name: CI

on:
  push:
  pull_request_target:

permissions:
  contents: read
  packages: write

env:
  DOCKER_DRIVER: overlay2
  FAST_MODE: false

jobs:
  builder-image:
    name: Builder Image
    runs-on: ubuntu-20.04
    outputs:
      image-tag: ${{ steps.prepare.outputs.image-tag }}
      repo-name: ${{ steps.prepare.outputs.repo-name }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Prepare
        id: prepare
        run: |
          BRANCH_NAME=$(echo "${GITHUB_REF##*/}" | tr '[:upper:]' '[:lower:]')
          REPO_NAME=$(echo "${{ github.repository }}" | tr '[:upper:]' '[:lower:]')
          echo "::set-output name=image-tag::${BRANCH_NAME}"
          echo "::set-output name=repo-name::${REPO_NAME}"

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: ./contrib/containers/ci
          file: ./contrib/containers/ci/Dockerfile
          push: true
          tags: |
            ghcr.io/${{ steps.prepare.outputs.repo-name }}/builder:${{ steps.prepare.outputs.image-tag }}
            ghcr.io/${{ steps.prepare.outputs.repo-name }}/builder:latest
          cache-from: type=registry,ref=ghcr.io/${{ steps.prepare.outputs.repo-name }}/builder:latest
          cache-to: type=inline

  build-depends:
    name: Build Dependencies
    needs: builder-image
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        include:
        - build_target: arm-linux
          host: arm-linux-gnueabihf
    container:
      image: ghcr.io/${{ needs.builder-image.outputs.repo-name }}/builder:${{ needs.builder-image.outputs.image-tag }}
      options: --user root
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            depends/built
            depends/${{ matrix.host }}
            depends/sdk-sources
          # We don't care about no specific key as depends system will handle that for us
          key: ${{ runner.os }}-depends-${{ matrix.host }}-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-depends-${{ matrix.host }}-${{ github.sha }}
            ${{ runner.os }}-depends-${{ matrix.host }}
            ${{ runner.os }}-depends

      - name: Build dependencies
        run: make -j$(nproc) -C depends HOST=${{ matrix.host }}

  build:
    name: Build
    needs: [builder-image, build-depends]
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        include:
          - build_target: arm-linux
            host: arm-linux-gnueabihf
            dep_opts: DEBUG=1
    container:
      image: ghcr.io/${{ needs.builder-image.outputs.repo-name }}/builder:${{ needs.builder-image.outputs.image-tag }}
      options: --user root
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Restore Cache dependencies
        uses: actions/cache/restore@v4
        with:
          path: |
            depends/built
            depends/${{ matrix.host }}
            depends/sdk-sources
          # We don't care about no specific key as depends system will handle that for us
          key: ${{ runner.os }}-depends-${{ matrix.host }}-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-depends-${{ matrix.host }}-${{ github.sha }}
            ${{ runner.os }}-depends-${{ matrix.host }}
            ${{ runner.os }}-depends

      - name: CCache
        uses: actions/cache@v4
        with:
          path: |
            /cache
          key: ${{ runner.os }}-${{ matrix.host }}-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-${{ matrix.host }}-${{ github.sha }}
            ${{ runner.os }}-${{ matrix.host }}
            ${{ runner.os }}

      - name: Build source and run tests
        run: |
          git config --global --add safe.directory "$PWD"
          CCACHE_SIZE="400M"
          CACHE_DIR="/cache"
          mkdir /output
          BASE_OUTDIR="/output"
          BUILD_TARGET="${{ matrix.build_target }}"
          source ./ci/dash/matrix.sh
          ./ci/dash/build_src.sh
          ./ci/dash/test_unittests.sh
        shell: bash

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: build-artifacts
          path: |
            /output


# Come back to this later and implement tests :)
#  test:
#    name: Test
#    needs: [builder-image, build]
#    runs-on: ubuntu-20.04
#    container:
#      image: ghcr.io/${{ needs.builder-image.outputs.repo-name }}/builder:${{ needs.builder-image.outputs.image-tag }}
#      options: --user root
#    steps:
#      - name: Checkout code
#        uses: actions/checkout@v4
#
#      - name: Download build artifacts
#        uses: actions/download-artifact@v4
#        with:
#          name: build-artifacts
#          path: src/
#
##      - name: Setup environment
##        run: |
##          echo "BUILD_TARGET=${{ needs.build.matrix.build_target }}"
##          source ./ci/dash/matrix.sh
#
#      - name: Run integration tests
#        run: ./ci/dash/test_integrationtests.sh --extended --exclude feature_pruning,feature_dbcrash