{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.aep.foundation/schemas/service-documents.schema.json",
  "title": "AEP Service Documents Extension Members",
  "$comment": "Compose with the relevant core wire schema. Descriptor ID and representation media-type uniqueness require semantic validation.",
  "type": "object",
  "additionalProperties": true,
  "properties": {
    "service_documents": {
      "type": "array",
      "minItems": 1,
      "maxItems": 7,
      "items": {
        "$ref": "#/$defs/descriptor"
      }
    },
    "acknowledged_document_ids": {
      "$ref": "#/$defs/ids"
    },
    "required_document_ids": {
      "allOf": [
        {
          "$ref": "#/$defs/ids"
        },
        {
          "minItems": 1
        }
      ]
    }
  },
  "allOf": [
    {
      "if": {
        "required": [
          "service_documents"
        ]
      },
      "then": {
        "required": [
          "extensions"
        ],
        "properties": {
          "extensions": {
            "type": "object",
            "required": [
              "supported"
            ],
            "properties": {
              "supported": {
                "type": "array",
                "contains": {
                  "const": "urn:aep:ext:aep-foundation:service-documents#v=1.0.0"
                }
              }
            }
          }
        }
      }
    },
    {
      "if": {
        "required": [
          "required_document_ids"
        ]
      },
      "then": {
        "required": [
          "code",
          "status",
          "requirements_pending"
        ],
        "properties": {
          "code": {
            "const": "requirements_unmet"
          },
          "status": {
            "const": 422
          },
          "requirements_pending": {
            "type": "array",
            "contains": {
              "const": "service_documents"
            }
          }
        }
      }
    },
    {
      "if": {
        "required": [
          "code",
          "requirements_pending"
        ],
        "properties": {
          "code": {
            "const": "requirements_unmet"
          },
          "requirements_pending": {
            "type": "array",
            "contains": {
              "const": "service_documents"
            }
          }
        }
      },
      "then": {
        "required": [
          "required_document_ids"
        ]
      }
    }
  ],
  "$defs": {
    "id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 32,
      "pattern": "^[A-Za-z0-9][A-Za-z0-9._-]*$",
      "not": {
        "pattern": "[^A-Za-z0-9._-]"
      }
    },
    "ids": {
      "type": "array",
      "maxItems": 7,
      "uniqueItems": true,
      "items": {
        "$ref": "#/$defs/id"
      }
    },
    "representation": {
      "type": "object",
      "required": [
        "media_type",
        "url"
      ],
      "additionalProperties": true,
      "properties": {
        "media_type": {
          "type": "string",
          "pattern": "^[a-z0-9!#$&^_.+-]+/[a-z0-9!#$&^_.+-]+$",
          "not": {
            "pattern": "\\s"
          }
        },
        "url": {
          "type": "string",
          "maxLength": 2048,
          "format": "uri",
          "pattern": "^(?:https:\\/\\/[^/@?#\\\\\\s]+|http:\\/\\/(?:localhost|127\\.0\\.0\\.1|\\[::1\\])(?::[0-9]+)?)(?:[/?#][^\\\\\\s]*)?$"
        }
      }
    },
    "descriptor": {
      "type": "object",
      "required": [
        "id",
        "type",
        "title",
        "enrollment",
        "representations"
      ],
      "additionalProperties": true,
      "properties": {
        "id": {
          "$ref": "#/$defs/id"
        },
        "type": {
          "type": "string",
          "minLength": 1,
          "maxLength": 64,
          "pattern": "^[a-z][a-z0-9_]*$",
          "not": {
            "pattern": "[^a-z0-9_]"
          }
        },
        "title": {
          "type": "string",
          "minLength": 1,
          "maxLength": 256
        },
        "enrollment": {
          "enum": [
            "required",
            "not-required"
          ]
        },
        "representations": {
          "type": "array",
          "minItems": 1,
          "maxItems": 8,
          "items": {
            "$ref": "#/$defs/representation"
          },
          "contains": {
            "type": "object",
            "required": [
              "media_type"
            ],
            "properties": {
              "media_type": {
                "const": "text/html"
              }
            }
          },
          "minContains": 1,
          "maxContains": 1
        }
      }
    }
  }
}