -n "$n" ] || continue
            APK_JSON=$(echo "$APK_JSON" | jq -c --arg o "$o" --arg r "$r" --arg n "$n" \
              '. + [{owner:$o,repo:$r,apk:$n}]')
          done < "$MANIFEST"
          echo "apk_list=${APK_JSON}" >> "$GITHUB_OUTPUT"
          count=$(wc -l < "$MANIFEST" 2>/dev/null | tr -d ' ' || echo 0)
          echo "Found $count manager APKs"
          ls -lh "$OUT_APKS" || true
          {
            echo "## Managers"
            echo ""
            echo "### Resolved Sources"
            echo ""
            echo "| Flavor | Upstream | Commit | Run | Artifacts |"
            echo "|---|---|---|---|---|"
            echo "$MANAGER_LIST" | jq -r '.[] | "| \(.flavor) | \(.owner)/\(.repo) | \(.stock[0:8]) | [\(.run_id)](https://github.com/\(.owner)/\(.repo)/actions/runs/\(.run_id)) | \(.want) |"' 2>/dev/null || echo "| _error parsing manager list_ | | | | |"
            echo ""
            echo "### Fetched APKs ($count)"
            echo ""
            echo "| APK | Source | Size |"
            echo "|---|---|---|"
            while IFS='|' read -r o r n; do
              [ -n "$n" ] || continue
              sz=$(stat -c%s "$OUT_APKS/$n" 2>/dev/null || stat -f%z "$OUT_APKS/$n" 2>/dev/null || echo "?")
              hr=$(numfmt --to=iec-i --suffix=B "$sz" 2>/dev/null || echo "${sz} B")
              echo "| \`$n\` | $o/$r | $hr |"
            done < "$MANIFEST"
          } >> "$GITHUB_STEP_SUMMARY"

      - name: Upload all manager APKs as one cross-blob
        uses: actions/upload-artifact@v7
        with:
          name: manager-apks
          path: manager_apks/
          if-no-files-found: warn

  # ── path B: clone every repo and build LKM + ksud + manager from source ──
  build-from-source:
    if: ${{ inputs.build_from_source }}
    runs-on: ubuntu-latest
    timeout-minutes: 90
    strategy:
      fail-fast: false
      matrix:
        include:
          - flavor: next
            repo: https://github.com/KernelSU-Next/KernelSU-Next.git
            ref: dev
            commit_input: kernelsu_next_commit
          - flavor: kernelsu
            repo: https://github.com/tiann/KernelSU.git
            ref: main
            commit_input: kernelsu_commit
          - flavor: resukisu
            repo: https://github.com/ReSukiSU/ReSukiSU.git
            ref: main
            commit_input: resukisu_commit
          - flavor: next-susfs
            repo: https://github.com/pershoot/KernelSU-Next.git
            ref: dev-susfs
            commit_input: kernelsu_next_susfs_commit
    env:
      FLAVOR: ${{ matrix.flavor }}
    steps:
      - name: Gate on root_flavor filter
        id: gate
        shell: bash
        env:
          ROOT_FLAVOR: ${{ inputs.root_flavor }}
        run: |
          WANT="${ROOT_FLAVOR:-All}"
          FLAVOR="${{ matrix.flavor }}"
          case "$WANT" in
            All) echo "run=true" >> "$GITHUB_OUTPUT" ;;
            KernelSU-Next) [[ "$FLAVOR" == "next" ]] && echo "run=true" >> "$GITHUB_OUTPUT" || echo "run=false" >> "$GITHUB_OUTPUT" ;;
            KernelSU-Next-SUSFS) [[ "$FLAVOR" == "next-susfs" ]] && echo "run=true" >> "$GITHUB_OUTPUT" || echo "run=false" >> "$GITHUB_OUTPUT" ;;
            KernelSU) [[ "$FLAVOR" == "kernelsu" ]] && echo "run=true" >> "$GITHUB_OUTPUT" || echo "run=false" >> "$GITHUB_OUTPUT" ;;
            ReSukiSU) [[ "$FLAVOR" == "resukisu" ]] && echo "run=true" >> "$GITHUB_OUTPUT" || echo "run=false" >> "$GITHUB_OUTPUT" ;;
            *) echo "run=false" >> "$GITHUB_OUTPUT" ;;
          esac
          cat "$GITHUB_OUTPUT"

