/*Troy Rosin*/

#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#include <SDL_ttf.h>
#include <mydebug.h>
#include <game.h>
#include <input.h>
#include <deck.h>
#include <main.h>
#include <host.h>
#include <err_check.h>


#define BOARDER_THICKNESS 20

int over_object;
int num_players = 1;
int lobby_has_name = 0;

struct host_ctx
{

  char player_names[MAX_PLAYERS][MAX_NAMESZ];
  char temp_name[MAX_NAMESZ];
  char lobby_name[MAX_NAMESZ];
  char lobby_name_perm[MAX_NAMESZ];

    
  SDL_Rect set_name_rect, name_rect, player_name_rect;
  SDL_Rect player_rects[MAX_PLAYERS]; 
  SDL_Rect player_name_rects[MAX_PLAYERS]; 
  SDL_Rect start_rect; 

  TTF_Font* font;
  SDL_Surface *set_name_surf;
  SDL_Surface *start_surf;
  SDL_Surface *lobby_name_surf;

  SDL_Texture *set_name_tex; 
  SDL_Texture *lobby_name_tex; 
  SDL_Texture *start_tex;

  SDL_Surface *player_name_surfs[MAX_PLAYERS];
  SDL_Surface *player_tempname_surf;
  SDL_Texture *player_name_texs[MAX_PLAYERS];
  SDL_Texture *player_tempname_tex;
};

struct host_ctx host;

void init_host()
{
  int i;
  
  over_object = NO_OBJECT;

  strcpy(host.player_names[0], "player_1");   
  strcpy(host.player_names[1], "no_player_2");
  strcpy(host.player_names[2], "no_player_3");
  strcpy(host.player_names[3], "no_player_4");

  host.font = TTF_OpenFont("assets/font.ttf", 24);
  host.set_name_surf = TTF_RenderText_Solid(host.font, "set name", white);
  host.start_surf = TTF_RenderText_Solid(host.font, "start game", white);
  host.lobby_name_surf = TTF_RenderText_Solid(host.font, host.lobby_name, white);
  
  host.set_name_tex = SDL_CreateTextureFromSurface(renderer, host.set_name_surf); 
  host.start_tex = SDL_CreateTextureFromSurface(renderer, host.start_surf);


  host.set_name_rect.w = DEF_WINDOW_WIDTH >> 3;
  host.set_name_rect.h = DEF_WINDOW_HEIGHT >> 4;
  host.set_name_rect.x = DEF_WINDOW_WIDTH - (host.set_name_rect.w << 1);
  host.set_name_rect.y = DEF_WINDOW_HEIGHT - (host.set_name_rect.h << 2);

  host.name_rect.w = DEF_WINDOW_WIDTH - (host.set_name_rect.w << 2) - (BOARDER_THICKNESS << 1);
  host.name_rect.h = host.set_name_rect.h;
  host.name_rect.x = (host.set_name_rect.w << 1) + BOARDER_THICKNESS;
  host.name_rect.y = host.set_name_rect.y;
  
  host.start_rect.w = host.set_name_rect.w;
  host.start_rect.h = host.set_name_rect.h;
  host.start_rect.x = (DEF_WINDOW_WIDTH >> 1) - (host.start_rect.w >> 1);
  host.start_rect.y = host.set_name_rect.y + host.set_name_rect.h + BOARDER_THICKNESS;

  host.player_name_rect.w = DEF_WINDOW_WIDTH - (host.set_name_rect.w << 2) - (BOARDER_THICKNESS << 1);
  host.player_name_rect.h = host.set_name_rect.h;
  host.player_name_rect.x = (host.set_name_rect.w << 1) + BOARDER_THICKNESS;
  host.player_name_rect.y = host.set_name_rect.y;
  
  host.player_rects[0].w = host.player_rects[1].w = host.player_rects[2].w = host.player_rects[3].w
    = DEF_WINDOW_WIDTH - (host.set_name_rect.w << 1);
  host.player_rects[0].h = host.player_rects[1].h = host.player_rects[2].h = host.player_rects[3].h
    = ((DEF_WINDOW_HEIGHT - (DEF_WINDOW_HEIGHT - host.set_name_rect.y))
         - (BOARDER_THICKNESS << 2) - BOARDER_THICKNESS) >> 2;  
  host.player_rects[0].x = host.player_rects[1].x = host.player_rects[2].x = host.player_rects[3].x
    = host.set_name_rect.w;
 
  host.player_rects[0].y = BOARDER_THICKNESS;
  host.player_rects[1].y = host.player_rects[0].y + host.player_rects[0].h + BOARDER_THICKNESS; 
  host.player_rects[2].y = host.player_rects[1].y + host.player_rects[1].h + BOARDER_THICKNESS; 
  host.player_rects[3].y = host.player_rects[2].y + host.player_rects[2].h + BOARDER_THICKNESS; 

