module csgs.http;

import handy_httpd;
import handy_httpd.handlers.path_delegating_handler;
import handy_httpd.handlers.file_resolving_handler;
import slf4d;
import std.path;

import csgs.extract;

void startServer() {
	ServerConfig config = ServerConfig.defaultValues();
	config.workerPoolSize = 3;
	config.connectionQueueSize = 10;
	config.port = 8100;

	PathDelegatingHandler handler = new PathDelegatingHandler();
	handler.addMapping("POST", "/extracts", &handleExtract);
	handler.addMapping("GET", "/extracts/{extractId}", &getExtract);

	FileResolvingHandler fileHandler = new FileResolvingHandler("site", DirectoryResolutionStrategies.serveIndexFiles);
	handler.addMapping("/**", fileHandler);
	new HttpServer(handler, config).start();
}

private void handleExtract(ref HttpRequestContext ctx) {
	import std.json;

	MultipartFormData data = ctx.request.readBodyAsMultipartFormData();
	if (!validateExtractRequest(data, ctx.response)) return;
	string extractId = doExtract(data);
	JSONValue result = JSONValue.emptyObject;
	result.object["extractId"] = JSONValue(extractId);
	ctx.response.writeBodyString(result.toJSON(), "application/json");
}

private void getExtract(ref HttpRequestContext ctx) {
	string extractId = ctx.request.getPathParamAs!string("extractId");
	const extractFile = buildPath(EXTRACTS_DIR, extractId ~ ".json");
	fileResponse(ctx.response, extractFile, "application/json");
}