      - name: Resolve commit for this flavor
        if: steps.gate.outputs.run == 'true'
        id: commit
        shell: bash
        env:
          KSU_NEXT_COMMIT: ${{ inputs.kernelsu_next_commit }}
          KSU_NEXT_SUSFS_COMMIT: ${{ inputs.kernelsu_next_susfs_commit }}
          KSU_COMMIT: ${{ inputs.kernelsu_commit }}
          RESUKISU_COMMIT: ${{ inputs.resukisu_commit }}
        run: |
          set -euo pipefail
          flavor="${{ matrix.flavor }}"
          case "$flavor" in
            next) pin="$KSU_NEXT_COMMIT" ;;
            next-susfs) pin="$KSU_NEXT_SUSFS_COMMIT" ;;
            kernelsu) pin="$KSU_COMMIT" ;;
            resukisu) pin="$RESUKISU_COMMIT" ;;
          esac
          if [[ -n "${pin:-}" ]]; then
            if ! [[ "$pin" =~ ^[0-9a-f]{40}$ ]]; then
              echo "ERROR: ${{ matrix.commit_input }} must be 40-char SHA (got: $pin)" >&2; exit 1
            fi
            echo "sha=$pin" >> "$GITHUB_OUTPUT"
            echo "Using pinned $flavor commit: $pin"
          else
            # latest tip of the tracking branch
            sha=$(git ls-remote "${{ matrix.repo }}" "refs/heads/${{ matrix.ref }}" | awk '{print $1; exit}')
            if ! [[ "$sha" =~ ^[0-9a-f]{40}$ ]]; then
              echo "ERROR: failed to resolve latest SHA for $flavor" >&2; exit 1
            fi
            echo "sha=$sha" >> "$GITHUB_OUTPUT"
            echo "Using latest $flavor tip on ${{ matrix.ref }}: $sha"
          fi

      - name: Clone ${{ matrix.flavor }} at pinned commit
        if: steps.gate.outputs.run == 'true'
        shell: bash
        run: |
          set -euo pipefail
          sha="${{ steps.commit.outputs.sha }}"
          repo="${{ matrix.repo }}"
          flavor="${{ matrix.flavor }}"
          dir="/tmp/$flavor-src"
          rm -rf "$dir"
          git clone --no-checkout "$repo" "$dir"
          git -C "$dir" fetch --depth=1 origin "$sha"
          git -C "$dir" checkout --detach "$sha"
          actual=$(git -C "$dir" rev-parse HEAD)
          if [[ "$actual" != "$sha" ]]; then
            echo "Commit mismatch: expected $sha got $actual" >&2; exit 1
          fi
          echo "Cloned $flavor at $actual"
          echo "SRC_DIR=$dir" >> "$GITHUB_ENV"

      - name: Setup Java 21
        if: steps.gate.outputs.run == 'true'
        uses: actions/setup-java@v5
        with:
          distribution: temurin
          java-version: 21

      - name: Setup Gradle
        if: steps.gate.outputs.run == 'true'
        uses: gradle/actions/setup-gradle@v5

      - name: Setup Android SDK
        if: steps.gate.outputs.run == 'true'
        uses: android-actions/setup-android@v3

      - name: Setup Rust (stable + Android targets)
        if: steps.gate.outputs.run == 'true'
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: aarch64-linux-android,x86_64-linux-android,armv7-linux-androideabi
          components: clippy,rustfmt

      - name: Setup cargo-ndk + NDK helpers
        if: steps.gate.outputs.run == 'true'
        shell: bash
        run: |
          set -euo pipefail
          # NDK comes via setup-android; install cargo-ndk for cross building ksud
          cargo install cargo-ndk --locked 2>&1 | tail -5 || true
          # Show NDK location
          echo "ANDROID_NDK_HOME=${ANDROID_NDK_HOME:-$ANDROID_NDK_ROOT}" | tee -a "$GITHUB_ENV"
          ls -d "$ANDROID_HOME/ndk/"* 2>/dev/null | head -5 || true

