#include "GlobalConfig.h"

#include <QJsonArray>
#include <QJsonDocument>
#include <QFile>
#include <QDebug>
#include <QDataStream>

#define CONFIGT_FILE_PATH  "./GenUML.config"

CGlobalConfig* CGlobalConfig::getInstance()
{
    static CGlobalConfig instance;
    return &instance;
}

CGlobalConfig::CGlobalConfig()
{
    // 打开 JSON 文件
    QFile file(CONFIGT_FILE_PATH);
    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
        return;
    }

    // 读取文件内容并解析为 QJsonDocument
    QByteArray fileData = file.readAll();
    QJsonDocument jsonDoc = QJsonDocument::fromJson(fileData);

    // 检查 JSON 文档是否有效
    if (jsonDoc.isNull() || !jsonDoc.isObject()) {
        return;
    }

    // 获取根对象
    m_jsonObj = jsonDoc.object();
    QJsonArray filterArray = m_jsonObj["FilterPath"].toArray();
    foreach (const QJsonValue &item, filterArray)
    {
        m_vecFilterPath.append(item.toString());
    }

    QJsonArray includeArray = m_jsonObj["IncludePath"].toArray();
    foreach (const QJsonValue &item, includeArray)
    {
        m_vecIncludePath.append(item.toString());
    }

    file.close();
}

CGlobalConfig::~CGlobalConfig()
{
    save();
}

QVector<QString> CGlobalConfig::getFilterPath() const
{
    return m_vecFilterPath;
}

void CGlobalConfig::setFilterPath(const QVector<QString>& vecPath)
{
    m_vecFilterPath = vecPath;
    save();
}

QVector<QString> CGlobalConfig::getIncludePath() const
{
    return m_vecIncludePath;
}

void CGlobalConfig::setIncludePath(const QVector<QString>& vecPath)
{
    m_vecIncludePath = vecPath;
    save();
}

void CGlobalConfig::setConfig(const QString& name, const QVariant& val)
{
    m_jsonObj[name] = QJsonValue::fromVariant(val);
    save();
}

QVariant CGlobalConfig::getConfig(const QString& name) const
{
    return m_jsonObj[name].toVariant();
}

void CGlobalConfig::save()
{
    QJsonArray filterArray;
    foreach (const auto& item, m_vecFilterPath)
    {
        filterArray.append(item);
    }

    QJsonArray includeArray;
    foreach (const auto& item, m_vecIncludePath)
    {
        includeArray.append(item);
    }

    m_jsonObj["FilterPath"] = filterArray;
    m_jsonObj["IncludePath"] = includeArray;

    // 将 QJsonObject 转换为 QJsonDocument
    QJsonDocument jsonDoc(m_jsonObj);

    // 打开文件写入 JSON 数据
    QFile file(CONFIGT_FILE_PATH);
    if (!file.open(QIODevice::WriteOnly)) {
        qWarning() << "Open file error" << file.errorString();
        return;
    }

    file.write(jsonDoc.toJson());
    file.close();
}