schema.json

{
  "type": "object",
  "properties": {
    "weeks": {
      "type": "array",
      "items": {
        "type": "object",
        "title": "Weeks",
        "properties": {
          "days": {
            "type": "array",
            "items": {
              "type": "object",
              "title": "Days",
              "properties": {
                "day title": {
                  "type": "string"
                },
                "day description": {
                  "type": "string"
                },
                "meals": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "title": "Meals",
                    "properties": {
                      "meal type": {
                        "type": "string",
                        "enum": ["Breakfast", "Lunch", "Dinner", "Snack"]
                      },
                      "meal title": {
                        "type": "string"
                      },
                      "meal description": {
                        "type": "string"
                      },
                      "meal image": {
                        "type": "string"
                      },
                      "kcals": {
                        "type": "string"
                      },
                      "meal product id": {
                        "type": "string"
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}