#include "parameterManager.h"

void setPaths(Settings &settings, std::string executablePathTo)
{
    //Path settings
    executablePathTo.erase(executablePathTo.find_last_of("/\\") + 1 , executablePathTo.length() - ( executablePathTo.find_last_of("/\\") + 1) );

    if(!dirExists(executablePathTo + "src/"))
        system(std::string("mkdir \"" + executablePathTo + "src/\"").c_str());
    if(dirExists(executablePathTo + "src/"))
        executablePathTo+="src/";

    settings.cookieFilePath = executablePathTo + "S_New4_cookies";
    settings.accountFilePath = executablePathTo + "Accounts";
    settings.accountNumberPath = executablePathTo + "Account_Number";
    settings.serienListPath = executablePathTo + "SerienListe";

}


int manageParameter(Settings &settings, int argc, char **argv)
{
    //Path settings
    setPaths(settings, argv[0]);

    if(argc < 2) {
        std::cout << " => Keine Unteroption angegeben." << std::endl;
        std::cout << "Aufruf: " << getProgramName(argv[0]) << " [Unteroption] [PARAMETER]" << std::endl;
        std::cout << "„" << getProgramName(argv[0]) << " --help“ liefert weitere Informationen." << std::endl;
        return 1;
    }

    int res = compare("--help\ndefault\nurl\n--version\nsearch", argv[1]);
    if(res != 1) {
        std::cout << " => Unbekannte Unteroption: '" << argv[1] << "': Mehrere oder keine Option gefunden: " << res << " Möglichkeiten." << std::endl;
        std::cout << "Aufruf: " << getProgramName(argv[0]) << " [Unteroption] [PARAMETER]" << std::endl;
        std::cout << "„" << getProgramName(argv[0]) << " --help“ liefert weitere Informationen." << std::endl;
        return 2;
    }

    if(strncmp(argv[1], "--help", strlen(argv[1])) == 0) {
        argv[1][0] = '\0';
        return unterOption_help(&settings, argv[0]);

    } else if (strncmp(argv[1], "default", strlen(argv[1])) == 0) {
        argv[1][0] = '\0';
        return unterOption_default(&settings, argc, argv);

    } else if (strncmp(argv[1], "url", strlen(argv[1])) == 0) {
        argv[1][0] = '\0';
        return unterOption_url(&settings, argc, argv);

    } else if (strncmp(argv[1], "--version", strlen(argv[1])) == 0) {
        std::cout << "Version: " << settings.version << std::endl;
        return -1;

    } else if (strncmp(argv[1], "search", strlen(argv[1])) == 0) {
        argv[1][0] = '\0';
        return unterOption_search(&settings, argc, argv);

    } else if (false) {

        //return 0;

    } else {
        std::cout << "Error: Invalid option " << argv[1] << ", but not detected in compare-Function" << std::endl;
        return 3;
    }
}

int unterOption_help(Settings *, char * argv0)
{
    std::cout << "Aufruf: " << getProgramName(argv0) << " [Unteroption] [PARAMETER]" << std::endl << std::endl;
    std::cout << "Unteroptionen:" << std::endl
              << "\t„--help“\tListe aller Unteroptionen" << std::endl
              << "\t„--version“\tVersion des Programmes" << std::endl
              << "\t„url“\t\tModus um eigene Redirect-Links umzuwandeln." << std::endl
              << "\t„default“\tModus um Links von Serien zu bekommen." << std::endl
              << "\t„search“\tModus um Serien zu suchen." << std::endl;

    return -1;
}


int unterOption_default(Settings *settings, int argc, char ** argv)
{
    settings->modus = Modus::DEFAULT_MODUS;

    int c = 0;
    const option long_opts[] = {
        {"name", required_argument, nullptr, 'n'},
        {"ip-addresse", required_argument, nullptr, 'i'},
        {"port", required_argument, nullptr, 'p'},
        {"genauer-hoster", required_argument, nullptr, 'g'},
        {"languages", required_argument, nullptr, 'l'},
        {"output-file", required_argument, nullptr, 'o'},

        {"start-episode", required_argument, nullptr, 'e'},
        {"stop-episode", required_argument, nullptr, 'E'},
        {"start-season", required_argument, nullptr, 's'},
        {"stop-season", required_argument, nullptr, 'S'},


