#include "game/scenes/start_input.hpp"

#include <SDL3/SDL.h>

#include <algorithm>

#include "core/input/gamepad_bindings.hpp"
#include "core/input/gamepad_manager.hpp"
#include "core/system/event_buffer.hpp"
#include "game/options.hpp"
#include "utils/defaults.hpp"

namespace Input::Detect {

    auto pressedStart(int player_id) -> bool {
        const SDL_Scancode KB = (player_id == 0) ? Defaults::KeysGame::START : Defaults::KeysGameP2::START;
        SDL_Gamepad* pad = GamepadManager::get().getForPlayer(player_id);
        const SDL_JoystickID PAD_ID = (pad != nullptr) ? SDL_GetGamepadID(pad) : 0;
        const auto& slot = (player_id == 0) ? Options::controls().gamepad_p1
                                            : Options::controls().gamepad_p2;
        const int START_BTN = GamepadBindings::get().getButton(slot.name, slot.path, GamepadBindings::Action::START);

        return std::ranges::any_of(EventBuffer::events, [&](const SDL_Event& ev) {
            if (ev.type == SDL_EVENT_KEY_DOWN && ev.key.scancode == KB) { return true; }
            if (ev.type == SDL_EVENT_GAMEPAD_BUTTON_DOWN && pad != nullptr && ev.gbutton.which == PAD_ID && static_cast<int>(ev.gbutton.button) == START_BTN) {
                return true;
            }
            return false;
        });
    }

    auto pressedActionButton(int player_id) -> bool {
        // Teclat: les bindings actives venen d'`Options::controls()` (les
        // que el menú de servei pot reescriure), no de `Defaults` cru —
        // així respectem el remapping de l'usuari igual que fa el Player.
        const auto& kb = (player_id == 0) ? Options::controls().keyboard_p1
                                          : Options::controls().keyboard_p2;
        const SDL_Scancode KB_JUMP = kb.jump;
        const SDL_Scancode KB_ATTACK = kb.attack;
        SDL_Gamepad* pad = GamepadManager::get().getForPlayer(player_id);
        const SDL_JoystickID PAD_ID = (pad != nullptr) ? SDL_GetGamepadID(pad) : 0;
        const auto& slot = (player_id == 0) ? Options::controls().gamepad_p1
                                            : Options::controls().gamepad_p2;
        const int JUMP_BTN = GamepadBindings::get().getButton(slot.name, slot.path, GamepadBindings::Action::JUMP);
        const int ATTACK_BTN = GamepadBindings::get().getButton(slot.name, slot.path, GamepadBindings::Action::ATTACK);

        return std::ranges::any_of(EventBuffer::events, [&](const SDL_Event& ev) {
            if (ev.type == SDL_EVENT_KEY_DOWN && (ev.key.scancode == KB_JUMP || ev.key.scancode == KB_ATTACK)) {
                return true;
            }
            if (ev.type == SDL_EVENT_GAMEPAD_BUTTON_DOWN && pad != nullptr && ev.gbutton.which == PAD_ID) {
                const int BTN = static_cast<int>(ev.gbutton.button);
                if (BTN == JUMP_BTN || BTN == ATTACK_BTN) { return true; }
            }
            return false;
        });
    }

}  // namespace Input::Detect