<?php
    /* stub version to start */
    /*=====
    function request_color()
    {
        ?>
        <p> called function request_color </p>
        <p> <a href="<?= htmlentities($_SERVER["PHP_SELF"],
                                       ENT_QUOTES) ?>">
            Continue </a> </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: 2026-04-22
    =====*/
    
    function request_color()
    {
        // if I get here, there better be quest! complain and exit
	//    if not

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

        // if get here, SHOULD be a quest...

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

        // grab the previously-saved user name

        $user_name = $_SESSION["name"];

        // craft a personalized response including the quest
	//    and requesting their 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");
    }
?>