module source.sql;

import singlog;
import std.conv;

import source.dblite;

int sqlAddNewTheme(string topic) {
    try {
        auto queryResult = dblite.sql(
            "insert into topics (name) values (?) returning id",
            topic
        );
        if (!queryResult.empty())
            return queryResult.front()["id"].to!int;
    } catch (Exception e) {
        log.e("Не удалось выполнить запрос к БД. " ~ e.msg);
    }

    return 0;
}

int sqlAddNewQuestion(int topic_id, int question_number, string question_text) {
    try {
        auto queryResult = dblite.sql(
            "insert into questions (topic_id, number, text) values (?, ?, ?) returning id",
            topic_id, question_number, question_text
        );
        if (!queryResult.empty())
            return queryResult.front()["id"].to!int;
    } catch (Exception e) {
        log.e("Не удалось выполнить запрос к БД. " ~ e.msg);
    }

    return 0;
}

int sqlAddNewAnswer(int question_id, int answer_number, string answer_text, int answer_truth) {
    try {
        auto queryResult = dblite.sql(
            "insert into answers (question_id, number, text, truth) values (?, ?, ?, ?) returning id",
            question_id, answer_number, answer_text, answer_truth
        );
        if (!queryResult.empty())
            return queryResult.front()["id"].to!int;
    } catch (Exception e) {
        log.e("Не удалось выполнить запрос к БД. " ~ e.msg);
    }

    return 0;
}