/***
    Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: ConsoleTTY.NT.cpp
    Date: 2022-5-2
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "../Console.hpp"
#include "ConsoleTTY.NT.hpp"
#include "../ColorConvert.hpp"
#include <Source/Console/ConsoleStd/ConsoleStd.hpp>

namespace Aurora::Console
{
    static HANDLE gConsole {INVALID_HANDLE_VALUE};
    static COORD gSavedCoord {};

    HANDLE GetTTYHandle()
    {
        if (gConsole != INVALID_HANDLE_VALUE)
        {
            return gConsole;
        }

        return gConsole = GetStdHandle(STD_OUTPUT_HANDLE);
    }

    AUKN_SYM void SuperSecretTTYReplacer(HANDLE console)
    {
        gConsole = console;
    }

    AUKN_SYM void TTYClearLine(EAnsiColor bgColor)
    {
        HANDLE hConsole;
        DWORD cCharsWritten;
        CONSOLE_SCREEN_BUFFER_INFO csbi;

        hConsole = GetTTYHandle();

        if (!GetConsoleScreenBufferInfo(hConsole, &csbi))
        {
            return;
        }

        if (!FillConsoleOutputCharacterW(hConsole,
            L' ',
            csbi.dwSize.X,
            COORD {0, csbi.dwCursorPosition.Y},
            &cCharsWritten))
        {
            return;
        }

        if (!FillConsoleOutputAttribute(hConsole,
            bgColor == EAnsiColor::eEnumCount ? csbi.wAttributes : kAnsiColorBackgroundToNT[AuStaticCast<AuUInt>(bgColor)],
            csbi.dwSize.X,
            COORD {0, csbi.dwCursorPosition.Y},
            &cCharsWritten))
        {
            return;
        }

        SetConsoleCursorPosition(hConsole, {0, csbi.dwCursorPosition.Y});
    }

    AUKN_SYM void TTYClearScreen()
    {
        HANDLE hConsole;
        DWORD cCharsWritten;
        CONSOLE_SCREEN_BUFFER_INFO csbi;
        DWORD dwConSize;

        hConsole = GetTTYHandle();

        if (!GetConsoleScreenBufferInfo(hConsole, &csbi))
        {
            return;
        }

        dwConSize = csbi.dwSize.X * csbi.dwSize.Y;

        if (!FillConsoleOutputCharacterW(hConsole,
                                         L' ',
                                         dwConSize,
                                         COORD {0, 0},
                                         &cCharsWritten))
        {
            return;
        }

        if (!GetConsoleScreenBufferInfo(hConsole, &csbi))
        {
            return;
        }

        if (!FillConsoleOutputAttribute(hConsole,
                                        csbi.wAttributes,
                                        dwConSize,       
                                        COORD {0, 0},     
                                        &cCharsWritten))
        {
            return;
        }

        SetConsoleCursorPosition(hConsole, {0, 0});
    }
    
    AUKN_SYM void TTYFill(char character, EAnsiColor fgColor, EAnsiColor bgColor)
    {
        DWORD attrib {0}, cCharsWritten {};
        CONSOLE_SCREEN_BUFFER_INFO csbi;
        HANDLE hConsole;

        hConsole = GetStdHandle(STD_OUTPUT_HANDLE);

        if (!GetConsoleScreenBufferInfo(hConsole, &csbi))
        {
            return;
        }

        if (fgColor != EAnsiColor::eEnumCount)
        {
            attrib |= kAnsiColorForegroundToNT[AuStaticCast<AuUInt>(fgColor)];
        } 
        else if (bgColor != EAnsiColor::eEnumCount)
        {
            attrib = FOREGROUND_WHITE;
        }

        if (bgColor != EAnsiColor::eEnumCount)
        {
            attrib |= kAnsiColorBackgroundToNT[AuStaticCast<AuUInt>(bgColor)];
        }

        if (!FillConsoleOutputCharacterW(hConsole,
            L' ',
            csbi.dwSize.X * csbi.dwSize.Y,
            COORD {0, 0},
            &cCharsWritten))
        {
            return;
        }

        if (attrib)
        {
            if (!FillConsoleOutputAttribute(hConsole,
                attrib,
                csbi.dwSize.X * csbi.dwSize.Y,
                COORD {0, 0},
                &cCharsWritten))
            {
                //return;
            }
        }
    }

    AUKN_SYM AuUInt32 TTYWrite(const void *buffer, AuUInt32 length)
    {
        return ConsoleStd::WriteStdOutBlocking2(buffer, length);
    }

