name: Release Pipeline

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      version:
        description: 'Version to release (e.g., 0.1.3)'
        required: true
        type: string
      skip_tests:
        description: 'Skip test validation'
        required: false
        type: boolean
        default: false
      dry_run:
        description: 'Dry run (no publishing)'
        required: false
        type: boolean
        default: false

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  # Job 1: Validate code quality and run tests
  validate:
    name: Validate Code Quality
    runs-on: ubuntu-22.04
    if: ${{ !inputs.skip_tests }}

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

      - name: Setup Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable
          components: rustfmt, clippy

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          cache: 'npm'
          cache-dependency-path: npm/package-lock.json

      - name: Cache Rust dependencies
        uses: Swatinem/rust-cache@v2
        with:
          prefix-key: 'v1-rust'
          shared-key: 'validate'

      - name: Check formatting
        run: cargo fmt --all -- --check

      - name: Run Clippy
        run: cargo clippy --workspace --all-targets --all-features -- -D warnings

      - name: Run Rust tests
        run: cargo test --workspace --all-features
        env:
          RUST_TEST_THREADS: 2

      - name: Install npm dependencies
        working-directory: npm
        run: npm ci

      - name: Run npm tests
        working-directory: npm
        run: npm run test:unit || true

      - name: Generate validation summary
        if: always()
        run: |
          echo "## Validation Results" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "✅ Code formatting checked" >> $GITHUB_STEP_SUMMARY
          echo "✅ Clippy lints passed" >> $GITHUB_STEP_SUMMARY
          echo "✅ Rust tests completed" >> $GITHUB_STEP_SUMMARY
          echo "✅ npm tests completed" >> $GITHUB_STEP_SUMMARY

  # Job 2: Build and test Rust crates
  build-crates:
    name: Build Rust Crates
    runs-on: ubuntu-22.04
    needs: validate
    if: always() && (needs.validate.result == 'success' || needs.validate.result == 'skipped')

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

      - name: Setup Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable

      - name: Cache Rust dependencies
        uses: Swatinem/rust-cache@v2
        with:
          prefix-key: 'v1-rust'
          shared-key: 'build-crates'

      - name: Build all crates
        run: cargo build --workspace --release

      - name: Run crate tests
        run: cargo test --workspace --release
        env:
          RUST_TEST_THREADS: 2

      - name: Generate crate build summary
        run: |
          echo "## Crate Build Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Built Crates:" >> $GITHUB_STEP_SUMMARY
          cargo metadata --no-deps --format-version 1 | jq -r '.packages[] | "- \(.name) v\(.version)"' >> $GITHUB_STEP_SUMMARY

  # Job 3: Build WASM packages
  build-wasm:
    name: Build WASM Packages
    runs-on: ubuntu-22.04
    needs: validate
    if: always() && (needs.validate.result == 'success' || needs.validate.result == 'skipped')

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

      - name: Setup Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable
          targets: wasm32-unknown-unknown

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          cache: 'npm'
          cache-dependency-path: npm/package-lock.json

      - name: Install wasm-pack
        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh

      - name: Cache Rust dependencies
        uses: Swatinem/rust-cache@v2
        with:
          prefix-key: 'v1-rust'
          shared-key: 'wasm'

      - name: Cache wasm-pack
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/.crates.toml
            ~/.cargo/.crates2.json
            ~/.cargo/bin/wasm-pack
          key: ${{ runner.os }}-wasm-pack-${{ hashFiles('**/Cargo.lock') }}

      - name: Build ruvector-wasm
        working-directory: crates/ruvector-wasm
        run: wasm-pack build --target nodejs --out-dir ../../npm/packages/wasm/wasm-pkg

      - name: Build ruvector-gnn-wasm
        working-directory: crates/ruvector-gnn-wasm
        run: wasm-pack build --target nodejs --release

      - name: Build ruvector-graph-wasm
        working-directory: crates/ruvector-graph-wasm
        run: bash build.sh

      - name: Build ruvector-tiny-dancer-wasm
        working-directory: crates/ruvector-tiny-dancer-wasm
        run: wasm-pack build --target nodejs --release

      - name: Upload WASM artifacts
        uses: actions/upload-artifact@v4
        with:
          name: wasm-packages
          path: |
            npm/packages/wasm/wasm-pkg/**
            crates/ruvector-gnn-wasm/pkg/**
            crates/ruvector-graph-wasm/pkg/**
            crates/ruvector-tiny-dancer-wasm/pkg/**
          if-no-files-found: error
          retention-days: 7