        {"help", no_argument, nullptr, 'h'},
        {"colorless", no_argument, nullptr, 'c'},
        {"debug-mode", no_argument, nullptr, 'd'},

        {nullptr, no_argument, nullptr, 0}

    };

    while( ( c = getopt_long (argc, argv, "n:i:p:g:l:o:e:E:s:S:hcd", long_opts, nullptr) ) != -1 ) {
        switch(c) {
            case 'n':
                if(optarg)
                    settings->name = optarg;
                if(settings->debugMode)
                    std::cout << "Name: " << settings->name << std::endl;
                break;
            case 'i':
                if(optarg)
                    settings->proxy_ip = optarg;
                if(settings->debugMode)
                    std::cout << "Proxy Ip Addresse: " << settings->proxy_ip << std::endl;
                break;
            case 'p':
                if(optarg)
                    settings->proxy_port =  atoi( optarg ) ;
                if(std::to_string(settings->proxy_port) != optarg) {
                    std::cout << "Invalid Port: " << optarg << std::endl;
                    return 10;
                } else if(settings->debugMode)
                    std::cout << "Proxy Port: " << settings->proxy_port << std::endl;
                break;
            case 'g':
                if(optarg)
                    settings->genaueHoster =+ optarg + std::string(",");
                if(settings->debugMode)
                    std::cout << "Hosterreihenfolge: " << settings->genaueHoster << std::endl;
                break;
            case 'l':
                if(optarg)
                settings->languages =+ optarg + std::string(",");
                if(settings->debugMode)
                    std::cout << "Sprachenreihenfolge: " << settings->languages << std::endl;
                break;
            case 'o':
                if(optarg)
                    settings->outputFilePath = optarg;
                if(settings->debugMode)
                    std::cout << "Pfad zu Output-Datei: " << settings->outputFilePath << std::endl;
                break;


            case 'e':
                if(!optarg)
                    break;
                settings->startEpisode = atoi(optarg);
                if (std::to_string(settings->startEpisode) != optarg) {
                    std::cout << "Error: -e [Folge]: '" << optarg << "' ist keine Zahl." << std::endl;
                    return 11;
                } else if (settings->startEpisode == 0) {
                    std::cout << "Error: -e [Folge]: StartEpisode ist 0." << std::endl;
                    return 12;
                } else if (settings->startEpisode < 0) {
                    std::cout << "Error: -e [Folge]: StartEpisode " << settings->startEpisode << " ist kleiner 0." << std::endl;
                    return 13;
                }
                if(settings->debugMode)
                    std::cout << "StartEpisode: " << settings->startEpisode << std::endl;
                break;
            case 'E':
                if(!optarg)
                    break;
                settings->stopEpisode = atoi(optarg);
                if (std::to_string(settings->stopEpisode) != optarg) {
                    std::cout << "Error: -E [Folge]: '" << optarg << "' ist keine Zahl." << std::endl;
                    return 14;
                } else if (settings->debugMode)
                    std::cout << "StopEpisode: " << settings->stopEpisode << std::endl;
                break;
            case 's':
                if(!optarg)
                    break;
                settings->startSeason = atoi(optarg);
                if (std::to_string(settings->startSeason) != optarg) {
                    std::cout << "Error: -s [Staffel]: '" << optarg << "' ist keine Zahl." << std::endl;
                    return 15;
                } else if (settings->startSeason == 0) {
                    std::cout << "Error: -s [Staffel]: StartStaffel ist 0." << std::endl;
                    return 16;
                } else if (settings->startSeason < 0) {
                    std::cout << "Error: -s [Staffel]: StartStaffel " << settings->startSeason << " ist kleiner 0." << std::endl;
                    return 17;
                } else if(settings->debugMode)
                    std::cout << "StartStaffel: " << settings->startSeason << std::endl;
                break;
            case 'S':
                if(!optarg)
                    break;
                settings->stopSeason = atoi(optarg);
                if (std::to_string(settings->stopSeason) != optarg) {
                    std::cout << "Error: -S [Staffel]: '" << optarg << "' ist keine Zahl." << std::endl;
                    return 18;
                } else if(settings->debugMode)
                    std::cout << "StopSeason: " << settings->stopSeason << std::endl;
                break;

