import RestResponse from "./RestResponse.ts";
import { Handler } from "./Router.ts";

export default function staticHandler(path: string): Handler {
    return {
        async handle(req) {
            try {
                const realPath = await Deno.realPath(`${path}/${req.url}`);
                const stream = await Deno.open(realPath);
                const i = realPath.lastIndexOf('.');
                const res = new RestResponse().body(stream.readable);
            
                if (i >= 0) res.contentType(realPath.substring(i + 1));
                return res;
            }
            catch (e) {
                console.log(e);
                return undefined;
            }
        }
    };
}