import { StoccaTreDbConn } from "../../database.ts";
import IngredientCollection from "./IngredientCollection.ts";
import StoccaTreRequest, { RouteDefinition } from "../../StoccaTreRequest.ts";
import { Result, StoccaTreError } from "../../Result.ts";
import { JSONObject } from "../../JSON.ts";

export default class IngredientResource {
    private collection: IngredientCollection;
    private routes: Readonly<Record<string, RouteDefinition>> = {
        Add: {
            pattern: /\/add/,
            method: "POST",
        },
        GetAll: {
            pattern: /\/all/,
            method: "GET",
        },
    } as const;

    constructor(dbConnection: StoccaTreDbConn) {
        this.collection = new IngredientCollection(dbConnection);
    }

    async handleRequest(request: StoccaTreRequest): Promise<Result<JSONObject> | null> {
        let result = null;
        if (request.match(this.routes.Add) && request.body) {
            result = await this.collection.addIngredient(request.body);
        }
        if (request.match(this.routes.GetAll)) {
            result = await this.collection.getAllIngredients();
        }
        return result;
    }
}