#include "mainwindow.hpp"
#include "groupview.hpp"
#include "mapdump.hpp"
#include "sliceview.hpp"
#include "diffview.hpp"
#include "library.hpp"

#include <QMdiArea>
#include <QMenuBar>
#include <QMenu>
#include <QAction>
#include <QFileDialog>
#include <QApplication>
#include <QMessageBox>

#include <filesystem>
#include <vector>

#define MAPMAN_VERSION "pre-alpha"

mapman_main_window::mapman_main_window() : QMainWindow()
{
    l = nullptr;
    cw = new QMdiArea();
    setCentralWidget(cw);
    gv = new group_view();
    sv = new slice_view();
    dv = new diff_view();
    cw->addSubWindow(gv);
    cw->addSubWindow(sv);
    dv->hide();
    this->setWindowTitle("Mapman");
    cw->cascadeSubWindows();
    auto fm = this->menuBar()->addMenu("&File");
    auto cra = fm->addAction("Create / L&oad MapDB...");
    auto cla = fm->addAction("&Close MapDB");
    fm->addSeparator();
    auto lda = fm->addAction("&Load Map Dump...");
    fm->addSeparator();
    auto cta = fm->addAction("&Compare Map Tally...");
    fm->addSeparator();
    auto qa = fm->addAction("&Quit");
    cla->setEnabled(false);
    lda->setEnabled(false);
    cta->setEnabled(false);
    connect(cra, &QAction::triggered, [this, cla, lda, cta] {
        QString fn = QFileDialog::getSaveFileName(this, "Create / Load MapDB", QString(), "*.mapdb", nullptr, QFileDialog::Option::DontConfirmOverwrite);
        if (fn.length())
        {
            if (l) delete l;
            l = new map_library();
            std::filesystem::path p(fn.toStdWString());
            if (!l->open_db(p))
            {
                delete l;
                l = nullptr;
                return;
            }
            sv->set_library(l);
            gv->set_library(l);
            sv->refresh();
            gv->refresh_list();
            cla->setEnabled(true);
            lda->setEnabled(true);
            cta->setEnabled(true);
        }
    });
    connect(cla, &QAction::triggered, [this, cla, lda, cta] {
        if (l) delete l;
        l = nullptr;
        cla->setEnabled(false);
        lda->setEnabled(false);
        cta->setEnabled(false);
    });
    connect(lda, &QAction::triggered, [this] {
        if (!l) return;
        QString fn = QFileDialog::getOpenFileName(this, "Load Map Dump", QString(), "*.gz");
        if (fn.length())
        {
            std::vector<map_t> m;
            if (load_dumps(fn.toStdString().c_str(), m))
            {
                for (auto &map : m)
                    l->set_map(map);
                sv->refresh();
            }
        }
    });
    connect(cta, &QAction::triggered, [this] {
        if (!l) return;
        QString fn = QFileDialog::getOpenFileName(this, "Select Map Tally", QString(), "*.gz");
        if (fn.length())
        {
            auto tally = load_tally(fn.toStdString().c_str());
            std::vector<int> a_b, b_a;
            l->tally_diff(tally, a_b, b_a);
            dv->set_results(a_b, b_a);
            dv->show();
        }
    });
    connect(qa, &QAction::triggered, [] {
        QApplication::exit();
    });
    auto wm = this->menuBar()->addMenu("&Windows");
    auto swa = wm->addAction("Map &listings");
    auto gwa = wm->addAction("Map &art listings");
    connect(swa, &QAction::triggered, [this]{ sv->widget()->show(); sv->show(); });
    connect(gwa, &QAction::triggered, [this]{ gv->widget()->show(); gv->show(); });
    auto hm = this->menuBar()->addMenu("&Help");
    auto aba = hm->addAction("&About");
    auto aqa = hm->addAction("About &Qt");
    connect(aba, &QAction::triggered, [this]{
        QMessageBox::about(this, "About Mapman", QString(R"(
Mapman
A minecraft map art manager.

%1

Chris Xiong 2023

License: MIT (expat)
)")
    .arg(MAPMAN_VERSION).trimmed());
    });
    connect(aqa, &QAction::triggered, []{ QApplication::aboutQt(); });
}

mapman_main_window::~mapman_main_window()
{
    if (l)
        delete l;
    delete dv;
}