name: upload-itch
description: "installs Butler, and uploads to itch.io!"

inputs:
  butler-key:
    description: "Butler API secret key"
    required: true
  itch-repo:
    description: "Where to upload the game to"
    required: true
    default: "ninja-muffin24/funkin-secret"
  build-dir:
    description: "Directory of the game build"
    required: false
  target:
    description: "Target (html5, windows, linux, macos)"
    required: true

runs:
  using: "composite"
  steps:

  # RUNNER_OS = Windows | macOS | Linux
  # TARGET_BUILD = windows | macos | linux
  # TARGET_ITCH = win | macos | linux
  # TARGET_BUTLER_DOWNLOAD = windows-amd64 | darwin-amd64 | linux-amd64
  - name: Setup variables
    shell: bash
    run: |
      TARGET_OS=${{ inputs.target }}
      RUNNER=${RUNNER_OS@L}
      TARGET=${TARGET_OS@L}
      case "$TARGET" in
        "windows")
          TARGET_ITCH=win
          ;;
        *)
          TARGET_ITCH=$TARGET
          ;;
      esac
      case "$RUNNER" in
        "macos")
          OS_NODE=darwin
          ;;
        *)
          OS_NODE=$RUNNER
          ;;
      esac
      BUTLER_PATH=$RUNNER_TEMP/butler

      echo BUILD_DIR="export/release/$TARGET/bin" >> "$GITHUB_ENV"
      echo ITCH_TAG=${{ inputs.itch-repo }}:$TARGET_ITCH-$GITHUB_REF_NAME >> "$GITHUB_ENV"
      echo OS_AND_ARCH=$OS_NODE-amd64 >> "$GITHUB_ENV"
      echo BUTLER_API_KEY=${{ inputs.butler-key }} >> "$GITHUB_ENV"
      echo BUTLER_INSTALL_PATH=$BUTLER_PATH >> "$GITHUB_ENV"
      echo TIMER_BUTLER=$(date +%s) >> "$GITHUB_ENV"
      echo TARGET_ITCH=$TARGET_ITCH >> "$GITHUB_ENV"

      echo "$BUTLER_PATH" >> "$GITHUB_PATH"

  - name: Get latest butler version
    shell: bash
    run: |
      LATEST=$(curl -sfL https://broth.itch.ovh/butler/$OS_AND_ARCH/LATEST)
      echo BUTLER_LATEST=$LATEST >> "$GITHUB_ENV"

      command -v butler \
        && echo BUTLER_CURRENT=$(butler -V 2>&1 | cut -d ',' -f 1) >> "$GITHUB_ENV" \
        || echo BUTLER_CURRENT=none >> "$GITHUB_ENV"

  - name: Try to get butler from cache
    id: cache-butler
    uses: actions/cache@v4
    with:
      path: ${{ env.BUTLER_INSTALL_PATH }}
      key: butler-${{ runner.os }}-${{ env.BUTLER_LATEST }}

  - if: steps.cache-butler.outputs.cache-hit == 'true'
    name: Make sure butler is executable
    shell: bash
    run: |
      chmod +x $BUTLER_INSTALL_PATH/butler

  - if: steps.cache-butler.outputs.cache-hit != 'true'
    name: Install butler
    shell: bash
    run: |
      mkdir -p $BUTLER_INSTALL_PATH
      cd $BUTLER_INSTALL_PATH

      curl -L -o butler.zip https://broth.itch.ovh/butler/$OS_AND_ARCH/LATEST/archive/default
      unzip butler.zip
      chmod +x butler

  - name: Upload game to itch.io
    shell: bash
    run: |
      echo "TIMER_UPLOAD=$(date +%s)" >> "$GITHUB_ENV"
      butler login
      butler push $BUILD_DIR $ITCH_TAG
      echo "TIMER_DONE=$(date +%s)" >> "$GITHUB_ENV"

  - name: Print debug info
    shell: bash
    run: |
      cat << EOF
      butler:
        version: $(
          if [[ "$BUTLER_CURRENT" == "$BUTLER_LATEST" ]]
          then
            echo $BUTLER_CURRENT
          else
            echo $BUTLER_CURRENT -> $BUTLER_LATEST
          fi
        )
        install:
          took: $(($TIMER_UPLOAD-$TIMER_BUTLER))s
        upload:
          tag: $TARGET_ITCH/$GITHUB_REF_NAME
          took: $(($TIMER_DONE-$TIMER_UPLOAD))s
      EOF
      cat << EOF >> "$GITHUB_STEP_SUMMARY"
      ### open in launcher: [$TARGET_ITCH/$GITHUB_REF_NAME](https://run.funkin.me/$TARGET_ITCH/$GITHUB_REF_NAME)
      EOF