name: Process Historical FAA Data

on:
  workflow_dispatch:  # Manual trigger

jobs:
  generate-matrix:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Generate date ranges
        id: set-matrix
        run: |
          python3 << 'EOF'
          import json
          from datetime import datetime, timedelta
          
          start = datetime(2023, 8, 16)
          end = datetime(2026, 1, 1)
          
          ranges = []
          current = start
          
          while current < end:
            # Start of current month
            month_start = current
            # Calculate next month (handle year rollover)
            if current.month == 12:
              month_end = datetime(current.year + 1, 1, 1)
            else:
              month_end = datetime(current.year, current.month + 1, 1)
            # Don't go past the end date
            if month_end > end:
              month_end = end
            
            ranges.append({
              "since": month_start.strftime("%Y-%m-%d"),
              "until": month_end.strftime("%Y-%m-%d")
            })
            
            current = month_end
          
          print(f"::set-output name=matrix::{json.dumps(ranges)}")
          EOF

  process-chunk:
    needs: generate-matrix
    runs-on: ubuntu-latest
    strategy:
      max-parallel: 5  # Process 5 chunks at a time
      matrix:
        range: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'
      
      - name: Install dependencies
        run: |
          pip install -r requirements.txt
      
      - name: Process chunk ${{ matrix.range.since }} to ${{ matrix.range.until }}
        run: |
          python src/get_historical_faa.py "${{ matrix.range.since }}" "${{ matrix.range.until }}"
      
      - name: Upload CSV artifact
        uses: actions/upload-artifact@v4
        with:
          name: csv-${{ matrix.range.since }}-to-${{ matrix.range.until }}
          path: data/faa_releasable_historical/*.csv
          retention-days: 1

  create-release:
    needs: process-chunk
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts
      
      - name: Prepare release files
        run: |
          mkdir -p release-files
          find artifacts -name "*.csv" -exec cp {} release-files/ \;
          ls -lh release-files/
      
      - name: Create Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: historical-faa-${{ github.run_number }}
          name: Historical FAA Data Release ${{ github.run_number }}
          body: |
            Automated release of historical FAA aircraft data
            Processing period: 2023-08-16 to 2026-01-01
            Generated: ${{ github.event.repository.updated_at }}
          files: release-files/*.csv
          draft: false
          prerelease: false