<?php

declare(strict_types=1);

namespace Modules\Helpdesk\Providers;

use Illuminate\Support\Facades\Blade;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Gate;
use Illuminate\Support\ServiceProvider;
use Livewire\Livewire;
use Modules\Helpdesk\Livewire\HelpdeskDashboardWidget;
use Modules\Helpdesk\Livewire\KanbanBoard;
use Modules\Helpdesk\Livewire\SettingsManager;
use Modules\Helpdesk\Livewire\TicketCreate;
use Modules\Helpdesk\Livewire\TicketIndex;
use Modules\Helpdesk\Livewire\TicketShow;
use Modules\Helpdesk\Livewire\TicketTimer;
use Modules\Helpdesk\Models\Ticket;
use Modules\Helpdesk\Policies\TicketPolicy;
use Modules\Helpdesk\Support\ModuleInfo;

final class HelpdeskServiceProvider extends ServiceProvider
{
    /**
     * Module name.
     */
    protected string $moduleName = 'Helpdesk';

    /**
     * Lowercase module name.
     */
    protected string $moduleNameLower = 'helpdesk';

    /**
     * Register module services.
     */
    public function register(): void
    {
        $this->app->register(RouteServiceProvider::class);

        $this->mergeConfigFrom(
            module_path(ModuleInfo::name(), 'Config/config.php'),
            ModuleInfo::nameLower(),
        );
    }

    /**
     * Bootstrap module services.
     */
    public function boot(): void
    {
        $this->registerTranslations();
        $this->registerConfig();
        $this->registerViews();
        $this->registerHelpers();
        $this->registerCommands();
        $this->registerLivewireComponents();
        $this->registerPolicies();

        $this->loadMigrationsFrom(module_path(ModuleInfo::name(), 'Database/Migrations'));
    }

    /**
     * Register Livewire components used by the module.
     */
    protected function registerLivewireComponents(): void
    {
        Livewire::component('helpdesk.ticket-index', TicketIndex::class);
        Livewire::component('helpdesk.ticket-create', TicketCreate::class);
        Livewire::component('helpdesk.ticket-show', TicketShow::class);
        Livewire::component('helpdesk.ticket-timer', TicketTimer::class);
        Livewire::component('helpdesk.dashboard-widget', HelpdeskDashboardWidget::class);
        Livewire::component('helpdesk.kanban-board', KanbanBoard::class);
        Livewire::component('helpdesk.settings-manager', SettingsManager::class);
    }

    /**
     * Register policies and gates.
     */
    protected function registerPolicies(): void
    {
        Gate::policy(Ticket::class, TicketPolicy::class);

        Gate::define('helpdesk-admin', static fn ($user): bool => method_exists($user, 'isAdmin') && $user->isAdmin());
        Gate::define('helpdesk-agent', static fn ($user): bool => (method_exists($user, 'isAdmin') && $user->isAdmin()) || (bool) ($user->helpdesk_agent ?? false));
    }

    /**
     * Register helpers.
     */
    protected function registerHelpers(): void
    {
        foreach (glob(module_path(ModuleInfo::name(), 'Helpers/*.php')) ?: [] as $filename) {
            require_once $filename;
        }
    }

    /**
     * Dynamically register console commands.
     */
    protected function registerCommands(): void
    {
        if (! $this->app->runningInConsole()) {
            return;
        }

        $commandPath = module_path(ModuleInfo::name(), 'Console');

        if (! is_dir($commandPath)) {
            return;
        }

        $commands = collect(File::allFiles($commandPath))
            ->map(fn ($file): string => 'Modules\\'.$this->moduleName.'\\Console\\'.$file->getFilenameWithoutExtension())
            ->filter(fn (string $class): bool => class_exists($class))
            ->values()
            ->all();

        $this->commands($commands);
    }

    /**
     * Register config publishing.
     */
    protected function registerConfig(): void
    {
        $this->publishes([
            module_path(ModuleInfo::name(), 'Config/config.php') => config_path(ModuleInfo::nameLower().'.php'),
        ], 'config');
    }

    /**
     * Register module views.
     */
    protected function registerViews(): void
    {
        $sourcePath = module_path(ModuleInfo::name(), 'Resources/views');
        $themeRoot = rtrim((string) config('stylist.themes_path', resource_path('themes')), DIRECTORY_SEPARATOR);
        $backendTheme = (string) config('stylist.default_backend_theme', 'backend');
        $viewPath = $themeRoot.DIRECTORY_SEPARATOR.$backendTheme
            .DIRECTORY_SEPARATOR.'views'.DIRECTORY_SEPARATOR.'modules'.DIRECTORY_SEPARATOR.ModuleInfo::nameLower();

        // Module source views remain module-owned. Any application override is
        // published into the selected backend theme, never resources/views.
        $this->publishes([
            $sourcePath => $viewPath,
        ], ['views', ModuleInfo::nameLower().'-module-views']);

        $this->loadViewsFrom($sourcePath, ModuleInfo::nameLower());

        Blade::componentNamespace('Modules\Helpdesk\View\Components', 'helpdesk');
        Blade::anonymousComponentPath($sourcePath.'/components', 'helpdesk');
    }

    /**
     * Register translations.
     */
    protected function registerTranslations(): void
    {
        $langPath = resource_path('lang/modules/'.ModuleInfo::nameLower());

        if (is_dir($langPath)) {
            $this->loadTranslationsFrom($langPath, ModuleInfo::nameLower());

            return;
        }

        $this->loadTranslationsFrom(module_path(ModuleInfo::name(), 'Resources/lang'), ModuleInfo::nameLower());
    }

    /**
     * Get provided services.
     *
     * @return array<int, string>
     */
    public function provides(): array
    {
        return [];
    }
}