#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include "ui_mainwindow.h"

#include <QMainWindow>
#include <QCloseEvent>

#include <QTranslator>

#include "utilities/strings.h"

#include "modules/tb.h"

#include "modules/craplog/craplog.h"
#include "modules/crapview/crapview.h"
#include "modules/craphelp/craphelp.h"
#include "modules/crapup/crapup.h"
#include "modules/crapinfo/crapinfo.h"

#include "tools/crapnote/crapnote.h"

#include "games/crisscross/game.h"
#include "games/snake/game.h"

class QTreeWidgetItem;


QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE


//! MainWindow
/*!
    The parent window
*/
class MainWindow : public QMainWindow
{
    Q_OBJECT

public:

    explicit MainWindow( QWidget* parent=nullptr );
    ~MainWindow();


signals:

    void refreshLogs();

    void runCraplog();


private slots:

    ///////////////////
    //// OVERRIDES ////
    void closeEvent( QCloseEvent* event ) override;


    //////////////
    //// INIT ////

    void waitActiveWindow(); // CUSTOM


    //////////////
    //// TABS ////

    void on_button_Tab_Log_clicked();

    void on_button_Tab_View_clicked();

    void on_button_Tab_Conf_clicked();

    //// STATS ////

    void on_button_Tab_StatsWarn_clicked();

    void on_button_Tab_StatsSpeed_clicked();

    void on_button_Tab_StatsCount_clicked();

    void on_button_Tab_StatsDay_clicked();

    void on_button_Tab_StatsRelat_clicked();

    void on_button_Tab_StatsGlob_clicked();


    /////////////////
    //// CRAPLOG ////

    void appendToLogsList( const LogFile& log_file ); // CUSTOM

    void refreshFinished(); // CUSTOM

    void updatePerfsLabels(); // CUSTOM

    void craplogFinished(); // CUSTOM

    void afterCraplogFinished(); // CUSTOM

    void on_button_Logs_Down_clicked();

    void on_button_Logs_Up_clicked();

    void on_button_LogFiles_ViewFile_clicked();

    void on_checkBox_LogFiles_CheckAll_stateChanged(int arg1);

    void on_button_LogFiles_RefreshList_clicked();

    void on_listLogFiles_itemDoubleClicked(QTreeWidgetItem* item, int column);

    void on_listLogFiles_itemChanged(QTreeWidgetItem* item, int column);

    void on_button_LogFiles_Apache_clicked();

    void on_button_LogFiles_Nginx_clicked();

    void on_button_LogFiles_Iis_clicked();

    void on_button_MakeStats_Start_clicked();


    //////////////////
    //// CRAPVIEW ////

    void drawStatsWarn(); // CUSTOM

    void drawStatsSpeed(); // CUSTOM

    void drawStatsCount(); // CUSTOM

    void drawStatsDay(); // CUSTOM

    void drawStatsRelat(); // CUSTOM

    void drawStatsGlobals(); // CUSTOM

    //// WARNINGS ////

    void on_box_StatsWarn_WebServer_currentIndexChanged(int index);

    void on_box_StatsWarn_Year_currentIndexChanged(int index);

    void on_box_StatsWarn_Month_currentIndexChanged(int index);

    void on_box_StatsWarn_Day_currentIndexChanged(int index);

    void on_checkBox_StatsWarn_Hour_stateChanged(int state);

    void on_box_StatsWarn_Hour_currentIndexChanged(int index);

    void on_button_StatsWarn_Draw_clicked();

    void on_button_StatsWarn_Update_clicked();

    //// SPEED ////

    void on_box_StatsSpeed_WebServer_currentIndexChanged(int index);

    void on_box_StatsSpeed_Year_currentIndexChanged(int index);

    void on_box_StatsSpeed_Month_currentIndexChanged(int index);

    void on_box_StatsSpeed_Day_currentIndexChanged(int index);

    void on_button_StatsSpeed_Draw_clicked();

