name: Release runtime artifacts

on:
  push:
    tags:
      - v2.0.0
      - v2.0.0-rc.*
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: runtime-release-${{ github.ref }}
  cancel-in-progress: false

jobs:
  build:
    name: Build ${{ matrix.target }}
    permissions:
      contents: read
      id-token: write
      attestations: write
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: macos-15
            target: darwin-arm64
            capabilities: browser,browser-visible,design,pdf,diagram,ios
          - os: macos-15-intel
            target: darwin-x64
            capabilities: browser,browser-visible,design,pdf,diagram,ios
          - os: ubuntu-24.04-arm
            target: linux-arm64
            capabilities: browser,browser-visible,design,pdf,diagram
          - os: ubuntu-24.04
            target: linux-x64
            capabilities: browser,browser-visible,design,pdf,diagram
          - os: windows-11-arm
            target: windows-arm64
            capabilities: browser,browser-visible,design,pdf,diagram
          - os: windows-2025
            target: windows-x64
            capabilities: browser,browser-visible,design,pdf,diagram
    runs-on: ${{ matrix.os }}
    timeout-minutes: 35
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
        with:
          bun-version: 1.3.14
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
        with:
          node-version: 22.23.1
      - name: Install frozen dependencies
        run: bun install --frozen-lockfile --ignore-scripts
        shell: bash

      - name: Build and stage the complete managed runtime
        env:
          GSTACK_HOME: ${{ runner.temp }}/gstack-release-home
          TARGET: ${{ matrix.target }}
          CAPABILITIES: ${{ matrix.capabilities }}
        run: |
          set -euo pipefail
          node runtime/install.js \
            --source "$GITHUB_WORKSPACE" \
            --home "$GSTACK_HOME" \
            --version 2.0.0 \
            --install-now \
            --yes \
            --capabilities "$CAPABILITIES"
          active_slot=$(node -e 'const fs=require("fs"),p=process.argv[1];const v=JSON.parse(fs.readFileSync(p,"utf8")).current;if(typeof v!=="string"||!/^[A-Za-z0-9][A-Za-z0-9._-]{0,127}$/.test(v))process.exit(1);process.stdout.write(v)' "$GSTACK_HOME/versions/current.json")
          active="$GSTACK_HOME/versions/$active_slot"
          test -f "$active/.gstack-bundle.json"
          case "$TARGET" in
            windows-*) managed_bun_rel=".gstack-runtime-tools/bun.exe" ;;
            *) managed_bun_rel=".gstack-runtime-tools/bun" ;;
          esac
          managed_bun="$active/$managed_bun_rel"
          test -f "$managed_bun"
          test "$("$managed_bun" --version)" = "1.3.14"
          test -f "$active/runtime/licenses/BUN-LICENSE-1.3.14.md"
          test -f "$active/runtime/licenses/BUN-SOURCE.md"
          node -e 'const fs=require("fs"),c=require("crypto"),root=process.argv[1],rel=process.argv[2];const m=JSON.parse(fs.readFileSync(root+"/.gstack-bundle.json","utf8"));if(m.tools?.bun?.path!==rel||m.tools?.bun?.version!=="1.3.14")process.exit(1);const license=fs.readFileSync(root+"/runtime/licenses/BUN-LICENSE-1.3.14.md");if(c.createHash("sha256").update(license).digest("hex")!=="2cb858b2db8fc793bca2093489c5bc8eee615d002cc4924254904044c27a0afa")process.exit(1)' "$active" "$managed_bun_rel"
          test -d "$active/.gstack-runtime-browsers"
          (
            cd "$active"
            PLAYWRIGHT_BROWSERS_PATH="$active/.gstack-runtime-browsers" \
              node --input-type=module --eval \
              'const { chromium } = await import("./node_modules/playwright/index.mjs"); for (const options of [{ headless: true }, { headless: true, channel: "chromium" }]) { const browser = await chromium.launch(options); await browser.close(); }'
          )
          node_command=$(node -p 'process.execPath')
          host_bun=$(command -v bun)
          host_bun_dir=$(cd "$(dirname "$host_bun")" && pwd -P)
          clean_path=""
          IFS=: read -r -a path_parts <<< "$PATH"
          for part in "${path_parts[@]}"; do
            physical=$(cd "$part" 2>/dev/null && pwd -P || printf '%s' "$part")
            if [ "$physical" != "$host_bun_dir" ]; then
              clean_path="${clean_path:+$clean_path:}$part"
            fi
          done
          if (PATH="$clean_path"; command -v bun >/dev/null 2>&1); then
            echo "Host-global Bun remained available after removing setup-bun from PATH" >&2
            exit 1
          fi
          test "$(PATH="$clean_path" GSTACK_NODE="$node_command" "$GSTACK_HOME/bin/bun" --version)" = "1.3.14"
          browser_cleanup() {
            PATH="$clean_path" GSTACK_NODE="$node_command" BROWSE_PARENT_PID=0 \
              "$GSTACK_HOME/bin/browse" stop >/dev/null 2>&1 || true
          }
          trap browser_cleanup EXIT
          smoke_url=$(node -e 'const fs=require("fs"),p=require("path").join(process.env.GITHUB_WORKSPACE,".gstack-runtime-smoke.html");fs.writeFileSync(p,"<!doctype html><title>GStack runtime smoke</title>\n");process.stdout.write(require("url").pathToFileURL(p).href)')
          PATH="$clean_path" GSTACK_NODE="$node_command" BROWSE_PARENT_PID=0 \
            "$GSTACK_HOME/bin/browse" goto "$smoke_url"
          PATH="$clean_path" GSTACK_NODE="$node_command" BROWSE_PARENT_PID=0 \
            "$GSTACK_HOME/bin/browse" status
          browser_cleanup
          trap - EXIT
          stage="$RUNNER_TEMP/runtime-components"
          mkdir -p "$stage" "$GITHUB_WORKSPACE/release-output"
          node .github/scripts/stage-runtime-components.mjs "$active" "$stage"
          for component_dir in "$stage"/*; do
            test -d "$component_dir" || continue
            component=$(basename "$component_dir")
            archive="$GITHUB_WORKSPACE/release-output/gstack-runtime-2.0.0-$TARGET-$component.tar.gz"
            tar -czf "$archive" -C "$component_dir" gstack
            node -e 'const fs=require("fs"),c=require("crypto"),p=process.argv[1];const b=fs.readFileSync(p);fs.writeFileSync(p+".sha256",c.createHash("sha256").update(b).digest("hex")+"  "+require("path").basename(p)+"\n")' "$archive"
          done
        shell: bash

