{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://igrm.in/schemas/exposure-edge.schema.json",
  "title": "IGRM canonical ExposureEdge",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "object_type",
    "schema_version",
    "edge_id",
    "record_sha256",
    "lifecycle",
    "source_entity_id",
    "target_entity_id",
    "edge_type",
    "exposure_direction",
    "quantification_status",
    "magnitude",
    "derivation_type",
    "effective_start",
    "effective_end",
    "observed_at",
    "coverage_basis",
    "evidence_ids",
    "method",
    "confidence",
    "limitation_codes",
    "provenance"
  ],
  "properties": {
    "object_type": {"const": "exposure_edge"},
    "schema_version": {"const": "1.0.0"},
    "edge_id": {
      "type": "string",
      "pattern": "^edg:[a-z0-9][a-z0-9._:-]{2,123}$"
    },
    "record_sha256": {"$ref": "common.schema.json#/$defs/sha256"},
    "lifecycle": {"$ref": "common.schema.json#/$defs/recordLifecycle"},
    "source_entity_id": {"$ref": "common.schema.json#/$defs/stableId"},
    "target_entity_id": {"$ref": "common.schema.json#/$defs/stableId"},
    "edge_type": {
      "type": "string",
      "enum": [
        "import_dependence",
        "export_dependence",
        "freight_dependence",
        "energy_dependence",
        "supplier_concentration",
        "ownership",
        "operational_presence",
        "border_proximity",
        "treaty_obligation",
        "sanctions_reach",
        "cyber_dependency",
        "policy_jurisdiction",
        "input_dependency",
        "route_dependency",
        "technology_dependency"
      ]
    },
    "exposure_direction": {
      "type": "string",
      "enum": [
        "inbound_to_india",
        "outbound_from_india",
        "bidirectional",
        "jurisdictional",
        "non_directional"
      ]
    },
    "quantification_status": {
      "type": "string",
      "enum": ["quantified", "qualitative", "unknown"]
    },
    "magnitude": {
      "oneOf": [
        {"$ref": "common.schema.json#/$defs/measure"},
        {"type": "null"}
      ]
    },
    "derivation_type": {
      "type": "string",
      "enum": ["direct_authoritative", "calculated", "expert_judgment"]
    },
    "effective_start": {"$ref": "common.schema.json#/$defs/date"},
    "effective_end": {"$ref": "common.schema.json#/$defs/nullableDate"},
    "observed_at": {"$ref": "common.schema.json#/$defs/utcDateTime"},
    "coverage_basis": {
      "type": "object",
      "additionalProperties": false,
      "required": ["universe_release_id", "covered_entity_id", "member_status"],
      "properties": {
        "universe_release_id": {"$ref": "common.schema.json#/$defs/stableId"},
        "covered_entity_id": {"$ref": "common.schema.json#/$defs/stableId"},
        "member_status": {"const": "included"}
      }
    },
    "evidence_ids": {"$ref": "common.schema.json#/$defs/nonEmptyIdArray"},
    "method": {"$ref": "common.schema.json#/$defs/method"},
    "confidence": {
      "allOf": [
        {"$ref": "common.schema.json#/$defs/uncertainty"},
        {
          "properties": {
            "status": {"enum": ["categorical", "not_estimated"]},
            "lower": {"type": "null"},
            "upper": {"type": "null"}
          }
        }
      ]
    },
    "limitation_codes": {"$ref": "common.schema.json#/$defs/idArray"},
    "provenance": {"$ref": "common.schema.json#/$defs/provenance"}
  },
  "allOf": [
    {
      "if": {"properties": {"quantification_status": {"const": "quantified"}}},
      "then": {
        "properties": {
          "magnitude": {
            "allOf": [
              {"$ref": "common.schema.json#/$defs/measure"},
              {
                "properties": {
                  "period_start": {"$ref": "common.schema.json#/$defs/date"},
                  "period_end": {"$ref": "common.schema.json#/$defs/date"}
                }
              }
            ]
          }
        }
      },
      "else": {"properties": {"magnitude": {"type": "null"}}}
    },
    {
      "if": {"properties": {"quantification_status": {"const": "unknown"}}},
      "then": {
        "properties": {
          "confidence": {
            "properties": {"status": {"const": "not_estimated"}}
          }
        }
      }
    },
    {
      "if": {"properties": {"quantification_status": {"const": "qualitative"}}},
      "then": {
        "properties": {
          "confidence": {
            "properties": {
              "status": {"enum": ["categorical", "not_estimated"]},
              "lower": {"type": "null"},
              "upper": {"type": "null"}
            }
          },
          "limitation_codes": {
            "contains": {"const": "magnitude_not_quantified"}
          }
        }
      }
    }
  ]
}