ci.yml

name: CI

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  compile:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout main branch
        uses: actions/checkout@v3
        with:
          submodules: true  # Initialize and update submodules automatically
          fetch-depth: 0  # Fetch all history to ensure proper submodule handling

      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get install -y gcc-arm-none-eabi make

      - name: Build project
        run: |
          cd firmware/iot-risk-logger-stm32l4
          make all

      - name: Upload build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: build-artifacts
          path: |
            firmware/iot-risk-logger-stm32l4/build/
            firmware/iot-risk-logger-stm32l4/*.elf
            firmware/iot-risk-logger-stm32l4/*.map

  calculate-memory-usage:
    runs-on: ubuntu-latest
    needs: compile
    steps:
      - name: Checkout artifacts branch
        uses: actions/checkout@v3
        with:
          ref: artifacts  # Checkout the artifacts branch
          submodules: true
          fetch-depth: 0

      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get install -y gcc-arm-none-eabi

      - name: Download build artifacts
        uses: actions/download-artifact@v3
        with:
          name: build-artifacts

      - name: Calculate Flash and RAM usage
        run: |
          SIZE_OUTPUT=$(arm-none-eabi-size build/iot-risk-logger-stm32l4.elf)
          TEXT_SIZE=$(echo "$SIZE_OUTPUT" | awk 'NR==2 {print $1}')
          DATA_SIZE=$(echo "$SIZE_OUTPUT" | awk 'NR==2 {print $2}')
          BSS_SIZE=$(echo "$SIZE_OUTPUT" | awk 'NR==2 {print $3}')
          FLASH_USAGE=$((TEXT_SIZE + DATA_SIZE))
          RAM_USAGE=$((DATA_SIZE + BSS_SIZE))
          FLASH_KB=$(( (FLASH_USAGE + 1023) / 1024 ))  # Round to nearest KB
          RAM_KB=$(( (RAM_USAGE + 1023) / 1024 ))  # Round to nearest KB
          FLASH_MAX=128  # Maximum flash size in KB
          SRAM_MAX=40  # Maximum RAM size in KB
          FLASH_USAGE_PERCENT=$(( (FLASH_KB * 100) / FLASH_MAX ))
          SRAM_USAGE_PERCENT=$(( (RAM_KB * 100) / SRAM_MAX ))
          touch usage.json
          echo "{ \"flash\": \"${FLASH_KB}K/${FLASH_MAX}K (${FLASH_USAGE_PERCENT}%)\", \"SRAM\": \"${RAM_KB}K/${SRAM_MAX}K (${SRAM_USAGE_PERCENT}%)\" }" > usage.json
          cat usage.json

      - name: Commit usage.json to artifacts branch
        run: |
          mkdir -p artifacts
          mv usage.json artifacts/
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add .
          git commit -am "Update Flash and RAM usage artifacts"
          git push origin artifacts
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  test:
    runs-on: ubuntu-latest
    needs: compile
    steps:
      - name: Download build artifacts
        uses: actions/download-artifact@v3
        with:
          name: build-artifacts

      - name: Run tests
        run: echo "Run your test commands here"

  generate-diagrams:
    runs-on: ubuntu-latest
    needs: compile
    steps:
      - name: Download build artifacts
        uses: actions/download-artifact@v3
        with:
          name: build-artifacts

      - name: Generate diagrams
        run: echo "Run your diagram generation commands here"