#include <hex/helpers/fmt.hpp>
#include <hex/api/localization.hpp>

#include <imgui.h>

#include <hex/ui/imgui_imhex_extensions.h>

namespace hex::plugin::builtin {
    namespace impl {
        void drawPermissionsCalculator() {
            static bool setuid, setgid, sticky;
            static bool r[3], w[3], x[3];

            ImGui::TextUnformatted("hex.builtin.tools.permissions.perm_bits"_lang);
            ImGui::Separator();

            if (ImGui::BeginTable("Permissions", 4, ImGuiTableFlags_Borders)) {
                ImGui::TableSetupColumn("Special", ImGuiTableColumnFlags_NoSort);
                ImGui::TableSetupColumn("User", ImGuiTableColumnFlags_NoSort);
                ImGui::TableSetupColumn("Group", ImGuiTableColumnFlags_NoSort);
                ImGui::TableSetupColumn("Other", ImGuiTableColumnFlags_NoSort);
                ImGui::TableSetupScrollFreeze(0, 1);

                ImGui::TableHeadersRow();

                ImGui::TableNextRow();
                ImGui::TableNextColumn();

                ImGui::Checkbox("setuid", &setuid);
                ImGui::Checkbox("setgid", &setgid);
                ImGui::Checkbox("Sticky bit", &sticky);

                for (u8 i = 0; i < 3; i++) {
                    ImGui::TableNextColumn();

                    ImGui::PushID(i);
                    ImGui::Checkbox("Read", &r[i]);
                    ImGui::Checkbox("Write", &w[i]);
                    ImGui::Checkbox("Execute", &x[i]);
                    ImGui::PopID();
                }

                ImGui::EndTable();
            }

            ImGui::NewLine();
            ImGui::TextUnformatted("hex.builtin.tools.permissions.absolute"_lang);
            ImGui::Separator();

            auto result = hex::format("{}{}{}{}",
                (setuid << 2) | (setgid << 1) | (sticky << 0),
                (r[0] << 2) | (w[0] << 1) | (x[0] << 0),
                (r[1] << 2) | (w[1] << 1) | (x[1] << 0),
                (r[2] << 2) | (w[2] << 1) | (x[2] << 0));
            ImGui::InputText("##permissions_absolute", result.data(), result.size(), ImGuiInputTextFlags_ReadOnly);

            ImGui::NewLine();

            constexpr static auto WarningColor = ImColor(0.92F, 0.25F, 0.2F, 1.0F);
            if (setuid && !x[0])
                ImGui::TextFormattedColored(WarningColor, "{}", "hex.builtin.tools.permissions.setuid_error"_lang);
            if (setgid && !x[1])
                ImGui::TextFormattedColored(WarningColor, "{}", "hex.builtin.tools.permissions.setgid_error"_lang);
            if (sticky && !x[2])
                ImGui::TextFormattedColored(WarningColor, "{}", "hex.builtin.tools.permissions.sticky_error"_lang);
        }
    }
}