#include "storychain_sourceeditor.h"
#include "keywordshightlighter.h"
#include <QMenu>
#include <QDebug>
#include <QVBoxLayout>
#include <QComboBox>
#include <QSpinBox>

using namespace Enhancement;
using namespace Parse::Result;
using namespace Core;
using namespace Components;

StorychainSourceEdit::StorychainSourceEdit()
    : highter_ins(new KeywordsHightlighter(this)), edit_square(new QTextEdit)
{
    connect(edit_square, &QTextEdit::textChanged, [this](){
        emit this->dataChanged(filepath_store);
    });
    highter_ins->setDocument(edit_square->document());
}

void StorychainSourceEdit::contexBind(AppCore *app, Parse::Result::DocCore *core)
{
    core_ins = core;
    app_core = app;
}

void StorychainSourceEdit::reHighlighter() const
{
    highter_ins->rehighlight();
}

void StorychainSourceEdit::modeReset(const QString &) const{}

QList<QString> StorychainSourceEdit::modes() const
{
    return QList<QString>() << "源码";
}

QString StorychainSourceEdit::currentMode() const
{
    return modes()[0];
}

QList<QString> StorychainSourceEdit::suffixes() const
{
    return QList<QString>() << "storychain";
}

std::tuple<bool, QString> StorychainSourceEdit::create(const QDir &target, const QString &name, const QString &suffix)
{
    auto path = target.filePath(QString("%1.%2").arg(name, suffix));
    if(QFileInfo::exists(path))
        return std::make_tuple(false, path);

    QFile nwf(path);
    if(!nwf.open(QIODevice::WriteOnly|QIODevice::Text))
        throw new SimpleException("指定文件");

    return std::make_tuple(true, target.relativeFilePath(path));
}

MakeTools::ContentPresent *StorychainSourceEdit::newInst() const
{
    return new StorychainSourceEdit();
}

QWidget *StorychainSourceEdit::widget() const
{
    return edit_square;
}

void StorychainSourceEdit::applySetting(const QString &name, Core::AppCore *core)
{
    this->name_store = name;
}

QString StorychainSourceEdit::name() const
{
    return name_store;
}

void StorychainSourceEdit::load(const QFileInfo &target_file)
{
    if(!target_file.exists())
        throw new SimpleException("参数错误：传入的文件不存在");
    if(!target_file.isFile())
        throw new SimpleException("参数错误：传入参数非文件类型");

    filepath_store = target_file.absoluteFilePath();
    QFile bin(filepath_store);
    if(!bin.open(QIODevice::ReadOnly|QIODevice::Text))
        throw new SimpleException("参数错误：指定的文件无法打开");

    QTextStream tin(&bin);
    tin.setCodec("UTF-8");
    this->edit_square->setText(tin.readAll());
}

void StorychainSourceEdit::saveAs(const QString &path)
{
    if(!path.isEmpty())
        filepath_store = path;

    QFile bout(filepath_store);
    if(!bout.open(QIODevice::WriteOnly|QIODevice::Text))
        throw new SimpleException("参数错误：指定的文件无法打开");

    QTextStream tout(&bout);
    tout.setCodec("UTF-8");
    tout << this->edit_square->toPlainText();
    tout.flush();
}

QString StorychainSourceEdit::targetPath(const QDir &base) const
{
    return base.relativeFilePath(filepath_store);
}

QString StorychainSourceEdit::absulateTargetPath() const
{
    return filepath_store;
}

QString StorychainSourceEdit::getText() const
{
    return edit_square->toPlainText();
}

bool StorychainSourceEdit::isModified() const
{
    return true;
}

void StorychainSourceEdit::jumpTo(const QList<QString> &path)
{
    auto fpath = this->absulateTargetPath();
    auto core = app_core->parseCore();
    if(path.size()){
        auto storynode = core->queryStoryChain(path[0]).first();
        auto first_word = storynode->refered()[0];

        auto textblock = this->edit_square->document()->findBlockByNumber(first_word->row());
        auto cur = this->edit_square->textCursor();
        cur.setPosition(textblock.position());
        cur.select(QTextCursor::SelectionType::LineUnderCursor);
        this->edit_square->setTextCursor(cur);

        if(path.size() > 1){
            auto storypoint = core->queryStoryPoint(storynode, path[1]).first();
            first_word = storypoint->refered()[0];

            auto textblock = this->edit_square->document()->findBlockByNumber(first_word->row());
            cur.setPosition(textblock.position());
            cur.select(QTextCursor::SelectionType::LineUnderCursor);
            this->edit_square->setTextCursor(cur);
        }
    }

    this->widget()->setFocus();
}