#include "mainwindow.h"
#include "ui_mainwindow.h"

#include "playfield.h"

#include <QFile>
#include <QTextStream>
#include <QDebug>
#include <QException>
#include "parse.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    lblCycles = new QLabel(ui->statusBar);
    ui->statusBar->addWidget(lblCycles);

    loadProgramFromFile("C:\\test.ccp", Qt::red, 10, 10);



//    simulator.loadProgram(Qt::red, 10, 10);
//    simulator.loadProgram(Qt::blue, 15, 15);

    ui->centralWidget->layout()->addWidget(new Playfield(simulator, ui->centralWidget));

    auto timerRepaint = new QTimer(this);
    connect(timerRepaint, &QTimer::timeout, this, [this](){
        mutex.lock();
        repaint();
        lblCycles->setText(QString(tr("Cycles: %1")).arg(simulator.cycle));
//        lblCycles->setText(QString(tr("Cycles: %1 CntA: %2 CntB: %3")).arg(simulator.cycle).arg(simulator.teams[0]->programCount).arg(simulator.teams[1]->programCount));
        mutex.unlock();
    });
    timerRepaint->start(100);

    connect(timer, &QTimer::timeout, this, [this](){
        simulate();
    });


    connect(ui->actionStart, &QAction::triggered, this, [this](){
        timer->start(1);
    });

    connect(ui->actionPause, &QAction::triggered, this, [this](){
        timer->stop();
    });

    connect(ui->actionSingleStep, &QAction::triggered, this, [this](){
        timer->stop();
        simulate();
    });



}

MainWindow::~MainWindow()
{
	delete ui;
}

QVector<QVector<Instruction>> MainWindow::loadProgramCodeFromFile(QString path) {
	QFile file(path);

	if(!file.open(QIODevice::ReadOnly | QIODevice::Text))
	{
		throw QException();
	}

	QTextStream in(&file);

	QVector<QVector<Instruction>> banks;

	while(!in.atEnd())
	{
		QString line = in.readLine();
		process_line(line, banks);
	}

	return banks;
}

void MainWindow::loadProgramFromFile(QString path, QColor color, int x, int y) {
    auto programCode = loadProgramCodeFromFile(path);

    shared_ptr<Team> team = make_shared<Team>(color);
    ++team->programCount;
    simulator.teams.push_back(team);

    Program program(team, Right, Position{x, y}, 2, 0, 1);
    program.active = team->id;
    for(auto& bank : programCode) {
        vector<Instruction> instructions;
        for(auto& inst : bank) {
           instructions.push_back(inst);
        }

        program.banks.push_back(make_shared<Bank>(team, instructions));
    }
    simulator.programs.push_back(program);
}

void MainWindow::simulate()
{
	mutex.lock();
	simulator.simulate();
	mutex.unlock();
}