#include "Client/Mode/CMode.h"
#include "Client/Mode/CGameMode.h"
#include "Client/Mode/ModeMgr.h"
#include "Render/Renderer.h"
#include "Contents/Configuration/ServiceConfiguration.h"
#include "Contents/MessageTable.h"
#include "Client/Mode/ModeEvents.h"
#include "Client/Replay.h"
#include "Contents/UserData/NormalItemSlots.h"
#include "File/ShortcutFilename.h"
#include "UI/Buttons/UIButton.h"
#include "UI/Buttons/UIBitmapButton.h"
#include "Resource/ResourceMgr.h"
#include "Resource/SkinPalette.h"
#include "UI/Acceptance/UIJoinPartyAcceptWnd.h"
#include "UI/Text/UITextViewer.h"
#include "UI/Window/UINewSelectCharWnd.h"
#include "UI/Window/WindowManagerWindows.h"

#include <cstring>
#include <format>

namespace {
#pragma pack(push, 1)
  struct ExchangeRecordHeader {
    /* 0000 */ std::int16_t type;
    /* 0002 */ std::uint32_t length;
  };
#pragma pack(pop)

  // INLINED
  void SetExchangeName(CGameMode* mode, std::string name) {
    mode->exchangeName = name;
  }
}

// OFFSET: 0x008C7AA0
// FUNCTION: fn_11941
UIExchangeAcceptWnd::UIExchangeAcceptWnd()
    : UIChooseSellBuyWnd(), saved(nullptr) {
}

// OFFSET: 0x008CAAE0
// FUNCTION: fn_11996
UIExchangeAcceptWnd::~UIExchangeAcceptWnd() = default;

// OFFSET: 0x008E0380
// FUNCTION: fn_12172
void UIExchangeAcceptWnd::Slot15(int width, int height) {
  const std::string prefix("유저인터페이스\\");
  const char* names[2][3] = {{"btn_ok", "btn_ok_a", "btn_ok_b"}, {"btn_cancel", "btn_cancel_a", "btn_cancel_b"}};
  int ids[2] = {184, 185};
  int positions[2][2] = {{189, 96}, {234, 96}};

  for (int i = 0; i < 2; ++i) {
    auto* button = new UIBitmapButton();
    for (int state = 0; state < 3; ++state) {
      button->SetBitmap((prefix + names[i][state] + ".bmp").c_str(), state, 0);
    }
    button->SetSize(button->BitmapWidth(), button->BitmapHeight());
    button->Move(positions[i][0], positions[i][1]);
    button->SetId(ids[i]);
    this->AddChild(button);
  }

  this->m_message0 = 184;
  this->viewer = new UITextViewer();
  this->viewer->Configure(10, 22, width - 20, height - 55, 0);
  unsigned red, green, blue;
  SkinPaletteChannels(ResourceMgr::Instance(), 2, 2, red, green, blue);
  this->viewer->textColor = 0xFF000000u | RGB(red, green, blue);
  this->viewer->Invalidate();
  this->AddChild(this->viewer);
  this->viewer->SendMsg(nullptr, 29, reinterpret_cast<std::intptr_t>("deal"), 38, 0, 0);
}

// OFFSET: 0x008FA8C0
// FUNCTION: fn_12343
int UIExchangeAcceptWnd::SendMsg(UIWindow* sender, int message, std::intptr_t a, std::intptr_t b, std::intptr_t c, std::intptr_t d) {
  if (message == 6) {
    const int response = static_cast<int>(a);
    this->RecordResponse(response, b, c, d);

    if (response == 184 || response == 185) {
      g_windowMgr.CloseWindow(32);
      static_cast<CMode*>(g_charViewMode)->SendMsg(50, response == 184 ? 3 : 4, 0, 0, 0);
    }

    return 0;
  }

  if (message == 34) {
    this->saved = reinterpret_cast<NormalItemSlotWindow*>(a);

    if (this->saved->width != 280 || this->saved->height != 120 || this->saved->x < 0 || this->saved->x > g_renderer->viewport.width - 280 || this->saved->y < 0 ||
        this->saved->y > g_renderer->viewport.height - 120) {
      this->saved->x = 200;
      this->saved->y = 200;
      this->saved->width = 280;
      this->saved->height = 120;
    }

    this->Move(this->saved->x, this->saved->y);
    return 0;
  }

  if (message == 50) {
    std::string text = "(";
    text += reinterpret_cast<const char*>(a);
    text += ")";
    text += LookupMessage(93);
    this->viewer->Clear();
    this->viewer->SendMsg(nullptr, 29, reinterpret_cast<std::intptr_t>(text.c_str()), 138, 0, 0);
    text = "C-Code : ";
    text += ShortcutFilename(static_cast<std::uint32_t>(b));
    text += "     ";
    text += g_serviceType == 12 ? "Nv." : "Lv.";
    text += std::to_string(static_cast<int>(c));
    this->viewer->SendMsg(nullptr, 29, reinterpret_cast<std::intptr_t>(text.c_str()), 138, 0, 0);

    return 0;
  }

  if (message == 123) {
    const auto* bytes = reinterpret_cast<const unsigned char*>(a);
    std::uint16_t marker;
    std::memcpy(&marker, bytes, sizeof(marker));
    unsigned offset = 6;

    if (marker == 21650) {
      while (static_cast<unsigned>(b) > offset) {
        std::uint16_t kind;
        std::uint32_t size;
        std::memcpy(&kind, bytes + offset, sizeof(kind));
        std::memcpy(&size, bytes + offset + 2, sizeof(size));
        offset += 6;

        if (kind == 21651) {
          break;
        }

        if (kind == 21652) {
          char text[260] = {};
          std::memcpy(text, bytes + offset, size);
          offset += size;
          this->SendMsg(nullptr, 50, reinterpret_cast<std::intptr_t>(text), 0, 0, 0);
          static_cast<CGameMode*>(g_modeMgr.GetGameMode())->exchangeName = text;
        } else {
          offset += size;
        }
      }
    }

    return 0;
  }

  return this->UIFrameWnd::SendMsg(sender, message, a, b, c, d);
}

// OFFSET: 0x00909EC0
// FUNCTION: fn_12405
void UIExchangeAcceptWnd::Slot11() {
  if (this->saved) {
    this->saved->x = this->geometry.x;
    this->saved->y = this->geometry.y;
    this->saved->width = this->geometry.width;
    this->saved->height = this->geometry.height;
  }
}