name: macOS Disk Space Cleanup

# Description:
# This workflow runs the disk space reclaimer on macOS runners every night
# and logs disk space metrics to Datadog for monitoring.

on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:

permissions: {}

jobs:
  macos-disk-cleanup:
    strategy:
      fail-fast: false
      matrix:
        runner:
          - macos-15
          - macos-15-large
          - macos-15-xlarge
    runs-on: ${{ matrix.runner }}
    permissions:
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
        with:
          sparse-checkout: |
            .github/actions/free-space-macos
          sparse-checkout-cone-mode: false

      - name: Get Disk Space Before Cleanup
        id: disk-before
        shell: bash
        run: |
          echo "Disk space before cleanup:"
          df -h /
          FREE_SPACE_BEFORE=$(df -k / | tail -1 | awk '{print $4}')
          echo "free_kb=$FREE_SPACE_BEFORE" >> $GITHUB_OUTPUT

      - name: Free Space on macOS
        uses: ./.github/actions/free-space-macos

      - name: Get Disk Space After Cleanup
        id: disk-after
        shell: bash
        run: |
          echo "Disk space after cleanup:"
          df -h /
          FREE_SPACE_AFTER=$(df -k / | tail -1 | awk '{print $4}')
          echo "free_kb=$FREE_SPACE_AFTER" >> $GITHUB_OUTPUT

      - name: Log Disk Space to Datadog
        if: ${{ env.DD_API_KEY != '' }}
        shell: bash
        env:
          DD_API_KEY: ${{ secrets.DD_API_KEY }}
          FREE_BEFORE: ${{ steps.disk-before.outputs.free_kb }}
          FREE_AFTER: ${{ steps.disk-after.outputs.free_kb }}
          MATRIX_RUNNER: ${{ matrix.runner }}
        run: |
          TIMESTAMP=$(date +%s)
          FREE_BEFORE_GB=$(echo "scale=2; $FREE_BEFORE / 1024 / 1024" | bc)
          FREE_AFTER_GB=$(echo "scale=2; $FREE_AFTER / 1024 / 1024" | bc)
          SPACE_FREED_GB=$(echo "scale=2; ($FREE_AFTER - $FREE_BEFORE) / 1024 / 1024" | bc)

          echo "Free space before: ${FREE_BEFORE_GB}GB"
          echo "Free space after: ${FREE_AFTER_GB}GB"
          echo "Space freed: ${SPACE_FREED_GB}GB"

          curl -s -X POST "https://api.datadoghq.com/api/v2/series" \
            -H "Content-Type: application/json" \
            -H "DD-API-KEY: ${DD_API_KEY}" \
            -d @- << EOF
          {
            "series": [
              {
                "metric": "electron.macos.disk.free_space_before_cleanup_gb",
                "points": [{"timestamp": ${TIMESTAMP}, "value": ${FREE_BEFORE_GB}}],
                "type": 3,
                "unit": "gigabyte",
                "tags": ["runner:${MATRIX_RUNNER}", "platform:macos"]
              },
              {
                "metric": "electron.macos.disk.free_space_after_cleanup_gb",
                "points": [{"timestamp": ${TIMESTAMP}, "value": ${FREE_AFTER_GB}}],
                "type": 3,
                "unit": "gigabyte",
                "tags": ["runner:${MATRIX_RUNNER}", "platform:macos"]
              },
              {
                "metric": "electron.macos.disk.space_freed_gb",
                "points": [{"timestamp": ${TIMESTAMP}, "value": ${SPACE_FREED_GB}}],
                "type": 3,
                "unit": "gigabyte",
                "tags": ["runner:${MATRIX_RUNNER}", "platform:macos"]
              }
            ]
          }
          EOF

          echo "Disk space metrics logged to Datadog"