{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://othmaneblial.github.io/pdf-editor-offline/trust-lab/schemas/v1/change-review.schema.json",
  "title": "PDF Editor Offline change review",
  "type": "object",
  "required": ["schema", "schema_version", "app_version", "verdict", "parameters", "files", "visual", "semantic", "warnings", "content_included"],
  "properties": {
    "schema": { "const": "pdf-editor-offline.change-review" },
    "schema_version": { "const": "1.0.0" },
    "app_version": { "type": "string" },
    "verdict": { "enum": ["unchanged", "unexpected_changes", "expected_changes_only", "changes_detected", "binary_only_change"] },
    "parameters": {
      "type": "object",
      "required": ["dpi", "pixel_threshold", "tolerance", "expected_region_pages"],
      "properties": {
        "dpi": { "type": "integer", "minimum": 72, "maximum": 300 },
        "pixel_threshold": { "type": "integer", "minimum": 0, "maximum": 255 },
        "tolerance": { "type": "number", "minimum": 0, "maximum": 1 },
        "expected_region_pages": { "type": "array", "items": { "type": "integer", "minimum": 1 } }
      },
      "additionalProperties": false
    },
    "files": {
      "type": "object",
      "required": ["before_sha256", "after_sha256"],
      "properties": {
        "before_sha256": { "$ref": "#/$defs/sha256" },
        "after_sha256": { "$ref": "#/$defs/sha256" }
      },
      "additionalProperties": false
    },
    "visual": {
      "type": "object",
      "required": ["pages", "unexpected_pages"],
      "properties": {
        "pages": { "type": "array", "items": { "type": "object" } },
        "unexpected_pages": { "type": "integer", "minimum": 0 }
      },
      "additionalProperties": false
    },
    "semantic": { "type": "object" },
    "objects": { "type": "object" },
    "annotation_history": { "type": "object" },
    "artifacts": {
      "type": "object",
      "required": ["generated", "content_bearing", "files"],
      "properties": {
        "generated": { "type": "boolean" },
        "content_bearing": { "type": "boolean" },
        "files": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["name", "media_type", "bytes", "sha256", "content_bearing"],
            "properties": {
              "name": { "type": "string", "pattern": "^[^/\\\\]+$" },
              "media_type": { "type": "string" },
              "bytes": { "type": "integer", "minimum": 0 },
              "sha256": { "$ref": "#/$defs/sha256" },
              "content_bearing": { "const": true }
            },
            "additionalProperties": false
          }
        }
      },
      "additionalProperties": false
    },
    "audit_sha256": { "$ref": "#/$defs/sha256" },
    "safe_to_publish": { "type": "boolean" },
    "warnings": { "type": "array", "items": { "type": "string" }, "uniqueItems": true },
    "content_included": { "const": false }
  },
  "$defs": {
    "sha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" }
  },
  "additionalProperties": false
}