#pragma once

#include <QString>
#include <QStringList>
#include <QList>
#include <QMap>

#include <exception>

using CRSMConfigException = std::logic_error;

namespace CRSMConfigValueType {
enum Type {
    None,
    String,
    Integer,
    Boolean,
    List,
    Map
};
}

class CRSMConfigValueBase {
public:

    virtual void setValue(const QString&) {  }
    virtual QString value() { return ""; }
    virtual CRSMConfigValueType::Type type() { return CRSMConfigValueType::Type::None; }
};

template<typename Type>
class CRSMConfigValue : public CRSMConfigValueBase {
public:
//    CRSMConfigValue(Type&) {  }

    virtual void setValue(const QString&) { throw CRSMConfigException("Cannot assign"); }
    virtual QString value() { throw CRSMConfigException("Cannot get the value"); }
};

using String = QString;
using Integer = int;
using Boolean = bool;
#define List(Type) QList<Type>
#define Map(KeyType, ValueType) QMap<KeyType, ValueType>

template<>
class CRSMConfigValue<String> : public CRSMConfigValueBase {
    String& config;

public:
    CRSMConfigValue(String& config) : config(config) {  }

    virtual void setValue(const QString& value) { config = value; }
    virtual QString value() { return config; }
    virtual CRSMConfigValueType::Type type() { return CRSMConfigValueType::Type::String; }
};

template<>
class CRSMConfigValue<Integer> : public CRSMConfigValueBase {
    Integer& config;

public:
    CRSMConfigValue(Integer& config) : config(config) {  }

    virtual void setValue(const QString& value)
    {
        bool ok = true;
        Integer val = value.toInt(&ok, 0);
        if(!ok) throw CRSMConfigException("\"" + value.toStdString() + "\" could not be parsed as an Integer");
        config = val;
    }
    virtual QString value() { return QString::number(config); }
    virtual CRSMConfigValueType::Type type() { return CRSMConfigValueType::Type::Integer; }
};

template<>
class CRSMConfigValue<Boolean> : public CRSMConfigValueBase {
    Boolean& config;

public:
    CRSMConfigValue(Boolean& config) : config(config) {  }

    virtual void setValue(const QString& value)
    {
        if(value == "true")
        {
            config = true;
        }
        else if(value == "false")
        {
            config = false;
        }
        else
        {
            throw CRSMConfigException("\"" + value.toStdString() + "\" could not be parsed as a Boolean");
        }
    }
    virtual QString value() { return config ? "true" : "false"; }
    virtual CRSMConfigValueType::Type type() { return CRSMConfigValueType::Type::Boolean; }
};

class CRSMConfigValueList : public CRSMConfigValueBase {
public:
    virtual void append(const QString& entry) = 0;
    virtual QStringList getValues() = 0;
};

class CRSMConfigValueMap : public CRSMConfigValueBase {
public:
    virtual void setKeyValue(const QString& key, const QString& value) = 0;
    virtual QMap<QString, QString> getValues() = 0;
};

template<typename Type>
class CRSMConfigValue<QList<Type>> : public CRSMConfigValueList {
    using ListType = QList<Type>;

    ListType& config;

public:
    CRSMConfigValue(ListType& config) : config(config) {}

    virtual ListType& list() { return config; }
    virtual CRSMConfigValueType::Type type() { return CRSMConfigValueType::Type::List; }

    virtual void append(const QString &entry)
    {
        Type val;
        CRSMConfigValue<Type> configValue(val);
        configValue.setValue(entry);
        if(!config.contains(val))
        {
            config.append(val);
        }
    }

    virtual QStringList getValues()
    {
        QStringList ret;

        foreach(Type val, config)
        {
            CRSMConfigValue<Type> value(val);
            ret.append(value.value());
        }

        return ret;
    }
};

template<typename KeyType, typename ValueType>
class CRSMConfigValue<QMap<KeyType, ValueType>> : public CRSMConfigValueMap {
    using MapType = QMap<KeyType, ValueType>;

    MapType& config;

public:
    CRSMConfigValue(MapType& config) : config(config) {}

    virtual MapType& map() { return config; }
    virtual CRSMConfigValueType::Type type() { return CRSMConfigValueType::Type::Map; }

    virtual void setKeyValue(const QString& key, const QString& value)
    {
        KeyType keyVal;
        CRSMConfigValue<KeyType> keyConfigValue(keyVal);
        keyConfigValue.setValue(key);
        ValueType valueVal;
        CRSMConfigValue<ValueType> valueConfigValue(valueVal);
        valueConfigValue.setValue(value);
        config[keyVal] = valueVal;
    }

    virtual QMap<QString, QString> getValues()
    {
        QMap<QString, QString> ret;

        foreach(KeyType key, config.keys())
        {
            CRSMConfigValue<KeyType> keyValue(key);
            CRSMConfigValue<ValueType> valValue(config[key]);
            ret[keyValue.value()] = valValue.value();
        }

        return ret;
    }
};

template<typename Type>
CRSMConfigValue<Type>* mkConfigValue(Type& Value)
{
    return new CRSMConfigValue<Type>(Value);
}

class CRSMConfig
{
public:
    struct {
        Integer ManagementPort = 9372;
        String ListFolder = "ScenarioLists";
    } CRSM;

    struct {
        struct {
            String Arguments = "/fullscreen /lobby:300 /nosignup Objects.c4d";
            String Config = "config";
            String Executable = "clonk-server";
            List(String) IgnoreFolders = {"Network", "Records.c4f", "Savegames.c4f"};