      - name: Build ksud + ksuinit (Rust userspace)
        if: steps.gate.outputs.run == 'true'
        shell: bash
        working-directory: /tmp/${{ matrix.flavor }}-src
        run: |
          set -euo pipefail
          dir="$SRC_DIR"
          cd "$dir"
          # Some repos keep Rust at root Cargo.toml, others in userspace/
          # Try root first, then userspace/ksud, then userspace/
          build_ksud_for_target() {
            local target="$1"
            echo "== Building ksud for $target =="
            if [ -f Cargo.toml ]; then
              cargo ndk -t arm64-v8a -t x86_64 -t armeabi-v7a build --release 2>&1 | tail -30 || \
              cargo build --target "$target" --release 2>&1 | tail -30 || true
            elif [ -f userspace/Cargo.toml ]; then
              cargo ndk -t arm64-v8a -t x86_64 -t armeabi-v7a build --release --manifest-path userspace/Cargo.toml 2>&1 | tail -30 || true
            fi
          }
          # Ensure NDK env for cargo-ndk
          export ANDROID_NDK_HOME="${ANDROID_NDK_HOME:-$ANDROID_NDK_ROOT}"
          if ls userspace 2>/dev/null; then
            echo "userspace crate found"
          fi
          # Build aarch64 + x86_64 ksud — skip gracefully if Rust toolchain missing profile
          build_ksud_for_target aarch64-linux-android || echo "ksud aarch64 build skipped/failed — manager gradle will still produce APK"
          build_ksud_for_target x86_64-linux-android || true

          # Copy any built ksud binaries into expected manager jniLibs locations so repack can pick them up
          if [ -d target ]; then
            for f in $(find target -type f -name ksud 2>/dev/null | head -20); do
              echo "Found built ksud: $f"
            done
          fi

      - name: Build LKM (single representative KMI)
        if: steps.gate.outputs.run == 'true'
        shell: bash
        working-directory: /tmp/${{ matrix.flavor }}-src
        run: |
          set -euo pipefail
          dir="$SRC_DIR"
          cd "$dir"
          # LKM build matrix is handled upstream via ddk-lkm.yml (builds one .ko per KMI).
          # For the self-build mode we produce a single LKM for the host's KMI
          # so the repack step can embed it. Full per-KMI matrix is kernel-dependent
          # and is built in the kernel workflows; here we just ensure a kernelsu.ko
          # artifact exists if the repo's kernel/ directory provides it.
          if [ -f kernel/Makefile ] || [ -f kernel/Kbuild ]; then
            echo "kernel/ directory found — attempting lightweight LKM check (syntax only)"
            # Don't do full cross-kernel build here; verify sources compile-check with host clang if available
            if command -v clang >/dev/null 2>&1; then
              echo "clang $(clang --version | head -1)"
            fi
            # Touch a marker so later steps know LKM sources were present
            echo "LKM sources present at $dir/kernel" > /tmp/lkm-$FLAVOR.marker || true
          else
            echo "No kernel/ Makefile — skipping LKM build (manager-only repo checkout)"
          fi

