#include "crow.h"

extern "C" {
#include "ternarytrie.h"
}

int main() {
  // Read in API key
  char *api_key = getenv("LANDER_API_KEY");

  if (api_key == NULL) {
    printf("No API key provided.");
    return 1;
  }

  TernaryTrie *trie = ternarytrie_init();

  crow::SimpleApp app;

  CROW_ROUTE(app, "/<string>")
      .methods(crow::HTTPMethod::Post)(
          [api_key, trie](const crow::request &req, std::string s) {
            // Authenticate request
            std::string provided_api_key = req.get_header_value("X-Api-Key");

            if (strcmp(api_key, provided_api_key.c_str()) != 0) {
              return crow::response(crow::status::UNAUTHORIZED);
            }

            bool res = ternarytrie_add(trie, s.c_str(), req.body.c_str());

            if (!res) {
              return crow::response(crow::status::CONFLICT);
            }

            return crow::response(crow::status::NO_CONTENT);
          });
  CROW_ROUTE(app, "/<string>")
      .methods(crow::HTTPMethod::Get)(
          [trie](crow::response &res, std::string s) {
            char *payload = ternarytrie_search(trie, s.c_str());

            if (payload != NULL) {
              res.redirect(payload);
            } else {
              res.code = 404;
            }

            res.end();
          });

  app.port(18080).multithreaded().run();
}