name: Build and Publish

on:
  push:
    branches:
      - master
      - main
    tags:
      - 'v*.*.*'

env:
  CARGO_TERM_COLOR: always
  BINARY_NAME: secret-reader

jobs:
  build:
    name: Build binary
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        include:
          - build_target: x86_64-unknown-linux-gnu
            platform_name: linux-amd64
          - build_target: aarch64-unknown-linux-gnu
            platform_name: linux-arm64
    steps:
      - uses: actions/checkout@v4
      
      - name: Cache Cargo registry
        uses: actions/cache@v4
        with:
          path: ~/.cargo/registry
          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-registry-
      
      - name: Cache Cargo index
        uses: actions/cache@v4
        with:
          path: ~/.cargo/git
          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-index-
      
      - name: Cache Cargo build
        uses: actions/cache@v4
        with:
          path: target
          key: ${{ runner.os }}-${{ matrix.build_target }}-cargo-build-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-${{ matrix.build_target }}-cargo-build-

      - uses: dtolnay/rust-toolchain@stable
      
      - name: Install rust targets
        run: rustup target add ${{ matrix.build_target }}
        
      - name: Install Linux x86_64 dependencies
        if: matrix.build_target == 'x86_64-unknown-linux-gnu'
        run: |
          sudo apt-get update
          sudo apt-get install -y libssl-dev pkg-config
          
      - name: Install Linux ARM64 cross-compilation dependencies
        if: matrix.build_target == 'aarch64-unknown-linux-gnu'
        run: |
          sudo apt-get update
          sudo apt-get install -y gcc-aarch64-linux-gnu pkg-config libssl-dev build-essential
          
      - name: Build Linux x86_64
        if: matrix.build_target == 'x86_64-unknown-linux-gnu'
        run: cargo build --target ${{ matrix.build_target }} --release
        
      - name: Build Linux ARM64
        if: matrix.build_target == 'aarch64-unknown-linux-gnu'
        env:
          CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: aarch64-linux-gnu-gcc
          CC_aarch64_unknown_linux_gnu: aarch64-linux-gnu-gcc
          CXX_aarch64_unknown_linux_gnu: aarch64-linux-gnu-g++
        run: cargo build --target ${{ matrix.build_target }} --release
          
      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.BINARY_NAME }}_${{ matrix.platform_name }}
          path: target/${{ matrix.build_target }}/release/${{ env.BINARY_NAME }}

  build_docker:
    name: Build and Publish Multi-arch Docker Image
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts/
          
      - name: Prepare binaries
        run: |
          mkdir -p bin/linux_amd64 bin/linux_arm64
          
          # Move and make binaries executable
          if [[ -f "artifacts/${BINARY_NAME}_linux-amd64/${BINARY_NAME}" ]]; then
            mv artifacts/${BINARY_NAME}_linux-amd64/${BINARY_NAME} bin/linux_amd64/
            chmod +x bin/linux_amd64/${BINARY_NAME}
          fi
          
          if [[ -f "artifacts/${BINARY_NAME}_linux-arm64/${BINARY_NAME}" ]]; then
            mv artifacts/${BINARY_NAME}_linux-arm64/${BINARY_NAME} bin/linux_arm64/
            chmod +x bin/linux_arm64/${BINARY_NAME}
          fi
          
          # List files to verify
          ls -la bin/*/
          
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Login to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
          
      - name: Extract metadata
        id: meta
        run: |
          echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
          
          # Extract version from Cargo.toml
          VERSION=$(grep '^version' Cargo.toml | head -1 | cut -d'"' -f2)
          echo "cargo_version=${VERSION}" >> $GITHUB_OUTPUT
          
          # Determine Docker tags based on the event
          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
            # Tag push - use tag name, version from Cargo.toml and latest
            TAG_NAME=${GITHUB_REF#refs/tags/}
            echo "docker_tags=${{ secrets.DOCKERHUB_USERNAME }}/k8s-secrets:${TAG_NAME},${{ secrets.DOCKERHUB_USERNAME }}/k8s-secrets:${VERSION},${{ secrets.DOCKERHUB_USERNAME }}/k8s-secrets:latest" >> $GITHUB_OUTPUT
            echo "push=true" >> $GITHUB_OUTPUT
          elif [[ "${{ github.ref }}" == refs/heads/* ]]; then
            # Branch push - use branch name, version from Cargo.toml and short SHA
            BRANCH=${GITHUB_REF#refs/heads/}
            echo "docker_tags=${{ secrets.DOCKERHUB_USERNAME }}/k8s-secrets:${BRANCH},${{ secrets.DOCKERHUB_USERNAME }}/k8s-secrets:${VERSION},${{ secrets.DOCKERHUB_USERNAME }}/k8s-secrets:$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
            echo "push=true" >> $GITHUB_OUTPUT
          else
            # Other event
            echo "docker_tags=${{ secrets.DOCKERHUB_USERNAME }}/k8s-secrets:$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
            echo "push=false" >> $GITHUB_OUTPUT
          fi
      
      - name: Check metadata
        run: |
          echo "Short SHA: ${{ steps.meta.outputs.sha_short }}"
          echo "Cargo Version: ${{ steps.meta.outputs.cargo_version }}"
          echo "Docker Tags: ${{ steps.meta.outputs.docker_tags }}"
          echo "Push: ${{ steps.meta.outputs.push }}"
        
      - name: Build and push multi-arch Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile.prebuilt
          platforms: linux/amd64,linux/arm64
          push: ${{ steps.meta.outputs.push == 'true' }}
          tags: ${{ steps.meta.outputs.docker_tags }}
          cache-from: type=registry,ref=${{ secrets.DOCKERHUB_USERNAME }}/k8s-secrets:buildcache
          cache-to: type=registry,ref=${{ secrets.DOCKERHUB_USERNAME }}/k8s-secrets:buildcache,mode=max