            case 'c':
                settings->colorless = true;
                if(settings->debugMode)
                    std::cout << "Farblos: true" << std::endl;
                break;
            case 'd':
                settings->debugMode = true;
                if(settings->debugMode)
                    std::cout << "Debug Modus: true" << std::endl;
                break;
            case 'h':
                unterOption_default_help(settings, argv[0]);
                return -1;
            default:
                std::cout << "Aufruf: " << getProgramName(argv[0]) << " default [PARAMETER]" << std::endl;
                std::cout << "„" << getProgramName(argv[0]) << " default --help“ liefert weitere Informationen." << std::endl;
                return -1;
        }
    }
    if(settings->debugMode)
        std::cout << "Modus: DEFAULT_MODUS" << std::endl;
    return 0;
}

void unterOption_default_help(Settings *, char * argv0)
{
    std::cout << "Usage: " << getProgramName(argv0) << " default [ Parameter & {-n [Name]} ]..." << std::endl
              << "Parameter:" << std::endl << std::endl
              << " > Muss-Parameter:" << std::endl
              << "\t-n [Name], --name [Name]" << std::endl
              << "\t   -> Namen der Serie, deren Links du willst." << std::endl
              << std::endl
              << " > Auswahloptionen:" << std::endl
              << "\t-g [Hoster1,Hoster2,...], --genauer-hoster [Hoster1,Hoster2,...]" << std::endl
              << "\t   -> Die Namen der Hoster, deren Links du willst. Der wichtigste zuerst." << std::endl
              << "\t-l [GerDub/GerSub/Eng,...], --languages [GerDub/GerSub/Eng,...]" << std::endl
              << "\t   -> Die Sprache(n) die du willst. Die wichtigsten zuerst. Default: GerDub,GerSub,Eng" << std::endl
              << std::endl
              << " > Proxy-Optionen:" << std::endl
              << "\t-i [ProxyIPAddresse], --ip-addresse [ProxyIPAddresse]" << std::endl
              << "\t   -> Ip Addresse eines Socks5-Proxys angeben. Default: 127.0.0.1" << std::endl
              << "\t-p [ProxyPort], --port [ProxyPort]" << std::endl
              << "\t   -> Port eines Socks5-Proxy angeben. Default: 9050" << std::endl
              << std::endl
              << " > Outputoptionen:" << std::endl
              << "\t-o [Pfad], --output-file [Pfad]" << std::endl
              << "\t   -> Schreibe Links nach Redirect in diese Datei." << std::endl
              << "\t-c, --colorless" << std::endl
              << "\t   -> Keine Farben beim Output verwenden. Default: false" << std::endl
              << "\t-d, --debug-mode" << std::endl
              << "\t   -> Debug Nachrichten an. Default: false" << std::endl
              << std::endl
              << " > Durchlaufoptionen:" << std::endl
              << "\t-e [Folge], --start-episode [Folge]" << std::endl
              << "\t   -> Das Programm startet mit dieser Folge." << std::endl
              << "\t      Default: 1" << std::endl
              << "\t-E [Folge], --stop-episode [Folge]" << std::endl
              << "\t   -> - Wenn -S nicht verwendet wird, stoppt das Programm sobald die Folge erreicht wurde." << std::endl
              << "\t      - Wenn -S verwendet wird, stoppt es 1. wenn die Folge UND die Staffel erreicht wurden," << std::endl
              << "\t        2. wenn die die Staffel von -S fertig ist. Zum deaktivieren Folge <= 0 verwenden." << std::endl
              << "\t      Default: 0" << std::endl
              << "\t-s [Staffel], --start-season [Staffel]" << std::endl
              << "\t   -> Das Programm startet mit dieser Staffel." << std::endl
              << "\t      Default: 1" << std::endl
              << "\t-S [Staffel], --stop-season [Staffel]" << std::endl
              << "\t   -> Das Programm stopt mit dieser Staffel. Beachte Verwendung mit -E." << std::endl
              << "\t      Zum deaktivieren Staffel <= 0 verwenden. Default: 0" << std::endl
              << std::endl
              << " > Help-Optionen" << std::endl
              << "\t-h, --help" << std::endl;

}


int unterOption_url(Settings *settings, int argc, char **argv)
{
    settings->modus = Modus::DIRECT_LINK_MODUS;

    int c = 0;
    const option long_opts[] = {
        {"url", required_argument, nullptr, 'u'},
        {"ip-addresse", required_argument, nullptr, 'i'},
        {"port", required_argument, nullptr, 'p'},
        {"output-file", required_argument, nullptr, 'o'},

