name: Build and Pack

on: [push, pull_request]

jobs:
#########################################################################################
## Build Firmware
#########################################################################################
  build:
    runs-on: ubuntu-latest

    steps:
    - id: skip_check
      uses: fkirc/skip-duplicate-actions@v5
      with:
        concurrent_skipping: same_content_newer
    
    - uses: actions/checkout@v3
      with:
        submodules: recursive

    - name: Set Variables
      id: vars
      run: |
        echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

    - name: Cache PlatformIO
      uses: actions/cache@v3
      with:
        path: ~/.platformio
        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.10'
    - name: Install PlatformIO
      run: |
        python -m pip install --upgrade pip
        pip install --upgrade platformio

    - name: Build Firmware
      #run: echo "Testing... ${{ github.ref_name }}, ${{ steps.vars.outputs.sha_short }}" > ./sd-card/html/version.txt; mkdir -p ./code/.pio/build/esp32cam/; cd ./code/.pio/build/esp32cam/; echo "${{ steps.vars.outputs.sha_short }}" > firmware.bin; cp firmware.bin partitions.bin; cp firmware.bin bootloader.bin # Testing
      run: cd code; platformio run --environment esp32cam

    - name: Store generated files in cache
      uses: actions/cache@v3
      with:
        path: |
          ./code/.pio/build/esp32cam/firmware.bin
          ./code/.pio/build/esp32cam/partitions.bin
          ./code/.pio/build/esp32cam/bootloader.bin
          ./sd-card/html/version.txt
        key: ${{ github.run_number }}


#########################################################################################
## Pack for new OTA 
#########################################################################################
  pack-for-OTA:
    # New OTA concept
    # update__version.zip file with following content:
    #  - /firmware.bin
    #  - (optional) /html/*
    #  - (optional) /config/*.tfl
    runs-on: ubuntu-latest
    needs: build

    steps:
    - uses: actions/checkout@v3

    - name: Get generated files from cache
      uses: actions/cache@v3
      with:
        path: |
          ./code/.pio/build/esp32cam/firmware.bin
          ./code/.pio/build/esp32cam/partitions.bin
          ./code/.pio/build/esp32cam/bootloader.bin
          ./sd-card/html/version.txt
        key: ${{ github.run_number }}

    - name: Set Variables
      id: vars
      run: |
        echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
        echo "branch=$(echo ${{ github.ref_name }} | tr / __)" >> $GITHUB_OUTPUT

    - name: Prepare update.zip artifact
      run: |
        mkdir -p ./dist
        cp "./code/.pio/build/esp32cam/firmware.bin" "dist/firmware.bin"

    - name: Add Web UI to dist
      run: cp -r ./sd-card/html ./dist/

    - name: Add CNN to dist
      run: |
        mkdir ./dist/config/
        cp ./sd-card/config/*.tfl ./dist/config/ 2>/dev/null || true
        cp ./sd-card/config/*.tflite ./dist/config/ 2>/dev/null || true

    - name: Upload dist as update.zip artifact (Firmware + Web UI + CNN)
      uses: actions/upload-artifact@v3
      with:
        name: "update__${{ steps.vars.outputs.branch }}_(${{ steps.vars.outputs.sha_short }})"
        path: ./dist/*

    - name: Store generated files in cache
      uses: actions/cache@v3
      with:
        path: dist
        key: ${{ github.run_number }}-pack-for-OTA




#########################################################################################
## Pack for a fresh install (USB flashing) (initial_esp32_setup)
#########################################################################################
  pack-for-fresh-install:
    # creates old style binaries for fresh installation (backward compatible to wiki)
    runs-on: ubuntu-latest
    needs: build

    steps:
    - uses: actions/checkout@v3

    - name: Get generated files from cache
      uses: actions/cache@v3
      with:
        path: |
          ./code/.pio/build/esp32cam/firmware.bin
          ./code/.pio/build/esp32cam/partitions.bin
          ./code/.pio/build/esp32cam/bootloader.bin
          ./sd-card/html/version.txt
        key: ${{ github.run_number }}

