#include "command.h"
#include "gui.h"


namespace {
	std::string trim(const std::string &s) {
		size_t left = 0;
		while (left < s.size() && isspace(s[left])) left++;
		size_t right = s.size() - 1;
		while (right >= left && isspace(s[right])) right--;
		return s.substr(left, right - left + 1);
	}
}

namespace gui {
	void showNotification(const std::string &message) {
		runCommand({"zenity", "--notification", "--text", message});
	}

	std::optional<std::string> promptText(const std::string &message) {
		auto result = readCommand({"zenity", "--entry", "--text", message});
		if (result.first == 0) return result.second;
		else return std::nullopt;
	}

	std::optional<std::string> chooseList(const std::string &message, const std::string &header, const std::vector<std::string> &options) {
		std::vector<std::string> args{
			"zenity", "--list", "--text", message, "--column", header
		};
		args.insert(args.end(), options.begin(), options.end());
		auto result = readCommand(args);
		if (result.first == 0) return trim(result.second);
		else return std::nullopt;
	}
}