#include <stdio.h>
#include <stdlib.h>

#ifdef __linux__
    #include <sys/ioctl.h>
    #include <unistd.h>
#elif _WIN32
    #include <windows.h>
    #include <conio.h>
#endif

// import sub programme
#include "test_prog.h"

/*
Photonics helper main programm
Das main programm startet die sub programme der verschienene gruppen

Autor: Noah Balsinger, Thomas Zwicker
Version: 0.1
Datum: 04.12.2024
Änderungen:
0.1 04.12.2024 Dokument erstellt
0.2 09.12.2024 Willkommensnachricht
*/

#ifdef __linux__
void get_terminal_size_linux(int argc, char **argv, int *width, int *height){
    struct winsize w;
    ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);

    *height = w.ws_row;
    *width = w.ws_col;
}

#elif _WIN32
void get_terminal_size_windows(int argc, char **argv, int *width, int *height){
    CONSOLE_SCREEN_BUFFER_INFO csbi;
    int columns, rows;

    GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
    *width = csbi.srWindow.Right - csbi.srWindow.Left + 1;
    *height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
}
#endif

void print_wellcome_line(char line[100], int spaces){
    for(int i = 0; i < spaces; i++){
        printf(" ");
    }
    printf("%s\n", line);
}

void clear_terminal(){
    #ifdef __linux__
        printf("\e[1;1H\e[2J");
    #elif _WIN32
        system("cls");
    #endif
}

void sleep_universal(int t){
    #ifdef __linux__
        sleep(t);
    #elif _WIN32
        Sleep(t * 1000);
    #endif
}

void print_wellcome(int terminal_width, int terminal_height){
    clear_terminal();

    for(int i = 0; i < (terminal_height - 10) / 2; i++){
        printf("\n");
    }

    int spaces = (terminal_width - 83) / 2;
    print_wellcome_line("__        ___ _ _ _                                                                        ", spaces);
    print_wellcome_line("\\ \\      / (_) | | | _____  _ __ ___  _ __ ___   ___ _ __      _____   _ _ __ ___        ", spaces);
    print_wellcome_line(" \\ \\ /\\ / /| | | | |/ / _ \\| '_ ` _ \\| '_ ` _ \\ / _ \\ '_ \\    |_  / | | | '_ ` _ \\", spaces);
    print_wellcome_line("  \\ V  V / | | | |   < (_) | | | | | | | | | | |  __/ | | |    / /| |_| | | | | | |       ", spaces);
    print_wellcome_line("   \\_/\\_/  |_|_|_|_|\\_\\___/|_| |_| |_|_| |_| |_|\\___|_| |_|   /___|\\__,_|_| |_| |_|  ", spaces);
    print_wellcome_line("                                                                                           ", spaces);
    print_wellcome_line(" ____  _           _   _                 _              _   _      _  __                   ", spaces);
    print_wellcome_line("|  _ \\| |__   ___ | |_| |__   ___  _ __ (_) ___ ___    | | | | ___| |/ _| ___ _ __        ", spaces);
    print_wellcome_line("| |_) | '_ \\ / _ \\| __| '_ \\ / _ \\| '_ \\| |/ __/ __|   | |_| |/ _ \\ | |_ / _ \\ '__| ", spaces);
    print_wellcome_line("|  __/| | | | (_) | |_| | | | (_) | | | | | (__\\__ \\   |  _  |  __/ |  _|  __/ |         ", spaces);
    print_wellcome_line("|_|   |_| |_|\\___/ \\__|_| |_|\\___/|_| |_|_|\\___|___/   |_| |_|\\___|_|_|  \\___|_|     ", spaces);

    sleep_universal(3);

    /*
    printf("__        ___ _ _ _                                                                ");
    printf("\ \      / (_) | | | _____  _ __ ___  _ __ ___   ___ _ __      _____   _ _ __ ___  ");
    printf(" \ \ /\ / /| | | | |/ / _ \| '_ ` _ \| '_ ` _ \ / _ \ '_ \    |_  / | | | '_ ` _ \ ");
    printf("  \ V  V / | | | |   < (_) | | | | | | | | | | |  __/ | | |    / /| |_| | | | | | |");
    printf("   \_/\_/  |_|_|_|_|\_\___/|_| |_| |_|_| |_| |_|\___|_| |_|   /___|\__,_|_| |_| |_|");
    printf("                                                                                   ");
    printf(" ____  _           _   _                 _              _   _      _  __           ");
    printf("|  _ \| |__   ___ | |_| |__   ___  _ __ (_) ___ ___    | | | | ___| |/ _| ___ _ __ ");
    printf("| |_) | '_ \ / _ \| __| '_ \ / _ \| '_ \| |/ __/ __|   | |_| |/ _ \ | |_ / _ \ '__|");
    printf("|  __/| | | | (_) | |_| | | | (_) | | | | | (__\__ \   |  _  |  __/ |  _|  __/ |   ");
    printf("|_|   |_| |_|\___/ \__|_| |_|\___/|_| |_|_|\___|___/   |_| |_|\___|_|_|  \___|_|   ");
    */
}

int main(int argc, char **argv){
    int width = 0;
    int height = 0;
    int os = 0;  // 0 == None, 1 = linux, 2 = windows

    // Terminal grösse herauslesen
    #ifdef __linux__
        os = 1;
        get_terminal_size_linux(argc, argv, &width, &height);
    #elif _WIN32
        os = 2;
        get_terminal_size_windows(argc, argv, &width, &height);
    #endif

    
    // int x = test_gruppe_programmname();


    printf ("lines %d\n", height);
    printf ("columns %d\n", width);

    // neues terminal öffnen (nur linux)
    system("tput smcup");

    // print wellcome message
    print_wellcome(width, height);

    // zürück zum alten terminal (nur linux)
    system("tput rmcup");

    return 0;
}