    - name: Set Variables
      id: vars
      run: |
        echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
        echo "branch=$(echo ${{ github.ref_name }} | tr / __)" >> $GITHUB_OUTPUT

    - name: Prepare artifacts for release
      run: |
        mkdir -p firmware
        rm -rf firmware/*.zip
        mkdir -p release
        # copy builds to firmware folder
        cp -f "./code/.pio/build/esp32cam/firmware.bin" "firmware/firmware.bin"
        cp -f "./code/.pio/build/esp32cam/bootloader.bin" "firmware/bootloader.bin"
        cp -f "./code/.pio/build/esp32cam/partitions.bin" "firmware/partitions.bin"
        zip -r ./firmware/sd-card.zip sd-card
        cd ./firmware
  
    - name: Upload initial_esp32_setup.zip artifact (Firmware + Bootloader + Partitions + Web UI)
      uses: actions/upload-artifact@v3
      with:
        name: "initial_esp32_setup__${{ steps.vars.outputs.branch }}_(${{ steps.vars.outputs.sha_short }})"
        path: ./firmware

    - name: Store generated files in cache
      uses: actions/cache@v3
      with:
        path: firmware
        key: ${{ github.run_number }}-pack-for-fresh-install




#########################################################################################
## Prepare and create release
#########################################################################################
  release: 
    runs-on: ubuntu-latest
    needs: [pack-for-OTA, pack-for-fresh-install]
    if: startsWith(github.ref, 'refs/tags/') 
      
    steps:
    - uses: actions/checkout@v3
    - name: Set Variables
      id: vars
      run: |
        echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

    # import the changes from 
    - name: Get generated files from cache
      uses: actions/cache@v3
      with:
        path: dist
        key: ${{ github.run_number }}-pack-for-OTA

    # import cached artifacts from pack-for-fresh-install
    - name: Get generated files from cache
      uses: actions/cache@v3
      with:
        path: firmware
        key: ${{ github.run_number }}-pack-for-fresh-install

    - name: Prepare artifacts for release
      run: |
        mkdir -p release
        mkdir -p dist
        # create a update.zip like "update__rolling"
        pwd
        cd ./dist
        zip -r ../release/update.zip .
        cd ../firmware
        zip -r ../release/initial_esp32_setup.zip .
    # extract the version used in next step
    - id: get_version
      if: startsWith(github.ref, 'refs/tags/') 
      uses: battila7/get-version-action@v2

    # the changelog [unreleased] will now be changed to the release version
    - name: Update changelog
      uses: thomaseizinger/keep-a-changelog-new-release@v1
      if: startsWith(github.ref, 'refs/tags/') 
      with:
        changelogPath: Changelog.md
        version: ${{ steps.get_version.outputs.version-without-v }}
            
    # the release notes will be extracted from changelog 
    - name: Extract release notes
      id: extract-release-notes
      if: startsWith(github.ref, 'refs/tags/') 
      uses: ffurrer2/extract-release-notes@v1
      with:
          changelog_file: Changelog.md
          

    # Releases should only be created on master by tagging the last commit.
    # all artifacts in firmware folder pushed to the release
    - name: Release
      uses: softprops/action-gh-release@v1
      if: startsWith(github.ref, 'refs/tags/')
      with:
        name:  ${{ steps.get_version.outputs.version-without-v }}
        body: ${{ steps.extract-release-notes.outputs.release_notes }}
        files: |
          release/*
          

    # Commit&Push Changelog to master branch. Must be manually merged back to rolling
    - name: Commit changes and push changes
      if: startsWith(github.ref, 'refs/tags/') 
      run: |
        git config user.name github-actions
        git config user.email github-actions@github.com
        git add Changelog.md
        git commit Changelog.md -m "Update Changelog.md for ${{github.event.inputs.versionIncrement}} release"
        git push origin HEAD:master