name: Build Horizon OC Zeus

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

jobs:
  build:
    runs-on: ubuntu-latest

    # Minimal devkitA64 container, apparently dkp-toolchain isn't needed?
    container:
      image: devkitpro/devkita64:latest

    steps:
      - name: Checkout repository and submodules # why are we doing this? I don't think we use submodules but memory doesn't serve so let's keep it
        uses: actions/checkout@v4
        with:
          submodules: recursive


      # -------------------------------------------------
      # Fix PATH for devkitA64 and devkitARM
      # -------------------------------------------------
      - name: Set devkitPro PATH
        run: |
          echo "DEVKITPRO=/opt/devkitpro" >> $GITHUB_ENV
          echo "DEVKITA64=/opt/devkitpro/devkitA64" >> $GITHUB_ENV
          echo "DEVKITARM=/opt/devkitpro/devkitARM" >> $GITHUB_ENV
          echo "PATH=/opt/devkitpro/devkitA64/bin:/opt/devkitpro/devkitARM/bin:$PATH" >> $GITHUB_ENV
        shell: bash

      - name: I do not know why this doesn't work on the previous part
        run: |
          aarch64-none-elf-gcc --version
          arm-none-eabi-gcc --version
        shell: bash # is this even needed? but for consistency let's keep using it

      - name: Install ccache
        run: |
          apt-get update
          apt-get install -y ccache
        shell: bash

      # -------------------------------------------------
      # Get short commit SHA
      # -------------------------------------------------
      - name: Set commit SHA
        id: vars
        run: echo "SHORT_SHA=$(echo $GITHUB_SHA | cut -c1-7)" >> $GITHUB_ENV

      # -------------------------------------------------
      # Clone Atmosphère
      # -------------------------------------------------
      - name: Clone Atmosphere
        run: git clone https://github.com/Atmosphere-NX/Atmosphere.git atmosphere -b $(cat ams_ver.txt)

      # -------------------------------------------------
      # Clone Horizon OC (develop branch) kinda suspicious for now, shouldn't it just already be cloned on the actions runner?
      # -------------------------------------------------
      #- name: Clone Horizon OC
      #  run: git clone -b develop --single-branch https://github.com/Horizon-OC/Horizon-OC.git horizon-oc

      # -------------------------------------------------
      # Prepare build folder
      # -------------------------------------------------
      - name: Prepare build folder
        run: |
          mkdir -p build
          cp -r atmosphere/* build/

      # -------------------------------------------------
      # Override loader source
      # -------------------------------------------------
      - name: Override ldr_process_creation.cpp
        run: |
          cp -f Source/Atmosphere/stratosphere/loader/source/ldr_process_creation.cpp \
            build/stratosphere/loader/source/ldr_process_creation.cpp

      # -------------------------------------------------
      # Build Horizon OC Zeus (trying ccache, directly invoking make instead, hacky)
      # -------------------------------------------------
      #- name: Build Horizon OC Zeus
      #  working-directory: horizon-oc
      #  run: |
      #    chmod +x build.sh
      #    ./build.sh
      - name: Cache ccache
        uses: actions/cache@v4
        with:
          path: /root/.cache/ccache
          key: ccache-${{ runner.os }}-devkitpro-${{ hashFiles('**/Makefile', '**/*.mk') }}
          restore-keys: |
            ccache-${{ runner.os }}-devkitpro-

      - name: Configure ccache
        run: |
          export CCACHE_DIR=/root/.cache/ccache
          echo "CCACHE_DIR=/root/.cache/ccache" >> $GITHUB_ENV
          ccache --set-config=max_size=10G
          ccache --set-config=compiler_check=content
          ccache --zero-stats

      - name: Build (try)
        working-directory: build/stratosphere/loader
        run: | # I forgot what dkp uses
          export CC="ccache aarch64-none-elf-gcc"
          export CXX="ccache aarch64-none-elf-g++"
          make -j$(($(nproc) * 2)) CXX="ccache aarch64-none-elf-g++" CC="ccache aarch64-none-elf-gcc"
          hactool -t kip1 out/nintendo_nx_arm64_armv8a/release/loader.kip --uncompress=hoc.kip
          cp build/stratosphere/loader/hoc.kip dist/atmosphere/kips/hoc.kip
         
      - name: ccache stats
        run: ccache --show-stats


      # -------------------------------------------------
      # Package dist folder as ZIP with commit SHA
      # -------------------------------------------------
      - name: Package dist
        # working-directory: horizon-oc
        run: |
          ZIP_NAME="horizon-oc-zeus-dist-${SHORT_SHA}.zip"
          zip -r "$ZIP_NAME" dist
          echo "ZIP_NAME=$ZIP_NAME" >> $GITHUB_ENV

      # -------------------------------------------------
      # Upload ZIP artifact
      # -------------------------------------------------
      - name: Upload build artifact
        uses: actions/upload-artifact@v4
        with:
          name: horizon-oc-zeus-dist
          path: horizon-oc/${{ env.ZIP_NAME }}