<?php

declare(strict_types=1);

require_once dirname(__DIR__, 3) . '/src/App/bootstrap.php';
require_once dirname(__DIR__) . '/bootstrap.php';

use ModulesCore\ModuleHttp;

session_start();

$projectRoot = dirname(__DIR__, 3);
ModuleHttp::requireDesktopAccess($projectRoot);
$isPartial = !empty($_GET['partial']);

$view = trim((string) ($_GET['view'] ?? 'overview'));
$allowedViews = ['overview', 'depotverwaltung', 'aktienverwaltung', 'setup'];
if (!in_array($view, $allowedViews, true)) {
    $view = 'overview';
}

$viewMeta = [
    'overview' => [
        'label' => 'Ueberblick',
        'title' => 'Depot-Ueberblick',
        'description' => 'Kennzahlen, Kursverlauf und Performance fuer das ausgewaehlte Depot.',
        'nav_description' => 'Marktueberblick, Positionen und gespeicherte Kurse.',
    ],
    'depotverwaltung' => [
        'label' => 'Depotverwaltung',
        'title' => 'Depotverwaltung',
        'description' => 'Depots, Positionen und manuelle Kursdaten zentral verwalten.',
        'nav_description' => 'Depots pflegen, FX abrufen und Positionen bearbeiten.',
    ],
    'aktienverwaltung' => [
        'label' => 'Aktienverwaltung',
        'title' => 'Aktienverwaltung',
        'description' => 'Wertpapier-Stammdaten, Suche und Kursverlauf pro Aktie pflegen.',
        'nav_description' => 'Ticker, ISIN, Markt und Kursverlauf pro Instrument.',
    ],
    'setup' => [
        'label' => 'Setup',
        'title' => 'Setup',
        'description' => 'API-Zugaenge, Datenbankoptionen und Modulvorgaben verwalten.',
        'nav_description' => 'Schluessel, Timeouts und Modulkonfiguration speichern.',
    ],
];

$assetVersion = static function (string $relativePath): string {
    $fullPath = dirname(__DIR__) . '/' . ltrim($relativePath, '/');
    $mtime = is_file($fullPath) ? filemtime($fullPath) : false;

    return $mtime === false ? '0' : (string) $mtime;
};

$renderSetup = static function (): void {
    $moduleName = 'boersenchecker';
    $manifestPath = dirname(__DIR__) . '/module.json';
    $manifestRaw = is_file($manifestPath) ? file_get_contents($manifestPath) : false;
    $manifest = is_string($manifestRaw) && trim($manifestRaw) !== '' ? json_decode($manifestRaw, true) : [];
    $fields = is_array($manifest['setup']['fields'] ?? null) ? $manifest['setup']['fields'] : [];
    $settings = modules()->settings($moduleName);
    $notice = null;
    $error = null;

    $getValue = static function (array $source, string $path): mixed {
        $value = $source;
        foreach (explode('.', $path) as $segment) {
            if (!is_array($value) || !array_key_exists($segment, $value)) {
                return null;
            }
            $value = $value[$segment];
        }

        return $value;
    };

    $setValue = static function (array &$target, string $path, mixed $value): void {
        $segments = explode('.', $path);
        $cursor = &$target;
        foreach ($segments as $index => $segment) {
            if ($index === count($segments) - 1) {
                $cursor[$segment] = $value;
                return;
            }
            if (!isset($cursor[$segment]) || !is_array($cursor[$segment])) {
                $cursor[$segment] = [];
            }
            $cursor = &$cursor[$segment];
        }
    };

    if ($_SERVER['REQUEST_METHOD'] === 'POST' && (string) ($_POST['action'] ?? '') === 'save_setup') {
        try {
            $nextSettings = $settings;
            foreach ($fields as $field) {
                if (!is_array($field)) {
                    continue;
                }
                $name = trim((string) ($field['name'] ?? ''));
                $type = trim((string) ($field['type'] ?? 'text'));
                if ($name === '') {
                    continue;
                }
                $raw = $_POST['settings'][$name] ?? null;
                $value = match ($type) {
                    'checkbox' => $raw !== null,
                    'number' => ($raw === null || $raw === '') ? null : (is_numeric((string) $raw) ? 0 + $raw : null),
                    default => is_string($raw) ? trim($raw) : '',
                };
                $setValue($nextSettings, $name, $value);
            }
            modules()->saveSettings($moduleName, $nextSettings);
            $settings = modules()->settings($moduleName);
            $notice = 'Setup gespeichert.';
        } catch (\Throwable $e) {
            $error = $e->getMessage();
        }
    }

