#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "tinyxml.h"

#include "HomebrewXML.h"

#define ENTRIE_SIZE	 8192

/* qparam filename Filepath of the XML file */
bool HomebrewXML::LoadHomebrewXMLData(const char* filename) {
    Name.clear();
    Coder.clear();
    Version.clear();
    ShortDescription.clear();
    LongDescription.clear();
    Releasedate.clear();

    TiXmlDocument xmlDoc(filename);
    if(!xmlDoc.LoadFile())
        return false;

    TiXmlElement *appNode =  xmlDoc.FirstChildElement("app");
    if(!appNode)
        return false;

    TiXmlElement *node = NULL;

    node = appNode->FirstChildElement("name");
    if(node && node->FirstChild() && node->FirstChild()->Value())
        Name = node->FirstChild()->Value();

    node = appNode->FirstChildElement("coder");
    if(node && node->FirstChild() && node->FirstChild()->Value())
        Coder = node->FirstChild()->Value();

    node = appNode->FirstChildElement("version");
    if(node && node->FirstChild() && node->FirstChild()->Value())
        Version = node->FirstChild()->Value();

    node = appNode->FirstChildElement("short_description");
    if(node && node->FirstChild() && node->FirstChild()->Value())
        ShortDescription = node->FirstChild()->Value();

    node = appNode->FirstChildElement("long_description");
    if(node && node->FirstChild() && node->FirstChild()->Value())
        LongDescription = node->FirstChild()->Value();

    char ReleaseText[200];
    memset(ReleaseText, 0, sizeof(ReleaseText));

    node = appNode->FirstChildElement("release_date");
    if(node && node->FirstChild() && node->FirstChild()->Value())
        snprintf(ReleaseText, sizeof(ReleaseText), node->FirstChild()->Value());

    int len = (strlen(ReleaseText) - 6); //length of the date string without the 200000 at the end
    if (len == 8)
        snprintf(ReleaseText, sizeof(ReleaseText), "%c%c/%c%c/%c%c%c%c", ReleaseText[4], ReleaseText[5], ReleaseText[6], ReleaseText[7], ReleaseText[0], ReleaseText[1], ReleaseText[2], ReleaseText[3]);
    else if (len == 6)
        snprintf(ReleaseText, sizeof(ReleaseText), "%c%c/%c%c%c%c", ReleaseText[4], ReleaseText[5], ReleaseText[0], ReleaseText[1], ReleaseText[2], ReleaseText[3]);
    else
        snprintf(ReleaseText, sizeof(ReleaseText), "%s", ReleaseText);

    Releasedate = ReleaseText;

    node = appNode->FirstChildElement("arguments");
    if(!node)
        return true;

    TiXmlElement *argNode = node->FirstChildElement("arg");

    while(argNode) {
        if(argNode->FirstChild() && argNode->FirstChild()->Value())
            Arguments.push_back(std::string(argNode->FirstChild()->Value()));

        argNode = argNode->NextSiblingElement();
    }

    return true;
}

/* Set argument */
void HomebrewXML::SetArgument(const char* argument) {
    // Crop value from argument, if present
    char argName[strlen(argument)+1];
    strcpy(argName, argument);
    char *ptr = strrchr(argName, '=');
    if(ptr)
        *(ptr+1) = 0;

    // Check if argument already exists and edit it
    bool found = false;
    for(uint8_t i=0; i < Arguments.size(); i++) {
        size_t pos = Arguments[i].find(argName);
        if(pos != std::string::npos) {
            Arguments[i] = argument;
            found = true;
            break;
        }
    }

    // if it doesn't exist, add the new argument.
    if(!found)
        Arguments.push_back(argument);
}

/* Get name */
const char * HomebrewXML::GetName() const {
    return Name.c_str();
}

/* Set Name */
void HomebrewXML::SetName(char * newName) {
    Name = newName;
}

/* Get coder */
const char * HomebrewXML::GetCoder() const {
    return Coder.c_str();
}

/* Get version */
const char * HomebrewXML::GetVersion() const {
    return Version.c_str();
}

/* Set version */
void HomebrewXML::SetVersion(const char * newVer) {
    Version = newVer;
}

/* Get releasedate */
const char * HomebrewXML::GetReleasedate() const {
    return Releasedate.c_str();
}

/* Get shortdescription */
const char * HomebrewXML::GetShortDescription() const {
    return ShortDescription.c_str();
}

/* Get longdescription */
const char * HomebrewXML::GetLongDescription() const {
    return LongDescription.c_str();
}