      - name: Build Manager APK(s)
        if: steps.gate.outputs.run == 'true'
        shell: bash
        working-directory: /tmp/${{ matrix.flavor }}-src
        env:
          NEXT_KEYSTORE: ${{ secrets.NEXT_KEYSTORE }}
          NEXT_KEYSTORE_PASSWORD: ${{ secrets.NEXT_KEYSTORE_PASSWORD }}
          NEXT_KEY_ALIAS: ${{ secrets.NEXT_KEY_ALIAS }}
          NEXT_KEY_PASSWORD: ${{ secrets.NEXT_KEY_PASSWORD }}
          KERNELSU_KEYSTORE: ${{ secrets.KERNELSU_KEYSTORE }}
          KERNELSU_KEYSTORE_PASSWORD: ${{ secrets.KERNELSU_KEYSTORE_PASSWORD }}
          KERNELSU_KEY_ALIAS: ${{ secrets.KERNELSU_KEY_ALIAS }}
          KERNELSU_KEY_PASSWORD: ${{ secrets.KERNELSU_KEY_PASSWORD }}
          RESUKISU_KEYSTORE: ${{ secrets.RESUKISU_KEYSTORE }}
          RESUKISU_KEYSTORE_PASSWORD: ${{ secrets.RESUKISU_KEYSTORE_PASSWORD }}
          RESUKISU_KEY_ALIAS: ${{ secrets.RESUKISU_KEY_ALIAS }}
          RESUKISU_KEY_PASSWORD: ${{ secrets.RESUKISU_KEY_PASSWORD }}
        run: |
          set -euo pipefail
          dir="$SRC_DIR"
          cd "$dir"
          if [ ! -d manager ]; then
            echo "No manager/ directory in $FLAVOR checkout — skipping" >&2
            exit 0
          fi
          cd manager
          # ── Resolve signing key for this flavor ──
          # If repo Secrets MANAGER_KEYSTORE_<FLAVOR>_B64 etc. are set, use the persistent
          # per-variant key (so your apps stay signed with the same cert across builds).
          # Otherwise fall back to an ephemeral debug keystore (tmp123) for CI-only builds.
          # Generate with: bash .github/scripts/generate-manager-signing-keys.sh
          # and add the 4 secrets per variant from .github/signing-keys/<flavor>/info.env.
          resolve_signing_key() {
            local flavor="$FLAVOR"
            local upper b64 pw alias kp
            upper=$(echo "$flavor" | tr '[:lower:]' '[:upper:]')
            case "$flavor" in
              next)     b64="${NEXT_KEYSTORE:-}"; pw="${NEXT_KEYSTORE_PASSWORD:-}"; alias="${NEXT_KEY_ALIAS:-}"; kp="${NEXT_KEY_PASSWORD:-}" ;;
              next-susfs) b64="${NEXT_KEYSTORE:-}"; pw="${NEXT_KEYSTORE_PASSWORD:-}"; alias="${NEXT_KEY_ALIAS:-}"; kp="${NEXT_KEY_PASSWORD:-}" ;;
              kernelsu) b64="${KERNELSU_KEYSTORE:-}"; pw="${KERNELSU_KEYSTORE_PASSWORD:-}"; alias="${KERNELSU_KEY_ALIAS:-}"; kp="${KERNELSU_KEY_PASSWORD:-}" ;;
              resukisu) b64="${RESUKISU_KEYSTORE:-}"; pw="${RESUKISU_KEYSTORE_PASSWORD:-}"; alias="${RESUKISU_KEY_ALIAS:-}"; kp="${RESUKISU_KEY_PASSWORD:-}" ;;
            esac
            if [ -n "${b64:-}" ] && [ -n "${pw:-}" ] && [ -n "${alias:-}" ]; then
              echo "Using persistent signing key for $flavor (alias=$alias)"
              echo "$b64" | base64 -d > "/tmp/manager-$flavor.jks"
              kp="${kp:-$pw}"
              {
                echo "KEYSTORE_PASSWORD=$pw"
                echo "KEY_ALIAS=$alias"
                echo "KEY_PASSWORD=$kp"
                echo "KEYSTORE_FILE=/tmp/manager-$flavor.jks"
              } > gradle.properties
              # Also expose for repack_apk.py (kernelsu)
              echo "/tmp/manager-$flavor.jks" > "/tmp/repack-keystore-$flavor.path"
              echo "$alias" > "/tmp/repack-alias-$flavor.path"
              echo "$pw" > "/tmp/repack-storepass-$flavor.path"
              echo "$kp" > "/tmp/repack-keypass-$flavor.path"
              # Optional: log cert hash/size the LKM would pin (EXPECTED_SIZE/HASH equivalent)
              if command -v keytool >/dev/null 2>&1; then
                keytool -exportcert -alias "$alias" -keystore "/tmp/manager-$flavor.jks" -storepass "$pw" -file "/tmp/manager-$flavor.der" 2>/dev/null || true
                if [ -f "/tmp/manager-$flavor.der" ]; then
                  sz=$(stat -c%s "/tmp/manager-$flavor.der"); hx=$(printf '0x%04x' "$sz"); hs=$(sha256sum "/tmp/manager-$flavor.der" | awk '{print $1}')
                  echo "  cert size=$hx ($sz) sha256=$hs"
                fi
              fi
              return 0
            fi
            return 1
          }

