/*
 * account.cpp -- account management
 *
 * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <boost/dll.hpp>

#include <vector>

#include <malikania/account.hpp>

#include "driver.hpp"

using namespace malikania;

namespace {

const std::string create_query(
    "insert into mk_account("
    "  ac_name, ac_email, ac_firstname, ac_lastname, ac_password"
    ") values (?, ?, ?, ?, ?)"
);

const std::string update_query(
    "update mk_account set"
    "  ac_name = ?, "           // 0
    "  ac_email = ?, "          // 1
    "  ac_firstname = ?, "      // 2
    "  ac_lastname = ?, "       // 3
    "  ac_password = ? "        // 4
    "where ac_id = ?"           // 5
);

const std::string delete_query(
    "delete from mk_account where ac_id = ?"
);

const std::string get_query(
    "select ac_id, ac_name, ac_email, ac_firstname, ac_lastname, ac_password "
    "from mk_account "
    "where ac_id = ?"
);

const std::string list_query(
    "select ac_id, ac_name, ac_email, ac_firstname, ac_lastname, ac_password "
    "from mk_account"
);

const std::string clear_query(
    "delete from mk_account"
);

const std::string count_query(
    "select count(*) from mk_account"
);

Account to_account(sqlite::statement& stmt)
{
    Account ac;

    ac.setId(sqlite3_column_int64(stmt.get(), 0));
    ac.setName(reinterpret_cast<const char *>(sqlite3_column_text(stmt.get(), 1)));
    ac.setEmail(reinterpret_cast<const char *>(sqlite3_column_text(stmt.get(), 2)));
    ac.setFirstName(reinterpret_cast<const char *>(sqlite3_column_text(stmt.get(), 3)));
    ac.setLastName(reinterpret_cast<const char *>(sqlite3_column_text(stmt.get(), 4)));
    ac.setPassword(reinterpret_cast<const char *>(sqlite3_column_text(stmt.get(), 5)));

    return ac;
}

} // !namespace

#include <iostream>

extern "C" {

BOOST_SYMBOL_EXPORT void malikania_account_create(Account& account)
{
    auto stmt = sqlite::prepare(create_query);

    sqlite3_bind_text(stmt.get(), 1, account.name().c_str(), -1, nullptr);
    sqlite3_bind_text(stmt.get(), 2, account.email().c_str(), -1, nullptr);
    sqlite3_bind_text(stmt.get(), 3, account.firstName().c_str(), -1, nullptr);
    sqlite3_bind_text(stmt.get(), 4, account.lastName().c_str(), -1, nullptr);
    sqlite3_bind_text(stmt.get(), 5, account.password().c_str(), -1, nullptr);

    if (sqlite3_step(stmt.get()) != SQLITE_DONE) {
        throw std::runtime_error(sqlite3_errmsg(sqlite::database.get()));
    }

    account.setId(sqlite3_last_insert_rowid(sqlite::database.get()));
}

BOOST_SYMBOL_EXPORT void malikania_account_update(Account& account)
{
    auto stmt = sqlite::prepare(update_query);

    sqlite3_bind_text(stmt.get(), 1, account.name().c_str(), -1, nullptr);
    sqlite3_bind_text(stmt.get(), 2, account.email().c_str(), -1, nullptr);
    sqlite3_bind_text(stmt.get(), 3, account.firstName().c_str(), -1, nullptr);
    sqlite3_bind_text(stmt.get(), 4, account.lastName().c_str(), -1, nullptr);
    sqlite3_bind_text(stmt.get(), 5, account.password().c_str(), -1, nullptr);
    sqlite3_bind_int64(stmt.get(), 6, account.id());

    if (sqlite3_step(stmt.get()) != SQLITE_DONE) {
        throw std::runtime_error(sqlite3_errmsg(sqlite::database.get()));
    }
}

BOOST_SYMBOL_EXPORT void malikania_account_remove(const Account& account)
{
    auto stmt = sqlite::prepare(delete_query);

    sqlite3_bind_int64(stmt.get(), 1, account.id());

    if (sqlite3_step(stmt.get()) != SQLITE_OK) {
        throw std::runtime_error(sqlite3_errmsg(sqlite::database.get()));
    }
}

BOOST_SYMBOL_EXPORT Account malikania_account_get(std::uint64_t id)
{
    auto stmt = sqlite::prepare(get_query);

    sqlite3_bind_int64(stmt.get(), 1, id);

    if (sqlite3_step(stmt.get()) != SQLITE_ROW) {
        throw std::runtime_error(sqlite3_errmsg(sqlite::database.get()));
    }

    return to_account(stmt);
}

BOOST_SYMBOL_EXPORT std::vector<Account> malikania_account_list()
{
    auto stmt = sqlite::prepare(list_query);

    std::vector<Account> list;

    while (sqlite3_step(stmt.get()) == SQLITE_ROW) {
        list.push_back(to_account(stmt));
    }

    return list;
}

BOOST_SYMBOL_EXPORT void malikania_account_clear()
{
    if (sqlite3_exec(sqlite::database.get(), clear_query.c_str(), nullptr, nullptr, nullptr) != SQLITE_OK) {
        throw std::runtime_error(sqlite3_errmsg(sqlite::database.get()));
    }
}

BOOST_SYMBOL_EXPORT std::uint64_t malikania_account_count()
{
    auto stmt = sqlite::prepare(count_query);

    if (sqlite3_step(stmt.get()) != SQLITE_ROW) {
        throw std::runtime_error(sqlite3_errmsg(sqlite::database.get()));
    }

    return sqlite3_column_int64(stmt.get(), 0);
}

} // !C