{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://ahaywardtvuk.github.io/osc-prov/v0.0.1/schema.json#",
  "title": "OSC Provenance Extension",
  "description": "An experimental extension to demonstrate how provenance information might be added to the EarthCODE Open Science Catalogue based on examples from OSPD. This is quickly thrown together to get our OSPD examples to validate in OSC and is not in a final state",
  "oneOf": [
    {
      "$ref": "#/$defs/workflow"
    },
    {
      "$ref": "#/$defs/experiment"
    },
    {
      "$ref": "#/$defs/product"
    },
    {
      "$ref": "#/$defs/project"
    }
  ],
  "$defs": {
    "project": {
      "$comment": "A Project is a STAC Collection and, in provenance terms, a non-Workflow Activity.",
      "type": "object",
      "allOf": [
        {
          "required": [
            "type",
            "osc-prov:type",
            "osc-prov:generated"
          ],
          "properties": {
            "type": {
              "const": "Collection"
            },
            "osc-prov:type": {
              "type": "array",
              "items": {
                "type": "string"
              },
              "contains": {
                "const": "Activity"
              }
            },
            "osc-prov:generated": {
              "type": "array",
              "items": {
                "type": "string",
                "format": "uri"
              }
            }
          }
        },
        {
          "$ref": "#/$defs/stac_extensions"
        }
      ]
    },
    "workflow": {
      "$comment": "This is an example schema for a workflow record that extends the GeoDCAT-AP OGC API Records schema and includes provenance information.",
      "allOf": [
        {
          "$ref": "https://ogcincubator.github.io/geodcat-ogcapi-records/build/annotated/geo/geodcat/geodcat-records/schema.json"
        },
        {
          "$ref": "#/$defs/conformsTo"
        }
      ],
      "properties": {
        "properties": {
          "type": "object",
          "required": [
            "type",
            "osc-prov:type"
          ],
          "properties": {
            "type": {
              "const": "workflow"
            },
            "osc-prov:type": {
              "type": "array",
              "items": {
                "type": "string"
              },
              "contains": {
                "const": "Workflow"
              }
            },
            "osc-prov:hasInput": {
              "type": "object",
              "additionalProperties": {
                "type": "object",
                "$ref": "https://ogcincubator.github.io/bblocks-ogcapi-processes/build/annotated/api/processes/v1/schemas/inputDescription/schema.json"
              }
            },
            "osc-prov:hasOutput": {
              "type": "object",
              "additionalProperties": {
                "type": "object",
                "$ref": "https://ogcincubator.github.io/bblocks-ogcapi-processes/build/annotated/api/processes/v1/schemas/outputDescription/schema.json"
              }
            },
            "osc-prov:has_provenance": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#Prov",
              "x-jsonld-id": "http://purl.org/dc/terms/provenance",
              "x-jsonld-type": "@id"
            },

