#include "NodeSQLiteModule.h"
#include "../bindings/sqlite/JSNodeSQLiteDatabaseSync.h"
#include "../bindings/sqlite/JSNodeSQLiteStatementSync.h"
#include "ZigGlobalObject.h"
#include "JavaScriptCore/JSCInlines.h"
#include "JavaScriptCore/CallFrame.h"

namespace Zig {

using namespace JSC;
using namespace WebCore;

// Simple placeholder functions for DatabaseSync methods
JSC_DEFINE_HOST_FUNCTION(jsFunctionDatabaseSyncOpen, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
    // TODO: Implement actual database open functionality
    return JSValue::encode(jsUndefined());
}

JSC_DEFINE_HOST_FUNCTION(jsFunctionDatabaseSyncClose, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
    // TODO: Implement actual database close functionality
    return JSValue::encode(jsUndefined());
}

JSC_DEFINE_HOST_FUNCTION(jsFunctionDatabaseSyncExec, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
    // TODO: Implement actual database exec functionality
    return JSValue::encode(jsUndefined());
}

JSC_DEFINE_HOST_FUNCTION(jsFunctionDatabaseSyncPrepare, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
    // TODO: Implement actual database prepare functionality
    return JSValue::encode(jsUndefined());
}

JSC_DEFINE_HOST_FUNCTION(jsFunctionNodeSQLiteBackup, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
    VM& vm = globalObject->vm();
    auto scope = DECLARE_THROW_SCOPE(vm);
    
    // TODO: Implement backup function
    throwException(globalObject, scope, createError(globalObject, "backup function not implemented"_s));
    return {};
}

// Try to create the actual JSNodeSQLiteDatabaseSync object - this should work now that we call it from user code
JSC_DEFINE_HOST_FUNCTION(jsFunctionNodeSQLiteDatabaseSyncWrapper, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
    VM& vm = globalObject->vm();
    auto scope = DECLARE_THROW_SCOPE(vm);

    if (!callFrame->newTarget()) {
        throwTypeError(globalObject, scope, "Class constructor DatabaseSync cannot be invoked without 'new'"_s);
        return {};
    }

    // Create a test object with proper methods to verify the wrapper pattern works
    // Avoid LazyClassStructure for now - create a functional prototype
    JSC::JSObject* databaseObject = JSC::constructEmptyObject(globalObject, globalObject->objectPrototype(), 0);
    
    // Add placeholder methods that DatabaseSync should have  
    auto openFunction = JSC::JSFunction::create(vm, globalObject, 1, "open"_s, jsFunctionDatabaseSyncOpen, ImplementationVisibility::Public, NoIntrinsic, jsFunctionDatabaseSyncOpen);
    databaseObject->putDirect(vm, JSC::Identifier::fromString(vm, "open"), openFunction);
    
    auto closeFunction = JSC::JSFunction::create(vm, globalObject, 0, "close"_s, jsFunctionDatabaseSyncClose, ImplementationVisibility::Public, NoIntrinsic, jsFunctionDatabaseSyncClose);
    databaseObject->putDirect(vm, JSC::Identifier::fromString(vm, "close"), closeFunction);
    
    auto execFunction = JSC::JSFunction::create(vm, globalObject, 1, "exec"_s, jsFunctionDatabaseSyncExec, ImplementationVisibility::Public, NoIntrinsic, jsFunctionDatabaseSyncExec);
    databaseObject->putDirect(vm, JSC::Identifier::fromString(vm, "exec"), execFunction);
    
    auto prepareFunction = JSC::JSFunction::create(vm, globalObject, 1, "prepare"_s, jsFunctionDatabaseSyncPrepare, ImplementationVisibility::Public, NoIntrinsic, jsFunctionDatabaseSyncPrepare);
    databaseObject->putDirect(vm, JSC::Identifier::fromString(vm, "prepare"), prepareFunction);
    
    // Add some test properties
    databaseObject->putDirect(vm, JSC::Identifier::fromString(vm, "_type"), JSC::jsString(vm, String("DatabaseSync"_s)));
    databaseObject->putDirect(vm, JSC::Identifier::fromString(vm, "_implementation"), JSC::jsString(vm, String("simple-wrapper"_s)));
    
    return JSValue::encode(databaseObject);
}

// Wrapper for StatementSync constructor  
JSC_DEFINE_HOST_FUNCTION(jsFunctionNodeSQLiteStatementSyncWrapper, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
    VM& vm = globalObject->vm();
    auto scope = DECLARE_THROW_SCOPE(vm);

    // StatementSync cannot be created directly - it's created via database.prepare()
    throwTypeError(globalObject, scope, "StatementSync cannot be constructed directly. Use database.prepare() instead."_s);
    return {};
}

} // namespace Zig