#include <QtTest>
#include <QTemporaryDir>
#include <QFile>
#include <QJsonDocument>
#include "terminal_policy.h"
class TerminalPolicyTest : public QObject {
    Q_OBJECT
private slots:
    void durableBeforeRuntime() {
        QTemporaryDir dir; const QString path=dir.path()+"/policy.json";int calls=0;
        QJsonObject p{{"policyProtocol",1},{"configVersion",2},{"deploymentId","dispatch_1"},
                      {"heartbeatInterval",30},{"commandPollInterval",5},{"desktopRefreshInterval",20},{"deviceToken","must-not-persist"}};
        auto apply=[&](int h,int c,int r){
            QFile file(path); QVERIFY(file.open(QIODevice::ReadOnly));
            const auto disk=QJsonDocument::fromJson(file.readAll()).object();
            QCOMPARE(disk.value("configVersion").toInt(),2);QVERIFY(!disk.contains("deviceToken"));
            QCOMPARE(h,30);QCOMPARE(c,5);QCOMPARE(r,20);++calls;
        };
        QCOMPARE(vdi::applyTerminalPolicy(p,path,apply),QString());QCOMPARE(calls,1);
        const auto original=QFileInfo(path).size();
        for (const auto key:{"heartbeatInterval","commandPollInterval","desktopRefreshInterval","policyProtocol","configVersion"}) {
            auto bad=p;bad[key]=1.5;
            QCOMPARE(vdi::applyTerminalPolicy(bad,path,apply),QString("invalid_policy"));
        }
        auto bad=p;bad["heartbeatInterval"]=90;
        QCOMPARE(vdi::applyTerminalPolicy(bad,path,apply),QString("invalid_policy"));
        QCOMPARE(QFileInfo(path).size(),original);QCOMPARE(calls,1);
        QCOMPARE(vdi::applyTerminalPolicy(p,dir.path()+"/missing/policy.json",apply),QString("persist_failed"));
        QCOMPARE(vdi::applyTerminalPolicy(p,path,{}),QString("runtime_unavailable"));QCOMPARE(calls,1);
    }
};
QTEST_GUILESS_MAIN(TerminalPolicyTest)
#include "test_terminal_policy.moc"