name: Push Grafana Dashboard

on:
  workflow_call:
    inputs:
      dashboard_file:
        description: 'Path to the dashboard JSON file in the repository'
        required: true
        type: string
      folder_uid:
        description: 'The UID of the folder where the dashboard should be placed'
        required: false
        type: string
        default: ''
      overwrite:
        description: 'Whether to overwrite an existing dashboard'
        required: false
        type: boolean
        default: true
    secrets:
      grafana_token:
        description: 'Grafana API Token or Service Account token'
        required: true

jobs:
  push-dashboard:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Validate dashboard file exists
        run: |
          if [ ! -f "${{ inputs.dashboard_file }}" ]; then
            echo "Error: Dashboard file '${{ inputs.dashboard_file }}' not found."
            exit 1
          fi

      - name: Push dashboard to Grafana
        run: |
          DASHBOARD_JSON=$(cat "${{ inputs.dashboard_file }}")
          
          # Construct the payload using jq
          PAYLOAD=$(echo "$DASHBOARD_JSON" | jq -n \
            --argjson dash "$DASHBOARD_JSON" \
            --arg folder_uid "${{ inputs.folder_uid }}" \
            --argjson overwrite "${{ inputs.overwrite }}" \
            '{
              dashboard: $dash,
              folderUid: $folder_uid,
              overwrite: $overwrite
            }')

          # Push to Grafana API
          curl -s -X POST \
            -H "Authorization: Bearer ${{ secrets.grafana_token }}" \
            -H "Content-Type: application/json" \
            -d "$PAYLOAD" \
            "http://grafana.local.chromart.cc/api/dashboards/db" | jq .