#ifndef _VERSION_H
#define _VERSION_H

// These variables are autogenerated and compiled
// into the library by the version.cmake script
extern "C"
{
    extern const char *GIT_TAG;
    extern const char *GIT_REV;
    extern const char *GIT_BRANCH;
    extern const char *BUILD_TIME;
}

#include <string>
#include <string.h>
#include "Helper.h"
#include <fstream>
#include <algorithm>

const char *build_time(void)
{
    return BUILD_TIME;
}

const char *libfive_git_version(void)
{
    return GIT_TAG;
}

const char *libfive_git_revision(void)
{
    return GIT_REV;
}

const char *libfive_git_branch(void)
{
    return GIT_BRANCH;
}

std::string getFwVersion(void)
{
    std::string buf;
    if (std::string(GIT_TAG) == "")
    {
        // Tag not set, show branch
        buf = "Development-Branch: " + std::string(GIT_BRANCH);
    }
    else
    {
        // Tag is set, ignore branch
        buf = "Release: " + std::string(GIT_TAG);
    }
    buf = buf + " (Commit: " + std::string(GIT_REV) + ")";

    return buf;
}

std::string getHTMLversion(void)
{
    char buf[100] = "?\0";
    string fn = format_filename("/sdcard/html/version.txt");
    FILE *pFile = fopen(fn.c_str(), "r");

    if (pFile == NULL)
    {
        return std::string(buf);
    }

    fgets(buf, sizeof(buf), pFile); // Line 1: Version
    fclose(pFile);

    string value = string(buf);
    value.erase(std::remove(value.begin(), value.end(), '\n'), value.end()); // Remove any newlines

    return value;
}

std::string getHTMLcommit(void)
{
    char buf[100] = "?\0";
    string fn = format_filename("/sdcard/html/version.txt");
    FILE *pFile = fopen(fn.c_str(), "r");

    if (pFile == NULL)
    {
        return std::string(buf);
    }

    fgets(buf, sizeof(buf), pFile); // Line 1: Version -> ignored
    fgets(buf, sizeof(buf), pFile); // Line 2: Commit
    fclose(pFile);

    string value = string(buf);
    value.erase(std::remove(value.begin(), value.end(), '\n'), value.end()); // Remove any newlines

    return value;
}

#endif // _VERSION_H