{
  "$schema": "http://json-schema.org/draft-07/schema",

  "additionalProperties": {
    "$ref": "#/definitions/map_node"
  },
  "propertyNames": {
    "$ref": "#/definitions/node_name_regex"
  },

  "definitions": {
    "node_name_regex": {
      "type": "string",
      "pattern": "[\\w]+"
    },
    "map_node": {
      "properties": {
        "x": {
          "description": "The x coordinate.",
          "type": "integer"
        },
        "y": {
          "description": "The y coordinate.",
          "type": "integer"
        },
        "name": {
          "description": "Human-readable name.",
          "type": "string"
        },
        "description": {
          "description": "Description of node, if needed.",
          "type": "string"
        },
        "qt_connections": {
          "description": "List of connected nodes",
          "additionalProperties": { "$ref": "#/definitions/qt_connection" },
          "propertyNames": {
            "$ref": "#/definitions/node_name_regex"
          }
        },
        "walk_connections": {
          "description": "List of connected nodes",
          "additionalProperties": { "$ref": "#/definitions/walk_connection" },
          "propertyNames": {
            "$ref": "#/definitions/node_name_regex"
          }
        }
      },
      "required": ["x", "y", "name", "walk_connections"],
      "additionalItems": false
    },
    "qt_connection": {
      "$comment": "A quick-travel conenction between nodes that should be evaluated first.",
      "properties": {
        "mode": {
          "description": "The mode of the fast travel method.",
          "enum": ["mageisland", "seaskipper", "tunnels", "skyship", "elevator"]
        },
        "cost": {
          "description": "The cost in emeralds of this route",
          "type": "integer",
          "minimum": 0
        },
        "unlock_lvl": {
          "description": "The level this fast travel is unlocked at",
          "type": "integer",
          "minimum": 0,
          "maximum": 110
        }
      },
      "required": ["mode", "cost", "unlock_lvl"],
      "additionalItems": false
    },
    "walk_connection": {
      "$comment": "A walking connection between two nodes",
      "properties": {
        "distance": {
          "description": "The better disnance between two nodes, not necisarily as the crow flies. Should be used in the a* calc for distance back.",
          "type": "integer",
          "minimum": 0
        },
        "weight": {
          "description": "Weight value used to modulate the distance based on passability",
          "type": "number",
          "minimum": 0,
          "default": 1
        },
        "terrain_level": {
          "description": "The highest level of the terain this connection passes through",
          "type": "integer",
          "minimum": 0,
          "maximum": 110
        }
      },
      "required": ["distance", "weight", "terrain_level"],
      "additionalItems": false
    }
  }
}