    //// COUNTS ////

    void on_box_StatsCount_WebServer_currentIndexChanged(int index);

    void on_box_StatsCount_Year_currentIndexChanged(int index);

    void on_box_StatsCount_Month_currentIndexChanged(int index);

    void on_box_StatsCount_Day_currentIndexChanged(int index);

    void on_button_StatsCount_Protocol_clicked();

    void on_button_StatsCount_Method_clicked();

    void on_button_StatsCount_Uri_clicked();

    void on_button_StatsCount_Query_clicked();

    void on_button_StatsCount_Response_clicked();

    void on_button_StatsCount_Referrer_clicked();

    void on_button_StatsCount_Cookie_clicked();

    void on_button_StatsCount_UserAgent_clicked();

    void on_button_StatsCount_Client_clicked();

    //// DAY-TIME ////

    void on_box_StatsDay_WebServer_currentIndexChanged(int index);

    void on_box_StatsDay_LogsField_currentIndexChanged(int index);

    void on_box_StatsDay_FromYear_currentIndexChanged(int index);

    void on_box_StatsDay_FromMonth_currentIndexChanged(int index);

    void on_box_StatsDay_FromDay_currentIndexChanged(int index);

    void on_checkBox_StatsDay_Period_stateChanged(int state);

    void on_box_StatsDay_ToYear_currentIndexChanged(int index);

    void on_box_StatsDay_ToMonth_currentIndexChanged(int index);

    void on_box_StatsDay_ToDay_currentIndexChanged(int index);

    void on_button_StatsDay_Draw_clicked();

    //// RELATIONAL ////

    void on_box_StatsRelat_WebServer_currentIndexChanged(int index);

    void on_box_StatsRelat_LogsField_1_currentIndexChanged(int index);

    void on_box_StatsRelat_LogsField_2_currentIndexChanged(int index);

    void on_box_StatsRelat_FromYear_currentIndexChanged(int index);

    void on_box_StatsRelat_FromMonth_currentIndexChanged(int index);

    void on_box_StatsRelat_FromDay_currentIndexChanged(int index);

    void on_box_StatsRelat_ToYear_currentIndexChanged(int index);

    void on_box_StatsRelat_ToMonth_currentIndexChanged(int index);

    void on_box_StatsRelat_ToDay_currentIndexChanged(int index);

    void on_button_StatsRelat_Draw_clicked();

    void on_button_StatsGlob_Apache_clicked();

    void on_button_StatsGlob_Nginx_clicked();

    void on_button_StatsGlob_Iis_clicked();


    /////////////////
    //// CRAPSET ////

    //// WINDOW ////

    void on_checkBox_ConfWindow_Geometry_clicked(bool checked);

    void on_box_ConfWindow_Theme_currentIndexChanged(int index);

    void on_box_ConfWindow_Icons_currentIndexChanged(int index);

    //// DIALOGS ////

    void on_slider_ConfDialogs_General_sliderReleased();

    void on_slider_ConfDialogs_Logs_sliderReleased();

    void on_slider_ConfDialogs_Stats_sliderReleased();

    //// TEXT BROWSER ////

    void on_box_ConfTextBrowser_Font_currentIndexChanged(int index);

    void on_checkBox_ConfTextBrowser_WideLines_clicked(bool checked);

    void on_box_ConfTextBrowser_ColorScheme_currentIndexChanged(int index);

    //// CHARTS ////

    void on_box_ConfCharts_Theme_currentIndexChanged(int index);

    //// DATABASES ////

    void on_inLine_ConfDatabases_Data_Path_textChanged(const QString &arg1);

    void on_inLine_ConfDatabases_Data_Path_returnPressed();

    void on_button_ConfDatabases_Data_Save_clicked();

    void on_inLine_ConfDatabases_Hashes_Path_textChanged(const QString &arg1);

    void on_inLine_ConfDatabases_Hashes_Path_returnPressed();

    void on_button_ConfDatabases_Hashes_Save_clicked();

    void on_checkBox_ConfDatabases_DoBackup_clicked(bool checked);

    void on_spinBox_ConfDatabases_NumBackups_valueChanged(int arg1);

    //// LOGS DEFAULTS ////

    void on_radio_ConfDefaults_Apache_toggled(bool checked);

    void on_radio_ConfDefaults_Nginx_toggled(bool checked);

    void on_radio_ConfDefaults_Iis_toggled(bool checked);

    //// LOGS CONTROL ////

    void on_checkBox_ConfControl_Usage_clicked(bool checked);

    void on_checkBox_ConfControl_Size_clicked(bool checked);

    void on_spinBox_ConfControl_Size_editingFinished();

