#include "ti_msp_dl_config.h"
#include "src/pi/i2c_pi_target.h"
#include "src/controller/controller.h"
#include "ti/driverlib/dl_i2c.h"
#include "src/battery_data/battery.h"
#include "src/cc_cv_charging.h"
#include <stdio.h>
#include "src/battery_data/battery.h"
#include "mock_setup.h"

volatile bool mcuSendCommand = false;
volatile bool picommandPending = false;

// Interrupt for I2C instance -> MCU to Target

void I2C_1_INST_IRQHandler(void)
{
    switch (DL_I2C_getPendingInterrupt(I2C_1_INST)) 
    {   
        case DL_I2C_IIDX_CONTROLLER_START:
            DL_I2C_flushControllerRXFIFO(I2C_1_INST);
            DL_I2C_flushControllerTXFIFO(I2C_1_INST);
            break;

        case DL_I2C_IIDX_CONTROLLER_RXFIFO_TRIGGER:
            if (DL_I2C_isTargetRXFIFOEmpty(I2C_1_INST)) {
                return;
            }
            mcuSendCommand= true;
            break;

        case DL_I2C_IIDX_CONTROLLER_TXFIFO_TRIGGER:
            /* Fill TX FIFO with bytes to send */
            mcuSendCommand = true;
            break;
        case DL_I2C_IIDX_CONTROLLER_STOP:
            mcuSendCommand = true;
        case DL_I2C_IIDX_CONTROLLER_ARBITRATION_LOST:
        case DL_I2C_IIDX_CONTROLLER_NACK:
            break; 
        default:
            break;
    }
}


void I2C_0_INST_IRQHandler(void)
{
    switch (DL_I2C_getPendingInterrupt(I2C_0_INST)) 
    {   
        case DL_I2C_IIDX_TARGET_START:
            DL_I2C_flushTargetTXFIFO(I2C_0_INST);
            break;

        case DL_I2C_IIDX_TARGET_RXFIFO_TRIGGER:
            if (DL_I2C_isTargetRXFIFOEmpty(I2C_0_INST)) {
                return;
            }
            picommandPending = true;
            break;

        case DL_I2C_IIDX_TARGET_TXFIFO_TRIGGER:
            /* Fill TX FIFO with bytes to send */
            picommandPending = true;
            break;
        case DL_I2C_IIDX_TARGET_STOP:
            picommandPending = true;
            //DL_I2C_flushTargetTXFIFO(I2C_0_INST);
            //DL_I2C_flushTargetRXFIFO(I2C_0_INST);
            break;
        case DL_I2C_IIDX_TARGET_ARBITRATION_LOST:
            break; 
        default:
            break;
    }
}

int main(void)
{
    SYSCFG_DL_init();
    Battery_Init();
    //Interrupt routine for Pi
    NVIC_EnableIRQ(I2C_0_INST_INT_IRQN);
    //Interrupt for target mcu
    NVIC_EnableIRQ(I2C_1_INST_INT_IRQN);
    
    while(1)
    { 
        if(picommandPending)
        {   printf("Pi Interrupt Triggered.\n");
            pi_i2c_mcu();
            picommandPending = false;
        }
        if(mcuSendCommand)
        {   printf("MCU Interrupt Triggered.\n");
            controller_GetBatteryMeasurement(TARGET_MCU_ADDRESS, 0);
            //test_Controller_SetCurrent();
            //test_Controller_GetBatteryMeasurement();
            //controller_SetCurrent(TARGET_MCU_ADDRESS, 0 , 90);
            mcuSendCommand = false;
        }
        for(uint8_t slot_id= 0; slot_id<NUM_SLOTS; slot_id++){
            //Reading battery state:
            Battery_ReadState(slot_id);
            //Reading CC CV Charging:
            //charge_current: 50
            CC_CV_ControlCharging(slot_id, 50);
            //Battery Measurement:
            /*printf("*** Battery Details: Slot: %u, Voltage:%u, Current: %u, Temperature:%u, Slot State:%u ***\n",
            slot_id, battery_data[slot_id].battery_measurement.voltage, battery_data[slot_id].battery_measurement.current, battery_data[slot_id].battery_measurement.temperature,
            battery_data[slot_id].battery_measurement.slot_state);*/
            //controller_EvaluateBatterySlotState(slot_id, &battery_data[slot_id].battery_measurement);
            
            /*printf("*** Battery Limits: Slot: %d, Max Voltage:%u, Min Voltage:%u, "
           "Cutoff Current: %u, Capacitance:%u, Charge Fraction:%u ***\n", slot_id, battery_data[slot_id].max_voltage,
           battery_data[slot_id].min_voltage, battery_data[slot_id].cut_off_current,
           battery_data[slot_id].capacitance, battery_data[slot_id].charge_fraction);*/
        
        }
        
    }
}