<?php

namespace App\Livewire\Ui\System\Modal;

use Livewire\Attributes\On;
use LivewireUI\Modal\ModalComponent;
use Illuminate\Support\Str;

class UpdateModal extends ModalComponent
{
    public string  $state = 'unknown';   // running|done|unknown
    public ?int    $rc    = null;        // exit code
    public ?string $line  = null;        // letzte Logzeile hübsch
    public array   $tail  = [];          // letzte N Logzeilen roh
    public int     $percent = 0;         // heuristisch (optional)
    public static bool    $closingAllowed = false;

    private const LOG = '/var/log/mailwolt-update.log';
    private const STATE_DIR = '/var/lib/mailwolt/update';

    public function mount(): void
    {
        $this->refresh();
    }

    public function render()
    {
        return view('livewire.ui.system.modal.update-modal');
    }

    #[On('update:modal-refresh')]
    public function refresh(): void
    {
        $st = @trim(@file_get_contents(self::STATE_DIR.'/state') ?: '');
        $rcRaw = @trim(@file_get_contents(self::STATE_DIR.'/rc') ?: '');

        $this->state = $st ?: 'unknown';
        $this->rc = is_numeric($rcRaw) ? (int)$rcRaw : null;

        // Log einlesen
        $lines = @file(self::LOG, FILE_IGNORE_NEW_LINES) ?: [];
        $this->tail = array_slice($lines, -30);

        $last = trim($this->tail ? end($this->tail) : '');
        $last = preg_replace('/^\[\w\]\s*/', '', $last);
        $last = preg_replace('/^=+ .*? =+\s*$/', 'Update beendet', $last);
        $last = preg_replace('/^\d{4}-\d{2}-\d{2}T[^ ]+\s*::\s*/', '', $last);
        $this->line = Str::limit($last, 160);

        // ganz simple Fortschritts-Heuristik über bekannte Meilensteine
        $text = implode("\n", $this->tail);
        $pct = 5;
        foreach ([
                     'Update gestartet' => 10,
                     'Composer'         => 25,
                     'npm ci'           => 40,
                     'npm run build'    => 60,
                     'migrate'          => 75,
                     'optimize'         => 85,
                     'Version aktualisiert' => 95,
                     'Update beendet'   => 100,
                 ] as $needle => $val) {
            if (stripos($text, $needle) !== false) { $pct = max($pct, $val); }
        }
        if ($this->state === 'done') { $pct = 100; }
        $this->percent = $pct;

        // Auto-Close vorbereiten
        if ($this->state === 'done' && $this->rc === 0) {
            static::$closingAllowed = true;
        }
    }

    public static function modalMaxWidth(): string { return '2xl'; }
    public static function closeModalOnEscape(): bool { return static::$closingAllowed; }
    public static function closeModalOnClickAway(): bool { return static::$closingAllowed; }
}