name: CI

# Run this workflow whenever the build may be affected
on:
  push:
    branches: [ main ]
    paths-ignore:
      - 'doc/**'
      - '**.md'
  pull_request:
    branches: [ main ]
    paths-ignore:
      - 'doc/**'
      - '**.md'

jobs:
  build-firmware:
    runs-on: ubuntu-22.04
    container:
      image: infinitime/infinitime-build
    outputs:
      text_size: ${{ steps.output-sizes.outputs.text_size }}
      data_size: ${{ steps.output-sizes.outputs.data_size }}
      bss_size: ${{ steps.output-sizes.outputs.bss_size }}
    env:
      # InfiniTime sources are downloaded to the current directory.
      # Override SOURCES_DIR in build.sh
      SOURCES_DIR: .
    steps:
      - name: Checkout source files
        uses: actions/checkout@v3
        with:
          submodules: recursive
      - name: Build
        shell: bash
        run: /opt/build.sh all
      - name: Output build size
        id: output-sizes
        run: |
          . /opt/build.sh
          .github/workflows/getSize.sh "$BUILD_DIR"/src/pinetime-app-*.out >> $GITHUB_OUTPUT
      # Unzip the package because Upload Artifact will zip up the files
      - name: Unzip DFU package
        run: unzip ./build/output/pinetime-mcuboot-app-dfu-*.zip -d ./build/output/pinetime-mcuboot-app-dfu
      - name: Upload DFU artifacts
        uses: actions/upload-artifact@v3
        with:
          name: InfiniTime DFU ${{ github.head_ref }}
          path: ./build/output/pinetime-mcuboot-app-dfu/*
      - name: Upload MCUBoot image artifacts
        uses: actions/upload-artifact@v3
        with:
          name: InfiniTime MCUBoot image ${{ github.head_ref }}
          path: ./build/output/pinetime-mcuboot-app-image-*.bin
      - name: Upload resources artifacts
        uses: actions/upload-artifact@v3
        with:
          name: InfiniTime resources ${{ github.head_ref }}
          path: ./build/output/infinitime-resources-*.zip

  build-simulator:
    runs-on: ubuntu-22.04
    steps:
    - name: Install SDL2 and libpng development package
      run:  |
        sudo apt-get update
        sudo apt-get -y install libsdl2-dev libpng-dev

    - name: Install Ninja
      run:  |
        sudo apt-get -y install ninja-build

    - name: Install lv_font_conv
      run:
        npm i -g lv_font_conv@1.5.2

    - name: Checkout source files
      uses: actions/checkout@v3
      with:
        submodules: recursive

    - name: Get InfiniSim repo
      run:  |
        git clone https://github.com/InfiniTimeOrg/InfiniSim.git --depth 1 --branch main
        git -C InfiniSim submodule update --init lv_drivers

    - name: CMake
      # disable BUILD_RESOURCES as this is already done when building the firmware
      run:  |
        cmake -G Ninja -S InfiniSim -B build_lv_sim -DInfiniTime_DIR="${PWD}" -DBUILD_RESOURCES=OFF

    - name: Build simulator executable
      run:  |
        cmake --build build_lv_sim

    - name: Upload simulator executable
      uses: actions/upload-artifact@v3
      with:
        name: infinisim-${{ github.head_ref }}
        path: build_lv_sim/infinisim

  get-base-ref-size:
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-22.04
    container:
      image: infinitime/infinitime-build
    outputs:
      text_size: ${{ steps.output-sizes.outputs.text_size }}
      data_size: ${{ steps.output-sizes.outputs.data_size }}
      bss_size: ${{ steps.output-sizes.outputs.bss_size }}
    env:
      # InfiniTime sources are downloaded to the current directory.
      # Override SOURCES_DIR in build.sh
      SOURCES_DIR: .
    steps:
    - name: Checkout current base branch files
      uses: actions/checkout@v3
      with:
        ref: ${{ github.base_ref }}
        submodules: recursive

    - name: Get base branch SHA
      id: get-base-sha
      run: |
        # Fix for "detected dubious ownership in repository at '/__w/InfiniTime/InfiniTime'"
        git config --global --add safe.directory /__w/InfiniTime/InfiniTime
        echo base_sha=$(git rev-parse HEAD) >> $GITHUB_OUTPUT

    - name: Cache build
      id: cache-build
      uses: actions/cache@v3
      with:
        path: ./build
        key: build-files-${{ steps.get-base-sha.outputs.base_sha }}

    - if: ${{ steps.cache-build.outputs.cache-hit != 'true' }}
      name: Build
      shell: bash
      # Only pinetime-app target is needed, but post_build.sh fails
      run: /opt/build.sh all

    - name: Output build size
      id: output-sizes
      run: |
        . /opt/build.sh
        .github/workflows/getSize.sh "$BUILD_DIR"/src/pinetime-app-*.out >> $GITHUB_OUTPUT

  compare-build-size:
    if: github.event_name == 'pull_request'
    name: 'Compare build size'
    needs: [build-firmware, get-base-ref-size]
    runs-on: ubuntu-latest
    steps:
    - name: Compare build size
      id: output-sizes-diff
      run: |
        TEXT_SIZE=${{ needs.build-firmware.outputs.text_size }}
        DATA_SIZE=${{ needs.build-firmware.outputs.data_size }}
        BSS_SIZE=${{ needs.build-firmware.outputs.bss_size }}

        echo "text_size=$TEXT_SIZE"
        echo "data_size=$DATA_SIZE"
        echo "bss_size=$BSS_SIZE"

        echo "text_size=$TEXT_SIZE" >> $GITHUB_OUTPUT
        echo "data_size=$DATA_SIZE" >> $GITHUB_OUTPUT
        echo "bss_size=$BSS_SIZE" >> $GITHUB_OUTPUT

        TEXT_SIZE_BASE=${{ needs.get-base-ref-size.outputs.text_size }}
        DATA_SIZE_BASE=${{ needs.get-base-ref-size.outputs.data_size }}
        BSS_SIZE_BASE=${{ needs.get-base-ref-size.outputs.bss_size }}

        TEXT_SIZE_DIFF=$((TEXT_SIZE - TEXT_SIZE_BASE))
        DATA_SIZE_DIFF=$((DATA_SIZE - DATA_SIZE_BASE))
        BSS_SIZE_DIFF=$((BSS_SIZE - BSS_SIZE_BASE))

        echo "text_diff=$TEXT_SIZE_DIFF"
        echo "data_diff=$DATA_SIZE_DIFF"
        echo "bss_diff=$BSS_SIZE_DIFF"

        echo "text_diff=$TEXT_SIZE_DIFF" >> $GITHUB_OUTPUT
        echo "data_diff=$DATA_SIZE_DIFF" >> $GITHUB_OUTPUT
        echo "bss_diff=$BSS_SIZE_DIFF" >> $GITHUB_OUTPUT

    - name: Write comment information to files
      run: |
        tee comment << EOF
        Build size and comparison to ${{ github.base_ref }}:
        | Section | Size | Difference |
        | ------- | ---- | ---------- |
        | text    | ${{ needs.build-firmware.outputs.text_size }}B | ${{ steps.output-sizes-diff.outputs.text_diff }}B |
        | data    | ${{ needs.build-firmware.outputs.data_size }}B | ${{ steps.output-sizes-diff.outputs.data_diff }}B |
        | bss     | ${{ needs.build-firmware.outputs.bss_size }}B  | ${{ steps.output-sizes-diff.outputs.bss_diff }}B  |
        EOF

    - name: Upload comment
      uses: actions/upload-artifact@v3
      with:
        name: comment
        path: comment