Begin implementing Joi validation on the database models

module/utils/databases/model.mjs

@@ -1,43 +1,60 @@
-const { fields } = foundry.data;
+import * as Joi from "joi";
+
+// MARK: Buckets
+const numberBucketSchema = Joi.object({
+	type: Joi.string().valid(`number`, `range`).required(),
+	min: Joi
+		.number()
+		.integer()
+		.when(`type`, {
+			is: Joi.string().valid(`range`),
+			then: Joi.required(),
+			otherwise: Joi.optional(),
+		}),
+	max: Joi
+		.number()
+		.integer()
+		.when(`type`, {
+			is: Joi.string().valid(`range`),
+			then: Joi.required(),
+			otherwise: Joi.optional(),
+		}),
+	step: Joi
+		.number()
+		.integer()
+		.when(`type`, {
+			is: Joi.string().valid(`range`),
+			then: Joi.required(),
+			otherwise: Joi.optional(),
+		}),
+});
+
+const stringBucketSchema = Joi.object({
+	type: Joi.string().valid(`string`).required(),
+	choices: Joi.array(Joi.string()).optional(),
+});
+
+// MARK: Graphs
+const barGraphSchema = Joi.object({
+	type: Joi.string().valid(`bar`).required(),
+	stacked: Joi.boolean().required(),
+});
 
 // MARK: Table
-export class Table extends foundry.abstract.DataModel {
-	static defineSchema() {
-		return {
-			name: new fields.StringField({
-				nullable: false,
-				required: true,
-				blank: false,
-				trim: true,
-				validate(value) {
-					return !value.match(/[^a-z0-9_\-:]/i);
-				},
-			}),
-			data: new fields.TypedObjectField(Row),
-		};
-	};
-};
+export const tableSchema = Joi.object({
+	name: Joi
+		.string()
+		.trim()
+		.required()
+		.pattern(/^[a-z \-_]+(\/[a-z \-_]+)?$/i),
+	buckets: Joi.alternatives([
+		numberBucketSchema,
+		stringBucketSchema,
+	]).match(`one`),
+	graph: Joi.alternatives([
+		barGraphSchema,
+	]).match(`one`),
+});
 
 // MARK: Row
-export class Row extends foundry.abstract.DataModel {
-	static defineSchema() {
-		return {
-			id: new fields.StringField({
-				nullable: false,
-				required: true,
-				blank: false,
-			}),
-			timestamp: new fields.NumberField({
-				min: 0,
-				required: true,
-				nullable: false,
-			}),
-			value: new fields.AnyField(),
-			private: new fields.BooleanField({
-				initial: false,
-				required: true,
-				nullable: false,
-			}),
-		};
-	};
-};
+export const rowSchema = Joi.object({});