      - name: Attest component archive provenance
        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2
        with:
          subject-path: release-output/*.tar.gz

      - name: Upload signed archive
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
        with:
          name: runtime-${{ matrix.target }}
          path: release-output/*
          if-no-files-found: error
          retention-days: 14

  manifest:
    name: Assemble manifest and GitHub Release
    needs: build
    runs-on: ubuntu-24.04
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: write
      id-token: write
      attestations: write
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
        with:
          pattern: runtime-*
          path: release-output
          merge-multiple: true
      - uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0

      - name: Keyless-sign component archives
        run: |
          set -euo pipefail
          for archive in release-output/*.tar.gz; do
            cosign sign-blob --yes --bundle "$archive.sigstore.json" "$archive"
          done
        shell: bash

      - name: Create strict six-target manifest
        run: node .github/scripts/create-runtime-release-manifest.mjs release-output "$GITHUB_REPOSITORY" 2.0.0 "$GITHUB_REF_NAME"

      - name: Checksum and keyless-sign manifest
        run: |
          set -euo pipefail
          cd release-output
          sha256sum gstack-runtime-manifest.json > gstack-runtime-manifest.json.sha256
          cosign sign-blob --yes --bundle gstack-runtime-manifest.json.sigstore.json gstack-runtime-manifest.json
        shell: bash

      - name: Attest manifest provenance
        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2
        with:
          subject-path: release-output/gstack-runtime-manifest.json

      - name: Publish immutable release assets
        env:
          GH_TOKEN: ${{ github.token }}
          PRERELEASE_FLAG: ${{ contains(github.ref_name, '-rc.') && '--prerelease' || '' }}
        run: |
          set -euo pipefail
          gh release create "$GITHUB_REF_NAME" \
            --verify-tag \
            $PRERELEASE_FLAG \
            --title "GStack runtime $GITHUB_REF_NAME" \
            --notes "Signed optional runtime artifacts for the six portable GStack skills." \
            release-output/*
        shell: bash