/*
 * palera1n - https://palera.in
 *
 * Copyright (C) 2026 palera1n team
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#ifdef WITH_TUI

#include "TuiExploitPanel.hpp"

#include <algorithm>
#include <chrono>
#include <memory>
#include <string>
#include <thread>

#include <ncurses.h>

#include "Tui.hpp"
#include "TuiText.hpp"
#include "../exploit.h"

static const char *buttons[] = { "Back" };
static constexpr int kExploitContentX = 2;
static constexpr int kExploitContentWidth = 60;

TuiExploitPanel::TuiExploitPanel(TuiFrame* frame)
    : TuiPanel(frame) {}

const char** TuiExploitPanel::get_buttons() const {
    return buttons;
}

void TuiExploitPanel::draw(int sy, int sx, int selected) {
    (void)selected;
    const int content_x = sx + kExploitContentX;
    tui_text::draw_wrapped_text(
        sy + 2,
        content_x,
        kExploitContentWidth,
        "Installing jailbreak, this will take a moment. If the device asks for a passcode please enter it. Do not disconnect the device until finished.",
        3
    );

    std::string status_text;
    int progress = 0;
    {
        std::lock_guard<std::mutex> lock(m_status_mutex);
        status_text = m_status_text;
        progress = m_progress;
    }

    mvprintw(sy + 8, content_x, "%.*s", kExploitContentWidth, status_text.empty() ? stage_to_string(STAGE_RESET) : status_text.c_str());

    const int bar_width = 50;
    const int filled = (std::clamp(progress, 0, 100) * bar_width) / 100;
    std::string bar(static_cast<size_t>(bar_width), '-');
    for (int i = 0; i < filled; ++i) {
        bar[static_cast<size_t>(i)] = '#';
    }

    mvprintw(sy + 10, sx + 2, "[%s] %3d%%", bar.c_str(), std::clamp(progress, 0, 100));
}

void TuiExploitPanel::handle_enter(int selected, int sy, int sx) {
    if (selected == 0) {
        GetFrame()->ShowMain(1);
    }
}

void TuiExploitPanel::handle_device_update(const DeviceState& state) {
    (void)state;
}

void TuiExploitPanel::on_show() {
    exploit();
}

bool TuiExploitPanel::is_button_enabled(int btn_idx) const {
    (void)btn_idx;
    return !m_is_exploiting;
}

void TuiExploitPanel::set_status(const std::string& status, int progress) {
    std::lock_guard<std::mutex> lock(m_status_mutex);
    m_status_text = status;
    m_progress = std::clamp(progress, 0, 100);
}

void TuiExploitPanel::exploit()
{
    if (m_is_exploiting) {
        return;
    } else {
        m_is_exploiting = true;
    }

    std::thread([this]()
    {
        const DeviceState deviceState = GetFrame()->GetDeviceState();
        if (!deviceState.connected || deviceState.mode != DeviceMode::DFU) {
            m_is_exploiting = false;
            return;
        }

        auto stage = std::make_shared<std::atomic<int>>(STAGE_RESET);

        std::thread worker([stage]()
        {
            ::exploit(reinterpret_cast<int*>(stage.get()));
            stage->store(STAGE_DONE);
        });

        for (;;)
        {
            int currentStage = stage->load();
            int progress = stage_to_progress(currentStage);

            set_status(stage_to_string(currentStage), progress);

            if (currentStage == STAGE_DONE) break;
            std::this_thread::sleep_for(std::chrono::milliseconds(100));
        }

        if (worker.joinable()) worker.join();

        m_is_exploiting = false;
    }).detach();
}

#endif // WITH_TUI