from .tool.func import *

def edit_revert_2(conn, name):
    curs = conn.cursor()

    num = int(number_check(flask.request.args.get('num', '1')))

    curs.execute(db_change("select title from history where title = ? and id = ? and hide = 'O'"), [name, str(num)])
    if curs.fetchall() and admin_check(6) != 1:
        return re_error('/error/3')

    if acl_check(name) == 1:
        return re_error('/ban')

    if flask.request.method == 'POST':
        if captcha_post(flask.request.form.get('g-recaptcha-response', flask.request.form.get('g-recaptcha', ''))) == 1:
            return re_error('/error/13')
        else:
            captcha_post('', 0)

        if slow_edit_check() == 1:
            return re_error('/error/24')

        curs.execute(db_change("select data from history where title = ? and id = ?"), [name, str(num)])
        data = curs.fetchall()
        if data:
            if edit_filter_do(data[0][0]) == 1:
                return re_error('/error/21')

        curs.execute(db_change("delete from back where link = ?"), [name])
        conn.commit()

        if data:
            curs.execute(db_change("select data from data where title = ?"), [name])
            data_old = curs.fetchall()
            if data_old:
                leng = leng_check(len(data_old[0][0]), len(data[0][0]))
                curs.execute(db_change("update data set data = ? where title = ?"), [data[0][0], name])
            else:
                leng = '+' + str(len(data[0][0]))
                curs.execute(db_change("insert into data (title, data) values (?, ?)"), [name, data[0][0]])

            history_plus(
                name,
                data[0][0],
                get_time(),
                ip_check(),
                flask.request.form.get('send', ''),
                leng,
                t_check = 'r' + str(num),
                mode = 'revert'
            )

            render_set(
                doc_name = name,
                doc_data = data[0][0],
                data_type = 'backlink'
            )

            conn.commit()

        return redirect('/w/' + url_pas(name))
    else:
        curs.execute(db_change("select title from history where title = ? and id = ?"), [name, str(num)])
        if not curs.fetchall():
            return redirect('/w/' + url_pas(name))

        return easy_minify(flask.render_template(skin_check(),
            imp = [name, wiki_set(), custom(), other2(['(' + load_lang('revert') + ')', 0])],
            data =  '''
                    <form method="post">
                        <span>r''' + flask.request.args.get('num', '0') + '''</span>
                        <hr class=\"main_hr\">
                        ''' + ip_warring() + '''
                        <input placeholder="''' + load_lang('why') + '''" name="send" type="text">
                        <hr class=\"main_hr\">
                        ''' + captcha_get() + '''
                        <button type="submit">''' + load_lang('revert') + '''</button>
                    </form>
                    ''',
            menu = [['history/' + url_pas(name), load_lang('history')], ['recent_changes', load_lang('recent_change')]]
        ))