#include <cstdlib>
#include <fstream>
#include <string>
#include <sstream>
#include <vector>

#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/path.hpp>
#include "json.hpp"

#include "bottles.hpp"
#include "fs.hpp"

using namespace std;

using json = nlohmann::json;

vector<string> cellar::bottles::list() {
	stringstream sstr_output;
	vector<string> result;

	string homepath = getenv("HOME");
	vector<string> homedir = cellar::fs::listdir(homepath);
	for (string item : homedir) {
		if (item.substr(0,5) == ".wine") {
			sstr_output << item;
			sstr_output << " ";

			string jsonpath = homepath + "/" + item + "/cellar.json";
			if (boost::filesystem::exists(jsonpath)) {
				try {
					json config;
					ifstream configstream(jsonpath);
					stringstream sstr_config;
					sstr_config << configstream.rdbuf();
					config = json::parse(sstr_config.str());

					sstr_output << "- " << config["name"];
					result.push_back(sstr_output.str());
					sstr_output.str(""); // clear it for the next item
				}
				catch (const exception &exc) {
					sstr_output << "- bogus cellar.json file";
					result.push_back(sstr_output.str());
					sstr_output.str("");
				}
			}
			else { 
				sstr_output << "- anonymous wine bottle";
				result.push_back(sstr_output.str());
				sstr_output.str("");
			}
		}
	}

	return result;
}