    ?>
    <div class="bc-page">
        <?php if ($error): ?>
            <section class="section-box"><div class="bc-alert bc-alert--error"><?= e($error) ?></div></section>
        <?php elseif ($notice): ?>
            <section class="section-box"><div class="bc-alert bc-alert--success"><?= e($notice) ?></div></section>
        <?php endif; ?>

        <section class="section-box">
            <div class="bc-section-head">
                <div>
                    <h2 class="bc-section-title">Modul-Setup</h2>
                    <p>Die Felder entsprechen dem alten Nexus-Modul und werden lokal in `data/module-settings/boersenchecker.json` gespeichert.</p>
                </div>
            </div>
            <form method="post" style="margin-top:16px; display:grid; gap:12px;">
                <input type="hidden" name="action" value="save_setup">
                <div class="grid" style="grid-template-columns:repeat(auto-fit, minmax(260px, 1fr)); gap:12px;">
                    <?php foreach ($fields as $field): ?>
                        <?php
                        if (!is_array($field)) {
                            continue;
                        }
                        $name = trim((string) ($field['name'] ?? ''));
                        $label = trim((string) ($field['label'] ?? $name));
                        $type = trim((string) ($field['type'] ?? 'text'));
                        $help = trim((string) ($field['help'] ?? ''));
                        $value = $getValue($settings, $name);
                        ?>
                        <label class="setup-field muted">
                            <span><?= e($label) ?></span>
                            <?php if ($type === 'checkbox'): ?>
                                <input type="checkbox" name="settings[<?= e($name) ?>]" value="1" <?= !empty($value) ? 'checked' : '' ?>>
                            <?php elseif ($type === 'password'): ?>
                                <input type="password" name="settings[<?= e($name) ?>]" value="<?= e(is_scalar($value) ? (string) $value : '') ?>">
                            <?php elseif ($type === 'number'): ?>
                                <input type="number" step="any" name="settings[<?= e($name) ?>]" value="<?= e(is_scalar($value) ? (string) $value : '') ?>">
                            <?php else: ?>
                                <input type="text" name="settings[<?= e($name) ?>]" value="<?= e(is_scalar($value) ? (string) $value : '') ?>">
                            <?php endif; ?>
                            <?php if ($help !== ''): ?>
                                <small class="bc-text"><?= e($help) ?></small>
                            <?php endif; ?>
                        </label>
                    <?php endforeach; ?>
                </div>
                <div class="bc-actions">
                    <button class="bc-button bc-button--primary" type="submit">Setup speichern</button>
                </div>
            </form>
        </section>
    </div>
    <?php
};

$renderContent = static function () use ($view, $renderSetup, $viewMeta): void {
    $currentViewMeta = $viewMeta[$view] ?? $viewMeta['overview'];
    $navItems = [
        'overview' => '/apps/boersenchecker/index.php?view=overview',
        'depotverwaltung' => '/apps/boersenchecker/index.php?view=depotverwaltung',
        'aktienverwaltung' => '/apps/boersenchecker/index.php?view=aktienverwaltung',
        'setup' => '/apps/boersenchecker/index.php?view=setup',
    ];

    ob_start();
    if ($view === 'setup') {
        $renderSetup();
    } elseif ($view === 'depotverwaltung') {
        $page = new \Modules\Boersenchecker\Support\DashboardPage();
        module_tpl('boersenchecker', 'dashboard', $page->handle());
    } elseif ($view === 'aktienverwaltung') {
        $page = new \Modules\Boersenchecker\Support\InstrumentPage();
        module_tpl('boersenchecker', 'instruments', $page->handle());
    } else {
        $page = new \Modules\Boersenchecker\Support\HomePage();
        module_tpl('boersenchecker', 'home', $page->handle());
    }
    $innerContent = (string) ob_get_clean();
    ?>
    <div class="boersenchecker-module-shell window-app-shell">
        <div class="window-app-frame bc-frame">
            <aside class="window-app-sidebar bc-sidebar">
                <div class="window-app-brand bc-brand">
                    <p class="window-app-kicker bc-kicker">Modul</p>
                    <h1>Boersenchecker</h1>
                    <p class="window-app-copy">Depotverwaltung fuer Aktien, Kaufdaten, Kursverlauf und Waehrungsumrechnung im Desktop-Standardlayout.</p>
                </div>
                <div class="window-app-nav-list bc-nav-list">
                    <?php foreach ($navItems as $navView => $href): ?>
                        <?php $meta = $viewMeta[$navView] ?? null; ?>
                        <?php if (!$meta): continue; endif; ?>
                        <a
                            class="window-app-nav-button bc-nav-button<?= $view === $navView ? ' is-active' : '' ?>"
                            href="<?= e($href) ?>"
                        >
                            <strong><?= e((string) $meta['label']) ?></strong>
                            <span class="window-app-meta"><?= e((string) $meta['nav_description']) ?></span>
                        </a>
                    <?php endforeach; ?>
                </div>
            </aside>
            <main class="window-app-main bc-main">
                <div class="window-app-panel bc-panel-shell">
                    <section class="window-app-hero bc-hero">
                        <div>
                            <p class="window-app-kicker bc-kicker">Boersenchecker</p>
                            <h2 class="window-app-title bc-title"><?= e((string) $currentViewMeta['title']) ?></h2>
                            <p class="window-app-copy"><?= e((string) $currentViewMeta['description']) ?></p>
                        </div>
                        <div class="window-app-pill-row bc-pill-row">
                            <span class="window-app-pill bc-pill">Desktop-App</span>
                            <span class="window-app-pill bc-pill">Legacy-Migration</span>
                            <span class="window-app-pill bc-pill">View: <?= e((string) $currentViewMeta['label']) ?></span>
                        </div>
                    </section>
                    <?= $innerContent ?>
                </div>
            </main>
        </div>
    </div>
    <?php
};

