#include "screen.h"
#include <stdlib.h>
#include <stdio.h>
#include "../definitions.h"
#include "raylib.h"
#include "../Sprite/sprite.h"
#include "../Input/inputHandler.h"
#include "../Entity/entity.h"
#include "../IsometricMap/isometricMap.h"
#include "../game.h"
#include "../Ui/uiContainer.h"
            
void ScreenRenderEmptyScreen(Game *game){
    printf("\n\n\n\n\n\n Wir haben ein problematisches Problem! Die Screen-ID [%d] ist nicht definiert. Hmmpf... früher bescheid wisse!\n\n\n\n\n\n", game->currentScreen);
}

void ScreenRenderExitScreen(Game *game){
    printf("EXIT \n");
}

void ScreenRenderGameScreen(Game *game){
    game->screens[game->currentScreen]->frameCounter += GetFrameTime();
    if(game->screens[game->currentScreen]->frameCounter >= ACT_TIME){
        EntityListActAllEntities(game);
        game->screens[game->currentScreen]->frameCounter = 0;
    }
    // Drawing IsometricMap
    BeginMode2D(*(game->camera)); // Sorgt dafür, dass die Kameraposition beachtet wird
    IsometricMapDraw(game);

    SpriteListDrawAllSprites(game->sprites, game->map, game->camera);
    EndMode2D();

    // User Input Handling
    mouseInput(game);
    keyboardInput(game);
}

void ScreenRenderMainMenuScreen(Game *game){
    // hmmmmm
}

void ScreenRenderPauseScreen(Game *game){
    int halfScreenHeight = GetScreenHeight()/2;

    // Still drawing isometric map, which is not updated atm
    BeginMode2D(*(game->camera)); // Sorgt dafür, dass die Kameraposition beachtet wird
    IsometricMapDraw(game);
    SpriteListDrawAllSprites(game->sprites, game->map, game->camera);
    EndMode2D();
    UiContainerDrawUiContainer(game->screens[game->currentScreen]->uiContainer);
    // darkened background + "Paused" Text
    DrawRectangle(0, 0, GetScreenWidth(), GetScreenHeight(), (Color){0, 0, 0, 150});
    int textWidthHalf = (MeasureText("Paused", 28)/2);
    DrawText("Paused", GetScreenWidth()/2 - textWidthHalf, (halfScreenHeight/2) - 14, 28, WHITE);

    // Controls lol
    DrawText("I: Zoom in", 5, halfScreenHeight, 16, WHITE);
    DrawText("K: Zoom out", 5, halfScreenHeight + 16, 16, WHITE);
    DrawText("P: Pause", 5, halfScreenHeight + 32, 16, WHITE);
    DrawText("WASD: Move Camera", 5, halfScreenHeight + 48, 16, WHITE);
    DrawText("ESC: Exit Game", 5, halfScreenHeight + 64, 16, WHITE);

    if(IsKeyPressed(KEY_P)){
        game->currentScreen = SCREEN_GAME;
    }
}



Screen * InitScreen(Game *game, int id){
    Screen *screen = malloc(sizeof(Screen));

    screen->id = id;
    screen->frameCounter = 0;

    screen->uiContainer = UiContainerInitUiContainerForScreenID(game, id);

    switch(id){
        case SCREEN_EXIT:
            screen->render = &ScreenRenderExitScreen;
            break;
        case SCREEN_MAINMENU:
            screen->render = &ScreenRenderMainMenuScreen;
            break;
        case SCREEN_OPTIONS:
            screen->render = &ScreenRenderEmptyScreen;
            break;
        case SCREEN_GAME:
            screen->render = &ScreenRenderGameScreen;
            break;
        case SCREEN_PAUSE:
            screen->render = &ScreenRenderPauseScreen;
            break;
        default:
            printf("WARNING: Creating Screen of ID %d (NOT SUPPORTED) \n", id);
            screen->render = &ScreenRenderEmptyScreen;
            break;
    }

    return screen;
}