name: Update HuggingFace datasets

on:
  schedule:
    - cron: '0 6 * * *'
      timezone: 'America/New_York'
  workflow_dispatch:
    inputs:
      target_repo:
        description: 'HuggingFace dataset repo to upload generated parquet files to.'
        required: true
        default: 'RentoSaijo/NHL_DB'
      seasons:
        description: 'Optional comma-separated season IDs, such as 20252026.'
        required: false
        default: ''
      datasets:
        description: 'Optional comma-separated datasets: gc_raw,gc,wsc_raw,wsc,scs,scss.'
        required: false
        default: ''
      dry_run:
        description: 'Generate and validate files without uploading.'
        required: true
        default: 'false'
        type: choice
        options:
          - 'false'
          - 'true'

permissions: read-all

concurrency:
  group: nhl-db-update
  cancel-in-progress: false

jobs:
  update-data:
    runs-on: ubuntu-latest
    timeout-minutes: 360
    env:
      HF_TOKEN: ${{ secrets.HF_TOKEN }}
      TARGET_REPO: ${{ github.event.inputs.target_repo || 'RentoSaijo/NHL_DB' }}
      NHL_DB_OUTPUT_DIR: output
      NHL_DB_HF_SOURCE_REPO: ${{ github.event.inputs.target_repo || 'RentoSaijo/NHL_DB' }}
      NHL_DB_SEASONS: ${{ github.event.inputs.seasons || '' }}
      NHL_DB_DATASETS: ${{ github.event.inputs.datasets || '' }}
      NHL_DB_TIMEZONE: America/New_York
      NHL_DB_DOWNLOAD_TIMEOUT: '3600'
      DRY_RUN: ${{ github.event.inputs.dry_run || 'false' }}

    steps:
      - uses: actions/checkout@v4

      - uses: r-lib/actions/setup-r@v2
        with:
          use-public-rspm: true

      - uses: r-lib/actions/setup-pandoc@v2

      - name: Install R dependencies
        shell: Rscript {0}
        run: |
          install.packages(c('arrow', 'httr2', 'remotes'))
          remotes::install_git(
            'https://github.com/RentoSaijo/nhlscraper.git',
            dependencies = TRUE,
            upgrade = 'never'
          )

      - name: Install HuggingFace CLI
        run: python -m pip install --upgrade 'huggingface_hub[cli]'

      - name: Generate game parquet files
        run: Rscript R/game.R

      - name: Generate event parquet files
        run: Rscript R/event.R

      - name: Validate generated files
        shell: Rscript {0}
        run: |
          files <- list.files(Sys.getenv('NHL_DB_OUTPUT_DIR'), recursive = TRUE, full.names = TRUE)
          bad <- files[grepl('\\.(csv|csv\\.gz)$', files)]
          if (length(bad)) {
            stop('CSV output detected: ', paste(bad, collapse = ', '))
          }
          parquet_files <- files[grepl('\\.parquet$', files)]
          if (!length(parquet_files)) {
            message('No parquet files were generated; nothing to upload.')
            quit(save = 'no')
          }
          invisible(lapply(parquet_files, arrow::read_parquet))

      - name: Upload HuggingFace dataset
        if: env.DRY_RUN != 'true'
        run: |
          test -n "$HF_TOKEN"
          if ! find "$NHL_DB_OUTPUT_DIR" -name '*.parquet' -type f | grep -q .; then
            echo "No parquet files were generated; skipping upload."
            exit 0
          fi
          hf upload-large-folder "$TARGET_REPO" "$NHL_DB_OUTPUT_DIR" \
            --repo-type dataset \
            --include '*.parquet' \
            --token "$HF_TOKEN" \
            --num-workers 4