{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://rocket.chat/schemas/classification-banners/v1.json",
  "title": "Rocket.Chat Classification Banners configuration",
  "type": "object",
  "required": ["version", "enabled", "banner", "attributes"],
  "additionalProperties": false,
  "properties": {
    "$schema": { "type": "string" },
    "version": { "const": 1 },
    "enabled": { "type": "boolean" },
    "banner": {
      "type": "object",
      "required": ["style", "uppercase", "monospace", "delimiter", "colorMode", "fallbackText", "fallbackColor"],
      "additionalProperties": false,
      "properties": {
        "style": { "enum": ["classic"] },
        "uppercase": { "type": "boolean" },
        "monospace": { "type": "boolean" },
        "delimiter": { "type": "string", "minLength": 1, "maxLength": 8 },
        "colorMode": { "enum": ["highest", "attribute"] },
        "fallbackText": { "type": "string", "minLength": 1 },
        "fallbackColor": { "$ref": "#/$defs/hexColor" }
      }
    },
    "attributes": {
      "type": "array",
      "minItems": 1,
      "uniqueItems": true,
      "description": "Attribute ids must be unique across entries (uniqueness by id is not expressible in JSON Schema; validated by tooling)",
      "items": { "$ref": "#/$defs/attribute" }
    }
  },
  "$defs": {
    "hexColor": {
      "type": "string",
      "pattern": "^#[0-9a-fA-F]{6}$"
    },
    "attribute": {
      "type": "object",
      "required": [
        "id",
        "source",
        "label",
        "showInBanner",
        "showLabel",
        "bannerLabel",
        "labelSeparator",
        "valueSeparator",
        "sortAlpha",
        "groupThreshold",
        "multipleLabel",
        "drivesColor",
        "values"
      ],
      "additionalProperties": false,
      "properties": {
        "id": { "type": "string", "pattern": "^[a-z][a-z0-9_-]*$" },
        "source": { "type": "string", "minLength": 1, "description": "Raw attribute key from the IdP (SAML/LDAP)" },
        "label": { "type": "string", "minLength": 1, "description": "Friendly admin-facing name" },
        "showInBanner": { "type": "boolean" },
        "showLabel": { "type": "boolean" },
        "bannerLabel": { "type": "string" },
        "labelSeparator": { "enum": ["-", " ", ""] },
        "valueSeparator": { "enum": ["/", ", ", " "] },
        "sortAlpha": { "type": "boolean" },
        "groupThreshold": {
          "type": "integer",
          "description": "0 = never collapse; otherwise collapse when value count >= threshold (2-20)",
          "oneOf": [{ "const": 0 }, { "minimum": 2, "maximum": 20 }]
        },
        "multipleLabel": { "type": "string" },
        "drivesColor": { "type": "boolean" },
        "values": {
          "type": "array",
          "minItems": 1,
          "uniqueItems": true,
          "description": "Value sources must be unique within the attribute (uniqueness by source is not expressible in JSON Schema; validated by tooling)",
          "items": {
            "type": "object",
            "required": ["source", "label", "color"],
            "additionalProperties": false,
            "properties": {
              "source": { "type": "string", "minLength": 1 },
              "label": { "type": "string", "minLength": 1 },
              "color": { "$ref": "#/$defs/hexColor" }
            }
          }
        }
      }
    }
  }
}