#include "palabos2D.h"
#include "palabos2D.hh"

using namespace plb;
using namespace std;
typedef double T;

int main(int argc, char *argv[])
{
    plbInit(&argc, &argv);
    global::directories().setOutputDir("./tmp/");

    try {
        // 1. 从命令行读取参数。
        int value = 27;
        global::argv(1).readNoThrow(value);
        pcout << value << endl;

        // 2. 从XML文件中读取参数。
        string fName("demo.xml");

        XMLreader document(fName); // 读取xml文件

        string text;
        document["MyApp"]["Messages"]["Welcome"].read(text);
        pcout << "TEXT:" << text << endl;

        int number;
        bool boolVal;
        T someFloat;
        std::vector<int> numbers;

        document["MyApp"]["Value"]["OneNumber"].read(number); // 读取整数
        pcout << "ONE NUMBER:" << number << endl;

        document["MyApp"]["OneBool"].read(boolVal); // 读取布尔值
        pcout << "ONE BOOL:" << boolVal << endl;

        document["MyApp"]["OneFloat"].read(someFloat); // 读取双精度浮点数
        pcout << "ONE FLOAT:" << someFloat << endl;

        document["MyApp"]["TwoNumbers"].read(numbers); // 读取矢量
        pcout << "TWO NUMBERS:" << numbers[0] << " " << numbers[1] << endl;

        double nestedVal;
        XMLreaderProxy nested = document["MyApp"]["Nested"]; // 读取内嵌数据：id和变量值
        for (; nested.isValid(); nested = nested.iterId()) {
            nested["NestedData"].read(nestedVal);
            pcout << "Nested value at id " << nested.getId() << ": " << nestedVal << endl;
        }

        // 3. 将数据写入XML文件
        //
        XMLwriter demo2; // 实例化一个demo2对象
        XMLwriter &myApp = demo2["MyApp"]; // 应该类似字典或者dataframe之类的

        XMLwriter &messages = myApp["Messages"]; // 二级变量
        messages.setString("Text of message"); // 设置字符串值，默认id为0
        messages["Welcome"].setString("Welcome to MyApp");
        messages["FareWell"].setString("Good bye");
        XMLwriter &messages2 = myApp["Messages"][2]; // 指定id为2
        messages2["Welcome"].setString("Welcome again"); // 设置id 2字符串值

        vector<int> twoNumbers;
        twoNumbers.push_back(12);
        twoNumbers.push_back(24);
        myApp["Windows"]["Window"];
        myApp["OneNumber"][3].set(12); // 设置id=3的值
        myApp["OneNumber"][2].set(2); // 设置id=2的值
        myApp["OneNumber"][20].set(20); // 设置id=20的值
        myApp["TwoNumbers"].set(twoNumbers); // 设置vector值
        myApp["OneFloat"].set(12.34); // 设置浮点数值

        demo2.print("demo2.xml"); // 写入文件

    }
	// 捕获和处理PALABOS输入输入出异常，并输出异常信息
    catch (PlbIOException &exception)
    {
        pcout << exception.what() << endl;
        return -1;
    }
}