<?php
declare(strict_types=1);

use Modules\MiningChecker\Infrastructure\ConnectionFactory;
use Modules\MiningChecker\Infrastructure\MiningRepository;
use Modules\MiningChecker\Infrastructure\ModuleConfig;
use Modules\MiningChecker\Infrastructure\SchemaManager;

spl_autoload_register(static function (string $class): void {
    $prefix = 'Modules\\MiningChecker\\';
    if (!str_starts_with($class, $prefix)) {
        return;
    }

    $relativeClass = substr($class, strlen($prefix));
    $file = __DIR__ . '/src/' . str_replace('\\', '/', $relativeClass) . '.php';

    if (is_file($file)) {
        require_once $file;
    }
});

$mm = isset($modules) && $modules instanceof App\ModuleManager ? $modules : modules();
$moduleName = 'mining-checker';

$mm->registerFunction($moduleName, 'runtime_settings', static function (): array {
    $moduleBasePath = __DIR__;
    $config = ModuleConfig::load($moduleBasePath);
    $projectKey = $config->defaultProjectKey();
    $user = auth_user() ?? [];
    $ownerSub = trim((string) ($user['sub'] ?? '')) !== '' ? trim((string) ($user['sub'] ?? '')) : 'local';

    $pdo = ConnectionFactory::make($config);
    $repository = new MiningRepository($pdo, $config->tablePrefix(), null, $ownerSub);

    $settings = $repository->getSettings($projectKey) ?? [];
    $displayTimezone = trim((string) ($settings['display_timezone'] ?? 'Europe/Berlin'));
    if ($displayTimezone === '') {
        $displayTimezone = 'Europe/Berlin';
    }

    $baselineMeasuredAt = trim((string) ($settings['baseline_measured_at'] ?? ''));
    if ($baselineMeasuredAt !== '') {
        try {
            $baselineMeasuredAt = (new DateTimeImmutable($baselineMeasuredAt, new DateTimeZone('UTC')))
                ->setTimezone(new DateTimeZone($displayTimezone))
                ->format('Y-m-d\TH:i');
        } catch (\Throwable) {
            $baselineMeasuredAt = '';
        }
    }

    $preferredCurrencies = $settings['preferred_currencies'] ?? ['DOGE', 'USD', 'EUR'];
    if (is_string($preferredCurrencies)) {
        $preferredCurrencies = preg_split('/[\s,;]+/', $preferredCurrencies) ?: [];
    }
    $preferredCurrencies = array_values(array_filter(array_map(
        static fn (mixed $value): string => strtoupper(trim((string) $value)),
        is_array($preferredCurrencies) ? $preferredCurrencies : []
    ), static fn (string $value): bool => $value !== ''));

    return [
        'baseline_measured_at' => $baselineMeasuredAt,
        'baseline_coins_total' => isset($settings['baseline_coins_total']) ? (string) $settings['baseline_coins_total'] : '',
        'daily_cost_amount' => isset($settings['daily_cost_amount']) ? (string) $settings['daily_cost_amount'] : '',
        'daily_cost_currency' => strtoupper(trim((string) ($settings['daily_cost_currency'] ?? 'EUR'))) ?: 'EUR',
        'report_currency' => strtoupper(trim((string) ($settings['report_currency'] ?? 'EUR'))) ?: 'EUR',
        'crypto_currency' => strtoupper(trim((string) ($settings['crypto_currency'] ?? 'DOGE'))) ?: 'DOGE',
        'display_timezone' => $displayTimezone,
        'preferred_currencies' => $preferredCurrencies,
    ];
});

$mm->registerFunction($moduleName, 'save_runtime_settings', static function (array $payload): array {
    $moduleBasePath = __DIR__;
    $config = ModuleConfig::load($moduleBasePath);
    $projectKey = $config->defaultProjectKey();
    $user = auth_user() ?? [];
    $ownerSub = trim((string) ($user['sub'] ?? '')) !== '' ? trim((string) ($user['sub'] ?? '')) : 'local';

    $pdo = ConnectionFactory::make($config);
    $schema = new SchemaManager($pdo, $config->tablePrefix(), $moduleBasePath);
    $schema->ensureSchema();

    $repository = new MiningRepository($pdo, $config->tablePrefix(), null, $ownerSub);
    $repository->ensureProject($projectKey, strtoupper(str_replace('-', ' ', $projectKey)));

