#include <SDL/SDL.h>
#include <SDL/SDL_image.h>
#include <SDL/SDL_Resize.h>
#include <SDL/SDL_ttf.h>
#include <string>
#include <vector>

using std::string;
using std::vector;

SDL_Surface* LoadImage(string);
void ApplySurface(int, int, SDL_Surface*, SDL_Surface*);
void Menu();
char* GetOption(int);

const int ScreenWidth = 1000;
const int ScreenHeight = 800;
const int ScreenBPP = 32;

int State = 0;

SDL_Surface *Screen = NULL;

int main(int argc, char *argv[])
{
    if(SDL_Init(SDL_INIT_EVERYTHING) == -1)
        return -1;

    else if(TTF_Init() == -1)
        return -1;

    Screen = SDL_SetVideoMode(ScreenWidth, ScreenHeight, ScreenBPP, SDL_SWSURFACE);

    if(Screen == NULL)
        return -1;

    while(true)
    {
        switch(State)
        {
            case 0:
                Menu();
                break;
        }
    }
}

SDL_Surface* LoadImage(string Image)
{
    SDL_Surface* LoadedImage = NULL;
    SDL_Surface* OptimizedImage = NULL;

    LoadedImage = IMG_Load(Image.c_str());

    if(LoadedImage != NULL)
    {
        OptimizedImage = SDL_DisplayFormat(LoadedImage);
        SDL_FreeSurface(LoadedImage);
    }

    return OptimizedImage;
}

void ApplySurface(int XCoor, int YCoor, SDL_Surface *Source, SDL_Surface *Destination)
{
    SDL_Rect Offset;

    Offset.x = XCoor;
    Offset.y = YCoor;

    SDL_BlitSurface(Source, NULL, Destination, &Offset);
}

void Menu()
{
    bool Running = true;
    int Displace = 0, Counter;
    const int OptionCount = 4;
    SDL_Event Event;
    TTF_Font *Font = NULL;
    SDL_Color TextColor = {192, 192, 192};
    SDL_Surface *Background = NULL;
    vector<SDL_Surface*> Button(OptionCount);
    vector<SDL_Surface*> Message(OptionCount);

    SDL_WM_SetCaption("Mirrors of Elixia :: Menu", NULL);

    Font = TTF_OpenFont("DragonFont.ttf", 28);

    Background = LoadImage("background.jpg");
    Background = SDL_Resize(Background, ScreenWidth, ScreenHeight, false, 3);
    ApplySurface(0, 0, Background, Screen);

    for(Counter = 0; Counter < Button.size(); Counter++)
    {
        Message[Counter] = NULL;
        Message[Counter] = TTF_RenderText_Solid(Font, GetOption(Counter), TextColor);

        Button[Counter] = NULL;
        Button[Counter] = LoadImage("button.jpg");
        Button[Counter] = SDL_Resize(Button[Counter], Button[Counter]->w / 2, Button[Counter]->h / 2, false, 3);

        ApplySurface(ScreenWidth - Button[Counter]->w - 10, 15 + Displace, Button[Counter], Screen);
        ApplySurface(ScreenWidth - Button[Counter]->w + 40, 45 + Displace, Message[Counter], Screen);

        Displace += Button[Counter]->h + 20;
    }

    if(SDL_Flip(Screen) == -1)
        return;

    while(Running)
    {
        while(SDL_PollEvent(&Event))
        {
            if(Event.type == SDL_QUIT)
                Running = false;
        }
    }

    SDL_FreeSurface(Background);
    SDL_FreeSurface(Screen);

    SDL_Quit();
    return;
}

char* GetOption(int Code)
{
    switch(Code)
    {
        case 0:
            return "New Game";
            break;

        case 1:
            return "Saved Game";
            break;

        case 2:
            return "Settings";
            break;

        case 3:
            return "Exit";
            break;
    }
}