<?php

namespace Modules\MarketingAddon\App\Http\Controllers;

use App\Models\Option;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\Cache;
use Modules\MarketingAddon\App\Models\Template;

class AcnooTemplateController extends Controller
{
    public function index(Request $request)
    {
        $businessId = auth()->user()->business_id;
        $type = $request->type;

        $templates = Template::where('business_id', $businessId)
            ->where('type', $type)
            ->get()
            ->keyBy('title');

        $page_data = Option::where('key', 'notification_settings_' . $businessId)->first()?->value ?? [];

        return view('marketingaddon::templates.index', compact('templates', 'page_data'));
    }

    public function store(Request $request)
    {
        $businessId = auth()->user()->business_id;
        $type = $request->type;
        $tabs = ['new_sale', 'payment_received', 'payment_paid', 'purchase', 'payment_reminder', 'attendance'];

        $request->validate(collect($tabs)
            ->flatMap(function ($key) use ($request, $type) {
                if (!$request->has($key)) {
                    return [];
                }
                return [
                    "{$key}.template" => 'nullable|string|max:255',
                    "{$key}.subject"  => $type === 'email' ? 'required|string|max:255' : 'nullable|string|max:255',
                    "{$key}.message"  => 'required|string|max:1000',
                ];
            })->toArray()
        );

        $optionKey = 'notification_settings_' . $businessId;

        $option = Option::firstOrCreate(
            ['key' => $optionKey],
            ['value' => []]
        );

        $optionValue = $option->value ?? [];

        foreach ($tabs as $tab) {
            if (!$request->has($tab)) continue;

            $tabData = $request->{$tab};

            $optionValue[$tab][$type]['enabled'] = $tabData[$type]['enabled'] ?? 0;

            $message   = $tabData['message'] ?? null;
            $variables = $message ? extractTemplateVariables($message) : [];

            Template::updateOrCreate(
                [
                    'business_id' => $businessId,
                    'title' => $tab,
                    'type' => $type,
                ],
                [
                    'subject' => $tabData['subject'] ?? null,
                    'template' => $tabData['template'] ?? null,
                    'message' => $message,
                    'variables' => $variables,
                ]
            );
        }

        $option->update(['value' => $optionValue]);

        Cache::forget($optionKey);

        return response()->json(__(ucfirst($type) . ' template updated successfully'));
    }
}