#include "app/editor/code/memory_editor.h"

#include "absl/strings/str_format.h"
#include "app/gui/core/icons.h"
#include "app/gui/core/style.h"
#include "imgui/imgui.h"

namespace yaze {
namespace editor {

void MemoryEditorWithDiffChecker::DrawToolbar() {
  // Modern compact toolbar with icon-only buttons
  ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(6, 4));
  ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(4, 4));
  
  if (ImGui::Button(ICON_MD_LOCATION_SEARCHING " Jump")) {
    ImGui::OpenPopup("JumpToAddress");
  }
  if (ImGui::IsItemHovered()) {
    ImGui::SetTooltip("Jump to specific address");
  }
  
  ImGui::SameLine();
  if (ImGui::Button(ICON_MD_SEARCH " Search")) {
    ImGui::OpenPopup("SearchPattern");
  }
  if (ImGui::IsItemHovered()) {
    ImGui::SetTooltip("Search for hex pattern");
  }
  
  ImGui::SameLine();
  if (ImGui::Button(ICON_MD_BOOKMARK " Bookmarks")) {
    ImGui::OpenPopup("Bookmarks");
  }
  if (ImGui::IsItemHovered()) {
    ImGui::SetTooltip("Manage address bookmarks");
  }
  
  ImGui::SameLine();
  ImGui::Text(ICON_MD_MORE_VERT);
  ImGui::SameLine();
  
  // Show current address
  if (current_address_ != 0) {
    ImGui::TextColored(ImVec4(0.4f, 0.8f, 1.0f, 1.0f), 
                      ICON_MD_LOCATION_ON " 0x%06X", current_address_);
  }
  
  ImGui::PopStyleVar(2);
  ImGui::Separator();
  
  DrawJumpToAddressPopup();
  DrawSearchPopup();
  DrawBookmarksPopup();
}

void MemoryEditorWithDiffChecker::DrawJumpToAddressPopup() {
  if (ImGui::BeginPopupModal("JumpToAddress", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
    ImGui::TextColored(ImVec4(0.4f, 0.8f, 1.0f, 1.0f), 
                      ICON_MD_LOCATION_SEARCHING " Jump to Address");
    ImGui::Separator();
    ImGui::Spacing();
    
    ImGui::SetNextItemWidth(200);
    if (ImGui::InputText("##jump_addr", jump_address_, IM_ARRAYSIZE(jump_address_), 
                        ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_EnterReturnsTrue)) {
      // Parse and jump on Enter key
      unsigned int addr;
      if (sscanf(jump_address_, "%X", &addr) == 1) {
        current_address_ = addr;
        ImGui::CloseCurrentPopup();
      }
    }
    ImGui::TextDisabled("Format: 0x1C800 or 1C800");
    
    ImGui::Spacing();
    ImGui::Separator();
    ImGui::Spacing();
    
    if (ImGui::Button(ICON_MD_CHECK " Go", ImVec2(120, 0))) {
      unsigned int addr;
      if (sscanf(jump_address_, "%X", &addr) == 1) {
        current_address_ = addr;
      }
      ImGui::CloseCurrentPopup();
    }
    ImGui::SameLine();
    if (ImGui::Button(ICON_MD_CANCEL " Cancel", ImVec2(120, 0))) {
      ImGui::CloseCurrentPopup();
    }
    ImGui::EndPopup();
  }
}

void MemoryEditorWithDiffChecker::DrawSearchPopup() {
  if (ImGui::BeginPopupModal("SearchPattern", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
    ImGui::TextColored(ImVec4(0.4f, 0.8f, 0.4f, 1.0f), 
                      ICON_MD_SEARCH " Search Hex Pattern");
    ImGui::Separator();
    ImGui::Spacing();
    
    ImGui::SetNextItemWidth(300);
    if (ImGui::InputText("##search_pattern", search_pattern_, IM_ARRAYSIZE(search_pattern_),
                        ImGuiInputTextFlags_EnterReturnsTrue)) {
      // TODO: Implement search
      ImGui::CloseCurrentPopup();
    }
    ImGui::TextDisabled("Use ?? for wildcard (e.g. FF 00 ?? 12)");
    ImGui::Spacing();
    
