/*
 * Copyright (C) 2020 ndeadly
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#pragma once
#include "emulated_switch_controller.hpp"

namespace ams::controller {

    enum XboxOneDPadDirection {
        XboxOneDPad_Released,
        XboxOneDPad_N,
        XboxOneDPad_NE,
        XboxOneDPad_E,
        XboxOneDPad_SE,
        XboxOneDPad_S,
        XboxOneDPad_SW,
        XboxOneDPad_W,
        XboxOneDPad_NW
    };

    struct XboxOneStickData {
        uint16_t x;
        uint16_t y;
    } __attribute__ ((__packed__));

    // Used on older firmware
    struct XboxOneButtonData {
        uint8_t      dpad;

        uint8_t A            : 1;
        uint8_t B            : 1;
        uint8_t X            : 1;
        uint8_t Y            : 1;
        uint8_t LB           : 1;
        uint8_t RB           : 1;
        uint8_t view         : 1;
        uint8_t menu         : 1;

        uint8_t lstick_press : 1;
        uint8_t rstick_press : 1;
        uint8_t              : 0;
    } __attribute__ ((__packed__));

    // Used on latest firmwares
    struct XboxOneButtonDataNew {
        uint8_t      dpad;

        uint8_t A            : 1;
        uint8_t B            : 1;
        uint8_t              : 1;
        uint8_t X            : 1;
        uint8_t Y            : 1;
        uint8_t              : 1;
        uint8_t LB           : 1;
        uint8_t RB           : 1;

        uint8_t              : 3;
        uint8_t menu         : 1;
        uint8_t guide        : 1;
        uint8_t lstick_press : 1;
        uint8_t rstick_press : 1;
        uint8_t              : 0;

        uint8_t view         : 1;
        uint8_t              : 0;

    } __attribute__ ((__packed__));

    struct XboxOneInputReport0x01 {
        XboxOneStickData        left_stick;
        XboxOneStickData        right_stick;
        uint16_t                left_trigger;
        uint16_t                right_trigger;
        XboxOneButtonDataNew    buttons;
    } __attribute__ ((__packed__));

    struct XboxOneInputReport0x02{
        uint8_t guide   : 1;
        uint8_t         : 0; 
    } __attribute__ ((__packed__)); 

    struct XboxOneInputReport0x04 {
        uint8_t capacity : 2;
        uint8_t mode     : 2;
        uint8_t charging : 1;
        uint8_t          : 2;
        uint8_t online   : 1;
    } __attribute__ ((__packed__));
 
    struct XboxOneReportData {
        uint8_t id;
        union {
            XboxOneInputReport0x01 input0x01;
            XboxOneInputReport0x02 input0x02;
            XboxOneInputReport0x04 input0x04;
        };
    } __attribute__ ((__packed__));

    class XboxOneController : public EmulatedSwitchController {

        public:
            static constexpr const HardwareID hardware_ids[] = { 
                {0x045e, 0x02e0},   // Official Xbox One S Controller
                {0x045e, 0x02fd},   // Official Xbox One S Controller
                {0x045e, 0x0b00},   // Official Xbox One Elite 2 Controller
                {0x045e, 0x0b05},   // Official Xbox One Elite 2 Controller
                {0x045e, 0x0b0a}    // Official Xbox Adaptive Controller
            };  

            XboxOneController(const bluetooth::Address *address) 
                : EmulatedSwitchController(address) { };

            Result Initialize(void);
            void ConvertReportFormat(const bluetooth::HidReport *in_report, bluetooth::HidReport *out_report);

        private:
            void HandleInputReport0x01(const XboxOneReportData *src, SwitchReportData *dst);
            void HandleInputReport0x04(const XboxOneReportData *src, SwitchReportData *dst);

    };

}