ob_start();
$renderContent();
$pageContent = (string) ob_get_clean();

if ($isPartial) {
    echo $pageContent;
    return;
}
?><!DOCTYPE html>
<html lang="de">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Börsenchecker</title>
    <style>
        :root {
            color-scheme: light;
            --surface: rgba(255, 255, 255, 0.92);
            --line: rgba(148, 163, 184, 0.24);
            --text: #0f172a;
            --muted: #475569;
            --brand-accent: #14b8a6;
            --brand-accent-2: #0f766e;
            --brand-accent-3: #0f766e;
            font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
        }

        * { box-sizing: border-box; }
        html, body { min-height: 100%; }
        body {
            margin: 0;
            background:
                radial-gradient(circle at top left, rgba(45, 212, 191, 0.12), transparent 24%),
                linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
            color: var(--text);
        }
        .boersenchecker-module-shell {
            min-height: 100vh;
            padding: 18px;
        }
        .section-box,
        .submenu-box,
        .card-box {
            border: 1px solid rgba(148, 163, 184, 0.22);
            border-radius: 28px;
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
            padding: 22px 24px;
        }
        .module-page-stack {
            display: grid;
            gap: 18px;
        }
        .module-hero-copy { margin-bottom: 16px; }
        .module-title { margin: 0; font-size: 2.4rem; line-height: 1.05; }
        .module-lead { margin: 12px 0 0; color: var(--muted); line-height: 1.6; }
        .eyebrow {
            margin: 0 0 12px;
            color: #4338ca;
            text-transform: uppercase;
            letter-spacing: 0.18em;
            font-size: 12px;
            font-weight: 700;
        }
        .module-hero-top--compact,
        .module-tabs,
        .module-hero-actions { display:flex; flex-wrap:wrap; gap:10px; align-items:center; }
        .module-hero-top--compact { justify-content:space-between; gap:16px; }
        .module-button {
            display:inline-flex;
            align-items:center;
            justify-content:center;
            min-height:44px;
            padding:10px 16px;
            border-radius:999px;
            text-decoration:none;
            border:1px solid rgba(148, 163, 184, 0.28);
            color:#0f172a;
            background:#ffffff;
            font-weight:700;
        }
        .module-button--tab-active,
        .module-button--primary {
            color:#ffffff;
            border-color:transparent;
            background:linear-gradient(135deg, var(--brand-accent), var(--brand-accent-3));
        }
        .module-button--secondary,
        .module-button--tab {
            background: rgba(255, 255, 255, 0.94);
        }
        .module-button--small { min-height:40px; padding:8px 14px; }
        .setup-field { display:grid; gap:8px; }
        .setup-field input, .setup-field select, .setup-field textarea {
            width: 100%;
            min-height: 46px;
            padding: 10px 12px;
            border: 1px solid rgba(148, 163, 184, 0.4);
            border-radius: 14px;
            font: inherit;
            background: #ffffff;
            color: #0f172a;
        }
        .setup-field textarea { min-height: 100px; }
        .grid { display:grid; }
    </style>
    <link rel="stylesheet" href="/assets/desktop/desktop.css">
    <link rel="stylesheet" href="/module-assets/index.php?module=boersenchecker&amp;path=assets/boersenchecker.css&amp;v=<?= htmlspecialchars($assetVersion('assets/boersenchecker.css'), ENT_QUOTES) ?>">
</head>
<body>
    <?= $pageContent ?>

    <script src="/module-assets/index.php?module=boersenchecker&amp;path=assets/boersenchecker.js&amp;v=<?= htmlspecialchars($assetVersion('assets/boersenchecker.js'), ENT_QUOTES) ?>"></script>
</body>
</html>