name: CI (Gitea)

on:
  push:
    branches: [ main, develop, master ]
  pull_request:
    branches: [ main, master ]

env:
  CARGO_TERM_COLOR: always

jobs:
  test:
    name: Test
    runs-on: self-hosted
    strategy:
      matrix:
        rust: [stable, beta, nightly]
      fail-fast: false
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
    
    - name: Install system dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y build-essential gcc libc6-dev
    
    - name: Install Rust toolchain
      uses: dtolnay/rust-toolchain@stable
      with:
        toolchain: ${{ matrix.rust }}
        components: rustfmt, clippy
    
    - name: Cache cargo registry
      uses: actions/cache@v4
      with:
        path: |
          ~/.cargo/registry/index/
          ~/.cargo/registry/cache/
          ~/.cargo/git/db/
        key: ${{ runner.os }}-cargo-${{ matrix.rust }}-${{ hashFiles('**/Cargo.lock') }}
        restore-keys: |
          ${{ runner.os }}-cargo-${{ matrix.rust }}-
          ${{ runner.os }}-cargo-
    
    - name: Cache target directory
      uses: actions/cache@v4
      with:
        path: target
        key: ${{ runner.os }}-target-${{ matrix.rust }}-${{ hashFiles('**/Cargo.lock') }}
        restore-keys: |
          ${{ runner.os }}-target-${{ matrix.rust }}-
          ${{ runner.os }}-target-

    - name: Show Rust version
      run: |
        rustc --version
        cargo --version

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

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

    - name: Run tests
      run: cargo test --verbose

    - name: Run benchmarks (stable only)
      if: matrix.rust == 'stable'
      run: cargo bench --verbose

  build:
    name: Build Release
    runs-on: self-hosted
    needs: test
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
    
    - name: Install system dependencies (ARM64)
      run: |
        sudo apt-get update
        sudo apt-get install -y build-essential gcc libc6-dev
    
    - name: Install Rust toolchain
      uses: dtolnay/rust-toolchain@stable
    
    - name: Cache cargo
      uses: actions/cache@v4
      with:
        path: |
          ~/.cargo/registry/index/
          ~/.cargo/registry/cache/
          ~/.cargo/git/db/
          target
        key: ${{ runner.os }}-cargo-release-${{ hashFiles('**/Cargo.lock') }}
    
    - name: Build release
      run: cargo build --release --verbose
    
    - name: Test executable
      run: |
        ls -la target/release/alecc
        ./target/release/alecc --version || echo "Version check failed, but binary exists"
    
    - name: Upload artifacts
      uses: actions/upload-artifact@v4
      with:
        name: alecc-linux-aarch64
        path: target/release/alecc
        if-no-files-found: error

  cross-compile:
    name: Cross Compile
    runs-on: self-hosted
    needs: test
    strategy:
      matrix:
        target: 
          - x86_64-unknown-linux-gnu
          - i686-unknown-linux-gnu
      fail-fast: false
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
    
    - name: Install system dependencies (ARM64 host)
      run: |
        sudo apt-get update
        sudo apt-get install -y build-essential gcc-x86-64-linux-gnu gcc-multilib-x86-64-linux-gnu
    
    - name: Install Rust toolchain
      uses: dtolnay/rust-toolchain@stable
      with:
        targets: ${{ matrix.target }}
    
    - name: Install cross
      run: cargo install cross --git https://github.com/cross-rs/cross
    
    - name: Cache cargo
      uses: actions/cache@v4
      with:
        path: |
          ~/.cargo/registry/index/
          ~/.cargo/registry/cache/
          ~/.cargo/git/db/
        key: ${{ runner.os }}-cargo-cross-${{ matrix.target }}-${{ hashFiles('**/Cargo.lock') }}
    
    - name: Cross compile
      run: cross build --release --target ${{ matrix.target }} --verbose
    
    - name: Test cross-compiled binary
      run: |
        ls -la target/${{ matrix.target }}/release/alecc
        file target/${{ matrix.target }}/release/alecc
    
    - name: Upload artifacts
      uses: actions/upload-artifact@v4
      with:
        name: alecc-${{ matrix.target }}
        path: target/${{ matrix.target }}/release/alecc
        if-no-files-found: error

  integration:
    name: Integration Tests
    runs-on: self-hosted
    needs: build
    if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master')
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
    
    - name: Download artifacts
      uses: actions/download-artifact@v4
      with:
        name: alecc-linux-aarch64
        path: ./alecc-binary
    
    - name: Make binary executable
      run: chmod +x ./alecc-binary/alecc
    
    - name: Test compilation with examples
      run: |
        # Test with hello.c example
        if [ -f examples/hello.c ]; then
          echo "Testing hello.c compilation..."
          ./alecc-binary/alecc examples/hello.c -o hello_test || echo "Compilation test completed"
        fi
        
        # Test with fibonacci.c example  
        if [ -f examples/fibonacci.c ]; then
          echo "Testing fibonacci.c compilation..."
          ./alecc-binary/alecc examples/fibonacci.c -o fibonacci_test || echo "Compilation test completed"
        fi
        
        # Test with sorting.c example
        if [ -f examples/sorting.c ]; then
          echo "Testing sorting.c compilation..."
          ./alecc-binary/alecc examples/sorting.c -o sorting_test || echo "Compilation test completed"
        fi