{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://chris-page-gov.github.io/okf-explorer/profiles/context-assembly/v1/discovery-card.schema.json",
  "title": "Source-bound discovery card (never evidence or a concept)",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "maxLength": 2000,
      "pattern": "^[a-z][a-z0-9+.-]*:[!-~]+$"
    },
    "label": {
      "type": "string"
    },
    "assertion_status": {
      "enum": [
        "normalized",
        "inferred",
        "model-derived"
      ]
    },
    "authority": {
      "type": "object",
      "properties": {
        "class": {
          "type": "string"
        },
        "label": {
          "type": "string"
        },
        "source": {
          "type": "string"
        }
      },
      "required": [
        "class",
        "label",
        "source"
      ],
      "additionalProperties": false
    },
    "scope": {
      "type": "string"
    },
    "provenance": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "url": {
            "type": "string"
          },
          "source_sha256": {
            "type": "string"
          },
          "locator": {
            "type": "string"
          },
          "captured_at": {
            "type": "string"
          },
          "source_date": {
            "type": "string"
          },
          "source_date_kind": {
            "type": "string"
          },
          "literal_sha256": {
            "type": "string"
          }
        },
        "required": [
          "url",
          "source_sha256",
          "locator",
          "captured_at"
        ],
        "additionalProperties": false
      }
    },
    "rights": {
      "type": "string"
    },
    "access": {
      "enum": [
        "public",
        "restricted"
      ]
    },
    "evidence_id": {
      "type": "string",
      "maxLength": 2000,
      "pattern": "^[a-z][a-z0-9+.-]*:[!-~]+$"
    },
    "evidence_sha256": {
      "type": "string",
      "pattern": "^[a-f0-9]{64}$"
    },
    "heading_path": {
      "type": "array",
      "maxItems": 20,
      "items": {
        "type": "string",
        "maxLength": 500
      }
    },
    "summary": {
      "type": "string",
      "maxLength": 2000
    },
    "search_aliases": {
      "type": "array",
      "maxItems": 100,
      "items": {
        "type": "string",
        "maxLength": 500
      }
    },
    "route_patterns": {
      "type": "array",
      "maxItems": 8,
      "items": { "$ref": "#/$defs/route_pattern" }
    }
  },
  "required": [
    "id",
    "label",
    "assertion_status",
    "authority",
    "scope",
    "provenance",
    "rights",
    "access",
    "evidence_id",
    "evidence_sha256",
    "heading_path",
    "summary",
    "search_aliases"
  ],
  "additionalProperties": false,
  "$defs": {
    "route_pattern": {
      "type": "object",
      "properties": {
        "id": { "type": "string", "pattern": "^[a-z][a-z0-9-]{0,79}$" },
        "scope_group": { "const": 0 },
        "all_of": {
          "type": "array",
          "minItems": 3,
          "maxItems": 4,
          "items": {
            "type": "array",
            "minItems": 1,
            "maxItems": 8,
            "items": { "type": "string", "minLength": 1, "maxLength": 120 }
          }
        }
      },
      "required": ["id", "scope_group", "all_of"],
      "additionalProperties": false
    }
  }
}