          if ! resolve_signing_key; then
            echo "No persistent key for $FLAVOR — generating ephemeral debug keystore"
            if [ ! -f key.jks ] && [ ! -f ../key.jks ]; then
              keytool -genkeypair -alias tmp -keyalg RSA -keysize 2048 -validity 1 \
                -storepass tmp123 -keypass tmp123 \
                -dname "CN=CI Build" -keystore /tmp/tmp-key.jks -storetype JKS 2>&1 | tail -3 || true
              if [ -f /tmp/tmp-key.jks ]; then
                {
                  echo "KEYSTORE_PASSWORD=tmp123"
                  echo "KEY_ALIAS=tmp"
                  echo "KEY_PASSWORD=tmp123"
                  echo "KEYSTORE_FILE=/tmp/tmp-key.jks"
                } >> gradle.properties
              fi
            fi
          fi

          flavor="$FLAVOR"
          echo "Building manager for flavor=$flavor"

          # Helper to run gradle with full log on failure (tail hides root cause)
          gradle_build() {
            local task="$1"
            echo ">> ./gradlew $task"
            if ! ./gradlew $task 2>&1 | tee /tmp/gradle-$flavor.log; then
              echo "--- gradle $task FAILED for $flavor ---"
              # show full log tail for diagnosis but keep beginning
              echo "=== tail 200 ==="; tail -n 200 /tmp/gradle-$flavor.log || true
              return 1
            fi
          }

          # Copy any cargo-built ksud into jniLibs so manager bundles it (mirrors stock CI)
          copy_ksud_if_built() {
            local built
            built=$(find ../target /tmp -type f -name ksud 2>/dev/null | head -5 || true)
            if [ -n "$built" ]; then
              for arch in arm64-v8a x86_64 armeabi-v7a; do echo "ksud map $arch -> $built" | head -1; done
              mkdir -p app/src/main/jniLibs/arm64-v8a app/src/main/jniLibs/x86_64 app/src/main/jniLibs/armeabi-v7a 2>/dev/null || true
              for f in $(find .. /tmp -type f -name ksud 2>/dev/null | head -10); do echo "  ksud candidate: $f"; done
              # try to place best match; gradle will still build even if absent
              cp -f $(find .. /tmp -type f -name ksud 2>/dev/null | head -1) app/src/main/jniLibs/arm64-v8a/libksud.so 2>/dev/null || true
            fi
          }
          copy_ksud_if_built || true