    AUKN_SYM void TTYWrite(const char *string, EAnsiColor fgColor, EAnsiColor bgColor)
    {
        DWORD attrib {};
        HANDLE hConsole;

        hConsole = GetTTYHandle();

        if (fgColor != EAnsiColor::eEnumCount)
        {
            attrib |= kAnsiColorForegroundToNT[AuStaticCast<AuUInt>(fgColor)];
        }
        else
        {
            attrib = FOREGROUND_WHITE;
        }

        if (bgColor != EAnsiColor::eEnumCount)
        {
            attrib |= kAnsiColorBackgroundToNT[AuStaticCast<AuUInt>(bgColor)];
        }
        else
        {
            CONSOLE_SCREEN_BUFFER_INFO csbi;

            if (!GetConsoleScreenBufferInfo(hConsole, &csbi))
            {
                return;
            }

            attrib |= csbi.wAttributes & (BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY);
        }

        SetConsoleTextAttribute(hConsole, attrib);
        TTYWrite(string, strlen(string));
        SetConsoleTextAttribute(hConsole, FOREGROUND_WHITE);
    }

    AUKN_SYM void TTYReturnHome()
    {
        SetConsoleCursorPosition(GetTTYHandle(), {0, 0});
    }

    AUKN_SYM AuPair<AuUInt32, AuUInt32> TTYScreenSize()
    {
        CONSOLE_SCREEN_BUFFER_INFO csbi;

        if (!GetConsoleScreenBufferInfo(GetTTYHandle(), &csbi))
        {
            return {};
        }

        return AuMakePair(AuStaticCast<AuUInt32>(csbi.srWindow.Right - csbi.srWindow.Left + 1),
                          AuStaticCast<AuUInt32>(csbi.srWindow.Bottom - csbi.srWindow.Top + 1));
    }

    AUKN_SYM void TTYStorePos()
    {
        CONSOLE_SCREEN_BUFFER_INFO csbi;

        if (!GetConsoleScreenBufferInfo(GetTTYHandle(), &csbi))
        {
            return;
        }

        gSavedCoord = csbi.dwCursorPosition;
    }

    AUKN_SYM void TTYRestorePos()
    {
        SetConsoleCursorPosition(GetTTYHandle(), gSavedCoord);
    }

    AUKN_SYM void TTYMoveY(AuInt16 lines)
    {
        CONSOLE_SCREEN_BUFFER_INFO csbi;
        HANDLE hConsole;

        hConsole = GetTTYHandle();

        if (!GetConsoleScreenBufferInfo(hConsole, &csbi))
        {
            return;
        }

        csbi.dwCursorPosition.Y += lines;
        SetConsoleCursorPosition(hConsole, gSavedCoord);
    }

    AUKN_SYM void TTYMoveX(AuInt16 lines)
    {
        CONSOLE_SCREEN_BUFFER_INFO csbi;
        HANDLE hConsole;

        hConsole = GetTTYHandle();

        if (!GetConsoleScreenBufferInfo(hConsole, &csbi))
        {
            return;
        }

        csbi.dwCursorPosition.X += lines;
        SetConsoleCursorPosition(hConsole, gSavedCoord);
    }

    AUKN_SYM void TTYSetY(AuUInt16 Y)
    {
        CONSOLE_SCREEN_BUFFER_INFO csbi;
        HANDLE hConsole;

        hConsole = GetTTYHandle();

        if (!GetConsoleScreenBufferInfo(hConsole, &csbi))
        {
            return;
        }

        csbi.dwCursorPosition.Y = Y;
        SetConsoleCursorPosition(hConsole, gSavedCoord);
    }

    AUKN_SYM void TTYSetX(AuUInt16 X)
    {
        CONSOLE_SCREEN_BUFFER_INFO csbi;
        HANDLE hConsole;

        hConsole = GetTTYHandle();

        if (!GetConsoleScreenBufferInfo(hConsole, &csbi))
        {
            return;
        }

        csbi.dwCursorPosition.X = X;
        SetConsoleCursorPosition(hConsole, gSavedCoord);
    }

    AUKN_SYM void TTYSetPos(AuPair<AuUInt32, AuUInt32> position)
    {
        SetConsoleCursorPosition(GetTTYHandle(), COORD {AuStaticCast<short>(position.first), AuStaticCast<short>(position.second)});
    }
}