{
  "title": "trees.json",
  "description": "JSON Schema for config/trees.json",
  "type": "object",
  "additionalProperties": false,
  "required": ["trees"],
  "properties": {

    "trees": {
      "type": "object",
      "additionalProperties": false,
      "patternProperties": {

        "^\\S+$": {
          "description": "(required) The name of the tree (e.g. 'brands')",
          "type": "object",
          "additionalProperties": false,
          "required": ["emoji", "mainTag", "nameTags"],
          "properties": {

            "emoji": {
              "description": "(required) An emoji used for logging and output (e.g. '🍔')",
              "type": "string"
            },

            "mainTag": {
              "description": "(required) An OSM tag that this tree uses as the main tag (e.g. 'brand:wikidata')",
              "type": "string",
              "pattern": "^\\S+$"
            },

            "sourceTags": {
              "description": "(optional) Tags from OSM to collect namelike values",
              "type": "array",
              "uniqueItems": true,
              "items": {
                "type": "string",
                "pattern": "^\\S+$"
              }
            },

            "nameTags": {
              "description": "(required) OSM tags that can contain namelike values to be indexed by the matcher",
              "type": "object",
              "additionalProperties": false,
              "required": ["primary", "alternate"],
              "properties": {
                "primary": {
                  "description": "(required) Patterns for matching primary name tags (e.g. 'name')",
                  "type": "string",
                  "format": "regex"
                },
                "alternate": {
                  "description": "(required) Patterns for matching alternate name tags (e.g. 'short_name', 'alt_name')",
                  "type": "string",
                  "format": "regex"
                }
              }
            }

          }
        }

      }
    }
  }
}