            Integer EmptyTimer = 60;
        } Server;

        struct {
            struct {
                Integer Count = 5;
                Integer Time = 3;
            } AntiFlood;

            Map(Integer, String) Moderators;
            Integer RegainAdminTime = 120;
        } Chat;
    } Clonk;

    struct {
        Boolean Auto = true;
        Boolean RandomizeAuto = true;

        Integer MaxWishesPerScen = 2;
        Integer MaxWishesPerUser = 2;
        Integer UserListLength = 5;

        Map(String, String) Alias;
    } Hosting;

    struct {
        Boolean Use = false;
        String Server = "irc.euirc.net";
        String Nick = "CRSM";
        String Password = "";
        String RealName = "Dedicated Clonk server powered by CRSM";
        String Channel = "#crsm";
        Boolean UseIngameChat = false;
        String IngameChannel = "#crsm-ingame";
        String QuitMessage = "Dedicated Clonk server powered by CRSM";
        Integer ReconnectDelay = 10;
        String ScenListMessage = "A list of available scenarios is available ingame or in a lobby.";
        Map(String, String) Moderators;
    } IRC;


    struct {
        struct {
            String ReattachId = "";
        } ProcessManager;
        struct {
            struct {
                String Directory;
                String ServerNick;
                String ServerPCName;
            } Clonk;
        } Volatile;
        struct {
            Map(String, String) AliasWishes;
        } Hosting;
    } Auto;

    struct {
        Boolean ServerUses = false;
        Boolean PromptEnabled = false;
        Integer RereadLimit = 50;
    } Readline;

    explicit CRSMConfig();

    void setConfigValue(const QString& name, const QString& value);
    void addConfigListEntry(const QString& name, const QString& value);
    void setConfigMapValue(const QString& name, const QString& key, const QString& value);

    QString read(const QString& fileName);
    bool write(const QString& fileName);

    void clear();

protected:
    void addConfigValue(QString name, CRSMConfigValueBase *value);
    CRSMConfigValueBase& getConfigValue(const QString &name);

private:
#define ConfigValue(Value) {#Value, mkConfigValue(Value)}
    QMap<QString, CRSMConfigValueBase*> configValues {
           ConfigValue(CRSM.ManagementPort),
           ConfigValue(CRSM.ListFolder),



           ConfigValue(Clonk.Server.Arguments),
           ConfigValue(Clonk.Server.Config),
           ConfigValue(Clonk.Server.Executable),
           ConfigValue(Clonk.Server.EmptyTimer),
           ConfigValue(Clonk.Server.IgnoreFolders),


           ConfigValue(Clonk.Chat.AntiFlood.Count),
           ConfigValue(Clonk.Chat.AntiFlood.Time),

           ConfigValue(Clonk.Chat.Moderators),
           ConfigValue(Clonk.Chat.RegainAdminTime),



           ConfigValue(Hosting.Auto),
           ConfigValue(Hosting.RandomizeAuto),
           ConfigValue(Hosting.MaxWishesPerScen),
           ConfigValue(Hosting.MaxWishesPerUser),
           ConfigValue(Hosting.UserListLength),
           ConfigValue(Hosting.Alias),



           ConfigValue(IRC.Use),
           ConfigValue(IRC.Server),
           ConfigValue(IRC.Nick),
           ConfigValue(IRC.Password),
           ConfigValue(IRC.RealName),
           ConfigValue(IRC.Channel),
           ConfigValue(IRC.UseIngameChat),
           ConfigValue(IRC.IngameChannel),
           ConfigValue(IRC.QuitMessage),
           ConfigValue(IRC.ReconnectDelay),
           ConfigValue(IRC.ScenListMessage),
           ConfigValue(IRC.Moderators),



           ConfigValue(Auto.ProcessManager.ReattachId),


           ConfigValue(Auto.Hosting.AliasWishes),



           ConfigValue(Readline.ServerUses),
           ConfigValue(Readline.PromptEnabled),
           ConfigValue(Readline.RereadLimit)
       };

#undef ConfigValue
};


#undef String
#undef Integer
#undef Boolean
#undef List
#undef Map