name: Build

on:
  push:
    branches:
      - main

jobs:
  build-left:
    runs-on: ubuntu-latest
    container:
      image: zmkfirmware/zmk-build-arm:stable
    steps:
      - name: Setup
        run: |
          apt-get update;
          apt-get install --yes --no-install-recommends nodejs zstd zip
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Compute hash for west modules
        id: hash-west
        run: |
          HASH=$(find . -name 'build.yml' -o -name 'west.yml' -exec sha256sum {} \; | sort | sha256sum | head -c 64)
          echo "hash=$HASH" >> "$GITHUB_OUTPUT"
      - name: Cache west modules
        uses: actions/cache@v4
        with:
          path: |
            modules/
            tools/
            zephyr/
            bootloader/
          key: ${{ runner.os }}-build-left-${{ steps.hash-west.outputs.hash }}
      - name: Initialize and update West
        run: |
          west init -l config
          west update
          west zephyr-export
      - name: Build Firmware (Left)
        run: west build -s zmk/app -b nice_nano_v2 -- -DSHIELD=cradio_left -DZMK_CONFIG="${GITHUB_WORKSPACE}/config"
      - name: Rename and upload artifact (Left)
        run: mv build/zephyr/zmk.uf2 cradio_left_nice_nano_v2.uf2
      - uses: actions/upload-artifact@v4
        with:
          path: cradio_left_nice_nano_v2.uf2
          name: left

  build-right:
    runs-on: ubuntu-latest
    container:
      image: zmkfirmware/zmk-build-arm:stable
    steps:
      - name: Setup
        run: |
          apt-get update;
          apt-get install --yes --no-install-recommends nodejs zstd zip
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Compute hash for west modules
        id: hash-west
        run: |
          HASH=$(find . -name 'build.yml' -o -name 'west.yml' -exec sha256sum {} \; | sort | sha256sum | head -c 64)
          echo "hash=$HASH" >> "$GITHUB_OUTPUT"
      - name: Cache west modules
        uses: actions/cache@v4
        with:
          path: |
            modules/
            tools/
            zephyr/
            bootloader/
          key: ${{ runner.os }}-build-right-${{ steps.hash-west.outputs.hash }}
      - name: Initialize and update West
        run: |
          west init -l config
          west update
          west zephyr-export
      - name: Build Firmware (Right)
        run: west build --pristine -s zmk/app -b nice_nano_v2 -- -DSHIELD=cradio_right -DZMK_CONFIG="${GITHUB_WORKSPACE}/config"
      - name: Rename and upload artifact (Right)
        run: mv build/zephyr/zmk.uf2 cradio_right_nice_nano_v2.uf2
      - uses: actions/upload-artifact@v4
        with:
          path: cradio_right_nice_nano_v2.uf2
          name: right

  combine:
    needs:
      - build-left
      - build-right
    runs-on: ubuntu-latest
    container:
      image: zmkfirmware/zmk-build-arm:stable
    steps:
      - name: Setup
        run: |
          apt-get update;
          apt-get install --yes --no-install-recommends nodejs zip
      - name: Download artifacts
        uses: actions/download-artifact@v4
        with:
          name: left
          path: firmware/
      - uses: actions/download-artifact@v4
        with:
          name: right
          path: firmware/
      - name: Upload combined firmware artifacts
        uses: actions/upload-artifact@v4
        with:
          path: firmware/
          name: firmware