#include <bsp_q7s/gpio/gpioCallbacks.h>
#include <fsfwconfig/devices/gpioIds.h>
#include <linux/gpio/LinuxLibgpioIF.h>
#include <linux/gpio/GpioCookie.h>
#include <fsfw/serviceinterface/ServiceInterface.h>


namespace gpioCallbacks {

GpioIF* gpioComInterface;

void initTcsBoardDecoder(GpioIF* gpioComIF) {

    ReturnValue_t result;

    if (gpioComIF == nullptr) {
        sif::debug << "initTcsBoardDecoder: Invalid gpioComIF" << std::endl;
        return;
    }

    gpioComInterface = gpioComIF;

    GpioCookie* spiMuxGpios = new GpioCookie;
    /**
     * Initial values of the spi mux gpios can all be set to an arbitrary value expect for spi mux
     * bit 1. Setting spi mux bit 1 to high will pull all decoder outputs to high voltage level.
     */
    GpiodRegular spiMuxBit1(std::string("gpiochip7"), 13, std::string("SPI Mux Bit 1"), gpio::OUT,
            1);
    spiMuxGpios->addGpio(gpioIds::SPI_MUX_BIT_1, &spiMuxBit1);
    GpiodRegular spiMuxBit2(std::string("gpiochip7"), 14, std::string("SPI Mux Bit 2"), gpio::OUT,
            0);
    spiMuxGpios->addGpio(gpioIds::SPI_MUX_BIT_2, &spiMuxBit2);
    GpiodRegular spiMuxBit3(std::string("gpiochip7"), 15, std::string("SPI Mux Bit 3"), gpio::OUT,
            0);
    spiMuxGpios->addGpio(gpioIds::SPI_MUX_BIT_3, &spiMuxBit3);
    GpiodRegular spiMuxBit4(std::string("gpiochip7"), 16, std::string("SPI Mux Bit 4"), gpio::OUT,
            0);
    spiMuxGpios->addGpio(gpioIds::SPI_MUX_BIT_4, &spiMuxBit4);
    GpiodRegular spiMuxBit5(std::string("gpiochip7"), 17, std::string("SPI Mux Bit 5"), gpio::OUT,
            0);
    spiMuxGpios->addGpio(gpioIds::SPI_MUX_BIT_5, &spiMuxBit5);
    GpiodRegular spiMuxBit6(std::string("gpiochip7"), 18, std::string("SPI Mux Bit 6"), gpio::OUT,
            0);
    spiMuxGpios->addGpio(gpioIds::SPI_MUX_BIT_6, &spiMuxBit6);

    result = gpioComInterface->addGpios(spiMuxGpios);
    if (result != HasReturnvaluesIF::RETURN_OK) {
        sif::error << "initTcsBoardDecoder: Failed to add mux bit gpios to gpioComIF"
                << std::endl;
        return;
    }
}

void tcsBoardDecoderCallback(gpioId_t gpioId, gpio::GpioOperation gpioOp, int value,
        void* args) {

    if (gpioComInterface == nullptr) {
        sif::debug << "tcsBoardDecoderCallback: No gpioComIF specified. Call initTcsBoardDecoder "
                << "to specify gpioComIF" << std::endl;
        return;
    }

    /* Read is not supported by the callback function */
    if (gpioOp == gpio::GpioOperation::READ) {
        return;
    }

    if (value == 1) {
        /* This will pull all 16 decoder outputs to high */
        gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_1);
    }
    else if (value == 0) {
        switch (gpioId) {
        case(gpioIds::RTD_IC3): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_2);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC4): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_2);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC5): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_2);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC6): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_2);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC7): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_2);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC8): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_2);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC9): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_2);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC10): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_2);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC11): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC12): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC13): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC14): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC15): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC16): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC17): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        case(gpioIds::RTD_IC18): {
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
            gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_3);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_4);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_5);
            gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_6);
            break;
        }
        default:
            sif::debug << "tcsBoardDecoderCallback: Invalid gpioid " << gpioId << std::endl;
        }
    }
    else {
        sif::debug << "tcsBoardDecoderCallback: Invalid value. Must be 0 or 1" << std::endl;
    }
}

}