#include <stdio.h>
#include <string.h>
#include <vector>
#include <chrono>
#include<iostream>
#include "example.h"
#include "htra_api.h"
using namespace std;

#define IS_USB 1 // Default uses USB device. Set IS_USB to 0 if using Ethernet device.

int SWP_Fixedtime_GetFrames()
{
    int Status = 0;      // Function return value.
    void* Device = NULL; // Memory address of the current device.
    int DevNum = 0;      // Specified device number.

    BootProfile_TypeDef BootProfile; // Boot configuration struct, including physical interface, power supply, etc.
    BootInfo_TypeDef BootInfo;       // Boot info struct, including device info, USB rate, etc.

    BootProfile.DevicePowerSupply = USBPortAndPowerPort; // Use both USB data port and independent power port.

#if IS_USB==1
    // Configure USB interface.
    BootProfile.PhysicalInterface = USB;
#else 
    // Configure Ethernet interface.
    BootProfile.PhysicalInterface = ETH;
    BootProfile.ETH_IPVersion = IPv4;
    BootProfile.ETH_RemotePort = 5000;
    BootProfile.ETH_ReadTimeOut = 5000;
    BootProfile.ETH_IPAddress[0] = 192;
    BootProfile.ETH_IPAddress[1] = 168;
    BootProfile.ETH_IPAddress[2] = 1;
    BootProfile.ETH_IPAddress[3] = 100;
#endif

    Status = Device_Open(&Device, DevNum, &BootProfile, &BootInfo);              // Open device.

    Device_Open_ErrorHandling(Status, &Device, DevNum, &BootProfile, &BootInfo); // If Status is not 0, handle error according to the return value.


    SWP_Profile_TypeDef SWP_ProfileIn;  // SWP input config, including start/stop frequency, RBW, reference level, etc.
    SWP_Profile_TypeDef SWP_ProfileOut; // SWP output config.
    SWP_TraceInfo_TypeDef TraceInfo;    // Trace info of current config, including number of points, hops, etc.

    SWP_ProfileDeInit(&Device, &SWP_ProfileIn); // Initialize SWP parameters.

    SWP_ProfileIn.StartFreq_Hz = 9e3;   // Configure start frequency.
    SWP_ProfileIn.StopFreq_Hz = 6.35e9; // Configure stop frequency.
    SWP_ProfileIn.RBW_Hz = 300e3;       // Configure RBW.

    Status = SWP_Configuration(&Device, &SWP_ProfileIn, &SWP_ProfileOut, &TraceInfo); // Apply SWP config.

    SWP_Configuration_ErrorHandling(Status, &Device, DevNum, &BootProfile, &BootInfo, &SWP_ProfileIn, &SWP_ProfileOut, &TraceInfo); // If Status is not 0, handle error accordingly.

    vector<double> Frequency(TraceInfo.FullsweepTracePoints);    // Create frequency array.
    vector<float> PowerSpec_dBm(TraceInfo.FullsweepTracePoints); // Create power array.
    int HopIndex = 0;                                            // Current hop index.
    int FrameIndex = 0;                                          // Current frame index.
    MeasAuxInfo_TypeDef MeasAuxInfo;                             // Measurement auxiliary info: max power index, max power, device temperature, GPS, timestamp, etc.

    int t = 0;              // Loop counter.
    int frame = 0;          // Frame count per loop.
    int frame_mul = 0;      // Total frame count.
    double frame_avg = 0.0; // Average frame count.
    double time = 10.0;     // Time limit per loop (seconds).

    // Initialize device and variables etc.
    // Device Device.
    // Other variable and function initializations.

    auto start = std::chrono::high_resolution_clock::now();  // Start time of outer loop.
    
     // Loop 5 times.
    while (t < 5) { 
    
        frame = 0; // Reset frame count.

        // Continuously call SWP_GetPartialSweep before reaching time limit.
        auto loop_start = std::chrono::high_resolution_clock::now(); // Start time of inner loop.
        auto stop = loop_start;
        auto timeout = std::chrono::duration_cast<std::chrono::duration<double, std::ratio<1, 1>>>(stop - start);

        while (timeout.count() < time) 
        {
            Status = SWP_GetPartialSweep(&Device, Frequency.data(), PowerSpec_dBm.data(), &HopIndex, &FrameIndex, &MeasAuxInfo); // Get spectrum data.

            SWP_ErrorHandlingExceptOpenAndConfiguration(Status, &Device, DevNum, &BootProfile, &BootInfo, &SWP_ProfileIn, &SWP_ProfileOut, &TraceInfo); // If Status is not 0, handle error accordingly.
            
            stop = std::chrono::high_resolution_clock::now();
            timeout = std::chrono::duration_cast<std::chrono::duration<double, std::ratio<1, 1>>>(stop - loop_start);

            frame++; // Accumulate spectrum frames.

        }

        // Output results of current loop.
        cout << "In the " << t + 1 << "th loop, the number of spectrum frames that can be obtained within " << timeout.count() << " seconds is: " << frame << endl;
        frame_mul += frame;  // Accumulate total spectrum frames.
        t++;  // Increment loop count.

        // Restart timer.
        start = std::chrono::high_resolution_clock::now();
    }

    // Calculate and output average frame count.
    frame_avg = static_cast<double>(frame_mul) / t;
    cout << "The average number of spectrum frames that can be obtained within 10 seconds(5 times): " << frame_avg << endl;
    Device_Close(&Device); // Close device.

    return 0;
}