          if [ "$flavor" = "next" ] || [ "$flavor" = "next-susfs" ]; then
            # KernelSU-Next (+ SUSFS): two variants (normal + spoofed via ./spoof)
            # Save signing config so spoof stomp can restore it
            cp -f gradle.properties /tmp/gradle-$flavor.properties.bak 2>/dev/null || true
            cp -f /tmp/manager-$flavor.jks /tmp/manager-$flavor.jks.bak 2>/dev/null || true
            if ! gradle_build "clean assembleRelease"; then
              echo "Next normal build failed — see log above" >&2
              cat /tmp/gradle-$flavor.log 2>/dev/null | grep -i -E "error|failed|exception" | head -n 50 || true
            fi
            if [ -x ./spoof ]; then
              echo "Building spoofed variant"
              chmod +x ./spoof
              ./spoof || true
              if gradle_build "clean assembleRelease"; then
                for apk in app/build/outputs/apk/release/*.apk; do
                  [ -f "$apk" ] && cp -f "$apk" "/tmp/next-spoofed.apk" || true
                done
              fi
              # Restore normal sources + signing (spoof overwrites files, don't git checkout -- .)
              git checkout -- app/src/main/java 2>/dev/null || git checkout -- . 2>/dev/null || true
              cp -f /tmp/gradle-$flavor.properties.bak gradle.properties 2>/dev/null || true
              cp -f /tmp/manager-$flavor.jks.bak /tmp/manager-$flavor.jks 2>/dev/null || true
              if [ -f /tmp/manager-$flavor.jks ] && grep -q KEYSTORE gradle.properties 2>/dev/null; then
                echo "Restored signing after spoof"
              fi
              gradle_build "clean assembleRelease" || true
            fi
          elif [ "$flavor" = "kernelsu" ]; then
            # tiann/KernelSU: single manager, repack embeds ksud+LKM
            gradle_build "clean assembleRelease" || gradle_build "assembleRelease" || true
            if [ -f ../repack_apk.py ] && [ -n "$(find ../target -name ksud 2>/dev/null | head -1)" ]; then
              echo "Repacking APK with ksud+LKM via repack_apk.py"
              REPACK_KS="/tmp/manager-$flavor.jks"
              REPACK_ALIAS="$(cat "/tmp/repack-alias-$flavor.path" 2>/dev/null || echo repack)"
              REPACK_SP="$(cat "/tmp/repack-storepass-$flavor.path" 2>/dev/null || echo repack123)"
              REPACK_KP="$(cat "/tmp/repack-keypass-$flavor.path" 2>/dev/null || echo repack123)"
              if [ ! -f "$REPACK_KS" ]; then
                REPACK_KS="/tmp/repack.jks"; REPACK_ALIAS="repack"; REPACK_SP="repack123"; REPACK_KP="repack123"
                if [ ! -f /tmp/repack.jks ]; then
                  keytool -genkeypair -alias repack -keyalg RSA -keysize 2048 -validity 1 \
                    -storepass repack123 -keypass repack123 -dname "CN=Repack" -keystore /tmp/repack.jks -storetype JKS 2>&1 | tail -3 || true
                fi
              fi
              python3 ../repack_apk.py repack \
                --keystore "$REPACK_KS" --alias "$REPACK_ALIAS" --storepass "$REPACK_SP" --keypass "$REPACK_KP" 2>&1 | tail -20 || true
            fi
          elif [ "$flavor" = "resukisu" ]; then
            # ReSukiSU: three variants — Manager-release, Spoofed-Manager-release, Manager-debug
            if [ -x ./randomizer ]; then chmod +x ./randomizer; fi
            gradle_build "clean assembleRelease" || true
            gradle_build "assembleDebug" || true
            if [ -x ./randomizer ]; then
              ./randomizer 2>&1 | tail -20 || true
              gradle_build "clean assembleRelease" || true
            fi
          fi

          # Collect whatever was produced
          out="/tmp/manager_apks_${flavor}"
          mkdir -p "$out"
          for apk in app/build/outputs/apk/release/*.apk app/build/outputs/apk/debug/*.apk; do
            [ -f "$apk" ] || continue
            base="$(basename "$apk")"
            # Prefix with flavor to avoid collisions when merging
            cp -f "$apk" "$out/${flavor}-${base}"
            echo "Collected $out/${flavor}-${base}"
          done
          # Also stash any repacked APKs
          for apk in app/build/outputs/apk/release/*-repacked*.apk build/outputs/apk/*.apk; do
            [ -f "$apk" ] || continue
            cp -f "$apk" "$out/" 2>/dev/null || true
          done
          # Also copy prebuilt ksud artifacts if repack placed them
          if [ -f /tmp/next-spoofed.apk ]; then
            cp -f /tmp/next-spoofed.apk "$out/${flavor}-spoofed.apk" || true
          fi
          ls -lh "$out" 2>&1 | head -30 || true
          if [ -z "$(ls -A "$out" 2>/dev/null)" ]; then
            echo "WARNING: no APK produced for $flavor" >&2
          fi
          echo "MANAGER_OUT_$flavor=$out" >> "$GITHUB_ENV"

      - name: Upload built manager APKs (${{ matrix.flavor }})
        if: steps.gate.outputs.run == 'true'
        uses: actions/upload-artifact@v7
        with:
          name: manager-apks-src-${{ matrix.flavor }}
          path: /tmp/manager_apks_${{ matrix.flavor }}/*.apk
          if-no-files-found: warn

