create table if not exists da_groups (
    da_name varchar(20) not null,
    da_comment varchar(100) default null,
    constraint da_groups_pk primary key (da_name) 
);

insert into da_groups (da_name, da_comment)
    values
        ('general', 'Общие контакты'),
        ('work', 'Рабочие контакты'),
        ('personal', 'Личные контакты');

create table if not exists da_lists (
    da_name varchar(20) not null,
    da_comment varchar(100) default null,
    constraint da_lists_pk primary key (da_name) 
);

insert into da_lists (da_name, da_comment)
    values
        ('general', 'Общий'),
        ('whitelist', 'Белый'),
        ('blacklist', 'Черный');

create table if not exists da_numbers (
    da_number varchar(12) not null,
    da_group varchar(20) not null default 'general',
    da_list varchar(20) not null default 'general',
    da_all_cc int not null default 0,
    da_white_cc int not null default 0,
    da_black_cc int not null default 0,  
    da_comment varchar(100) default null,
    constraint da_numbers_pk primary key (da_number),
    foreign key (da_group) references da_groups (da_name) on delete set null on update cascade,
    foreign key (da_list) references da_lists (da_name) on delete set null on update cascade
);

create table if not exists da_sms (
    da_id bigserial not null,
    da_date timestamp not null default NOW(),
    da_to varchar(12) not null,
    da_from varchar(12) not null,
    da_text text not null,
    constraint da_sms_pk primary key (da_id)
);

create table if not exists da_ussd_type (
    da_id bigserial not null,
    da_comment varchar(100) not null,
    constraint da_ussd_type_pk primary key (da_id)
);

insert into da_ussd_type (da_id, da_comment)
    values
        ('0', 'Уведомление'),
        ('1', 'Запрос'),
        ('2', 'Прервано сетью'),
        ('3', 'Ответ другого локального клиента'),
        ('4', 'Операция не поддерживается'),
        ('5', 'Тайм-аут сети');

create table if not exists da_ussd (
    da_id bigserial not null,
    da_date timestamp not null default NOW(),
    da_to varchar(12) not null,
    da_type smallint not null,
    da_text text not null,
    constraint da_ussd_pk primary key (da_id)
);

create table if not exists da_server (
    da_id int not null default 1,
    da_transparent_mode bool not null default false,
    da_internal_number varchar(12) not null,
    da_external_number varchar(12) not null,
    da_external_number_on bool not null default true,
    constraint da_server_pk primary key (da_id)
);