        {"help", no_argument, nullptr, 'h'},
        {"colorless", no_argument, nullptr, 'c'},
        {"debug-mode", no_argument, nullptr, 'd'},

        {nullptr, no_argument, nullptr, 0}

    };

    while( ( c = getopt_long (argc, argv, "u:i:p:o:hcd", long_opts, nullptr) ) != -1 ) {
        switch(c) {
            case 'u':
                if(optarg)
                    settings->name = optarg;
                if(settings->debugMode)
                    std::cout << "Urls: " << settings->name << std::endl;
                break;

            case 'i':
                if(optarg)
                    settings->proxy_ip = optarg;
                if(settings->debugMode)
                    std::cout << "Proxy Ip Addresse: " << settings->proxy_ip << std::endl;
                break;
            case 'p':
                if(optarg)
                    settings->proxy_port = atoi( optarg );
                if(std::to_string(settings->proxy_port) != optarg) {
                    std::cout << "Invalid Port: " << optarg << std::endl;
                    return 20;
                }
                if(settings->debugMode)
                    std::cout << "Proxy Port: " << settings->proxy_port << std::endl;
                break;
            case 'o':
                if(optarg)
                    settings->outputFilePath = optarg;
                if(settings->debugMode)
                    std::cout << "Pfad zu Output-Datei: " << settings->outputFilePath << std::endl;
                break;
            case 'c':
                settings->colorless = true;
                if(settings->debugMode)
                    std::cout << "Farblos: true" << std::endl;
                break;
            case 'd':
                settings->debugMode = true;
                if(settings->debugMode)
                    std::cout << "Debug Modus: true" << std::endl;
                break;
            case 'h':
                unterOption_url_help(settings, argv[0]);
                return -1;
            default:
                std::cout << "Aufruf: " << getProgramName(argv[0]) << " url [PARAMETER]" << std::endl;
                std::cout << "„" << getProgramName(argv[0]) << " url --help“ liefert weitere Informationen." << std::endl;
                return 21;
        }
    }
    if(settings->debugMode)
        std::cout << "Modus: DIRECT_LINK_MODUS" << std::endl;
    return 0;
}

void unterOption_url_help(Settings *, char * argv0)
{
    std::cout << "Usage: " << getProgramName(argv0) << " url [ Parameter & {-u [Url]} ]..." << std::endl
              << "Parameter:" << std::endl
              << "\t-u [Url1,Url2,...], --url [Url1,Url2,...]" << std::endl
              << "\t   -> Die zu umwandelnden redirect-Links." << std::endl
              << "\t-i [ProxyIPAddresse], --ip-addresse [ProxyIPAddresse]" << std::endl
              << "\t   -> Default: 127.0.0.1." << std::endl
              << "\t-p [ProxyPort], --port [ProxyPort]" << std::endl
              << "\t   -> Default: 9050." << std::endl
              << "\t-o [Pfad], --output-file [Pfad]" << std::endl
              << "\t-c, --colorless" << std::endl
              << "\t   -> Default: false ." << std::endl
              << "\t-d, --debug-mode" << std::endl
              << "\t   -> Debug Nachrichten an. Default: false" << std::endl
              << "\t-h, --help" << std::endl;

}


std::string getProgramName(char *argv0)
{
    return std::string(argv0).erase(0, ( (std::string(argv0).find_last_of("/\\") != std::string::npos ) ? std::string(argv0).find_last_of("/\\") +1 : 0 ) );
}

int compare(std::string All_Options_with_komma_between, std::string input)
{
    std::istringstream iStrStream( All_Options_with_komma_between + "\n");
    std::string line;
    int allFounds = 0;
    while (getline(iStrStream, line).good())
        if(strncmp(line.c_str(), input.c_str(), input.length()) == 0) {
            allFounds++;
            //std::cout << "Unteroption '" << input << "' stimmt mit '" << line << "' überein." << std::endl;
        }
    return allFounds;
}

int unterOption_search(Settings *settings, int argc, char **argv)
{
    settings->modus = Modus::Search_MODUS;

    int c = 0;
    const option long_opts[] = {
        {"name", required_argument, nullptr, 'n'},
        {"socks5-proxy", required_argument, nullptr, 'p'},

