/**
 *   This file is part of RenderD7
 *   Copyright (C) 2021-2024 NPI-D7, tobid7
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "scene.hpp"

#include <cmath>

static float MakeOffset(float x) {
  float y = cos(x) * 42;
  return y - floor(y);
}

static void Wave(int index, R7Vec2 position, R7Vec2 size, float time,
                 bool dbg) {
  float offset = MakeOffset(index) * 62;
  float x_position =
      position.x + size.x / 8 * ((index % 11) - 1) + cos(offset + time) * 10;
  float y_position = position.y + size.y / 8 * (index / 11) + 40 +
                     sin(offset + time) * 10 + 30;
  float color_effect = 1 - exp(-(index / 11) / 3.0f);

  // As this is 3ds dont go out of the box
  int shrink = 0;
  if (y_position >= position.y + size.y - 90) {
    shrink = y_position - (position.y + size.y - 90);
  }
  // Just to make sure...
  y_position = std::min(y_position, position.y + size.y - (90 - shrink));
  
    RD7::R2()->AddTriangle(
        R7Vec2(x_position, y_position),
        R7Vec2(x_position + 300, y_position + (90 - shrink)),
        R7Vec2(x_position - 300, y_position + (90 - shrink)),
        RD7::Color::RGBA(.94f - .17f * color_effect, .61f - .25f * color_effect,
                         .36f + .38f * color_effect)
            .toRGBA());
}

void DrawWave(R7Vec2 position, R7Vec2 size, float time, bool dbg) {
  RD7::R2()->AddRect(position, size, 0xff64c9fd);
  int i = 0;
  for (; i < 44; i++) Wave(i, position, size, time, dbg);
}

R7Vec2 testv2 = R7Vec2(48, 48);
std::vector<int*> img;

void display_icon(void* v, R7Vec2 p) { RD7::R2()->AddRect(p, testv2, 0xff00ffff); }

Sample::Sample() {
  auto ti = new int;
  ti[0] = 0;
  for (int i = 0; i < 256; i++) {
    img.push_back(ti);
  }
}

Sample::~Sample() {
  delete img[0];
  // Here you can clear your data
}

void Sample::Draw() const {
  // Draw Things to Screen:
  // Step 1 -> Select Screen
  RD7::R2()->OnScreen(R2Screen_Top);
  // Step 2 -> Draw Things
  // The hbloader Triangle Wave
  DrawWave(R7Vec2(0, 0), R7Vec2(400, 240), RD7::GetTime(), debug_background);
  if (UI7::BeginMenu("RenderD7 Test Framework")) {
    if (state == State_Menu) {
      UI7::Label("SZS: " + std::to_string(img.size()));
      UI7::Grid("Images", R7Vec2(390, 180), testv2, display_icon,
                (void**)&img[0], img.size());
    }
    UI7::EndMenu();
  }
  RD7::R2()->OnScreen(R2Screen_Bottom);
  if (UI7::BeginMenu("Control Center")) {
    if (state == State_Menu) {
      if (UI7::Button("RenderD7 Settings"))
        shared_requests[1U] = 1U;  // Request a Toggle
      UI7::SameLine();
      if (UI7::Button("Test Message"))
        shared_requests[2U] = 1U;  // Request Test Msg
      UI7::Checkbox("Debug BG", debug_background);
      UI7::SameLine();
      UI7::Checkbox("RD7-Debug", rd7_debugging);
      UI7::SameLine();
      UI7::Checkbox("UI7-Debug", UI7::IsDebugging());
      UI7::InputText("Search", search__, "Tap Here");
      if (UI7::Button("def")) txt_size = 0.5;
      UI7::Label("GridControl: ");
      if (UI7::Button("icn++")) testv2 += R7Vec2(1, 1);
      UI7::SameLine();
      if (UI7::Button("icn--")) testv2 -= R7Vec2(1, 1);
    }
    UI7::EndMenu();
  }
}

void Sample::Logic() {
  for (const auto& it : shared_requests) {
    if (it.first == 1U) {
      if (it.second) RD7::LoadSettings();
    } else if (it.first == 2U) {
      if (it.second)
        RD7::PushMessage(RD7::Message("Test Message",
                                      "Button Bressed\nBest Msg Handler..."));
    } else if (it.first == 3U) {
      state = (State)it.second;
    }
  }

  if (d7_hDown & KEY_UP && sel > 0) sel--;
  if (d7_hDown & KEY_DOWN && sel < ((int)files.size() - 1)) sel++;

  // Make sure to clear after processing!!!;
  shared_requests.clear();
  if (d7_hDown & KEY_B) debug_background = !debug_background;
}