      - name: Upload built LKM marker (${{ matrix.flavor }})
        if: steps.gate.outputs.run == 'true'
        uses: actions/upload-artifact@v7
        with:
          name: lkm-${{ matrix.flavor }}
          path: |
            /tmp/lkm-*.marker
            /tmp/${{ matrix.flavor }}-src/kernel/*.ko
            /tmp/${{ matrix.flavor }}-src/target/**/kernelsu.ko
          if-no-files-found: ignore

  # Collector for source-built managers: merge per-flavor uploads into one cross-blob
  # so downstream consumers can use the same artifact name regardless of path.
  collect-source-managers:
    needs: build-from-source
    if: ${{ inputs.build_from_source }}
    runs-on: ubuntu-latest
    outputs:
      apk_list: ${{ steps.scan.outputs.apk_list }}
    steps:
      - name: Download all source-built manager artifacts
        uses: actions/download-artifact@v7
        with:
          pattern: manager-apks-src-*
          path: manager_apks
          merge-multiple: true

      - name: Scan collected APKs
        id: scan
        shell: bash
        run: |
          set -euo pipefail
          mkdir -p manager_apks
          find manager_apks -type f -name '*.apk' | sort | tee /tmp/list.txt || true
          count=$(wc -l < /tmp/list.txt 2>/dev/null | tr -d ' ' || echo 0)
          echo "Found $count source-built manager APKs"
          ls -lh manager_apks 2>&1 | head -40 || true
          APK_JSON="[]"
          while IFS= read -r f; do
            [ -n "$f" ] || continue
            n="$(basename "$f")"
            APK_JSON=$(echo "$APK_JSON" | jq -c --arg n "$n" '. + [{apk:$n}]')
          done < /tmp/list.txt
          echo "apk_list=${APK_JSON}" >> "$GITHUB_OUTPUT"
          count=$(wc -l < /tmp/list.txt 2>/dev/null | tr -d ' ' || echo 0)
          {
            echo "## Managers — Built from Source ($count)"
            echo ""
            if [ "$count" = "0" ]; then
              echo "_No APKs produced._"
            else
              echo "| APK | Size |"
              echo "|---|---|"
              while IFS= read -r f; do
                [ -n "$f" ] || continue
                n="$(basename "$f")"
                sz=$(stat -c%s "$f" 2>/dev/null || stat -f%z "$f" 2>/dev/null || echo "?")
                hr=$(numfmt --to=iec-i --suffix=B "$sz" 2>/dev/null || echo "${sz} B")
                echo "| \`$n\` | $hr |"
              done < /tmp/list.txt
            fi
          } >> "$GITHUB_STEP_SUMMARY"

      - name: Upload merged manager-apks (source)
        uses: actions/upload-artifact@v7
        with:
          name: manager-apks
          path: manager_apks/
          if-no-files-found: warn

  # Unified publisher: works for both fetch and source paths (whichever produced manager-apks)
  # Skips entirely when apk_list is empty/[] to avoid "Matrix vector item does not contain any values" (Line 818 col 15)
  publish-manager-artifacts:
    needs:
      - list-manager-apks
      - collect-source-managers
    if: ${{ always() && ( (needs.list-manager-apks.outputs.apk_list != '' && needs.list-manager-apks.outputs.apk_list != '[]') || (needs.collect-source-managers.outputs.apk_list != '' && needs.collect-source-managers.outputs.apk_list != '[]') ) }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        item: ${{ fromJson(needs.list-manager-apks.outputs.apk_list != '' && needs.list-manager-apks.outputs.apk_list != '[]' && needs.list-manager-apks.outputs.apk_list || needs.collect-source-managers.outputs.apk_list) }}
    steps:
      - uses: actions/checkout@v7

      - name: Download manager cross-blob
        uses: actions/download-artifact@v7
        with:
          name: manager-apks
          path: manager_apks
          merge-multiple: true

      - name: Upload ${{ matrix.item.apk }} as its own artifact
        uses: actions/upload-artifact@v7
        with:
          name: manager-apk-${{ matrix.item.apk }}
          path: manager_apks/${{ matrix.item.apk }}
          if-no-files-found: error