<?php

namespace App\Livewire;

use Illuminate\Support\Facades\Process;
use Livewire\Attributes\On;
use Livewire\Component;

class EmulatorLogViewer extends Component
{
    public string $logPath = '';

    public string $selectedFile = '';

    public array $logFiles = [];

    public string $logContent = '';

    public int $lines = 100;

    public bool $autoRefresh = true;

    public int $refreshInterval = 5;

    public function mount(): void
    {
        // Get log path from settings (default to logging subdirectory)
        $emulatorPath = setting('emulator_jar_path', '/var/www/Emulator');
        $this->logPath = $emulatorPath . '/logging';

        $this->loadLogFiles();

        if ($this->logFiles !== []) {
            $this->selectedFile = $this->logFiles[0];
            $this->loadLogContent();
        }
    }

    #[On('refresh')]
    public function refresh(): void
    {
        $this->loadLogContent();
    }

    public function loadLogFiles(): void
    {
        // Find log files (txt, log, and gz files)
        $result = Process::timeout(5)->run("find {$this->logPath} -name '*.txt' -o -name '*.log' -o -name '*.log.*' 2>/dev/null | sort -r | head -20");

        if ($result->successful()) {
            $files = explode("\n", trim($result->output()));
            $this->logFiles = array_filter($files, fn ($f) => ! empty($f) && ! str_contains((string) $f, '.gz'));
        }
    }

    public function loadLogContent(): void
    {
        if ($this->selectedFile === '' || $this->selectedFile === '0') {
            $this->logContent = 'Geen log bestand geselecteerd';

            return;
        }

        $result = Process::timeout(10)->run("tail -n {$this->lines} {$this->selectedFile} 2>/dev/null");

        if ($result->successful()) {
            $this->logContent = $result->output() ?: 'Log bestand is leeg';
        } else {
            $this->logContent = 'Fout bij lezen van log bestand';
        }
    }

    public function selectFile(string $file): void
    {
        $this->selectedFile = $file;
        $this->loadLogContent();
    }

    public function clearLog(): void
    {
        if ($this->selectedFile !== '' && $this->selectedFile !== '0') {
            Process::timeout(5)->run("sudo truncate -s 0 {$this->selectedFile} 2>/dev/null");
            $this->loadLogContent();
        }
    }

    public function downloadLog()
    {
        if ($this->selectedFile !== '' && $this->selectedFile !== '0') {
            return response()->download($this->selectedFile);
        }
    }

    public function render()
    {
        return view('livewire.emulator-log-viewer');
    }
}