<?php

declare(strict_types=1);

namespace App\Http\Controllers;

use App\Models\InvoiceSettings;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;
use Illuminate\View\View;

class InvoiceSettingsController extends Controller
{
    public function edit(): View
    {
        $settings = InvoiceSettings::instance();
        return view('invoices.settings', compact('settings'));
    }

    public function update(Request $request): RedirectResponse
    {
        $validated = $request->validate([
            'invoice_prefix'             => 'required|string|max:20',
            'invoice_next_number'        => 'required|integer|min:1',
            'header_name'                => 'nullable|string|max:100',
            'header_title'               => 'nullable|string|max:150',
            'header_logo'                => 'nullable|image|max:2048',
            'accent_color'               => 'nullable|string|max:20',
            'default_tax_rate'           => 'nullable|numeric|min:0|max:100',
            'default_currency'           => 'nullable|string|max:10',
            'default_service_description'=> 'nullable|string|max:255',
            'default_bank_name'          => 'nullable|string|max:100',
            'default_branch_name'        => 'nullable|string|max:100',
            'default_bank_account'       => 'nullable|string|max:50',
            'default_bank_holder'        => 'nullable|string|max:100',
            'default_notes'              => 'nullable|string|max:1000',
            'signature_image'            => 'nullable|image|max:2048',
            'signer_name'                => 'nullable|string|max:100',
            'signer_title'               => 'nullable|string|max:100',
        ]);

        $settings = InvoiceSettings::instance();

        if ($request->hasFile('header_logo')) {
            // Delete old logo if exists
            if ($settings->header_logo && Storage::disk('public')->exists($settings->header_logo)) {
                Storage::disk('public')->delete($settings->header_logo);
            }
            $path = $request->file('header_logo')->store('invoice-logos', 'public');
            $validated['header_logo'] = $path;
        }

        if ($request->hasFile('signature_image')) {
            if ($settings->signature_image && Storage::disk('public')->exists($settings->signature_image)) {
                Storage::disk('public')->delete($settings->signature_image);
            }
            $validated['signature_image'] = $request->file('signature_image')->store('invoice-signatures', 'public');
        } elseif ($request->boolean('remove_signature')) {
            if ($settings->signature_image && Storage::disk('public')->exists($settings->signature_image)) {
                Storage::disk('public')->delete($settings->signature_image);
            }
            $validated['signature_image'] = null;
        }

        $settings->update($validated);

        return redirect()->route('invoice-settings.edit')
            ->with('success', '🧾 Invoice settings saved!');
    }

    public function uploadLogo(Request $request): JsonResponse
    {
        $request->validate(['header_logo' => 'required|image|max:2048']);

        $settings = InvoiceSettings::instance();

        if ($settings->header_logo) {
            Storage::disk('public')->delete($settings->header_logo);
        }

        $path = $request->file('header_logo')->store('invoice-logos', 'public');
        $settings->update(['header_logo' => $path]);

        return response()->json([
            'url' => '/storage/' . $path,
        ]);
    }

    public function deleteLogo(): RedirectResponse
    {
        $settings = InvoiceSettings::instance();

        if ($settings->header_logo) {
            Storage::disk('public')->delete($settings->header_logo);
            $settings->update(['header_logo' => null]);
        }

        return redirect()->route('invoice-settings.edit')
            ->with('success', '🗑️ Logo removed.');
    }

    public function uploadSignature(Request $request): JsonResponse
    {
        $request->validate([
            'signature_image' => 'required|image|max:2048',
        ]);

        $settings = InvoiceSettings::instance();

        // Delete old signature if exists
        if ($settings->signature_image && Storage::disk('public')->exists($settings->signature_image)) {
            Storage::disk('public')->delete($settings->signature_image);
        }

        $path = $request->file('signature_image')->store('invoice-signatures', 'public');
        $settings->update(['signature_image' => $path]);

        return response()->json([
            'url' => '/storage/' . $path,
            'path' => $path
        ]);
    }

    public function deleteSignature(Request $request): JsonResponse
    {
        $settings = InvoiceSettings::instance();
        if ($settings->signature_image && Storage::disk('public')->exists($settings->signature_image)) {
            Storage::disk('public')->delete($settings->signature_image);
        }
        $settings->update(['signature_image' => null]);
        return response()->json(['message' => 'Signature deleted']);
    }
}