  for(i = 0; i < MAX_PLAYERS; i++)
  {
    host.player_name_rects[i].w = host.player_rects[i].w;
    host.player_name_rects[i].h = host.player_rects[i].h - (BOARDER_THICKNESS << 1);
    host.player_name_rects[i].x = host.player_rects[i].x + BOARDER_THICKNESS;
    host.player_name_rects[i].y = host.player_rects[i].y + BOARDER_THICKNESS;
  }

  return;
}


char *get_this_name(int i)
{
  
  if(!lobby_has_name) { 
    if(i == -1){return host.lobby_name; } 
    if(i == 0) { return host.lobby_name_perm; }
  }
  else{
    if(i == -1) { return host.temp_name; } 
    if(i >= 0 && i < MAX_PLAYERS){ 
      return host.player_names[i]; 
    }
  }
  return NULL;
}

void render_lobby()
{
  int i;
  
  host.player_tempname_surf= TTF_RenderText_Solid(host.font, host.temp_name, white);
  host.player_tempname_tex = SDL_CreateTextureFromSurface(renderer, host.player_tempname_surf);
  
  SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
  SDL_RenderClear(renderer);
    
  //set name button
  SDL_SetRenderDrawColor(renderer, 64, 64, 64,255);
  SDL_RenderFillRect(renderer, &host.set_name_rect);
  SDL_RenderCopy(renderer, host.set_name_tex, NULL, &(host.set_name_rect));    
    
  //player fields
  for(i = 0; i < MAX_PLAYERS; i++)
  {
    host.player_name_rects[i].w = (host.player_rects[0].w / MAX_NAMESZ) * strlen(host.player_names[i]);
    host.player_name_surfs[i] = TTF_RenderText_Solid(host.font, host.player_names[i], white);
    host.player_name_texs[i] = SDL_CreateTextureFromSurface(renderer, host.player_name_surfs[i]);
    SDL_RenderFillRect(renderer, &(host.player_rects[i]));
    SDL_RenderCopy(renderer, host.player_name_texs[i], NULL, &(host.player_name_rects[i]));
  }
  //name field
  host.player_name_rect.w = (host.name_rect.w / MAX_NAMESZ) * strlen(host.temp_name);
  SDL_RenderFillRect(renderer, &host.name_rect);
  SDL_RenderCopy(renderer, host.player_tempname_tex, NULL, &host.player_name_rect);
  
  //start game button
  SDL_RenderFillRect(renderer, &host.start_rect);
  SDL_RenderCopy(renderer, host.start_tex, NULL, &(host.start_rect));    
       
    
  SDL_RenderPresent(renderer);
   
  host.player_tempname_surf= TTF_RenderText_Solid(host.font, host.temp_name, white);
  host.player_tempname_tex = SDL_CreateTextureFromSurface(renderer, host.player_tempname_surf);
 
  SDL_FreeSurface(host.player_tempname_surf);
  SDL_DestroyTexture(host.player_tempname_tex);
  for(i = 0; i < MAX_PLAYERS; i++)
  {
    SDL_FreeSurface(host.player_name_surfs[i]);
    SDL_DestroyTexture(host.player_name_texs[i]);
  }
}

void render_lobby_name()
{
  
  host.lobby_name_surf = TTF_RenderText_Solid(host.font, host.lobby_name, white);
  host.lobby_name_tex = SDL_CreateTextureFromSurface(renderer, host.lobby_name_surf); 
  
  SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
  SDL_RenderClear(renderer);
  
  //set lobby name button
  SDL_SetRenderDrawColor(renderer, 64, 64, 64,255);
  SDL_RenderFillRect(renderer, &host.set_name_rect);
  SDL_RenderCopy(renderer, host.set_name_tex, NULL, &(host.set_name_rect));    
  
  //name field
  host.player_name_rect.w = (host.name_rect.w / MAX_NAMESZ) * strlen(host.lobby_name);
  SDL_RenderFillRect(renderer, &host.name_rect);
  SDL_RenderCopy(renderer, host.lobby_name_tex, NULL, &host.player_name_rect);
  
  //start game button
  SDL_RenderFillRect(renderer, &host.start_rect);
  SDL_RenderCopy(renderer, host.start_tex, NULL, &(host.start_rect));    
     
  SDL_RenderPresent(renderer);

}

void render_main()
{
  SDL_SetTextInputRect(&host.name_rect);
  
  SDL_GetMouseState(&(mouse_pos.x), &(mouse_pos.y));  

  if(SDL_PointInRect(&mouse_pos, &host.start_rect)){
    over_object = START_GAME_BUTTON;
  }
  else if(SDL_PointInRect(&mouse_pos, &host.set_name_rect)){
    over_object = SET_NAME_BUTTON;
  }

  if(lobby_has_name){ render_lobby(); }
  else{ render_lobby_name(); }

}

void render_host_game(){

  render_main();

  return;
}