//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once

#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/UserId.h"

#include "td/utils/common.h"
#include "td/utils/Slice.h"
#include "td/utils/StringBuilder.h"
#include "td/utils/tl_helpers.h"

namespace td {

class ContactsManager;

class DialogInviteLink {
  string invite_link_;
  string title_;
  UserId creator_user_id_;
  int32 date_ = 0;
  int32 edit_date_ = 0;
  int32 expire_date_ = 0;
  int32 usage_limit_ = 0;
  int32 usage_count_ = 0;
  int32 request_count_ = 0;
  bool creates_join_request_ = false;
  bool is_revoked_ = false;
  bool is_permanent_ = false;

  friend bool operator==(const DialogInviteLink &lhs, const DialogInviteLink &rhs);

  friend StringBuilder &operator<<(StringBuilder &string_builder, const DialogInviteLink &invite_link);

 public:
  DialogInviteLink() = default;

  explicit DialogInviteLink(tl_object_ptr<telegram_api::chatInviteExported> exported_invite);

  static bool is_valid_invite_link(Slice invite_link);

  td_api::object_ptr<td_api::chatInviteLink> get_chat_invite_link_object(const ContactsManager *contacts_manager) const;

  bool is_valid() const {
    return !invite_link_.empty() && creator_user_id_.is_valid() && date_ > 0;
  }

  bool is_permanent() const {
    return is_permanent_;
  }

  const string &get_invite_link() const {
    return invite_link_;
  }

  UserId get_creator_user_id() const {
    return creator_user_id_;
  }

  template <class StorerT>
  void store(StorerT &storer) const {
    using td::store;
    bool has_expire_date = expire_date_ != 0;
    bool has_usage_limit = usage_limit_ != 0;
    bool has_usage_count = usage_count_ != 0;
    bool has_edit_date = edit_date_ != 0;
    bool has_request_count = request_count_ != 0;
    bool has_title = !title_.empty();
    BEGIN_STORE_FLAGS();
    STORE_FLAG(is_revoked_);
    STORE_FLAG(is_permanent_);
    STORE_FLAG(has_expire_date);
    STORE_FLAG(has_usage_limit);
    STORE_FLAG(has_usage_count);
    STORE_FLAG(has_edit_date);
    STORE_FLAG(has_request_count);
    STORE_FLAG(creates_join_request_);
    STORE_FLAG(has_title);
    END_STORE_FLAGS();
    store(invite_link_, storer);
    store(creator_user_id_, storer);
    store(date_, storer);
    if (has_expire_date) {
      store(expire_date_, storer);
    }
    if (has_usage_limit) {
      store(usage_limit_, storer);
    }
    if (has_usage_count) {
      store(usage_count_, storer);
    }
    if (has_edit_date) {
      store(edit_date_, storer);
    }
    if (has_request_count) {
      store(request_count_, storer);
    }
    if (has_title) {
      store(title_, storer);
    }
  }

  template <class ParserT>
  void parse(ParserT &parser) {
    using td::parse;
    bool has_expire_date;
    bool has_usage_limit;
    bool has_usage_count;
    bool has_edit_date;
    bool has_request_count;
    bool has_title;
    BEGIN_PARSE_FLAGS();
    PARSE_FLAG(is_revoked_);
    PARSE_FLAG(is_permanent_);
    PARSE_FLAG(has_expire_date);
    PARSE_FLAG(has_usage_limit);
    PARSE_FLAG(has_usage_count);
    PARSE_FLAG(has_edit_date);
    PARSE_FLAG(has_request_count);
    PARSE_FLAG(creates_join_request_);
    PARSE_FLAG(has_title);
    END_PARSE_FLAGS();
    parse(invite_link_, parser);
    parse(creator_user_id_, parser);
    parse(date_, parser);
    if (has_expire_date) {
      parse(expire_date_, parser);
    }
    if (has_usage_limit) {
      parse(usage_limit_, parser);
    }
    if (has_usage_count) {
      parse(usage_count_, parser);
    }
    if (has_edit_date) {
      parse(edit_date_, parser);
    }
    if (has_request_count) {
      parse(request_count_, parser);
    }
    if (has_title) {
      parse(title_, parser);
    }
    if (creates_join_request_) {
      usage_limit_ = 0;
    }
  }
};

bool operator==(const DialogInviteLink &lhs, const DialogInviteLink &rhs);

bool operator!=(const DialogInviteLink &lhs, const DialogInviteLink &rhs);

StringBuilder &operator<<(StringBuilder &string_builder, const DialogInviteLink &invite_link);

}  // namespace td