      - name: Generate WASM build summary
        run: |
          echo "## WASM Build Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "✅ ruvector-wasm built" >> $GITHUB_STEP_SUMMARY
          echo "✅ ruvector-gnn-wasm built" >> $GITHUB_STEP_SUMMARY
          echo "✅ ruvector-graph-wasm built" >> $GITHUB_STEP_SUMMARY
          echo "✅ ruvector-tiny-dancer-wasm built" >> $GITHUB_STEP_SUMMARY

  # Job 4: Build native Node.js modules (reuse existing workflow)
  build-native:
    name: Build Native Modules
    needs: validate
    if: always() && (needs.validate.result == 'success' || needs.validate.result == 'skipped')
    uses: ./.github/workflows/build-native.yml
    with:
      skip_commit: true

  # Job 5: Publish crates to crates.io
  publish-crates:
    name: Publish Rust Crates
    runs-on: ubuntu-22.04
    needs: [validate, build-crates]
    if: |
      always() &&
      (needs.validate.result == 'success' || needs.validate.result == 'skipped') &&
      needs.build-crates.result == 'success' &&
      (startsWith(github.ref, 'refs/tags/v') || github.event_name == 'workflow_dispatch') &&
      !inputs.dry_run
    environment:
      name: crates-io
      url: https://crates.io/crates/ruvector-core

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

      - name: Setup Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable

      - name: Cache Rust dependencies
        uses: Swatinem/rust-cache@v2
        with:
          prefix-key: 'v1-rust'
          shared-key: 'publish'

      - name: Verify CARGO_REGISTRY_TOKEN
        run: |
          if [ -z "${{ secrets.CARGO_REGISTRY_TOKEN }}" ]; then
            echo "❌ CARGO_REGISTRY_TOKEN is not set"
            exit 1
          fi
          echo "✅ CARGO_REGISTRY_TOKEN is configured"

      - name: Publish crates in dependency order
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
        run: |
          set -e

          # Define publishing order (dependencies first)
          CRATES=(
            "ruvector-core"
            "ruvector-metrics"
            "ruvector-filter"
            "ruvector-snapshot"
            "ruvector-collections"
            "ruvector-router-core"
            "ruvector-raft"
            "ruvector-cluster"
            "ruvector-replication"
            "ruvector-gnn"
            "ruvector-graph"
            "ruvector-server"
            "ruvector-tiny-dancer-core"
            "ruvector-router-cli"
            "ruvector-router-ffi"
            "ruvector-router-wasm"
            "ruvector-cli"
            "ruvector-bench"
            "ruvector-wasm"
            "ruvector-node"
            "ruvector-gnn-wasm"
            "ruvector-gnn-node"
            "ruvector-graph-wasm"
            "ruvector-graph-node"
            "ruvector-tiny-dancer-wasm"
            "ruvector-tiny-dancer-node"
          )

          echo "## Crate Publishing Progress" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          for crate in "${CRATES[@]}"; do
            echo "Publishing $crate..."

            # Check if crate exists
            if [ ! -d "crates/$crate" ]; then
              echo "⏭️  Skipping $crate (not found)" >> $GITHUB_STEP_SUMMARY
              continue
            fi

            cd "crates/$crate"

            # Try to publish, continue if already published
            if cargo publish --token "$CARGO_REGISTRY_TOKEN" --allow-dirty; then
              echo "✅ Published $crate" >> $GITHUB_STEP_SUMMARY
              # Wait to avoid rate limiting
              sleep 10
            else
              echo "⚠️  Failed to publish $crate (may already exist)" >> $GITHUB_STEP_SUMMARY
            fi

            cd ../..
          done

      - name: Verify published crates
        run: |
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Verification" >> $GITHUB_STEP_SUMMARY
          echo "Check published crates at: https://crates.io/search?q=ruvector" >> $GITHUB_STEP_SUMMARY

  # Job 6: Prepare npm packages for manual publishing
  # NOTE: Automatic npm publishing disabled - packages are published manually
  prepare-npm:
    name: Prepare npm Packages
    runs-on: ubuntu-22.04
    needs: [validate, build-native, build-wasm]
    if: |
      always() &&
      (needs.validate.result == 'success' || needs.validate.result == 'skipped') &&
      needs.build-native.result == 'success' &&
      needs.build-wasm.result == 'success' &&
      (startsWith(github.ref, 'refs/tags/v') || github.event_name == 'workflow_dispatch')

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'

      - name: Download native binaries
        uses: actions/download-artifact@v4
        with:
          pattern: bindings-*
          path: artifacts

      - name: Download WASM packages
        uses: actions/download-artifact@v4
        with:
          name: wasm-packages
          path: wasm-artifacts

      - name: Copy native binaries to platform packages
        run: |
          for dir in artifacts/bindings-*/; do
            platform=$(basename "$dir" | sed 's/bindings-//')
            mkdir -p "npm/core/platforms/${platform}"
            cp -v "$dir"/*.node "npm/core/platforms/${platform}/" || true
          done