    //// APACHE ////

    void on_inLine_ConfApache_Path_String_textChanged(const QString &arg1);

    void on_inLine_ConfApache_Path_String_returnPressed();

    void on_button_ConfApache_Path_Save_clicked();

    void on_inLine_ConfApache_Format_String_cursorPositionChanged(int arg1, int arg2);

    void on_inLine_ConfApache_Format_String_returnPressed();

    void on_button_ConfApache_Format_Save_clicked();

    void on_button_ConfApache_Format_Sample_clicked();

    void on_button_ConfApache_Format_Help_clicked();

    void on_box_ConfApache_Warnlist_Field_currentTextChanged(const QString &arg1);

    void on_checkBox_ConfApache_Warnlist_Used_clicked(bool checked);

    void on_inLine_ConfApache_Warnlist_String_cursorPositionChanged(int arg1, int arg2);

    void on_inLine_ConfApache_Warnlist_String_returnPressed();

    void on_button_ConfApache_Warnlist_Add_clicked();

    void on_list_ConfApache_Warnlist_List_itemSelectionChanged();

    void on_button_ConfApache_Warnlist_Remove_clicked();

    void on_button_ConfApache_Warnlist_Up_clicked();

    void on_button_ConfApache_Warnlist_Down_clicked();

    void on_box_ConfApache_Blacklist_Field_currentTextChanged(const QString &arg1);

    void on_checkBox_ConfApache_Blacklist_Used_clicked(bool checked);

    void on_inLine_ConfApache_Blacklist_String_cursorPositionChanged(int arg1, int arg2);

    void on_inLine_ConfApache_Blacklist_String_returnPressed();

    void on_button_ConfApache_Blacklist_Add_clicked();

    void on_list_ConfApache_Blacklist_List_itemSelectionChanged();

    void on_button_ConfApache_Blacklist_Remove_clicked();

    void on_button_ConfApache_Blacklist_Up_clicked();

    void on_button_ConfApache_Blacklist_Down_clicked();

    //// NGINX ////

    void on_inLine_ConfNginx_Path_String_textChanged(const QString &arg1);

    void on_inLine_ConfNginx_Path_String_returnPressed();

    void on_button_ConfNginx_Path_Save_clicked();

    void on_inLine_ConfNginx_Format_String_cursorPositionChanged(int arg1, int arg2);

    void on_inLine_ConfNginx_Format_String_returnPressed();

    void on_button_ConfNginx_Format_Save_clicked();

    void on_button_ConfNginx_Format_Sample_clicked();

    void on_button_ConfNginx_Format_Help_clicked();

    void on_box_ConfNginx_Warnlist_Field_currentTextChanged(const QString &arg1);

    void on_checkBox_ConfNginx_Warnlist_Used_clicked(bool checked);

    void on_inLine_ConfNginx_Warnlist_String_cursorPositionChanged(int arg1, int arg2);

    void on_inLine_ConfNginx_Warnlist_String_returnPressed();

    void on_button_ConfNginx_Warnlist_Add_clicked();

    void on_list_ConfNginx_Warnlist_List_itemSelectionChanged();

    void on_button_ConfNginx_Warnlist_Remove_clicked();

    void on_button_ConfNginx_Warnlist_Up_clicked();

    void on_button_ConfNginx_Warnlist_Down_clicked();

    void on_box_ConfNginx_Blacklist_Field_currentTextChanged(const QString &arg1);

    void on_checkBox_ConfNginx_Blacklist_Used_clicked(bool checked);

    void on_inLine_ConfNginx_Blacklist_String_cursorPositionChanged(int arg1, int arg2);

    void on_inLine_ConfNginx_Blacklist_String_returnPressed();

    void on_button_ConfNginx_Blacklist_Add_clicked();

    void on_list_ConfNginx_Blacklist_List_itemSelectionChanged();

    void on_button_ConfNginx_Blacklist_Remove_clicked();

    void on_button_ConfNginx_Blacklist_Up_clicked();

    void on_button_ConfNginx_Blacklist_Down_clicked();

