name: CI/CD Pipeline

on:
  push:
    branches: [main]
    tags: ['v*']
  pull_request:
    branches: [main]

env:
  CARGO_TERM_COLOR: always

jobs:
  # ═══════════════════════════════════════════════════════════════
  # 1. Lint
  # ═══════════════════════════════════════════════════════════════

  lint:
    name: Lint
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@v4

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

      - name: Cache cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-lint-${{ hashFiles('**/Cargo.lock') }}

      - name: Format check
        run: cargo fmt --all -- --check

      - name: Clippy
        run: cargo clippy --all-targets -- -D warnings

  # ═══════════════════════════════════════════════════════════════
  # 2. Test
  # ═══════════════════════════════════════════════════════════════

  test:
    name: Test
    runs-on: ubuntu-latest
    timeout-minutes: 15
    needs: lint
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-test-${{ hashFiles('**/Cargo.lock') }}

      - name: Test (all crates)
        run: cargo test --workspace

      - name: Test doc
        run: cargo test --doc --workspace

  # ═══════════════════════════════════════════════════════════════
  # 3. Build
  # ═══════════════════════════════════════════════════════════════

  build:
    name: Build
    runs-on: ubuntu-latest
    timeout-minutes: 15
    needs: test
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-build-${{ hashFiles('**/Cargo.lock') }}

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

      - name: Verify FFI lib
        run: |
          test -f target/release/libzx_document_ffi.a && echo "FFI lib OK"
          test -f target/release/libzx_document_core.a && echo "Core lib OK"

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: linux-libs
          path: target/release/libzx_document_*.a
          retention-days: 7

  # ═══════════════════════════════════════════════════════════════
  # 4. Release (tagged versions only)
  # ═══════════════════════════════════════════════════════════════

  release:
    name: Release
    runs-on: ${{ matrix.os }}
    timeout-minutes: 30
    needs: build
    if: startsWith(github.ref, 'refs/tags/v')
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: macos-15
            target: aarch64-apple-ios
            rust-target: aarch64-apple-ios
          - os: macos-15
            target: aarch64-apple-ios-sim
            rust-target: aarch64-apple-ios-sim

    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.rust-target }}

      - name: Build FFI for ${{ matrix.target }}
        run: cargo build --release -p zx_document_ffi --target ${{ matrix.rust-target }}

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: lib-${{ matrix.target }}
          path: target/${{ matrix.rust-target }}/release/libzx_document_ffi.a

  # ═══════════════════════════════════════════════════════════════
  # 5. Package xcframework (tagged macOS only)
  # ═══════════════════════════════════════════════════════════════

  package-xcframework:
    name: Package xcframework
    runs-on: macos-15
    timeout-minutes: 10
    needs: release
    if: startsWith(github.ref, 'refs/tags/v')
    steps:
      - uses: actions/checkout@v4

      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts

      - name: Create xcframework
        run: |
          mkdir -p xcframework_staging
          cp artifacts/lib-aarch64-apple-ios/libzx_document_ffi.a xcframework_staging/libzx_document_ffi_ios.a
          cp artifacts/lib-aarch64-apple-ios-sim/libzx_document_ffi.a xcframework_staging/libzx_document_ffi_ios_sim.a

          xcodebuild -create-xcframework \
            -library xcframework_staging/libzx_document_ffi_ios.a \
            -library xcframework_staging/libzx_document_ffi_ios_sim.a \
            -output ZxDocumentRuntime.xcframework

          # Package
          zip -r ZxDocumentRuntime.xcframework.zip ZxDocumentRuntime.xcframework/

      - name: Upload release asset
        uses: softprops/action-gh-release@v2
        with:
          files: ZxDocumentRuntime.xcframework.zip
          generate_release_notes: true