#pragma once

#include <unordered_map>

#include "cmd/cmd_base.hpp"
#include "cmd/cmd_wc.hpp"
#include "cmd/cmd_time.hpp"
#include "cmd/cmd_date.hpp"
#include "cmd/cmd_echo.hpp"
#include "cmd/cmd_touch.hpp"
#include "cmd/cmd_misc.hpp"

namespace fsh
{

class CommandRegistry {

    public:

    static CommandRegistry& instance() {
        static CommandRegistry cmd_registry;
        return cmd_registry;
    }

    Command& get(const std::string n) {
        if(cmds.find(n) == cmds.end()) {
            throw std::runtime_error("Command not found");
        }
        return *(cmds[n]);
    }

    Command& operator[](const std::string n) {
        return get(n);
    }


    private:
    CommandRegistry() {
        cmds["wc"   ]  = Command::register_cmd<CmdWc>();       
        cmds["date" ]  = Command::register_cmd<CmdDate>();
        cmds["time" ]  = Command::register_cmd<CmdTime>();
        cmds["echo" ]  = Command::register_cmd<CmdEcho>();
        cmds["exit" ]  = Command::register_cmd<CmdExit>();
        cmds["touch"]  = Command::register_cmd<CmdTouch>();
        cmds["debug"]  = Command::register_cmd<CmdPrintTree>();
    }

    std::unordered_map<std::string, std::unique_ptr<Command> > cmds;  

};


}