    // Quick preset patterns
    ImGui::Text(ICON_MD_LIST " Quick Patterns:");
    if (ImGui::SmallButton("LDA")) {
      snprintf(search_pattern_, sizeof(search_pattern_), "A9 ??");
    }
    ImGui::SameLine();
    if (ImGui::SmallButton("STA")) {
      snprintf(search_pattern_, sizeof(search_pattern_), "8D ?? ??");
    }
    ImGui::SameLine();
    if (ImGui::SmallButton("JSR")) {
      snprintf(search_pattern_, sizeof(search_pattern_), "20 ?? ??");
    }
    
    ImGui::Spacing();
    ImGui::Separator();
    ImGui::Spacing();
    
    if (ImGui::Button(ICON_MD_SEARCH " Search", ImVec2(120, 0))) {
      // TODO: Implement search using hex-search handler
      ImGui::CloseCurrentPopup();
    }
    ImGui::SameLine();
    if (ImGui::Button(ICON_MD_CANCEL " Cancel", ImVec2(120, 0))) {
      ImGui::CloseCurrentPopup();
    }
    ImGui::EndPopup();
  }
}

void MemoryEditorWithDiffChecker::DrawBookmarksPopup() {
  if (ImGui::BeginPopupModal("Bookmarks", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
    ImGui::TextColored(ImVec4(1.0f, 0.843f, 0.0f, 1.0f), 
                      ICON_MD_BOOKMARK " Memory Bookmarks");
    ImGui::Separator();
    ImGui::Spacing();
    
    if (bookmarks_.empty()) {
      ImGui::TextDisabled(ICON_MD_INFO " No bookmarks yet");
      ImGui::Spacing();
      ImGui::Separator();
      ImGui::Spacing();
      
      if (ImGui::Button(ICON_MD_ADD " Add Current Address", ImVec2(250, 0))) {
        Bookmark new_bookmark;
        new_bookmark.address = current_address_;
        new_bookmark.name = absl::StrFormat("Bookmark %zu", bookmarks_.size() + 1);
        new_bookmark.description = "User-defined bookmark";
        bookmarks_.push_back(new_bookmark);
      }
    } else {
      // Bookmarks table
      ImGui::BeginChild("##bookmarks_list", ImVec2(500, 300), true);
      if (ImGui::BeginTable("##bookmarks_table", 3, 
                           ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | 
                           ImGuiTableFlags_Resizable)) {
        ImGui::TableSetupColumn("Name", ImGuiTableColumnFlags_WidthFixed, 150);
        ImGui::TableSetupColumn("Address", ImGuiTableColumnFlags_WidthFixed, 100);
        ImGui::TableSetupColumn("Description", ImGuiTableColumnFlags_WidthStretch);
        ImGui::TableHeadersRow();
        
        for (size_t i = 0; i < bookmarks_.size(); ++i) {
          const auto& bm = bookmarks_[i];
          ImGui::PushID(static_cast<int>(i));
          
          ImGui::TableNextRow();
          ImGui::TableNextColumn();
          if (ImGui::Selectable(bm.name.c_str(), false, ImGuiSelectableFlags_SpanAllColumns)) {
            current_address_ = bm.address;
            ImGui::CloseCurrentPopup();
          }
          
          ImGui::TableNextColumn();
          ImGui::TextColored(ImVec4(0.4f, 0.8f, 1.0f, 1.0f), "0x%06X", bm.address);
          
          ImGui::TableNextColumn();
          ImGui::TextDisabled("%s", bm.description.c_str());
          
          ImGui::PopID();
        }
        ImGui::EndTable();
      }
      ImGui::EndChild();
      
      ImGui::Spacing();
      if (ImGui::Button(ICON_MD_ADD " Add Bookmark", ImVec2(150, 0))) {
        Bookmark new_bookmark;
        new_bookmark.address = current_address_;
        new_bookmark.name = absl::StrFormat("Bookmark %zu", bookmarks_.size() + 1);
        new_bookmark.description = "User-defined bookmark";
        bookmarks_.push_back(new_bookmark);
      }
      ImGui::SameLine();
      if (ImGui::Button(ICON_MD_CLEAR_ALL " Clear All", ImVec2(150, 0))) {
        bookmarks_.clear();
      }
    }
    
    ImGui::Spacing();
    ImGui::Separator();
    ImGui::Spacing();
    
    if (ImGui::Button(ICON_MD_CLOSE " Close", ImVec2(250, 0))) {
      ImGui::CloseCurrentPopup();
    }
    
    ImGui::EndPopup();
  }
}

}  // namespace editor
}  // namespace yaze