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

export default class StoccaTreServer implements StoccaTreRequestHandler {
    private db: StoccaTreDbConn;
    private routes: {
        routeDef: RouteDefinition;
        handler: StoccaTreRequestHandler;
    }[] = [];

    constructor(dbConnection: StoccaTreDbConn) {
        this.db = dbConnection;
    }

    addResource(route: RouteDefinition, handler: StoccaTreRequestHandler) {
        this.routes.push({ routeDef: route, handler });
    }

    async handleRequest(request: StoccaTreRequest): Promise<Result<JSONObject>> {
        let result: Result<JSONObject> | null = null;
        for (const { routeDef, handler } of this.routes) {
            if (request.match(routeDef)) {
                result = await handler.handleRequest(request);
                break;
            }
        }
        if (!result) {
            return [new StoccaTreError(`Invalid route: ${request.route} with method ${request.method}.`, 400)];
        }
        return result;
    }
}