{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schema-validation.apievangelist.com/schema-validation-config-schema.json",
  "title": "Schema Validation Configuration",
  "description": "JSON Schema for configuring schema validation pipelines, including validator selection, rule configuration, and output format.",
  "type": "object",
  "properties": {
    "validator": {
      "type": "string",
      "enum": ["ajv", "hyperjump", "spectral", "openapi-schema-validator", "blaze"],
      "description": "The schema validator to use for validation."
    },
    "schema": {
      "oneOf": [
        { "type": "string", "format": "uri", "description": "URL to JSON Schema or OpenAPI spec file" },
        { "type": "object", "description": "Inline JSON Schema object" }
      ],
      "description": "The schema to validate against."
    },
    "schemaType": {
      "type": "string",
      "enum": ["json-schema", "openapi", "asyncapi", "graphql"],
      "description": "The type/specification of the schema being validated."
    },
    "draft": {
      "type": "string",
      "enum": ["draft-04", "draft-06", "draft-07", "2019-09", "2020-12"],
      "description": "The JSON Schema draft version (for JSON Schema validation)."
    },
    "strictMode": {
      "type": "boolean",
      "default": false,
      "description": "Whether to apply strict validation mode rejecting unknown keywords."
    },
    "coerceTypes": {
      "type": "boolean",
      "default": false,
      "description": "Whether to coerce data types to match schema type constraints."
    },
    "allErrors": {
      "type": "boolean",
      "default": false,
      "description": "Whether to collect all validation errors or stop at the first error."
    },
    "output": {
      "type": "object",
      "description": "Output format configuration.",
      "properties": {
        "format": {
          "type": "string",
          "enum": ["json", "text", "junit", "sarif"],
          "description": "The format for validation output."
        },
        "verbosity": {
          "type": "string",
          "enum": ["error", "warn", "info", "debug"],
          "description": "Verbosity level for validation output."
        }
      }
    },
    "rules": {
      "type": "array",
      "description": "Custom validation rules (Spectral-style rulesets).",
      "items": {
        "$ref": "#/$defs/ValidationRule"
      }
    }
  },
  "$defs": {
    "ValidationRule": {
      "type": "object",
      "required": ["name", "severity", "given", "then"],
      "properties": {
        "name": {
          "type": "string",
          "description": "Unique identifier for the rule."
        },
        "description": {
          "type": "string",
          "description": "Human-readable description of what the rule validates."
        },
        "severity": {
          "type": "string",
          "enum": ["error", "warn", "info", "hint"],
          "description": "The severity level of a rule violation."
        },
        "given": {
          "oneOf": [
            { "type": "string" },
            { "type": "array", "items": { "type": "string" } }
          ],
          "description": "JSONPath expression(s) identifying the target nodes in the document."
        },
        "then": {
          "type": "object",
          "description": "The function and options to apply to the target nodes.",
          "properties": {
            "function": {
              "type": "string",
              "description": "The validation function to apply."
            },
            "functionOptions": {
              "type": "object",
              "description": "Options passed to the validation function.",
              "additionalProperties": true
            }
          }
        }
      }
    }
  }
}