{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://beyond-kle.org/schemas/map-layer.json",
  "title": "MAP Layer - Keymap Configuration",
  "description": "Key code assignments and layers",
  "type": "object",
  "required": ["version", "phyReference", "layers"],
  "properties": {
    "version": { "type": "string" },
    "phyReference": {
      "type": "object",
      "required": ["source", "checksum"],
      "properties": {
        "source": { "type": "string" },
        "checksum": { "type": "string" }
      }
    },
    "layers": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/layer"
      }
    }
  },
  "$defs": {
    "layer": {
      "type": "object",
      "required": ["name", "keymap"],
      "properties": {
        "name": {
          "type": "string",
          "description": "Layer identifier, unique within the MAP. Layer order is the array order"
        },
        "keymap": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/keyAssignment"
          }
        }
      }
    },
    "keyAssignment": {
      "type": "object",
      "required": ["keyId", "keycode"],
      "properties": {
        "keyId": {
          "type": "string",
          "description": "Reference to PHY layer key ID"
        },
        "keycode": { "type": "string" }
      }
    }
  }
}