{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/stormforge/json-schema/stormforge-recommendation-schema.json",
  "title": "StormForge Recommendation",
  "description": "Schema for a StormForge Kubernetes workload resource optimization recommendation. Contains suggested CPU and memory request and limit values for containers in a workload, along with predicted impact metrics.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for this recommendation"
    },
    "clusterName": {
      "type": "string",
      "description": "Name of the Kubernetes cluster containing the workload"
    },
    "namespace": {
      "type": "string",
      "description": "Kubernetes namespace containing the workload"
    },
    "workloadName": {
      "type": "string",
      "description": "Name of the Kubernetes workload (Deployment, StatefulSet, etc.)"
    },
    "workloadKind": {
      "type": "string",
      "enum": ["Deployment", "StatefulSet", "DaemonSet", "ReplicaSet", "ReplicationController"],
      "description": "Kubernetes resource kind of the workload"
    },
    "containers": {
      "type": "array",
      "description": "Container-level resource recommendations",
      "items": {
        "$ref": "#/$defs/ContainerRecommendation"
      }
    },
    "impact": {
      "$ref": "#/$defs/ImpactMetrics"
    },
    "hpa": {
      "$ref": "#/$defs/HPARecommendation"
    },
    "status": {
      "type": "string",
      "enum": ["pending", "approved", "applied", "dismissed", "expired"],
      "description": "Current status of the recommendation"
    },
    "createdAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when this recommendation was generated"
    },
    "appliedAt": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when this recommendation was applied"
    }
  },
  "required": ["clusterName", "namespace", "workloadName", "workloadKind", "containers"],
  "$defs": {
    "ResourceQuantity": {
      "type": "string",
      "description": "Kubernetes resource quantity. CPU in millicores (e.g. '100m', '1') or memory in bytes with suffix (e.g. '256Mi', '1Gi')"
    },
    "ContainerRecommendation": {
      "type": "object",
      "description": "Resource recommendations for a single container",
      "required": ["containerName"],
      "properties": {
        "containerName": {
          "type": "string",
          "description": "Name of the container within the pod spec"
        },
        "requests": {
          "type": "object",
          "description": "Recommended resource requests",
          "properties": {
            "cpu": { "$ref": "#/$defs/ResourceQuantity" },
            "memory": { "$ref": "#/$defs/ResourceQuantity" }
          }
        },
        "limits": {
          "type": "object",
          "description": "Recommended resource limits",
          "properties": {
            "cpu": { "$ref": "#/$defs/ResourceQuantity" },
            "memory": { "$ref": "#/$defs/ResourceQuantity" }
          }
        },
        "current": {
          "type": "object",
          "description": "Current resource configuration for comparison",
          "properties": {
            "requests": {
              "type": "object",
              "properties": {
                "cpu": { "$ref": "#/$defs/ResourceQuantity" },
                "memory": { "$ref": "#/$defs/ResourceQuantity" }
              }
            },
            "limits": {
              "type": "object",
              "properties": {
                "cpu": { "$ref": "#/$defs/ResourceQuantity" },
                "memory": { "$ref": "#/$defs/ResourceQuantity" }
              }
            }
          }
        }
      }
    },
    "ImpactMetrics": {
      "type": "object",
      "description": "Projected cost and performance impact of applying the recommendation",
      "properties": {
        "cpuSavingsPercent": {
          "type": "number",
          "description": "Projected percentage reduction in CPU resource requests"
        },
        "memorySavingsPercent": {
          "type": "number",
          "description": "Projected percentage reduction in memory resource requests"
        },
        "estimatedMonthlySavingsUSD": {
          "type": "number",
          "description": "Estimated monthly cost savings in US dollars"
        },
        "riskLevel": {
          "type": "string",
          "enum": ["low", "medium", "high"],
          "description": "Risk level of applying this recommendation based on historical usage patterns"
        }
      }
    },
    "HPARecommendation": {
      "type": "object",
      "description": "Horizontal Pod Autoscaler configuration recommendation",
      "properties": {
        "minReplicas": {
          "type": "integer",
          "description": "Recommended minimum replica count"
        },
        "maxReplicas": {
          "type": "integer",
          "description": "Recommended maximum replica count"
        },
        "targetCPUUtilizationPercentage": {
          "type": "integer",
          "description": "Recommended target CPU utilization percentage for HPA scaling"
        }
      }
    }
  }
}