<?php 

/**
 * Index from the help,
 * Just show the different classname, difficulties and the size of the game.
 */
function index() {
    global $renderer;
    global $controlrow;
    $renderer->prepare("class1name", $controlrow["class1name"]);
    $renderer->prepare("class2name", $controlrow["class2name"]);
    $renderer->prepare("class3name", $controlrow["class3name"]);
    $renderer->prepare("diff1name", $controlrow["diff1name"]);
    $renderer->prepare("diff2name", $controlrow["diff2name"]);
    $renderer->prepare("diff3name", $controlrow["diff3name"]);
    $renderer->prepare("diff1mod", $controlrow["diff1mod"]);
    $renderer->prepare("diff2mod", $controlrow["diff2mod"]);
    $renderer->prepare("diff3mod", $controlrow["diff3mod"]);
    $renderer->prepare("gamesize", $controlrow["gamesize"]);
    $renderer->display("help");
}

/**
 * List all items for the help
 */
function items() {
    global $renderer;
    $itemsquery = doquery("SELECT * FROM {{table}} ORDER BY id", "items");
    $items = [];

    while ($itemsrow = mysqli_fetch_array($itemsquery)) {

        switch ($itemsrow["type"]) {
            case "1":
                $image = "weapon";
                $power = "Attack";
                break;
            case "2":
                $image = "armor";
                $power = "Defense";
                break;
            default:
                $image = "shield";
                $power = "Defense";
                break;
        }

        if ($itemsrow["special"] != "X") {
            $specialArray = explode(",", $itemsrow["special"]);
            $attr = match ($specialArray[0]) {
                "maxhp" => "Max HP",
                "maxmp" => "Max MP",
                "maxtp" => "Max TP",
                "goldbonus" => "Gold Bonus (%)",
                "expbonus" => "Experience Bonus (%)",
                "strength" => "Strength",
                "dexterity" => "Dexterity",
                "attackpower" => "Attack Power",
                "defensepower" => "Defense Power",
                default => $specialArray[0],
            };

            $stat = ($specialArray[1] > 0) ? '+' . $specialArray[1] : $specialArray[1];
            $specialEffect = "$attr $stat";
        } else {
            $specialEffect = "<span class=\"light\">None</span>";
        }

        $items[] = [
            'image' => $image,
            'name' => $itemsrow["name"],
            'buycost' => $itemsrow["buycost"],
            'attribute' => $itemsrow["attribute"],
            'power' => $power,
            'specialEffect' => $specialEffect,
        ];
    }

    $renderer->prepare('items', $items);
    $renderer->display("help_items");
}

/**
 * List all levels for the help
 */
function levels() {
    global $renderer;
    global $controlrow;

    $classes = ['class1', 'class2', 'class3'];
    $spellsquery = doquery("SELECT * FROM {{table}} ORDER BY id", "spells");

    $levelsData = [];
    $spells = [];

    while ($spellsrow = mysqli_fetch_array($spellsquery)) {
        $spells[$spellsrow["id"]] = $spellsrow;
    }

    //FIXME: Will be improved when classes will have their own table
    foreach ($classes as $index => $class) {
        $classIndex = $index + 1;
        $levelquery = doquery("SELECT id,{$classIndex}_exp,{$classIndex}_hp,{$classIndex}_mp,{$classIndex}_tp,{$classIndex}_strength,{$classIndex}_dexterity,{$classIndex}_spells FROM {{table}} ORDER BY id", "levels");
        
        $levels = [];

        while ($levelsrow = mysqli_fetch_array($levelquery)) {
            $spell = ($levelsrow["{$classIndex}_spells"] != 0) ? $spells[$levelsrow["{$classIndex}_spells"]]["name"] : "<span class=\"light\">None</span>";

            if ($levelsrow["id"] < 100) {
                $levels[] = [
                    'id' => $levelsrow["id"],
                    'exp' => number_format($levelsrow["{$classIndex}_exp"]),
                    'hp' => $levelsrow["{$classIndex}_hp"],
                    'mp' => $levelsrow["{$classIndex}_mp"],
                    'tp' => $levelsrow["{$classIndex}_tp"],
                    'strength' => $levelsrow["{$classIndex}_strength"],
                    'dexterity' => $levelsrow["{$classIndex}_dexterity"],
                    'spell' => $spell,
                ];
            }
        }

        $levelsData[$class] = [
            'name' => $controlrow["{$class}name"],
            'levels' => $levels,
        ];
    }

    $renderer->prepare('levelsData', $levelsData);
    $renderer->display("help_levels");
}

/**
 * List all monsters for the help
 */
function monsters() {
    global $renderer;

    $monstersquery = doquery("SELECT * FROM {{table}} ORDER BY id", "monsters");
    $monsters = [];
    while ($monstersrow = mysqli_fetch_array($monstersquery)) {
        if ($monstersrow["immune"] == 0) {
            $immune = "<span class=\"light\">None</span>";
        } elseif ($monstersrow["immune"] == 1) {
            $immune = "Hurt";
        } else {
            $immune = "Hurt & Sleep";
        }
    
        $monsters[] = [
            'name' => $monstersrow["name"],
            'maxhp' => $monstersrow["maxhp"],
            'maxdam' => $monstersrow["maxdam"],
            'armor' => $monstersrow["armor"],
            'level' => $monstersrow["level"],
            'maxexp' => $monstersrow["maxexp"],
            'maxgold' => $monstersrow["maxgold"],
            'immune' => $immune,
        ];
    }
    
    $renderer->prepare('monsters', $monsters);
    $renderer->display("help_monsters");
}

/**
 * List all spells for the help
 */
function spells() {
    global $renderer;

    $spellsquery = doquery("SELECT * FROM {{table}} ORDER BY id", "spells");
    $spells = [];
    
    while ($spellrow = mysqli_fetch_array($spellsquery)) {
        $type = match ($spellrow["type"]) {
            "1" => "Heal",
            "2" => "Hurt",
            "3" => "Sleep",
            "4" => "+Damage (%)",
            "5" => "+Defense (%)",
            default => "Unknown",
        };
    
        $spells[] = [
            'color' => $color,
            'name' => $spellrow["name"],
            'cost' => $spellrow["mp"],
            'type' => $type,
            'attribute' => $spellrow["attribute"],
        ];
    }
    
    $renderer->prepare('spells', $spells);
    $renderer->display("help_spells");
}