{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://staplescience.com/schemas/marker-template/semantic/v1/semantics.schema.json",
  "title": "MARKER Semantic V1 Component",
  "description": "The Semantic V1 component of a MARKER Core V1 template package. Cross-component field resolution, type compatibility, node ownership, and mapping coverage are validated separately.",
  "type": "object",
  "additionalProperties": false,
  "required": ["bindings"],
  "properties": {
    "root": {
      "$ref": "#/$defs/root"
    },
    "bindings": {
      "type": "array",
      "uniqueItems": true,
      "items": {
        "$ref": "#/$defs/binding"
      }
    }
  },
  "anyOf": [
    {
      "properties": {
        "root": true
      },
      "required": ["root"]
    },
    {
      "properties": {
        "bindings": {
          "type": "array",
          "minItems": 1
        }
      }
    }
  ],
  "$defs": {
    "absoluteIri": {
      "type": "string",
      "minLength": 1,
      "pattern": "^[A-Za-z][A-Za-z0-9+.-]*:",
      "description": "A lexical absolute-IRI candidate. Full absolute-IRI validation is a Semantic V1 component-validation rule."
    },
    "fieldPointer": {
      "type": "string",
      "minLength": 1,
      "pattern": "^/",
      "description": "An RFC 6901 field-pointer candidate rooted at form.schema. Resolution is a Semantic V1 cross-component rule."
    },
    "root": {
      "type": "object",
      "additionalProperties": false,
      "required": ["classIri"],
      "properties": {
        "classIri": {
          "$ref": "#/$defs/absoluteIri"
        }
      }
    },
    "bindingBase": {
      "type": "object",
      "required": ["fieldPointer", "predicate", "valueKind"],
      "properties": {
        "fieldPointer": {
          "$ref": "#/$defs/fieldPointer"
        },
        "parentNodePointer": {
          "$ref": "#/$defs/fieldPointer"
        },
        "predicate": {
          "$ref": "#/$defs/absoluteIri"
        },
        "valueKind": {
          "enum": ["literal", "iri", "node"]
        }
      }
    },
    "literalBinding": {
      "type": "object",
      "allOf": [
        {
          "$ref": "#/$defs/bindingBase"
        },
        {
          "type": "object",
          "properties": {
            "valueKind": {
              "const": "literal"
            },
            "datatypeIri": {
              "$ref": "#/$defs/absoluteIri"
            },
            "language": {
              "type": "string",
              "minLength": 1,
              "pattern": "^[A-Za-z0-9]+(-[A-Za-z0-9]+)*$",
              "description": "A lexical BCP 47 candidate. Full structural validation is a Semantic V1 component-validation rule."
            }
          },
          "not": {
            "properties": {
              "datatypeIri": true,
              "language": true
            },
            "required": ["datatypeIri", "language"]
          }
        }
      ],
      "unevaluatedProperties": false
    },
    "iriBinding": {
      "type": "object",
      "allOf": [
        {
          "$ref": "#/$defs/bindingBase"
        },
        {
          "type": "object",
          "properties": {
            "valueKind": {
              "const": "iri"
            },
            "valueMappings": {
              "type": "array",
              "minItems": 1,
              "uniqueItems": true,
              "items": {
                "$ref": "#/$defs/valueMapping"
              }
            }
          }
        }
      ],
      "unevaluatedProperties": false
    },
    "nodeBinding": {
      "type": "object",
      "allOf": [
        {
          "$ref": "#/$defs/bindingBase"
        },
        {
          "type": "object",
          "properties": {
            "valueKind": {
              "const": "node"
            },
            "classIri": {
              "$ref": "#/$defs/absoluteIri"
            }
          }
        }
      ],
      "unevaluatedProperties": false
    },
    "valueMapping": {
      "type": "object",
      "additionalProperties": false,
      "required": ["value", "iri"],
      "properties": {
        "value": {
          "oneOf": [
            {
              "type": "string"
            },
            {
              "type": "number"
            },
            {
              "type": "boolean"
            }
          ]
        },
        "iri": {
          "$ref": "#/$defs/absoluteIri"
        }
      }
    },
    "binding": {
      "description": "Dispatches on valueKind so an invalid binding is checked against its one intended kind-specific shape instead of accumulating unrelated failures from the other two kinds.",
      "if": {
        "type": "object",
        "properties": {
          "valueKind": {
            "const": "literal"
          }
        },
        "required": ["valueKind"]
      },
      "then": {
        "$ref": "#/$defs/literalBinding"
      },
      "else": {
        "if": {
          "type": "object",
          "properties": {
            "valueKind": {
              "const": "node"
            }
          },
          "required": ["valueKind"]
        },
        "then": {
          "$ref": "#/$defs/nodeBinding"
        },
        "else": {
          "$ref": "#/$defs/iriBinding"
        }
      }
    }
  }
}