#include <raylib.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdlib.h>
#include "scenes.h"
#include "../ui_elements/UI.h"
#include "../resources/resources.h"

static const int PADDING = 20;
static const int BORDER = 2;
static const int SCROLL_SPEED = 10;

typedef struct {
    char *value;
    int scroll;
    /// For the fun popping up effect
    float scroll_up;
    bool isClosing;
} ResultViewData;

Rectangle GetResultViewBodyRect(float scroll_up) {
    int HeaderOffset = PADDING * 2;
    int height = GetScreenHeight();
    Rectangle outp = {
        .x = PADDING,
        .y = HeaderOffset + (height * scroll_up),
        .width = GetScreenWidth() - PADDING * 2,
        .height = height - HeaderOffset - PADDING * 3,
    };

    return outp;
}

bool updateResultView(void *self) {
    ResultViewData *data = ((Scene *)self)->data;

    if (data->isClosing) {
        data->scroll_up += SCROLL_SPEED * GetFrameTime();
        if (data->scroll_up > 1) DeleteSceneFromStack();
        return true;
    }

    if (data->scroll_up != 0) {
        data->scroll_up -= SCROLL_SPEED * GetFrameTime();
        if (data->scroll_up < 0) data->scroll_up = 0;
    }

    if (IsKeyPressed(KEY_ESCAPE)) {
        data->isClosing = true;
    }

    return true;
}

bool drawResultView(void *self) {
    ResultViewData *data = ((Scene *)self)->data;
    // DrawBackground();
    Rectangle body = GetResultViewBodyRect(data->scroll_up);
    DrawRecBordered(body, WHITE, COLORSCHEME_ORANGE, BORDER);
    DrawTextInRec(body, data->value,
            GetMainFont(), 20, COLORSCHEME_BROWN, 3, &data->scroll);
    return true;
}

void deinitResultView(void *self) {
    TraceLog(LOG_INFO, "Deleting a result view");
    free((Scene *)self);
}

Scene *CreateResultView(char *result) {
    TraceLog(LOG_INFO, "Creating a main menu");
    Scene *outp = malloc(sizeof(Scene));
    outp->Draw = drawResultView;
    outp->Update = updateResultView;
    outp->Deint = deinitResultView;
    outp->IsTransparent = true;

    ResultViewData *data = malloc(sizeof(ResultViewData));
    if (data == NULL) {
        free(outp);
        return NULL;
    }
    data->value = result;
    data->scroll = 0;
    data->scroll_up = 1;
    data->isClosing = false;
    outp->data = data;

    return outp;
}