{
  "type": "object",
  "properties": {
    "$schema": {
      "type": "string"
    },
    "schemaVersion": {
      "type": "number",
      "const": 1
    },
    "files": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "file": {
            "type": "string",
            "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*\\.(png|jpe?g|webp)$"
          },
          "role": {
            "type": "string",
            "enum": [
              "logo",
              "banner"
            ]
          },
          "license": {
            "type": "string",
            "enum": [
              "CC0-1.0",
              "CC-BY-4.0",
              "CC-BY-SA-4.0",
              "publisher-permission"
            ]
          },
          "author": {
            "type": "string",
            "minLength": 1,
            "maxLength": 120
          },
          "source": {
            "type": "string",
            "format": "uri",
            "pattern": "^https\\:\\/\\/"
          },
          "permission": {
            "type": "string",
            "format": "uri",
            "pattern": "^https\\:\\/\\/"
          }
        },
        "required": [
          "file",
          "role",
          "license",
          "source"
        ],
        "additionalProperties": false
      },
      "minItems": 1
    }
  },
  "required": [
    "schemaVersion",
    "files"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Images libres d'un jeu (assets/assets.json)"
}