syntax = "proto3";

package url;

option go_package = "./proto;url";

service Url {
	rpc Shorten(ShortenRequest) returns (ShortenResponse) {}
	rpc List(ListRequest) returns (ListResponse) {}
	rpc Proxy(ProxyRequest) returns (ProxyResponse) {}
}

// Shorten a long URL
message ShortenRequest {
	// the url to shorten
	string destinationURL = 1;
}

message ShortenResponse {
	// the shortened url
	string shortURL = 1;
}

message URLPair {
	// destination url
	string destinationURL = 1;
	// shortened url
	string shortURL = 2;
	// time of creation
	string created = 4;
}

// List all the shortened URLs
message ListRequest {
	// filter by short URL, optional
	string shortURL = 2;
}

message ListResponse {
	repeated URLPair urlPairs = 1;
}

// Proxy returns the destination URL of a short URL.
message ProxyRequest {
	// short url ID, without the domain, eg. if your short URL is
	// `m3o.one/u/someshorturlid` then pass in `someshorturlid`
	string shortURL = 1;
}

message ProxyResponse {
	string destinationURL = 1;
}