name: Historical ADS-B Processing

on:
  workflow_dispatch:
    inputs:
      start_date:
        description: 'Start date (YYYY-MM-DD, inclusive)'
        required: true
        type: string
      end_date:
        description: 'End date (YYYY-MM-DD, inclusive)'
        required: true
        type: string
      chunk_days:
        description: 'Days per job chunk (default: 7)'
        required: false
        type: number
        default: 7

jobs:
  generate-matrix:
    runs-on: ubuntu-latest
    outputs:
      chunks: ${{ steps.generate.outputs.chunks }}
      global_start: ${{ inputs.start_date }}
      global_end: ${{ inputs.end_date }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Generate date chunks
        id: generate
        env:
          INPUT_START_DATE: ${{ inputs.start_date }}
          INPUT_END_DATE: ${{ inputs.end_date }}
          INPUT_CHUNK_DAYS: ${{ inputs.chunk_days }}
        run: python src/adsb/historical_generate_matrix.py

  process-chunk:
    needs: generate-matrix
    runs-on: ubuntu-latest
    strategy:
      matrix:
        chunk: ${{ fromJson(needs.generate-matrix.outputs.chunks) }}
      max-parallel: 3
      fail-fast: false
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install polars pyarrow orjson zstandard

      - name: Free disk space
        run: |
          sudo rm -rf /usr/share/dotnet
          sudo rm -rf /opt/ghc
          sudo rm -rf /usr/local/share/boost
          df -h

      - name: Process date range
        env:
          CHUNK_START_DATE: ${{ matrix.chunk.start_date }}
          CHUNK_END_DATE: ${{ matrix.chunk.end_date }}
        working-directory: src/adsb
        run: python historical_process_chunk.py

      - name: Upload chunk artifact
        uses: actions/upload-artifact@v4
        with:
          name: chunk-${{ matrix.chunk.start_date }}-${{ matrix.chunk.end_date }}
          path: data/chunks/*.csv
          retention-days: 1
          if-no-files-found: ignore

  combine-chunks:
    needs: [generate-matrix, process-chunk]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install polars

      - name: Download all chunk artifacts
        uses: actions/download-artifact@v4
        with:
          path: chunks
          pattern: chunk-*
          merge-multiple: true

      - name: List downloaded chunks
        run: |
          echo "Downloaded chunks:"
          find chunks -name "*.csv" -type f 2>/dev/null || echo "No CSV files found"

      - name: Combine chunks
        env:
          GLOBAL_START_DATE: ${{ needs.generate-matrix.outputs.global_start }}
          GLOBAL_END_DATE: ${{ needs.generate-matrix.outputs.global_end }}
        run: python src/adsb/historical_combine_chunks.py

      - name: Upload final artifact
        uses: actions/upload-artifact@v4
        with:
          name: planequery_aircraft_adsb-${{ needs.generate-matrix.outputs.global_start }}-${{ needs.generate-matrix.outputs.global_end }}
          path: data/planequery_aircraft/*.csv
          retention-days: 30