          # Copy linux-x64 to native directory
          if [ -f "npm/core/platforms/linux-x64-gnu/ruvector.node" ]; then
            mkdir -p npm/core/native/linux-x64
            cp -v npm/core/platforms/linux-x64-gnu/ruvector.node npm/core/native/linux-x64/
          fi

      - name: Copy WASM packages
        run: |
          # Copy main WASM package
          if [ -d "wasm-artifacts/npm/packages/wasm/wasm-pkg" ]; then
            cp -r wasm-artifacts/npm/packages/wasm/wasm-pkg/* npm/packages/wasm/wasm-pkg/
          fi

      - name: Install dependencies
        working-directory: npm
        run: npm ci || npm install --ignore-scripts

      - name: Build npm packages
        working-directory: npm
        run: npm run build || echo "Build step skipped"

      - name: Package artifacts for manual publishing
        run: |
          mkdir -p npm-publish-ready

          # Copy platform binaries
          cp -r npm/core/platforms npm-publish-ready/ || true
          cp -r npm/core/native npm-publish-ready/ || true

          # Create manifest
          echo "# NPM Packages Ready for Publishing" > npm-publish-ready/README.md
          echo "" >> npm-publish-ready/README.md
          echo "## Platform binaries included:" >> npm-publish-ready/README.md
          find npm-publish-ready/platforms -name "*.node" 2>/dev/null | while read f; do
            echo "- $(basename $f)" >> npm-publish-ready/README.md
          done

          echo "" >> npm-publish-ready/README.md
          echo "## Manual publishing commands:" >> npm-publish-ready/README.md
          echo "\`\`\`bash" >> npm-publish-ready/README.md
          echo "# Login to npm" >> npm-publish-ready/README.md
          echo "npm login" >> npm-publish-ready/README.md
          echo "" >> npm-publish-ready/README.md
          echo "# Publish packages" >> npm-publish-ready/README.md
          echo "cd npm/packages/core && npm publish --access public" >> npm-publish-ready/README.md
          echo "cd npm/packages/wasm && npm publish --access public" >> npm-publish-ready/README.md
          echo "cd npm/packages/cli && npm publish --access public" >> npm-publish-ready/README.md
          echo "cd npm/packages/ruvector && npm publish --access public" >> npm-publish-ready/README.md
          echo "\`\`\`" >> npm-publish-ready/README.md

      - name: Upload npm-ready artifacts
        uses: actions/upload-artifact@v4
        with:
          name: npm-publish-ready
          path: npm-publish-ready/
          retention-days: 30

      - name: Generate npm preparation summary
        run: |
          echo "## npm Package Preparation Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "✅ Native binaries copied to platform packages" >> $GITHUB_STEP_SUMMARY
          echo "✅ WASM packages prepared" >> $GITHUB_STEP_SUMMARY
          echo "✅ Packages ready for manual publishing" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Manual Publishing Required" >> $GITHUB_STEP_SUMMARY
          echo "Download the \`npm-publish-ready\` artifact and run:" >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
          echo "npm login" >> $GITHUB_STEP_SUMMARY
          echo "npm publish --access public" >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY

  # Job 7: Create GitHub release
  create-release:
    name: Create GitHub Release
    runs-on: ubuntu-22.04
    needs: [build-crates, build-native, build-wasm, publish-crates, prepare-npm]
    if: |
      always() &&
      needs.build-crates.result == 'success' &&
      needs.build-native.result == 'success' &&
      needs.build-wasm.result == 'success' &&
      (startsWith(github.ref, 'refs/tags/v') || github.event_name == 'workflow_dispatch')
    permissions:
      contents: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Download native binaries
        uses: actions/download-artifact@v4
        with:
          pattern: bindings-*
          path: release-artifacts

      - name: Download WASM packages
        uses: actions/download-artifact@v4
        with:
          name: wasm-packages
          path: release-artifacts/wasm

      - name: Package artifacts for release
        run: |
          mkdir -p release-packages

          # Package native binaries
          for dir in release-artifacts/bindings-*/; do
            platform=$(basename "$dir" | sed 's/bindings-//')
            tar -czf "release-packages/ruvector-native-${platform}.tar.gz" -C "$dir" .
          done

          # Package WASM
          tar -czf release-packages/ruvector-wasm.tar.gz -C release-artifacts/wasm .

      - name: Generate release notes
        id: release_notes
        run: |
          VERSION="${{ github.ref_name }}"
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            VERSION="v${{ inputs.version }}"
          fi

          cat > release_notes.md <<EOF
          # RuVector ${VERSION}

          ## 🚀 What's New

          This release includes:
          - High-performance Rust vector database core
          - Node.js native bindings for all major platforms
          - WebAssembly support for browser and Node.js
          - Graph neural network capabilities
          - Distributed clustering support

