<?php

namespace App\Http\Controllers\Admin\Content;

use App\Http\Controllers\Controller;
use App\Models\Media;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use Illuminate\View\View;

class MediaController extends Controller
{
    public function index(): View
    {
        $media = Media::orderBy('created_at', 'desc')->paginate(20);

        return view('admin.content.media.index', compact('media'));
    }

    public function create(): View
    {
        return view('admin.content.media.create');
    }

    public function store(Request $request): RedirectResponse
    {
        $validated = $request->validate([
            'file' => ['required', 'file', 'max:10240', 'mimetypes:image/*,video/*,audio/*'],
            'alt' => ['nullable', 'string', 'max:255'],
            'caption' => ['nullable', 'string', 'max:255'],
        ], [
            'file.required' => 'File harus diunggah.',
            'file.file' => 'File tidak valid.',
            'file.max' => 'File maksimal 10MB.',
            'file.mimetypes' => 'File harus berupa gambar, video, atau audio.',
            'alt.max' => 'Alt maksimal 255 karakter.',
            'caption.max' => 'Caption maksimal 255 karakter.',
        ]);

        $file = $request->file('file');
        $originalName = pathinfo($file->getClientOriginalName(), PATHINFO_FILENAME);
        $filename = Str::slug($originalName) ?: 'media-file';
        $extension = strtolower($file->getClientOriginalExtension());
        $storedName = $filename . '-' . time() . '.' . $extension;
        $path = $file->storeAs('media', $storedName, 'public');

        $width = null;
        $height = null;
        if (str_starts_with($file->getClientMimeType(), 'image/')) {
            [$width, $height] = getimagesize($file->path()) ?: [null, null];
        }

        Media::create([
            'path' => $path,
            'filename' => $storedName,
            'mime_type' => $file->getClientMimeType(),
            'extension' => $extension,
            'size' => $file->getSize(),
            'width' => $width,
            'height' => $height,
            'alt' => $validated['alt'] ?? null,
            'caption' => $validated['caption'] ?? null,
            'created_by' => Auth::id(),
            'updated_by' => Auth::id(),
        ]);

        return redirect()->route('admin.contents.media.index')
            ->with('success', 'Media berhasil dibuat.');
    }

    public function show(Media $medium): View
    {
        return view('admin.content.media.show', compact('medium'));
    }

    public function edit(Media $medium): View
    {   
        return view('admin.content.media.edit', compact('medium'));
    }

    public function update(Request $request, Media $medium): RedirectResponse
    {
        $validated = $request->validate([
            'file' => ['nullable', 'file', 'max:10240'],
            'alt' => ['nullable', 'string', 'max:255'],
            'caption' => ['nullable', 'string', 'max:255'],
        ], [
            'file.file' => 'File tidak valid.',
            'file.max' => 'File maksimal 10MB.',
            'alt.max' => 'Alt maksimal 255 karakter.',
            'caption.max' => 'Caption maksimal 255 karakter.',
        ]);

        $data = [
            'alt' => $validated['alt'] ?? null,
            'caption' => $validated['caption'] ?? null,
            'updated_by' => Auth::id(),
        ];

        if ($request->hasFile('file')) {
            if (Storage::disk('public')->exists($medium->path)) {
                Storage::disk('public')->delete($medium->path);
            }

            $file = $request->file('file');
            $originalName = pathinfo($file->getClientOriginalName(), PATHINFO_FILENAME);
            $filename = Str::slug($originalName) ?: 'media-file';
            $extension = strtolower($file->getClientOriginalExtension());
            $storedName = $filename . '-' . time() . '.' . $extension;
            $path = $file->storeAs('medium', $storedName, 'public');

            $width = null;
            $height = null;
            if (str_starts_with($file->getClientMimeType(), 'image/')) {
                [$width, $height] = getimagesize($file->path()) ?: [null, null];
            }

            $data = array_merge($data, [
                'path' => $path,
                'filename' => $storedName,
                'mime_type' => $file->getClientMimeType(),
                'extension' => $extension,
                'size' => $file->getSize(),
                'width' => $width,
                'height' => $height,
            ]);
        }

        $medium->update($data);

        return redirect()->route('admin.contents.media.index')
            ->with('success', 'Media berhasil diperbarui.');
    }


    public function destroy(Media $medium): RedirectResponse
    {
        $medium->update([
            'deleted_by' => Auth::id(),
        ]);
        $medium->delete();

        return redirect()->route('admin.contents.media.index')
            ->with('success', 'Media berhasil dihapus.');
    }
}