        {"help", no_argument, nullptr, 'h'},
        {"colorless", no_argument, nullptr, 'c'},
        {"debug-mode", no_argument, nullptr, 'd'},
        {"debug-mode", no_argument, nullptr, 'd'},
        {"exactly-writing", no_argument, nullptr, 'e'},
        {"update", no_argument, nullptr, 'u'},

        {nullptr, no_argument, nullptr, 0}

    };
    std::string optarg2;
    while( ( c = getopt_long (argc, argv, "n:p:hcdeu", long_opts, nullptr) ) != -1 ) {
        switch(c) {
            case 'n':
                if(optarg)
                    settings->name = optarg;
                if(settings->debugMode)
                    std::cout << "Name: " << settings->name << std::endl;
                break;
            case 'p': {
                optarg2 = optarg;
                if(!optarg || optarg2 == "")
                    break;
                else if(optarg2.find(":") == std::string::npos) {
                    std::cout << "Invalid Socks5 Proxy: " << optarg << std::endl;
                    return 31;
                }
                std::string ip = optarg2.substr(0, optarg2.find(":"));
                std::string portStr = optarg2.substr(optarg2.find(":") + 1, optarg2.length() - optarg2.find(":"));
                int port = atoi(portStr.c_str());
                if(std::to_string(port) != portStr || port <= 0) {
                    std::cout << "[-p]: Invalid Port: " << portStr << std::endl;
                    return 32;
                } else if (ip == "") {
                    std::cout << "[-p]: Invalid Ip Addresse: " << ip << std::endl;
                    return 34;
                } else if(settings->debugMode) {
                    std::cout << "Proxy Addresse: "<< ip << ":" << port << std::endl;
                }
                settings->proxy_ip = ip;
                    settings->proxy_port = port;
                }
                break;
            case 'h':
                unterOption_search_help(settings, argv[0]);
                return -1;
            case 'c':
                settings->colorless = true;
                if(settings->debugMode)
                    std::cout << "Farblos: true" << std::endl;
                break;
            case 'd':
                settings->debugMode = true;
                if(settings->debugMode)
                    std::cout << "Debug Modus: true" << std::endl;
                break;
            case 'e':
                settings->search_IgnoreUpperLower = false;
                if(settings->debugMode)
                    std::cout << "Achte auf Groß und Kleinschreibung: true" << std::endl;
                break;
            case 'u':
                settings->search_wantUpdate = true;
                if(settings->debugMode)
                    std::cout << "Update die Liste: true" << std::endl;
                break;
            default:
                std::cout << "Aufruf: " << getProgramName(argv[0]) << " search [PARAMETER]" << std::endl;
                std::cout << "„" << getProgramName(argv[0]) << " search --help“ liefert weitere Informationen." << std::endl;
                return 21;
        }
    }
    if(settings->debugMode)
        std::cout << "Modus: Search_MODUS" << std::endl;
    return 0;

}

void unterOption_search_help(Settings *, char *argv0)
{
    std::cout << "Usage: " << getProgramName(argv0) << " search [ Parameter & {-n [Name] / -u} ]..." << std::endl
              << "Parameter:" << std::endl
              << "\t-n [Name], --name [Name]" << std::endl
              << "\t   -> (Teil)Namen der gesuchten Serie." << std::endl
              << "\t-p [Socks5Proxy], --socks5-proxy [Socks5Proxy]" << std::endl
              << "\t   -> Verwende diesen Socks5-Proxy. Default: 127.0.0.1:9050" << std::endl
              << "\t-c, --colorless" << std::endl
              << "\t   -> Gib keine Farbigen Infos aus. Default: false" << std::endl
              << "\t-d, --debug-mode" << std::endl
              << "\t   -> Debug Nachrichten an. Default: false" << std::endl
              << "\t-e, --exactly-writing" << std::endl
              << "\t   -> Achte auf Groß und kleinschreibung bei der Suche. Default: false" << std::endl
              << "\t-u, --update" << std::endl
              << "\t   -> Update die Serienliste. Default: false" << std::endl
              << "\t-h, --help" << std::endl
              << "\t   -> Gibt dieses Helpmenü aus." << std::endl;

}


bool dirExists(std::string dir)
{
    struct stat sb;
    return (stat(dir.c_str(), &sb) == 0 && S_ISDIR(sb.st_mode)) ? true : false;
}