{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://yovision.local/contracts/evidence/v1/evidence-reference.schema.json",
  "title": "YoVision evidence logical reference v1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema_version",
    "evidence_id",
    "owner_id",
    "type",
    "status",
    "captured_at",
    "status_updated_at"
  ],
  "properties": {
    "schema_version": {"const": "yovision.evidence-reference/v1"},
    "evidence_id": {"type": "string", "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]{0,127}$"},
    "owner_id": {"type": "string", "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]{0,127}$"},
    "type": {"enum": ["snapshot", "clip"]},
    "status": {"enum": ["pending", "processing", "success", "failed"]},
    "captured_at": {"type": "string", "format": "date-time"},
    "status_updated_at": {"type": "string", "format": "date-time"},
    "expires_at": {"type": "string", "format": "date-time"},
    "content_type": {"enum": ["image/jpeg", "image/png", "video/mp4"]},
    "integrity": {
      "type": "object",
      "additionalProperties": false,
      "required": ["algorithm", "digest", "size_bytes"],
      "properties": {
        "algorithm": {"const": "sha256"},
        "digest": {"type": "string", "pattern": "^[a-f0-9]{64}$"},
        "size_bytes": {"type": "integer", "minimum": 0}
      }
    },
    "failure": {
      "type": "object",
      "additionalProperties": false,
      "required": ["code", "retryable"],
      "properties": {
        "code": {"enum": ["capture_failed", "processing_failed", "expired", "unavailable"]},
        "retryable": {"type": "boolean"}
      }
    }
  },
  "allOf": [
    {
      "if": {"properties": {"status": {"const": "success"}}, "required": ["status"]},
      "then": {"required": ["content_type", "integrity"], "not": {"required": ["failure"]}}
    },
    {
      "if": {"properties": {"status": {"const": "failed"}}, "required": ["status"]},
      "then": {"required": ["failure"], "not": {"anyOf": [{"required": ["content_type"]}, {"required": ["integrity"]}]}}
    },
    {
      "if": {"properties": {"status": {"enum": ["pending", "processing"]}}, "required": ["status"]},
      "then": {"not": {"anyOf": [{"required": ["content_type"]}, {"required": ["integrity"]}, {"required": ["failure"]}]}}
    }
  ]
}