#ifndef CTOOL_HELP
#define CTOOL_HELP

#include "ToolBase.hpp"
#include <stdio.h>
#include <stdexcept>
#include <functional>

class ToolHelp final : public ToolBase
{


public:
    ToolHelp(const ToolPassInfo& info)
    : ToolBase(info)
    {
        if (m_info.args.empty())
            throw HECL::Exception(_S("help requires a tool name argument"));
    }

    ~ToolHelp()
    {
    }



    static void Help(HelpOutput& help)
    {
        help.printBold(_S("................................___________ \n"
                          "...........................,.-'\"...........``~., \n"
                          "........................,.-\".......................\"-., \n"
                          "....................,/..................................\":, \n"
                          "..................,?........................................, \n"
                          "................/...........................................,}\n"
                          "............../........................................,:`^`..}\n"
                          "............./.......................................,:\"...../\n"
                          "............?.....__..................................:`...../\n"
                          ".........../__.(...\"~-,_...........................,:`....../\n"
                          "........../(_....\"~,_....\"~,_.....................,:`...._/ \n"
                          "..........{.._$;_....\"=,_.....\"-,_......,.-~-,},.~\";/....} \n"
                          "...........((...*~_......\"=-._...\";,,./`........../\"..../ \n"
                          "...,,,___.`~,......\"~.,....................`......}....../ \n"
                          "............(....`=-,,...`.........................(...;_,,-\" \n"
                          "............/.`~,......`-.................................../ \n"
                          ".............`~.*-,.....................................|,./...,__ \n"
                          ",,_..........}.>-._...................................|.......`=~-, \n"
                          ".....`=~-,__......`,................................. \n"
                          "...................`=~-,,.,........................... \n"
                          ".........................`:,,..........................`\n"
                          "...........................`=-,...............,%%`>--==`` \n"
                          ".................................._.........._,-%%...` \n"
                          "...................................,\n"));
    }

    static void ShowHelp(const HECL::SystemString& toolName)
    {
        /* Select tool's help-text streamer */
        HelpOutput::HelpFunc helpFunc = NULL;
        if (toolName == _S("init"))
            helpFunc = ToolInit::Help;
        else if (toolName == _S("spec"))
            helpFunc = ToolSpec::Help;
        else if (toolName == _S("extract"))
            helpFunc = ToolExtract::Help;
        else if (toolName == _S("add"))
            helpFunc = ToolAdd::Help;
        else if (toolName == _S("remove") || toolName == _S("rm"))
            helpFunc = ToolRemove::Help;
        else if (toolName == _S("group"))
            helpFunc = ToolGroup::Help;
        else if (toolName == _S("cook"))
            helpFunc = ToolCook::Help;
        else if (toolName == _S("clean"))
            helpFunc = ToolClean::Help;
        else if (toolName == _S("package") || toolName == _S("pack"))
            helpFunc = ToolPackage::Help;
        else if (toolName == _S("help"))
            helpFunc = ToolHelp::Help;
        else
        {
            throw HECL::Exception(_S("unrecognized tool '") + toolName + _S("' - can't help"));
            return;
        }

        HelpOutput ho(helpFunc);
        ho.go();
    }

    HECL::SystemString toolName() const {return _S("help");}

    int run()
    {
        ShowHelp(m_info.args[0]);
        return 0;
    }
};

#endif // CTOOL_HELP