#include "selectable.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../definitions.h"
#include "../MapObject/building.h"
#include "../Sprite/sprite.h"
#include "../Input/inputHandler.h"
#include "../Entity/entity.h"
#include "onClickFunctions.h"

Selectable * SelectableInit(Texture2D *texture, Texture2D **backgroundTextures, int hasBackground, Vector2 *position, char *description, 
                                                        int showDescripton, int descriptionLEN, int fontSize, int id, int groupID, int unselectAfterExecute){
    Selectable *selectable = malloc(sizeof(Selectable));

    selectable->texture = texture;
    selectable->hasBackground = hasBackground;
    if(selectable->hasBackground == 1){
        selectable->backgroundTexture = backgroundTextures;
    }
    //else{
    //    selectable->backgroundTexture[0] = 0;
    //    selectable->backgroundTexture[1] = 0;
    //    selectable->backgroundTexture[2] = 0;
    //}
    selectable->position.x = position->x;
    selectable->position.y = position->y;
    strncpy(selectable->description, description, descriptionLEN);
    selectable->showDescription = showDescripton;
    selectable->fontSize = fontSize;
    selectable->id = id;
    selectable->state = SELECTABLE_STATE_DEFAULT;
    selectable->groupID = groupID;
    selectable->unselectAfterExecute = unselectAfterExecute;

    switch(selectable->id){
        case SELECTABLE_ID_SPAWN_BUILDING:
            selectable->onSelected = &OnSelectedSpawnBuilding;
            break;
        case SELECTABLE_ID_SPAWN_WORKER:
            selectable->onSelected = &OnSelectedSpawnWorker;
            break;    
        case SELECTABLE_ID_SPAWN_LUMBERJACK:
            selectable->onSelected = &OnSelectedSpawnLumberjack;
            break;
        default:
            selectable->onSelected = &OnSelectedSelectable;
            printf("\n\n\n\n\n\n WARNING: Unsupported SELECTABLE ID %d \n\n\n\n\n\n", selectable->id);
            break;
    }

    return selectable;
}

void SelectableExecuteSelectable(Selectable *selectable, Game * game){
    // CALL SELECTABLE ONCLICK
    selectable->onSelected(game, selectable);
}

int SelectableUpdateSelectableState(Selectable * selectable, Game *game){
    int mouseOnElement = 0;
    if(GetMouseX() > selectable->position.x &&
            GetMouseX() < selectable->position.x + (*selectable->backgroundTexture)[selectable->state].width &&
            GetMouseY() > selectable->position.y &&
            GetMouseY() < selectable->position.y + (*selectable->backgroundTexture)[selectable->state].height
    ){
        mouseOnElement = 1;
        game->mouseOnUI = 1;
    }
    if(selectable->state == SELECTABLE_STATE_SELECTED){
        if(IsMouseButtonPressed(MOUSE_BUTTON_RIGHT)){
            return selectable->state = SELECTABLE_STATE_DEFAULT;
        }
        if(UNSELECT_SELECTABLE_ON_SELECT && mouseOnElement && IsMouseButtonPressed(MOUSE_BUTTON_LEFT)){
            return selectable->state = SELECTABLE_STATE_DEFAULT;
        }
        return SELECTABLE_STATE_SELECTED;
    }
    if(mouseOnElement == 1){
        if(IsMouseButtonPressed(MOUSE_BUTTON_LEFT)){
            return selectable->state = SELECTABLE_STATE_SELECTED;
        }
        return selectable->state = SELECTABLE_STATE_HOVERED;
    }
    return selectable->state = SELECTABLE_STATE_DEFAULT;
}

int SelectableUnselectSelectable(Selectable * selectable){
    if(selectable->state == SELECTABLE_STATE_SELECTED){
        return selectable->state = SELECTABLE_STATE_DEFAULT;
    }
    return selectable->state;
}

void SelectableDrawSelectable(Selectable * selectable){
    int targetWidth = 0;
    if(selectable->hasBackground == 1) {
        targetWidth = selectable->backgroundTexture[selectable->state]->width;
        DrawTexture((*(selectable->backgroundTexture))[selectable->state], selectable->position.x, selectable->position.y, WHITE);
    }

    // ich weiss zwar nicht wieso genau aber das hier skaliert die Texturen richtig
    int padding = 19;
    Rectangle from = {0, 0 , selectable->texture->width, selectable->texture->height};
    Rectangle to = {selectable->position.x +padding, selectable->position.y + padding, selectable->backgroundTexture[0]->width - 2*padding, selectable->backgroundTexture[0]->height - 2*padding};
    DrawTexturePro(*selectable->texture, from, to, (Vector2){0,0}, 0.0f, WHITE);
    if(selectable->state == SELECTABLE_STATE_SELECTED){
        DrawTexture(*selectable->texture, GetMouseX() - selectable->texture->width / 2, GetMouseY() - selectable->texture->height*0.75, (Color){255, 255, 255, 150});
        DrawRectangleLines(GetMouseX() - selectable->texture->width / 2, GetMouseY() - selectable->texture->height*0.75, selectable->texture->width, selectable->texture->height, GREEN);
    }
    if(selectable->showDescription == 1){
        DrawText(selectable->description, selectable->position.x, selectable->position.y, selectable->fontSize, WHITE);
    }
}