<?php

declare(strict_types=1);

namespace App\Http\Controllers\Api\V1;

use App\Enums\EmailTemplateType;
use App\Http\Controllers\Controller;
use App\Http\Requests\Api\V1\UpdateEmailTemplateRequest;
use App\Models\Organisation;
use App\Models\OrganisationEmailTemplate;
use App\Services\EmailService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Gate;
use Illuminate\Support\Facades\View;

final class OrganisationEmailTemplateController extends Controller
{
    public function __construct(
        private readonly EmailService $emailService,
    ) {}

    public function index(Organisation $organisation): JsonResponse
    {
        Gate::authorize('update', $organisation);

        $templates = $this->emailService->getAllTemplates($organisation);

        return $this->success($templates);
    }

    public function show(Organisation $organisation, string $type): JsonResponse
    {
        Gate::authorize('update', $organisation);

        $templateType = $this->resolveType($type);

        $template = $this->emailService->resolveTemplate($templateType, $organisation);
        $template['type'] = $templateType->value;
        $template['label'] = $templateType->label();
        $template['defaults'] = $templateType->defaults();

        return $this->success($template);
    }

    public function update(UpdateEmailTemplateRequest $request, Organisation $organisation, string $type): JsonResponse
    {
        Gate::authorize('update', $organisation);

        $templateType = $this->resolveType($type);

        $template = OrganisationEmailTemplate::updateOrCreate(
            [
                'organisation_id' => $organisation->id,
                'type' => $templateType->value,
            ],
            $request->validated(),
        );

        activity('email_template')
            ->performedOn($template)
            ->causedBy($request->user())
            ->withProperties(['type' => $templateType->value])
            ->log('email_template.updated');

        $result = $this->emailService->resolveTemplate($templateType, $organisation);
        $result['type'] = $templateType->value;
        $result['label'] = $templateType->label();
        $result['defaults'] = $templateType->defaults();

        return $this->success($result);
    }

    public function destroy(Organisation $organisation, string $type): JsonResponse
    {
        Gate::authorize('update', $organisation);

        $templateType = $this->resolveType($type);

        OrganisationEmailTemplate::where('organisation_id', $organisation->id)
            ->where('type', $templateType->value)
            ->delete();

        activity('email_template')
            ->causedBy(request()->user())
            ->withProperties(['type' => $templateType->value])
            ->log('email_template.reset_to_default');

        return $this->success(message: 'Template reset naar standaard.');
    }

    public function preview(Organisation $organisation, string $type): JsonResponse
    {
        Gate::authorize('update', $organisation);

        $templateType = $this->resolveType($type);

        $sampleVariables = [
            'organisation_name' => $organisation->name,
            'event_name' => 'Voorbeeldevenement',
            'shift_title' => 'Bar medewerker',
            'shift_date' => '15 juni 2026',
            'shift_start' => '14:00',
            'shift_end' => '22:00',
            'section_name' => 'Hoofdpodium Bar',
        ];

        $template = $this->emailService->resolveTemplate($templateType, $organisation);

        // Substitute sample variables
        foreach ($template as $key => $value) {
            if (is_string($value)) {
                foreach ($sampleVariables as $var => $replacement) {
                    $value = str_replace('{' . $var . '}', $replacement, $value);
                }
                $template[$key] = $value;
            }
        }

        $branding = $this->emailService->resolveBranding($organisation);

        $html = View::make('emails.transactional', [
            'heading' => $template['heading'],
            'bodyText' => $template['body_text'],
            'buttonText' => $template['button_text'],
            'actionUrl' => 'https://crewli.app/example',
            'logoUrl' => $branding['logo_url'],
            'primaryColor' => $branding['primary_color'],
            'secondaryColor' => $branding['secondary_color'],
            'footerText' => $branding['footer_text'],
        ])->render();

        return $this->success(['html' => $html]);
    }

    public function sendTest(Request $request, Organisation $organisation, string $type): JsonResponse
    {
        Gate::authorize('update', $organisation);

        $request->validate([
            'email' => ['required', 'email'],
        ]);

        $templateType = $this->resolveType($type);

        $sampleVariables = [
            'organisation_name' => $organisation->name,
            'event_name' => 'Voorbeeldevenement',
            'shift_title' => 'Bar medewerker',
            'shift_date' => '15 juni 2026',
            'shift_start' => '14:00',
            'shift_end' => '22:00',
            'section_name' => 'Hoofdpodium Bar',
        ];

        $this->emailService->send(
            type: $templateType,
            recipientEmail: $request->input('email'),
            recipientName: 'Test Ontvanger',
            variables: $sampleVariables,
            actionUrl: 'https://crewli.app/example',
            organisation: $organisation,
            triggeredByUserId: $request->user()->id,
        );

        activity('email_template')
            ->causedBy($request->user())
            ->withProperties([
                'type' => $templateType->value,
                'test_email' => $request->input('email'),
            ])
            ->log('email.test_sent');

        return $this->success(message: 'Testmail verzonden naar ' . $request->input('email') . '.');
    }

    private function resolveType(string $type): EmailTemplateType
    {
        $templateType = EmailTemplateType::tryFrom($type);

        if (! $templateType) {
            abort(404, 'Onbekend template type.');
        }

        return $templateType;
    }
}