{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://yarramate.org/schema/graph/v2",
  "title": "YarraMate semantic graph v2",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "format",
    "profiles",
    "documents",
    "subjects",
    "claims"
  ],
  "properties": {
    "format": {
      "const": "yarramate/graph/v2"
    },
    "profiles": {
      "type": "array",
      "uniqueItems": true,
      "items": {
        "$ref": "#/$defs/profileIdentity"
      }
    },
    "documents": {
      "type": "array",
      "uniqueItems": true,
      "items": {
        "$ref": "#/$defs/document"
      }
    },
    "subjects": {
      "type": "array",
      "uniqueItems": true,
      "items": {
        "$ref": "#/$defs/subject"
      }
    },
    "claims": {
      "type": "array",
      "uniqueItems": true,
      "items": {
        "$ref": "#/$defs/claim"
      }
    }
  },
  "$defs": {
    "localId": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9]*(?:-[a-z0-9]+)*$"
    },
    "profileIdentity": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9-]*(?:/[a-z][a-z0-9-]*)+@[0-9]+\\.[0-9]+$"
    },
    "subjectIdentity": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9]*(?:-[a-z0-9]+)*$"
    },
    "claimIdentity": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9]*(?:-[a-z0-9]+)*(?:~[a-z][a-z0-9-]*)?$"
    },
    "document": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "source"
      ],
      "properties": {
        "id": {
          "$ref": "#/$defs/localId"
        },
        "source": {
          "type": "string",
          "minLength": 1
        }
      }
    },
    "subject": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "type"
      ],
      "properties": {
        "id": {
          "$ref": "#/$defs/subjectIdentity"
        },
        "type": {
          "enum": [
            "concept",
            "relationship"
          ]
        }
      }
    },
    "claimObject": {
      "oneOf": [
        {
          "type": "object",
          "additionalProperties": false,
          "required": [
            "ref"
          ],
          "properties": {
            "ref": {
              "$ref": "#/$defs/subjectIdentity"
            }
          }
        },
        {
          "type": "object",
          "additionalProperties": false,
          "required": [
            "value"
          ],
          "properties": {
            "value": {
              "type": "string",
              "minLength": 1
            }
          }
        }
      ]
    },
    "source": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "document",
        "path",
        "pointer",
        "line",
        "column"
      ],
      "properties": {
        "document": {
          "$ref": "#/$defs/localId"
        },
        "path": {
          "type": "string",
          "minLength": 1
        },
        "pointer": {
          "type": "string",
          "pattern": "^/"
        },
        "line": {
          "type": "integer",
          "minimum": 1
        },
        "column": {
          "type": "integer",
          "minimum": 1
        }
      }
    },
    "claim": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "id",
        "subject",
        "predicate",
        "object",
        "origin",
        "source"
      ],
      "properties": {
        "id": {
          "$ref": "#/$defs/claimIdentity"
        },
        "subject": {
          "$ref": "#/$defs/subjectIdentity"
        },
        "predicate": {
          "type": "string",
          "pattern": "^\\S+$"
        },
        "object": {
          "$ref": "#/$defs/claimObject"
        },
        "origin": {
          "const": "declared"
        },
        "source": {
          "$ref": "#/$defs/source"
        }
      }
    }
  }
}