<?php
    /* stub version to start 

    function request_color()
    {
        ?>
        <p> called function request_color </p>
        <?php
    }

    end of stub version */
?>

<?php
    /*=====
        function: request_color
        purpose: expects no parameters, and tries to read
            the user's quest from the requesting
            form, and (safely) use that PLUS $_SESSION['name']
            to make a personalized, quest-including
            request for a favorite color

            *   ALSO saves that quest in $_SESSION for
                future-application use

        requires: build_mini_form.php

        by: Sharon Tuttle
        last modified: 2024-04-13
    =====*/

    function request_color()
    {
        // if get here, BETTER be a quest! complain and exit if not

        if ( (! array_key_exists("quest", $_POST))
             || (trim($_POST["quest"]) == ""))
        {
            complain_and_exit("quest");
        }

        // if get here, there's a quest! I decide just making
        //    any possibly-executable characters display-only
        //    should hopefully be safe-enough

        $user_quest = trim(htmlspecialchars($_POST["quest"]));

        // ...and save the entered quest for future states

        $_SESSION["quest"] = $user_quest;

        // also grab previously-entered user name

        $user_name = $_SESSION["name"];

        // craft personalized response including the quest
        //    and a request for a favorite color
        ?>
        <h2> AHA, <?= $user_name ?>, <br />
             your quest: <?= $user_quest ?> <br />
             is NOBLE, indeed! </h2>

        <h2> BUT - WHAT is your FAVORITE COLOR? </h2>
        <?php
        build_mini_form("color", "Submit it");
    }
?>