{
  "$id": "layer-wms",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "required": ["name", "title", "description", "globalConstraint", "serviceParams", "defaultProjection", "queryable", "metadata", "styles", "legends", "formats", "producer", "thematic", "base", "key", "position", "opacity", "visible", "grayscale", "params"],
  "properties": {
    "name": { "type": "string" },
    "title": { "type": "string" },
    "description": { "type": "string" },

    "globalConstraint": {
      "type": "object",
      "required": ["minScaleDenominator", "maxScaleDenominator", "bbox"],
      "properties": {
        "minScaleDenominator": { "type": "number" },
        "maxScaleDenominator": { "type": "number" },
        "bbox": {
          "type": "object",
          "required": ["left", "right", "top", "bottom"],
          "properties": {
            "left": { "type": "number" },
            "right": { "type": "number" },
            "top": { "type": "number" },
            "bottom": { "type": "number" }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    },

    "serviceParams": {
      "type": "object",
      "required": ["id", "version", "serverUrl"],
      "properties": {
        "id": { "type": "string" },
        "version": { "type": "string" },
        "serverUrl": {
          "type": "object",
          "required": ["full"],
          "properties": {
            "full": {
              "type": "string",
              "format": "uri"
            }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    },

    "defaultProjection": { "type": "string" },
    "queryable": { "type": "boolean" },
    "metadata": {
      "type": "array",
      "items": {}
    },

    "styles": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["name", "title"],
        "properties": {
          "name": { "type": "string" },
          "title": { "type": "string" }
        },
        "additionalProperties": false
      }
    },

    "legends": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["format", "url"],
        "properties": {
          "format": { "type": "string" },
          "url": {
            "type": "string",
            "format": "uri"
          }
        },
        "additionalProperties": false
      }
    },

    "formats": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["name", "current"],
        "properties": {
          "name": { "type": "string" },
          "current": { "type": "boolean" }
        },
        "additionalProperties": false
      }
    },

    "producer": {
      "type": "array",
      "items": { "type": "string" }
    },

    "thematic": {
      "type": "array",
      "items": { "type": "string" }
    },

    "base": { "type": "boolean" },
    "key": { "type": "string" },
    "position": { "type": "integer" },
    "opacity": { "type": "number" },
    "visible": { "type": "boolean" },
    "grayscale": { "type": "boolean" },

    "params": {
      "type": "object",
      "required": ["url", "styles", "version", "format", "projection", "minScale", "maxScale", "extent", "legends", "title", "description"],
      "properties": {
        "url": {
          "type": "string",
          "format": "uri"
        },
        "styles": { "type": "string" },
        "version": { "type": "string" },
        "format": { "type": "string" },
        "projection": { "type": "string" },
        "minScale": { "type": "number" },
        "maxScale": { "type": "number" },
        "extent": {
          "type": "object",
          "required": ["left", "right", "top", "bottom"],
          "properties": {
            "left": { "type": "number" },
            "right": { "type": "number" },
            "top": { "type": "number" },
            "bottom": { "type": "number" }
          },
          "additionalProperties": false
        },
        "legends": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["format", "url"],
            "properties": {
              "format": { "type": "string" },
              "url": {
                "type": "string",
                "format": "uri"
              }
            },
            "additionalProperties": false
          }
        },
        "title": { "type": "string" },
        "description": { "type": "string" }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}