    //// IIS ////

    void on_inLine_ConfIis_Path_String_textChanged(const QString &arg1);

    void on_inLine_ConfIis_Path_String_returnPressed();

    void on_button_ConfIis_Path_Save_clicked();

    void on_radio_ConfIis_Format_W3C_toggled(bool checked);

    void on_radio_ConfIis_Format_NCSA_toggled(bool checked);

    void on_radio_ConfIis_Format_IIS_toggled(bool checked);

    void on_inLine_ConfIis_Format_String_cursorPositionChanged(int arg1, int arg2);

    void on_inLine_ConfIis_Format_String_returnPressed();

    void on_button_ConfIis_Format_Save_clicked();

    void on_button_ConfIis_Format_Sample_clicked();

    void on_button_ConfIis_Format_Help_clicked();

    void on_box_ConfIis_Warnlist_Field_currentTextChanged(const QString &arg1);

    void on_checkBox_ConfIis_Warnlist_Used_clicked(bool checked);

    void on_inLine_ConfIis_Warnlist_String_cursorPositionChanged(int arg1, int arg2);

    void on_inLine_ConfIis_Warnlist_String_returnPressed();

    void on_button_ConfIis_Warnlist_Add_clicked();

    void on_list_ConfIis_Warnlist_List_itemSelectionChanged();

    void on_button_ConfIis_Warnlist_Remove_clicked();

    void on_button_ConfIis_Warnlist_Up_clicked();

    void on_button_ConfIis_Warnlist_Down_clicked();

    void on_box_ConfIis_Blacklist_Field_currentTextChanged(const QString &arg1);

    void on_checkBox_ConfIis_Blacklist_Used_clicked(bool checked);

    void on_inLine_ConfIis_Blacklist_String_cursorPositionChanged(int arg1, int arg2);

    void on_inLine_ConfIis_Blacklist_String_returnPressed();

    void on_button_ConfIis_Blacklist_Add_clicked();

    void on_list_ConfIis_Blacklist_List_itemSelectionChanged();

    void on_button_ConfIis_Blacklist_Remove_clicked();

    void on_button_ConfIis_Blacklist_Up_clicked();

    void on_button_ConfIis_Blacklist_Down_clicked();


    ///////////////
    //// MENU ////

    //// LANGUAGE ////

    void menu_actionEnglishGb_triggered();

    void menu_actionEspanolEs_triggered();

    void menu_actionFrancaisFr_triggered();

    void menu_actionItalianoIt_triggered();

    void menu_actionJapaneseJp_triggered();

    void menu_actionPortuguesBr_triggered();

    //// TOOLS ////

    void menu_actionBlockNote_triggered();

    //// UTILITIES ////

    void menu_actionInfos_triggered();

    void menu_actionCheckUpdates_triggered();

    //// GAMES ////

    void menu_actionCrissCross_triggered();

    void menu_actionSnake_triggered();


private:
    Ui::MainWindow* ui;

    // current version of LogDoctor
    const float version{ 2.04 };

    // web servers ID constants
    const unsigned APACHE_ID{11}, NGINX_ID{12}, IIS_ID{13};
    const QString wsFromIndex( const int index ) const;


    //////////////////////////
    //// OPERATING SYSTEM ////

    const std::string home_path{ StringOps::rstrip( QStandardPaths::locate( QStandardPaths::HomeLocation, "", QStandardPaths::LocateDirectory ).toStdString(), '/' ) };

    // 1: linux, 2:windows, 3:mac
    #if defined( Q_OS_DARWIN )
        // Darwin-based systems: macOS, iOS, watchOS and tvOS.
        const unsigned int OS{ 3 };
        const std::string configs_path { this->home_path + "/Lybrary/Preferences/LogDoctor/logdoctor.conf" };
        const std::string logdoc_path  { this->home_path + "/Lybrary/Application Support/LogDoctor" };
    #elif defined( Q_OS_WIN )
        // Microsoft Windows systems
        const unsigned int OS{ 2 };
        const std::string configs_path { this->home_path + "/AppData/Local/LogDoctor/logdoctor.conf" };
        const std::string logdoc_path  { this->home_path + "/AppData/Local/LogDoctor" };
    #elif defined( Q_OS_UNIX )
        // Unix-like systems: Linux, BSD and SysV
        const unsigned int OS{ 1 };
        const std::string configs_path { this->home_path + "/.config/LogDoctor/logdoctor.conf" };
        const std::string logdoc_path  { "/usr/share/LogDoctor" };
    #else
        #error "System not supported"
    #endif


