ci.yml

name: CI

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main]

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  check:
    name: Check Compilation
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust nightly
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: rust-src

      - name: Cache cargo (using Swatinem/rust-cache)
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: sensors/blackbox
          cache-on-failure: true

      - name: Cache cargo tools
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/espup
            ~/.cargo/bin/ldproxy
          key: ${{ runner.os }}-cargo-tools-v1
          restore-keys: |
            ${{ runner.os }}-cargo-tools-

      - name: Cache ESP-IDF
        uses: actions/cache@v4
        with:
          path: |
            ~/.espup/
            ~/export-esp.sh
          key: ${{ runner.os }}-espup-v2-partition-fix
          restore-keys: |
            ${{ runner.os }}-espup-v2-

      - name: Install ESP-IDF prerequisites
        run: |
          sudo apt-get update
          sudo apt-get install -y git wget flex bison gperf python3 python3-pip python3-venv cmake ninja-build ccache libffi-dev libssl-dev dfu-util libusb-1.0-0

      - name: Install tools from cache or compile
        run: |
          if ! command -v espup &> /dev/null; then
            echo "Installing espup..."
            cargo install espup
          else
            echo "✓ espup found in cache"
          fi

          if ! command -v ldproxy &> /dev/null; then
            echo "Installing ldproxy..."
            cargo install ldproxy
          else
            echo "✓ ldproxy found in cache"
          fi

      - name: Install ESP-IDF
        run: |
          if [ ! -f ~/export-esp.sh ]; then
            echo "Installing ESP-IDF..."
            espup install
          else
            echo "✓ ESP-IDF found in cache"
          fi
          . $HOME/export-esp.sh

      - name: Check compilation
        run: |
          . $HOME/export-esp.sh
          cd sensors/blackbox
          cargo check

  fmt:
    name: Format Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt

      - name: Check formatting
        run: cargo fmt --all -- --check

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust nightly
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: rust-src, clippy

      - name: Cache cargo (using Swatinem/rust-cache)
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: sensors/blackbox
          cache-on-failure: true

      - name: Run clippy
        run: |
          cd sensors/blackbox
          cargo clippy -- -D warnings

  build:
    name: Build Firmware
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust nightly
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: rust-src

      - name: Cache cargo (using Swatinem/rust-cache)
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: sensors/blackbox
          cache-on-failure: true
          shared-key: partition-fix-v2

      - name: Cache cargo tools
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/espup
            ~/.cargo/bin/ldproxy
            ~/.cargo/bin/cargo-espflash
            ~/.cargo/bin/espflash
          key: ${{ runner.os }}-cargo-tools-v1
          restore-keys: |
            ${{ runner.os }}-cargo-tools-

      - name: Cache ESP-IDF
        uses: actions/cache@v4
        with:
          path: |
            ~/.espup/
            ~/export-esp.sh
          key: ${{ runner.os }}-espup-v2-partition-fix
          restore-keys: |
            ${{ runner.os }}-espup-v2-

      - name: Install ESP-IDF prerequisites
        run: |
          sudo apt-get update
          sudo apt-get install -y git wget flex bison gperf python3 python3-pip python3-venv cmake ninja-build ccache libffi-dev libssl-dev dfu-util libusb-1.0-0

      - name: Install tools from cache or compile
        run: |
          # Check if tools are already in cache
          if ! command -v espup &> /dev/null; then
            echo "Installing espup..."
            cargo install espup
          else
            echo "✓ espup found in cache"
          fi

          if ! command -v ldproxy &> /dev/null; then
            echo "Installing ldproxy..."
            cargo install ldproxy
          else
            echo "✓ ldproxy found in cache"
          fi

          if ! command -v cargo-espflash &> /dev/null; then
            echo "Installing cargo-espflash and espflash..."
            cargo install cargo-espflash espflash
          else
            echo "✓ cargo-espflash found in cache"
          fi

      - name: Install ESP-IDF
        run: |
          if [ ! -f ~/export-esp.sh ]; then
            echo "Installing ESP-IDF..."
            espup install
          else
            echo "✓ ESP-IDF found in cache"
          fi
          . $HOME/export-esp.sh

      - name: Clean build to force partition table update
        run: |
          cd sensors/blackbox
          rm -rf ../../target/riscv32imc-esp-espidf
          rm -rf ../../.embuild
          echo "✓ Cleaned ESP-IDF build cache (.embuild and target)"

      - name: Build firmware
        run: |
          . $HOME/export-esp.sh
          cd sensors/blackbox
          cargo build --release
          echo "Built binary size:"
          ls -lh ../../target/riscv32imc-esp-espidf/release/blackbox
          echo "Checking generated partition configuration:"
          grep "CONFIG_PARTITION_TABLE" ../../target/riscv32imc-esp-espidf/release/build/esp-idf-sys-*/out/sdkconfig | head -10
          echo "Partition table binary:"
          ls -lh ../../target/riscv32imc-esp-espidf/release/partition-table.bin
          python3 -c "import sys; data = open('../../target/riscv32imc-esp-espidf/release/partition-table.bin', 'rb').read(); print(f'Partition table size: {len(data)} bytes')"

      - name: Create merged binary for web flasher
        run: |
          cd sensors/blackbox
          cargo espflash save-image \
            --chip esp32c3 \
            --merge \
            --release \
            ../../target/blackbox.bin
          ls -lh ../../target/blackbox.bin

      - name: Upload merged firmware
        uses: actions/upload-artifact@v4
        with:
          name: firmware-esp32c3
          path: target/blackbox.bin

      - name: Upload individual components (debug)
        uses: actions/upload-artifact@v4
        with:
          name: firmware-components
          path: |
            target/riscv32imc-esp-espidf/release/blackbox
            target/riscv32imc-esp-espidf/release/bootloader.bin
            target/riscv32imc-esp-espidf/release/partition-table.bin

  python-lint:
    name: Python Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Check if Python files exist
        id: check_files
        run: |
          if ls *.py 1> /dev/null 2>&1; then
            echo "files_exist=true" >> $GITHUB_OUTPUT
          else
            echo "files_exist=false" >> $GITHUB_OUTPUT
            echo "⚠️ No Python files found in root - skipping lint"
          fi

      - name: Set up Python
        if: steps.check_files.outputs.files_exist == 'true'
        uses: actions/setup-python@v4
        with:
          python-version: "3.11"

      - name: Install dependencies
        if: steps.check_files.outputs.files_exist == 'true'
        run: |
          python -m pip install --upgrade pip
          pip install flake8 black paho-mqtt

      - name: Lint with flake8
        if: steps.check_files.outputs.files_exist == 'true'
        run: |
          flake8 *.py --count --select=E9,F63,F7,F82 --show-source --statistics
          flake8 *.py --count --exit-zero --max-complexity=10 --max-line-length=100 --statistics

      - name: Check formatting with black
        if: steps.check_files.outputs.files_exist == 'true'
        run: black --check *.py