#include "button.h"
#include "../game.h"
#include "screenIDs.h"
#include "stdio.h"
#include "stdlib.h"
#include "raylib.h"
#include "string.h"

Button * InitButton(Texture2D textures[3], Vector2 *position, char *text, int textLEN, int id){
    Button *button = malloc(sizeof(Button));

    button->textures[0] = textures[0];
    button->textures[1] = textures[1];
    button->textures[2] = textures[2];

    button->position = (Vector2){position->x, position->y};
    button->centerPosition = (Vector2){position->x + textures[0].width/2, position->y + textures[0].height/2};
    
    strncpy(button->text, text, textLEN);
    button->state = 0;
    button->id = id;

    return button;
}

void ButtonExecuteButton(Button *button, Game *game){
    button->state = 0;
    switch(button->id){
        case 0: // continue game
            if(game->screen == SCREEN_PAUSE){
                game->screen = SCREEN_GAME;
            }
            break;
    }
}

void ButtonDrawButton(Button * button){
    ButtonUpdateButtonState(button);
    DrawTexture(button->textures[button->state], button->position.x, button->position.y, WHITE);
    DrawText(button->text, button->centerPosition.x - MeasureText(button->text, BUTTON_FONT_SIZE)/2, button->centerPosition.y - BUTTON_FONT_SIZE/2, BUTTON_FONT_SIZE, BLACK);
}

int ButtonUpdateButtonState(Button * button){
    if(GetMouseX() > button->position.x &&
            GetMouseX() < button->position.x + button->textures[button->state].width &&
            GetMouseY() > button->position.y &&
            GetMouseY() < button->position.y + button->textures[button->state].height
    ){
        if(IsMouseButtonPressed(MOUSE_BUTTON_LEFT)){
            button->state = 2;
            return 2;
        }
        button->state = 1;
        return 1;
    }
    button->state = 0;
    return 0;
}

int ButtonIsButtonHovered(Button * button){
    if(GetMouseX() > button->position.x &&
            GetMouseX() < button->position.x + button->textures[0].width &&
            GetMouseY() > button->position.y &&
            GetMouseY() < button->position.y + button->textures[0].height
    ){
        return button->state = 1;
    }
    return button->state = 0;
}

int ButtonIsButtonPressed(Button * button){
    if(GetMouseX() > button->position.x &&
            GetMouseX() < button->position.x + button->textures[0].width &&
            GetMouseY() > button->position.y &&
            GetMouseY() < button->position.y + button->textures[0].height
    ){
        if(IsMouseButtonPressed(MOUSE_LEFT_BUTTON)){
            return button->state = 2;
        }
    }
    return button->state = 0;
}