#include <stdio.h>
#include <stdlib.h>
#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#include <stdbool.h>

#include "settings.h"

#define Slider_height 100
#define Scalar_width  20
#define Bar_width     400
#define round(x) ((int)((x) + .5))

SDL_Texture * Settings_Texture;
SDL_Texture * Settings_Ball_Texture;

SDL_Rect Settings_rect;
SDL_Rect Settings_Ball_rect;
Slider BV;
Slider BS;
Slider BT;

bool Settings_IsInit = false;

<<<<<<< HEAD
void Settings_Initialize (SDL_Renderer* renderer) {
  Initialize_Slider(400,300,Scalar_width,Bar_width,Slider_height,1,2,&BV);
  Initialize_Slider(400,500,Scalar_width,Bar_width,Slider_height,10.0f,20.0f,&BS);
  Initialize_Slider(400,700,Scalar_width,Bar_width,Slider_height,0,1,&BT);
  Settings_Texture = IMG_LoadTexture(renderer, "assets/images/settings_title.png");
  Settings_rect = (SDL_Rect){.x = 800, .y = 130, .w=470, .h=150};
  Settings_Ball_Texture = IMG_LoadTexture(renderer, "assets/images/ball.png");
  Settings_Ball_rect = (SDL_Rect){.x = 1200, .y = 300, .w=100, .h=100};
  Settings_IsInit = true;
=======
void Settings_Initialize(SDL_Renderer * renderer) {
    Initialize_Slider(400, 300, Scalar_width, Bar_width, Slider_height, 1, 2, &BV);
    Initialize_Slider(400, 500, Scalar_width, Bar_width, Slider_height, 10.0f, 20.0f, &BS);
    Initialize_Slider(400, 700, Scalar_width, Bar_width, Slider_height, 0, 8, &BT);
    Settings_Texture = IMG_LoadTexture(renderer, "assets/images/settings_title.png");
    Settings_rect = (SDL_Rect) {.x = 800, .y = 180, .w = 313, .h = 100 };
    Settings_Ball_Texture = IMG_LoadTexture(renderer, "assets/images/ball.png");
    Settings_Ball_rect = (SDL_Rect) {.x = 1200, .y = 300, .w = 100, .h = 100 };
    Settings_IsInit = true;
>>>>>>> 1c227c0dce1e898cbd1bdf27149fdf2dcda801f3
}

void Settings_Draw(SDL_Renderer * renderer, Scenery * scenery) {
    double x;

    SDL_RenderCopy(renderer, Settings_Texture, NULL, &Settings_rect);
    SDL_RenderCopy(renderer, Settings_Ball_Texture, NULL, &Settings_Ball_rect);
    Draw_Slider(renderer, &BV);
    Draw_Slider(renderer, &BS);
    Draw_Slider(renderer, &BT);
    Draw_Ballstate(renderer, scenery);
    mapping(&x, &BS);
    scenery->ball.Speed = x;
    mapping(&x, &BT);
    x = round(x);
    scenery->ball.TextureIndex = x;
}

void Settings_Deinitialize(){
    if (Settings_IsInit) {
        SDL_DestroyTexture(Settings_Texture);
        SDL_DestroyTexture(Settings_Ball_Texture);
        Settings_IsInit = false;
    }
}

void Draw_Slider(SDL_Renderer * renderer, Slider * beta){
    SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
    SDL_RenderDrawRect(renderer, &beta->Bar_rect);
    int x, y;
    Uint32 Mousestate = SDL_GetMouseState(&x, &y);
    if (y <= ((beta->Bar_rect.y) + (beta->Bar_rect.h)) && y >= (beta->Bar_rect.y) && x <= (beta->Bar_rect.w + beta->Bar_rect.x) && x >= (beta->Bar_rect.x) && (Mousestate & SDL_BUTTON(SDL_BUTTON_LEFT))) {
        SDL_RenderFillRect(renderer, &beta->Scalar_rect);
        SDL_RenderDrawRect(renderer, &beta->Scalar_rect);
        if (x > (beta->Bar_rect.x + beta->Bar_rect.w - (beta->Scalar_rect.w) / 2)) {
            beta->Scalar_rect.x = (beta->Bar_rect.x + beta->Bar_rect.w - (beta->Scalar_rect.w));
            beta->Slider_value = (beta->Bar_rect.x + beta->Bar_rect.w - (beta->Scalar_rect.w) / 2);
        } else if (x < beta->Bar_rect.x + (beta->Scalar_rect.w) / 2) {
            beta->Scalar_rect.x = beta->Bar_rect.x;
            beta->Slider_value = beta->Bar_rect.x + (beta->Scalar_rect.w) / 2;
        } else {
            beta->Scalar_rect.x = x - (beta->Scalar_rect.w / 2);
            beta->Slider_value = x;
        }
    } else {
        SDL_RenderDrawRect(renderer, &beta->Scalar_rect);
    }
} /* Draw_Slider */

void Draw_Ballstate(SDL_Renderer * renderer, Scenery * scenery){
    BALL_Draw(renderer, &(scenery->ball));
}

void mapping(double * x, Slider * beta){
    *x = ((beta->max - beta->min) / (beta->Bar_rect.w - (beta->Scalar_rect.w))) * (beta->Slider_value - beta->Bar_rect.x - beta->Scalar_rect.w / 2) + beta->min;
}

void Initialize_Slider(int x, int y, int sw, int bw, int h, double min, double max, Slider * beta){
    beta->Scalar_rect = (SDL_Rect) {.x = x, .y = y, .w = sw, .h = h };
    beta->Bar_rect =  (SDL_Rect) {.x = x, .y = y, .w = bw, .h = h };
    beta->max = max;
    beta->min = min;
    beta->Slider_value = x + beta->Scalar_rect.w / 2;
}