{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://github.com/api-evangelist/ternary/blob/main/json-schema/ternary-budget-schema.json",
  "title": "Ternary Cloud Cost Budget",
  "description": "Schema for a cloud cost budget in the Ternary FinOps platform, including spend targets, current spend, and alert thresholds.",
  "type": "object",
  "required": ["id", "name", "amount", "period"],
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the budget"
    },
    "name": {
      "type": "string",
      "description": "Human-readable name for the budget"
    },
    "description": {
      "type": "string",
      "description": "Optional description of what this budget covers"
    },
    "amount": {
      "type": "number",
      "description": "Budget amount in USD",
      "minimum": 0
    },
    "period": {
      "type": "string",
      "description": "Budget period - how often the budget resets",
      "enum": ["monthly", "quarterly", "annual"]
    },
    "cloud_provider": {
      "type": "string",
      "description": "Cloud provider scope for this budget",
      "enum": ["gcp", "aws", "azure", "oci", "all"]
    },
    "current_spend": {
      "type": "number",
      "description": "Current period spend against this budget in USD",
      "minimum": 0
    },
    "forecasted_spend": {
      "type": "number",
      "description": "ML-forecasted spend for the current period in USD",
      "minimum": 0
    },
    "alert_thresholds": {
      "type": "array",
      "description": "List of budget threshold percentages that trigger alerts (e.g., [50, 80, 100])",
      "items": {
        "type": "number",
        "minimum": 0,
        "maximum": 200
      }
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp when the budget was created"
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp when the budget was last updated"
    }
  },
  "examples": [
    {
      "id": "bud_xyz789",
      "name": "Production GCP Budget",
      "description": "Monthly budget for production GCP environment",
      "amount": 50000.00,
      "period": "monthly",
      "cloud_provider": "gcp",
      "current_spend": 32500.00,
      "forecasted_spend": 48200.00,
      "alert_thresholds": [50, 80, 100],
      "created_at": "2026-01-01T00:00:00Z",
      "updated_at": "2026-05-01T00:00:00Z"
    }
  ]
}