{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://bpa.local/schemas/source-record/v1alpha1",
  "title": "BPA Source Record v1alpha1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "apiVersion",
    "kind",
    "sourceId",
    "sourceType",
    "locator",
    "observedAt",
    "recordedAt",
    "accessScope",
    "classification"
  ],
  "allOf": [
    {
      "if": {
        "properties": { "sourceType": { "const": "platform_page" } },
        "required": ["sourceType"]
      },
      "then": {
        "required": ["adapter", "rawDigest"],
        "properties": {
          "locator": { "$ref": "#/$defs/platformPage" },
          "adapter": { "$ref": "#/$defs/adapterRef" },
          "rawDigest": { "$ref": "#/$defs/digest" }
        }
      }
    },
    {
      "if": {
        "properties": { "sourceType": { "const": "public_url" } },
        "required": ["sourceType"]
      },
      "then": {
        "properties": { "locator": { "$ref": "#/$defs/publicUrl" } }
      }
    },
    {
      "if": {
        "properties": {
          "sourceType": { "const": "third_party_estimate" }
        },
        "required": ["sourceType"]
      },
      "then": {
        "required": ["adapter", "rawDigest"],
        "properties": {
          "locator": { "$ref": "#/$defs/thirdPartyEstimate" },
          "adapter": { "$ref": "#/$defs/adapterRef" },
          "rawDigest": { "$ref": "#/$defs/digest" }
        }
      }
    },
    {
      "if": {
        "properties": { "sourceType": { "const": "user_file" } },
        "required": ["sourceType"]
      },
      "then": {
        "properties": { "locator": { "$ref": "#/$defs/userFile" } }
      }
    }
  ],
  "properties": {
    "apiVersion": { "const": "bpa.source/v1alpha1" },
    "kind": { "const": "SourceRecord" },
    "sourceId": { "$ref": "#/$defs/id" },
    "sourceType": {
      "enum": [
        "platform_page",
        "public_url",
        "third_party_estimate",
        "user_file"
      ]
    },
    "locator": { "type": "object" },
    "observedAt": { "$ref": "#/$defs/timestamp" },
    "recordedAt": { "$ref": "#/$defs/timestamp" },
    "accessScope": {
      "enum": ["public", "authenticated", "membership", "user_provided"]
    },
    "adapter": { "$ref": "#/$defs/adapterRef" },
    "rawDigest": { "$ref": "#/$defs/digest" },
    "classification": {
      "enum": ["public", "internal", "confidential", "restricted"]
    },
    "title": { "type": "string", "minLength": 1, "maxLength": 500 }
  },
  "$defs": {
    "id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200,
      "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$"
    },
    "timestamp": { "type": "string", "format": "date-time" },
    "httpsUrl": {
      "type": "string",
      "format": "uri",
      "pattern": "^https://",
      "maxLength": 4096
    },
    "digest": { "type": "string", "pattern": "^sha256:[a-f0-9]{64}$" },
    "adapterRef": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "version", "digest"],
      "properties": {
        "id": { "$ref": "#/$defs/id" },
        "version": {
          "type": "string",
          "pattern": "^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)(?:-[0-9A-Za-z.-]+)?$",
          "maxLength": 100
        },
        "digest": { "$ref": "#/$defs/digest" }
      }
    },
    "platformPage": {
      "type": "object",
      "additionalProperties": false,
      "required": ["platform", "url"],
      "properties": {
        "platform": { "$ref": "#/$defs/id" },
        "url": { "$ref": "#/$defs/httpsUrl" },
        "pageIdentity": { "type": "string", "minLength": 1, "maxLength": 500 }
      }
    },
    "publicUrl": {
      "type": "object",
      "additionalProperties": false,
      "required": ["url"],
      "properties": {
        "url": { "$ref": "#/$defs/httpsUrl" }
      }
    },
    "thirdPartyEstimate": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "provider",
        "metricDefinition",
        "windowStart",
        "windowEnd",
        "estimated"
      ],
      "properties": {
        "provider": { "$ref": "#/$defs/id" },
        "url": { "$ref": "#/$defs/httpsUrl" },
        "metricDefinition": {
          "type": "string",
          "minLength": 1,
          "maxLength": 2000
        },
        "windowStart": { "$ref": "#/$defs/timestamp" },
        "windowEnd": { "$ref": "#/$defs/timestamp" },
        "estimated": { "const": true }
      }
    },
    "userFile": {
      "type": "object",
      "additionalProperties": false,
      "required": ["originalFileName", "mediaType", "size", "digest"],
      "properties": {
        "originalFileName": {
          "type": "string",
          "minLength": 1,
          "maxLength": 500,
          "pattern": "^(?!\\.{1,2}$)[^/\\\\\\u0000]+$"
        },
        "mediaType": { "type": "string", "minLength": 1, "maxLength": 200 },
        "size": {
          "type": "integer",
          "minimum": 1,
          "maximum": 26214400
        },
        "digest": { "$ref": "#/$defs/digest" }
      }
    }
  }
}