    $existing = $repository->getSettings($projectKey) ?? [];
    $displayTimezone = trim((string) ($payload['display_timezone'] ?? ($existing['display_timezone'] ?? 'Europe/Berlin')));
    if ($displayTimezone === '') {
        $displayTimezone = 'Europe/Berlin';
    }

    try {
        $displayTz = new DateTimeZone($displayTimezone);
    } catch (\Throwable) {
        throw new RuntimeException('Ungueltige Anzeige-Zeitzone.');
    }

    $baselineInput = trim((string) ($payload['baseline_measured_at'] ?? ($existing['baseline_measured_at'] ?? '')));
    if ($baselineInput === '') {
        throw new RuntimeException('Baseline Zeitpunkt fehlt.');
    }

    try {
        $baselineUtc = (new DateTimeImmutable($baselineInput, $displayTz))
            ->setTimezone(new DateTimeZone('UTC'))
            ->format('Y-m-d H:i:s');
    } catch (\Throwable) {
        throw new RuntimeException('Baseline Zeitpunkt ist ungueltig.');
    }

    $baselineCoins = trim((string) ($payload['baseline_coins_total'] ?? ($existing['baseline_coins_total'] ?? '')));
    $dailyCostAmount = trim((string) ($payload['daily_cost_amount'] ?? ($existing['daily_cost_amount'] ?? '')));
    if ($baselineCoins === '' || !is_numeric($baselineCoins)) {
        throw new RuntimeException('Baseline Coins muessen numerisch sein.');
    }
    if ($dailyCostAmount === '' || !is_numeric($dailyCostAmount)) {
        throw new RuntimeException('Taegliche Kosten muessen numerisch sein.');
    }

    $preferredCurrencies = $payload['preferred_currencies'] ?? ($existing['preferred_currencies'] ?? ['DOGE', 'USD', 'EUR']);
    if (is_string($preferredCurrencies)) {
        $preferredCurrencies = preg_split('/[\s,;]+/', $preferredCurrencies) ?: [];
    }
    $preferredCurrencies = array_values(array_unique(array_filter(array_map(
        static fn (mixed $value): string => strtoupper(trim((string) $value)),
        is_array($preferredCurrencies) ? $preferredCurrencies : []
    ), static fn (string $value): bool => $value !== '')));

    $settings = [
        'baseline_measured_at' => $baselineUtc,
        'baseline_coins_total' => (float) $baselineCoins,
        'daily_cost_amount' => (float) $dailyCostAmount,
        'daily_cost_currency' => strtoupper(trim((string) ($payload['daily_cost_currency'] ?? ($existing['daily_cost_currency'] ?? 'EUR')))) ?: 'EUR',
        'report_currency' => strtoupper(trim((string) ($payload['report_currency'] ?? ($existing['report_currency'] ?? 'EUR')))) ?: 'EUR',
        'crypto_currency' => strtoupper(trim((string) ($payload['crypto_currency'] ?? ($existing['crypto_currency'] ?? 'DOGE')))) ?: 'DOGE',
        'display_timezone' => $displayTimezone,
        'fx_max_age_hours' => isset($existing['fx_max_age_hours']) && is_numeric((string) $existing['fx_max_age_hours'])
            ? (int) $existing['fx_max_age_hours']
            : 3,
        'module_theme_mode' => in_array((string) ($existing['module_theme_mode'] ?? 'inherit'), ['inherit', 'custom'], true)
            ? (string) $existing['module_theme_mode']
            : 'inherit',
        'module_theme_accent' => in_array((string) ($existing['module_theme_accent'] ?? 'teal'), ['teal', 'logo', 'pink', 'cyan', 'orange', 'green'], true)
            ? (string) $existing['module_theme_accent']
            : 'teal',
        'preferred_currencies' => $preferredCurrencies,
    ];

    $repository->saveSettings($projectKey, $settings);

    if (modules()->isEnabled('fx-rates') && modules()->hasFunction('fx-rates', 'save_runtime_settings')) {
        module_fn('fx-rates', 'save_runtime_settings', [
            'preferred_currencies' => $preferredCurrencies,
        ]);
    }

    return module_fn($moduleName, 'runtime_settings');
});

$mm->registerFunction('mining-checker', 'sql_import_target', static function (): array {
    $moduleBasePath = __DIR__;
    $config = ModuleConfig::load($moduleBasePath);

    return [
        'pdo' => ConnectionFactory::make($config),
        'label' => 'Mining-Checker Projekt-Datenbank',
    ];
});