          ## 📦 Packages Published

          ### Rust Crates (crates.io)
          - \`ruvector-core\` - Core vector database functionality
          - \`ruvector-graph\` - Graph database capabilities
          - \`ruvector-gnn\` - Graph neural networks
          - \`ruvector-cluster\` - Distributed clustering
          - And 20+ more specialized crates

          ### npm Packages
          - \`@ruvector/core\` - Main Node.js package with platform-specific binaries
          - \`@ruvector/wasm\` - WebAssembly bindings
          - \`@ruvector/cli\` - Command-line interface
          - \`@ruvector/extensions\` - Additional extensions

          ## 🏗️ Platform Support

          ### Native Node.js Modules
          - ✅ Linux x64 (GNU)
          - ✅ Linux ARM64 (GNU)
          - ✅ macOS x64 (Intel)
          - ✅ macOS ARM64 (Apple Silicon)
          - ✅ Windows x64 (MSVC)

          ### WebAssembly
          - ✅ All platforms via WASM

          ## 📥 Installation

          \`\`\`bash
          # Node.js
          npm install @ruvector/core

          # WASM
          npm install @ruvector/wasm

          # CLI
          npm install -g @ruvector/cli

          # Rust
          cargo add ruvector-core
          \`\`\`

          ## 🔗 Links

          - [npm Package](https://www.npmjs.com/package/@ruvector/core)
          - [crates.io](https://crates.io/crates/ruvector-core)
          - [Documentation](https://github.com/ruvnet/ruvector)
          - [Repository](https://github.com/ruvnet/ruvector)

          ## 📊 Metrics

          - Total Rust Crates: 26
          - Total npm Packages: 4+
          - Supported Platforms: 5 native + WASM
          - Binary Size: ~2-5 MB per platform

          ---

          Built with ❤️ by the RuVector team
          EOF

          echo "version=${VERSION}" >> $GITHUB_OUTPUT

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ steps.release_notes.outputs.version }}
          name: RuVector ${{ steps.release_notes.outputs.version }}
          body_path: release_notes.md
          draft: false
          prerelease: ${{ contains(steps.release_notes.outputs.version, 'alpha') || contains(steps.release_notes.outputs.version, 'beta') }}
          files: |
            release-packages/*.tar.gz
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Generate release summary
        run: |
          echo "## 🎉 Release Created Successfully" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Version: ${{ steps.release_notes.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Published Artifacts:" >> $GITHUB_STEP_SUMMARY
          ls -lh release-packages/ >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Release URL:" >> $GITHUB_STEP_SUMMARY
          echo "https://github.com/${{ github.repository }}/releases/tag/${{ steps.release_notes.outputs.version }}" >> $GITHUB_STEP_SUMMARY

  # Summary job to report overall status
  release-summary:
    name: Release Summary
    runs-on: ubuntu-22.04
    needs: [validate, build-crates, build-native, build-wasm, publish-crates, prepare-npm, create-release]
    if: always()

    steps:
      - name: Generate final summary
        run: |
          echo "# 🚀 RuVector Release Pipeline Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "## Job Status" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "| Job | Status |" >> $GITHUB_STEP_SUMMARY
          echo "|-----|--------|" >> $GITHUB_STEP_SUMMARY
          echo "| Validate | ${{ needs.validate.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Build Crates | ${{ needs.build-crates.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Build Native | ${{ needs.build-native.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Build WASM | ${{ needs.build-wasm.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Publish Crates | ${{ needs.publish-crates.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Prepare npm | ${{ needs.prepare-npm.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Create Release | ${{ needs.create-release.result }} |" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          if [ "${{ needs.create-release.result }}" = "success" ]; then
            echo "## ✅ Release completed successfully!" >> $GITHUB_STEP_SUMMARY
          else
            echo "## ⚠️ Release completed with some warnings or failures" >> $GITHUB_STEP_SUMMARY
          fi

          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Next Steps" >> $GITHUB_STEP_SUMMARY
          echo "- Verify packages on [crates.io](https://crates.io/search?q=ruvector)" >> $GITHUB_STEP_SUMMARY
          echo "- Verify packages on [npm](https://www.npmjs.com/search?q=%40ruvector)" >> $GITHUB_STEP_SUMMARY
          echo "- Check [GitHub releases](https://github.com/${{ github.repository }}/releases)" >> $GITHUB_STEP_SUMMARY
          echo "- Update documentation if needed" >> $GITHUB_STEP_SUMMARY