{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "id": "3.2.1-targTextDirectionValidated.json",
    "assertionType": "must",
    "expectedResult": "valid",
    "onUnexpectedResult" : "failAndContinue",
    "errorMessage": "ERROR: A target or target/source has multiple textDirection key values for a target or source, or a single textDirection key with a value that is not one of ltr, rtl, auto.",
    "title": "If present as a target or target/source property, the **_textDirection_ key** has a **single value** which is **one of 'ltr', 'rtl', 'auto'** - [model 3.2.1](https://www.w3.org/TR/annotation-model/#external-web-resources)",
    "description": "True when no target-level or target/source-level (SR target) textDirection key present or when all textDirection keys have a single value that is one of ltr, rtl, auto (Section 3.2.1)",
    "type": "object",
    "properties":
    {
      "target":
       {
          "oneOf":
          [
            { "$ref": "id.json#/definitions/arraySingleStringUri" },
            { "allOf":
               [
                  { "$ref": "bodyTarget.json#/definitions/textDirectionValidIfPresent" },
                  { "$ref": "specificResource.json#/definitions/sourceWithTextDirection" }
               ]
            },
            {
                "type": "array",
                "minItems": 1,
                "items":
                {
                    "oneOf":
                    [
                        { "$ref": "id.json#/definitions/arraySingleStringUri" },
                        { "allOf":
                           [
                              { "$ref": "bodyTarget.json#/definitions/textDirectionValidIfPresent" },
                              { "$ref": "specificResource.json#/definitions/sourceWithTextDirection" }
                           ]
                        }
                    ]
                }
            }
          ]
       }
   }
}