            "osc-prov:wasGeneratedBy": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreActivitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#wasGeneratedBy",
              "x-jsonld-type": "@id"
            },
            "osc-prov:wasAttributedTo": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreAgentsOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#wasAttributedTo",
              "x-jsonld-type": "@id"
            },
            "osc-prov:wasDerivedFrom": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#wasDerivedFrom",
              "x-jsonld-type": "@id"
            },
            "osc-prov:alternateOf": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#alternateOf",
              "x-jsonld-type": "@id"
            },
            "osc-prov:hadPrimarySource": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#hadPrimarySource",
              "x-jsonld-type": "@id"
            },
            "osc-prov:specializationOf": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#specializationOf",
              "x-jsonld-type": "@id"
            },
            "osc-prov:wasRevisionOf": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#wasRevisionOf",
              "x-jsonld-type": "@id"
            }
          }
        }
      }
    },
    "experiment": {
      "$comment": "This is an example schema for an experiment record that extends the GeoDCAT-AP OGC API Records schema and includes provenance information.",
      "allOf": [
        {
          "$ref": "https://ogcincubator.github.io/geodcat-ogcapi-records/build/annotated/geo/geodcat/geodcat-records/schema.json"
        },
        {
          "$ref": "#/$defs/conformsTo"
        }
      ],
      "properties": {
        "properties": {
          "type": "object",
          "required": [
            "type",
            "osc-prov:type",
            "osc-prov:describedByWorkflow"
          ],
          "properties": {
            "type": {
              "const": "experiment"
            },
            "osc-prov:type": {
              "type": "array",
              "items": {
                "type": "string"
              },
              "contains": {
                "const": "WorkflowRun"
              }
            },
            "osc-prov:hasInput": {
              "type": "object",
              "additionalProperties": {
                "type": "object",
                "$ref": "https://ogcincubator.github.io/bblocks-ogcapi-processes/build/annotated/api/processes/v1/schemas/inputDescription/schema.json"
              }
            },
            "osc-prov:hasOutput": {
              "type": "object",
              "additionalProperties": {
                "type": "object",
                "$ref": "https://ogcincubator.github.io/bblocks-ogcapi-processes/build/annotated/api/processes/v1/schemas/outputDescription/schema.json"
              }
            },
            "osc-prov:has_provenance": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#Prov",
              "x-jsonld-id": "http://purl.org/dc/terms/provenance",
              "x-jsonld-type": "@id"
            },
            "osc-prov:wasGeneratedBy": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreActivitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#wasGeneratedBy",
              "x-jsonld-type": "@id"
            },
            "osc-prov:wasAttributedTo": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreAgentsOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#wasAttributedTo",
              "x-jsonld-type": "@id"
            },
            "osc-prov:wasDerivedFrom": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#wasDerivedFrom",
              "x-jsonld-type": "@id"
            },
            "osc-prov:alternateOf": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#alternateOf",
              "x-jsonld-type": "@id"
            },
            "osc-prov:hadPrimarySource": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#hadPrimarySource",
              "x-jsonld-type": "@id"
            },
            "osc-prov:specializationOf": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#specializationOf",
              "x-jsonld-type": "@id"
            },
            "osc-prov:wasRevisionOf": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#wasRevisionOf",
              "x-jsonld-type": "@id"
            },
            "osc-prov:describedByWorkflow": {
              "type": "string",
              "format": "uri",
              "description": "Links to the workflow description (wfdesc:Workflow) that was executed",
              "x-jsonld-id": "http://purl.org/wf4ever/wfprov#describedByWorkflow",
              "x-jsonld-type": "@id"
            },
            "osc-prov:hadSubProcessRun": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "id": {
                    "type": "string",
                    "format": "uri"
                  }
                },
                "required": [
                  "id"
                ]
              },
              "description": "The process runs that were part of this workflow execution",
              "x-jsonld-reverse": "wfprov:wasPartOfWorkflowRun",
              "x-jsonld-type": "@id",
              "x-jsonld-container": "@set"
            },
            "osc-prov:wasEnactedBy": {
              "type": "string",
              "format": "uri",
              "description": "The workflow engine that executed this workflow",
              "x-jsonld-id": "http://www.w3.org/ns/prov#wasAssociatedWith",
              "x-jsonld-type": "@id"
            }
          },
          "osc-prov:describedByProcess": {
            "type": "string",
            "format": "uri",
            "description": "Links to the process description (wfdesc:Process) that was executed",
            "x-jsonld-id": "http://purl.org/wf4ever/wfprov#describedByProcess",
            "x-jsonld-type": "@id"
          },
          "osc-prov:usedInput": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "id": {
                  "type": "string",
                  "format": "uri"
                }
              },
              "required": [
                "id"
              ]
            },
            "description": "Input artifacts used by this process run",
            "x-jsonld-id": "http://purl.org/wf4ever/wfprov#usedInput",
            "x-jsonld-type": "@id",
            "x-jsonld-container": "@set"
          },
          "osc-prov:startedAtTime": {
            "type": "string",
            "format": "date-time",
            "description": "Start time of the execution",
            "x-jsonld-id": "http://www.w3.org/ns/prov#startedAtTime",
            "x-jsonld-type": "http://www.w3.org/2001/XMLSchema#dateTime"
          },
          "osc-prov:endedAtTime": {
            "type": "string",
            "format": "date-time",
            "description": "End time of the execution",
            "x-jsonld-id": "http://www.w3.org/ns/prov#endedAtTime",
            "x-jsonld-type": "http://www.w3.org/2001/XMLSchema#dateTime"
          },
          "osc-prov:wasPartOfWorkflowRun": {
            "type": "string",
            "format": "uri",
            "description": "The workflow run that this process run was part of",
            "x-jsonld-id": "http://purl.org/wf4ever/wfprov#wasPartOfWorkflowRun",
            "x-jsonld-type": "@id"
          },
          "osc-prov:wasEnactedBy": {
            "type": "string",
            "format": "uri",
            "description": "The workflow engine that enacted this process run",
            "x-jsonld-id": "http://www.w3.org/ns/prov#wasAssociatedWith",
            "x-jsonld-type": "@id"
          }
        }
      }
    },
    "product": {
      "$comment": "A Product is a STAC Collection produced by an Experiment.",
      "type": "object",
      "allOf": [
        {
          "required": [
            "type",
            "osc-prov:type",
            "osc-prov:wasOutputFrom"
          ],
          "properties": {
            "type": {
              "const": "Collection"
            },
            "osc-prov:type": {
              "type": "array",
              "items": {
                "type": "string"
              },
              "contains": {
                "const": "Artifact"
              }
            },
            "osc-prov:wasDerivedFrom": {
              "$ref": "https://ogcincubator.github.io/bblock-prov-schema/build/annotated/ogc-utils/prov/schema.json#oneOrMoreEntitiesOrRefIds",
              "x-jsonld-id": "http://www.w3.org/ns/prov#wasDerivedFrom",
              "x-jsonld-type": "@id"
            },
            "osc-prov:wasOutputFrom": {
              "type": "string",
              "format": "uri"
            },
            "osc-prov:describedByParameter": {
              "type": "string",
              "format": "uri"
            }
          }
        },
        {
          "$ref": "#/$defs/stac_extensions"
        }
      ]

    },

    "conformsTo": {
      "type": "object",
      "required": [
        "conformsTo"
      ],
      "properties": {
        "conformsTo": {
          "type": "array",
          "contains": {
            "const": "https://ahaywardtvuk.github.io/osc-prov/v0.1.0/schema.json"
          }
        }
      }
    },
    "stac_extensions": {
      "type": "object",
      "required": [
        "stac_extensions"
      ],
      "properties": {
        "stac_extensions": {
          "type": "array",
          "contains": {
            "const": "https://ahaywardtvuk.github.io/osc-prov/v0.1.0/schema.json"
          }
        }
      }
    }
  }
}