/*
 * Copyright (c) 2025, stelar7 <dudedbz@gmail.com>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/Variant.h>
#include <AK/Vector.h>
#include <LibGC/Ptr.h>
#include <LibJS/Heap/Cell.h>
#include <LibJS/Runtime/Realm.h>
#include <LibWeb/IndexedDB/Internal/Algorithms.h>
#include <LibWeb/IndexedDB/Internal/KeyGenerator.h>

namespace Web::IndexedDB {

using KeyPath = Variant<String, Vector<String>>;

// https://w3c.github.io/IndexedDB/#object-store-construct
class ObjectStore : public JS::Cell {
    GC_CELL(ObjectStore, JS::Cell);
    GC_DECLARE_ALLOCATOR(ObjectStore);

public:
    [[nodiscard]] static GC::Ref<ObjectStore> create(JS::Realm&, String, bool, Optional<KeyPath> const&);
    virtual ~ObjectStore();

    String name() const { return m_name; }
    Optional<KeyPath> key_path() const { return m_key_path; }
    bool uses_inline_keys() const { return m_key_path.has_value(); }
    bool uses_out_of_line_keys() const { return !m_key_path.has_value(); }
    Optional<KeyGenerator> key_generator() const { return m_key_generator; }

private:
    ObjectStore(String name, bool auto_increment, Optional<KeyPath> const& key_path)
        : m_name(move(name))
        , m_key_path(key_path)
    {
        if (auto_increment)
            m_key_generator = KeyGenerator {};
    }

    // An object store has a name, which is a name. At any one time, the name is unique within the database to which it belongs.
    String m_name;

    // An object store optionally has a key path. If the object store has a key path it is said to use in-line keys. Otherwise it is said to use out-of-line keys.
    Optional<KeyPath> m_key_path;

    // An object store optionally has a key generator.
    Optional<KeyGenerator> m_key_generator;
};

}