    //! Defines OS specific stuff
    void defineOSspec();


    ////////////////////////
    //// CONFIGURATIONS ////
    ////////////////////////

    //! Reads the configurations file and apply the resulting configuration
    void readConfigs();

    //! Writes the current configuration on file
    void writeConfigs();

    //! Converts a list of items to a string
    /*!
        \param list The list to stringify
        \param user_agents Whether to apply the special rule to parse user-agents lists or not
        \return The resulting string
        \see writeConfigs()
    */
    const std::string list2string( const std::vector<std::string>& list, const bool user_agent=false ) const;

    //! Retrieves a list of items from the given string
    /*!
        \param list The list to stringify
        \param user_agents Whether to apply the special rule to parse user-agents lists or not
        \return The resulting list
        \see readConfigs()
    */
    const std::vector<std::string> string2list( const std::string& string, const bool user_agent=false ) const;

    // string to bool and vice versa
    const std::unordered_map<std::string, bool> s2b{ {"true",true}, {"false",false} };
    const std::unordered_map<bool, std::string> b2s{ {true,"true"}, {false,"false"} };


    //////////////////
    //// LANGUAGE ////

    QTranslator translator;

    std::string language{ "en_GB" };

    //! Translates the UI to the selected language
    void updateUiLanguage();


    /////////////////////////
    //// WINDOW GEOMETRY ////

    //! Converts the window's geometry to string
    /*!
        \see writeConfigs()
    */
    const std::string geometryToString() const;

    //! Retrieves the window geometry from the given string
    /*!
        \see readConfigs()
    */
    void setGeometryFromString( const std::string& geometry );


    /////////////////
    //// GENERAL ////

    // quantoty of informational dialogs to display
    int dialogs_level{ 2 }; // 0: essential, 1: usefull, 2: explanatory

    // default web server
    unsigned default_ws{ 11 };


    //////////////////
    //// GRAPHICS ////
    //////////////////

    // remember window position and sizes
    bool remember_window{ true };

    // themes
    int window_theme_id { 0 };
    int charts_theme_id { 0 };
    int icons_theme_id  { 0 };

    QString icons_theme;

    //! Auto-detects the icon-set to use depending on the current window theme
    void detectIconsTheme();

    //! Updates the icons on the window
    void updateUiIcons();

    //! Updates the window theme
    void updateUiTheme();

    //! Updates the fonts on the window
    void updateUiFonts();

    const std::vector<QChart::ChartTheme> CHARTS_THEMES{
        QChart::ChartTheme::ChartThemeLight,
        QChart::ChartTheme::ChartThemeDark,
        QChart::ChartTheme::ChartThemeBrownSand,
        QChart::ChartTheme::ChartThemeBlueCerulean
    };

    // color schemes
    std::unordered_map<int, std::unordered_map<std::string, QString>> TB_COLOR_SCHEMES;

    // colors
    std::unordered_map<std::string, QColor> COLORS;

    // fonts
    std::unordered_map<std::string, QFont>  FONTS;

    int font_size       { 13 };
    int font_size_big   { 16 };
    int font_size_small { 10 };

    // base font families, to build fonts from
    QString main_font_family;
    QString alternative_font_family;
    QString script_font_family;


    /////////////////////
    //// GENERAL USE ////
    /////////////////////

    QScopedPointer<QTimer> waiter_timer;
    std::chrono::system_clock::time_point waiter_timer_start;
    /*std::chrono::system_clock::duration   waiter_timer_elapsed;*/


    //! Resolves the given path and returns the canonical path
    const std::string resolvePath( const std::string& path ) const;

    //! Returns the parent folder of the given path
    const std::string parentPath( const std::string& path ) const;


    ////////////////
    //// CHECKS ////
    ////////////////

    bool initiating{ true };

    bool db_ok{ true };

    //! Makes the initial integrity checks
    void makeInitialChecks();

    //! Checks the integrity of the logs data collection database
    const bool checkDataDB();


    ///////////////////
    //// DATABASES ////
    ///////////////////

    bool db_edited{ false };

    bool db_do_backup{ true };

    unsigned db_backups_number{ 3 };

    //! Backs-up the logs data collection database
    void backupDatabase() const;

    std::string db_data_path;
    std::string db_hashes_path;

    // actions when working on a db
    bool db_working{ false };

    //! Called when a member begins/ends performing operations on the database
    void setDbWorkingState( const bool working );

    const bool dbUsable();


    //////////////////
    //// CRAPTABS ////
    //////////////////

    void switchMainTab( const int new_index );


    /////////////////
    //// CRAPLOG ////
    /////////////////

    Craplog craplog;

    void craplogStarted();

    void checkMakeStats_Makable();


    //////////////
    //// LOGS ////

    bool loading_LogsList{ false };

    void disableAllButtons_LogFiles_WS();
    void enableAllButtons_LogFiles_WS();

    bool hide_used_files{ false };
    bool refreshing_list{ false };


    //////////////////////
    //// TEXT BROWSER ////

    TextBrowser TB;


    //////////////////////////
    //// LOGS PERFORMANCE ////

    void resetPerfsLabels();

    bool force_updating_labels{ false };


    //////////////////
    //// CRAPVIEW ////
    //////////////////

    Crapview crapview;

    QScopedPointer<QTimer> crapview_timer;

    // change tab
    void switchStatsTab( const int new_index );

    //! Queries the available dates from the db and apply to the tabs
    /*!
        \see Crapview::refreshDates()
    */
    void refreshStatsDates();

    // check if drawing conditions are met
    void checkStatsWarnDrawable();
    void checkStatsSpeedDrawable();
    void checkStatsCountDrawable();
    void checkStatsDayDrawable();
    void checkStatsRelatDrawable();

    // count
    QString count_fld;
    void makeStatsCount();
    void resetStatsCountButtons();

    // globals
    QString glob_ws;
    void makeStatsGlob();
    void resetStatsGlob();


    /////////////////
    //// CRAPSET ////
    /////////////////

    void refreshTextBrowserPreview();

    void refreshChartsPreview();

    const int getIisLogsModule() const;


    //////////////////
    //// CRAPHELP ////
    //////////////////

    QScopedPointer<Craphelp> craphelp;

    void showHelp( const std::string& file_name );


    ////////////////
    //// CRAPUP ////
    ////////////////

    QScopedPointer<Crapup> crapup;


    //////////////////
    //// CRAPNOTE ////
    //////////////////

    QScopedPointer<Crapnote> crapnote;


    //////////////////
    //// CRAPINFO ////
    //////////////////

    QScopedPointer<Crapinfo> crapinfo;


    ///////////////////
    //// CRAPGAMES ////
    ///////////////////

    QScopedPointer<CrissCross> crisscross;

    QScopedPointer<SnakeGame> snake;

};



class CustomTreeWidgetItem : public QTreeWidgetItem {
public:
    CustomTreeWidgetItem(QTreeWidget*parent=nullptr):QTreeWidgetItem(parent){}
    bool operator < (const QTreeWidgetItem& other) const {
        const int sort_column{ this->treeWidget()->sortColumn() };
        const std::string s_str{ this->text(sort_column).toStdString() };
        const std::string o_str{ other.text(sort_column).toStdString() };
        if ( sort_column == 0 ) {
            // sort by file name
            const size_t s_sz{ s_str.size() - 1ul };
            const size_t o_sz{ o_str.size() - 1ul };
            if ( s_sz != o_sz ) {
                return s_sz < o_sz;
            }
            for (size_t i{0ul}; i<=s_sz; i++) {
                if ( s_str[i] != o_str[i] ) {
                    return s_str[i] < o_str[i];
                }
            }
        } else {
            // sort by file size
            const std::unordered_map<std::string,int> cmp{
                {"B",  0},
                {"KiB",1},
                {"MiB",2}
            };
            std::vector<std::string> s_items;
            StringOps::splitrip( s_items, s_str, ' ' );
            std::vector<std::string> o_items;
            StringOps::splitrip( o_items, o_str, ' ' );
            if ( s_items[1] != o_items[1] ) {
                return cmp.at( s_items[1] ) < cmp.at( o_items[1] );
            }
            return std::stof( s_items[0] ) < std::stof( o_items[0] );
        }
        return true;
    }
};


#endif // MAINWINDOW_H