<?php

namespace NoNameWeb\LivewireMaterial;

use Illuminate\Contracts\View\Factory;
use Illuminate\Pagination\Paginator;
use Illuminate\Support\Facades\Blade;
use Illuminate\Support\Facades\Route;
use Illuminate\Support\ServiceProvider;

class LivewireMaterialServiceProvider extends ServiceProvider
{
    public function register(): void
    {
        $this->mergeConfigFrom(__DIR__.'/../config/livewire-material.php', 'livewire-material');

        $this->disableBladeIconsComponent();
        $this->registerErrorViews();
        $this->registerMailComponents();
    }

    public function boot(): void
    {
        $this->loadViewsFrom(__DIR__.'/../resources/views', 'livewire-material');

        $this->registerComponents();
        $this->registerPagination();
        $this->registerShowcase();

        if ($this->app->runningInConsole()) {
            $this->commands([
                Console\SchemeCommand::class,
            ]);

            $this->publishes([
                __DIR__.'/../config/livewire-material.php' => config_path('livewire-material.php'),
            ], 'livewire-material-config');

            $this->publishes([
                static::errorViewPath().'/errors' => resource_path('views/errors'),
            ], 'livewire-material-errors');

            $this->publishes([
                static::mailComponentPath().'/html' => resource_path('views/vendor/mail/html'),
                static::mailComponentPath().'/text' => resource_path('views/vendor/mail/text'),
            ], 'livewire-material-mail');
        }
    }

    /**
     * The anonymous components.
     */
    public static function componentPath(): string
    {
        return __DIR__.'/../resources/views/components';
    }

    /**
     * The error-view root: a folder holding only `errors/`.
     */
    public static function errorViewPath(): string
    {
        return dirname(__DIR__).'/resources/views/error-pages';
    }

    /**
     * The mail component root, laid out like the framework's: `html/` and `text/`.
     */
    public static function mailComponentPath(): string
    {
        return dirname(__DIR__).'/resources/views/mail';
    }

    /**
     * Append the error-view root to `view.paths`, after the application's own.
     *
     * The exception handler replaces the `errors` namespace each time it renders an HTTP
     * exception, with every entry of `view.paths` plus `/errors` and the framework's views last
     * (RegisterErrorViewPaths), so a namespace added with addNamespace() is gone by then; only a
     * view path survives. That config is read at render time, but also once when the view
     * finder is built: appended here, in register(), before any boot() resolves the view
     * factory, the finder and `view:cache` see the same paths the handler does. Appending keeps
     * `view.paths[0]` — Laravel's viewPath() — the application's, and puts the application's
     * own `resources/views/errors` first. Idempotent, since a cached config already holds it.
     */
    protected function registerErrorViews(): void
    {
        $paths = (array) config('view.paths', []);

        if (! in_array(static::errorViewPath(), $paths, true)) {
            config(['view.paths' => [...$paths, static::errorViewPath()]]);
        }
    }

    /**
     * Put the package's mail header and message after the application's own mail components,
     * when `livewire-material.mail.components` asks for it. Off by default: it changes every
     * Markdown mail the application sends, theme or not, and the framework reads
     * `mail.markdown.paths` once, when the Markdown renderer is first made — after register().
     */
    protected function registerMailComponents(): void
    {
        if (! config('livewire-material.mail.components')) {
            return;
        }

        $paths = (array) config('mail.markdown.paths', []);

        if (! in_array(static::mailComponentPath(), $paths, true)) {
            config(['mail.markdown.paths' => [...$paths, static::mailComponentPath()]]);
        }
    }

    /**
     * Register the components as anonymous Blade components under the configured prefix, or
     * under `livewire-material` without one.
     *
     * A compiled `<x-button>` names the view namespace Blade derives from the prefix, or from the
     * component folder's absolute path when there is none. That path differs between a laptop and
     * a container sharing `storage/framework/views`, or between release directories, while the
     * compiled file's name does not — so a view compiled on one showed `a1b2…::button` as text on
     * the other. A prefix does not stop an unprefixed tag resolving.
     *
     * The package's own views never go through this registration: they write
     * `<x-livewire-material::button>`, which resolves through the view namespace whatever the
     * prefix, and which an application's own `<x-button>` cannot shadow.
     */
    protected function registerComponents(): void
    {
        Blade::anonymousComponentPath(
            static::componentPath(),
            filled(config('livewire-material.prefix')) ? config('livewire-material.prefix') : 'livewire-material',
        );
    }

    /**
     * Put the M3 paginators in front of Laravel's and Livewire's own, and take over both
     * frameworks' default theme so no application forgets the config and silently renders
     * Laravel's or Livewire's own Tailwind view instead.
     *
     * The namespaces still go through callAfterResolving('view', …): the Factory instance only
     * exists once the `view` service resolves, which may happen before or after this method runs.
     * `Paginator::defaultView()`/`defaultSimpleView()` and `livewire.pagination_theme`, in
     * contrast, are a plain static and a config value — nothing needs resolving first — so they
     * are set here directly, during this provider's boot(). Package providers boot before the
     * application's own (its `bootstrap/providers.php` list is appended after the discovered
     * package providers), so an application that calls `Paginator::defaultView()` again, or sets
     * `livewire.pagination_theme` itself, in its own boot() still wins. Deferring them into the
     * callback instead would risk the opposite: `view` can resolve arbitrarily late — the first
     * render, possibly after the application's own boot() already set its override — and this
     * call would silently overwrite it.
     *
     * `livewire.pagination_theme` is only taken over while it still reads as Livewire's own
     * default, `tailwind` — including when the key is missing entirely, since
     * `SupportPagination::paginationView()` reads it with that same fallback. An application that
     * chose another theme, or already set `material`, keeps it. Either way, a component's own
     * `$paginationTheme` property or `paginationView()` method still wins over the config, because
     * Livewire checks those first.
     */
    protected function registerPagination(): void
    {
        if (! config('livewire-material.pagination')) {
            return;
        }

        $this->callAfterResolving('view', function (Factory $view): void {
            $view->prependNamespace('pagination', __DIR__.'/../resources/views/pagination/laravel');
            $view->prependNamespace('livewire', __DIR__.'/../resources/views/pagination/livewire');
        });

        Paginator::defaultView('pagination::material');
        Paginator::defaultSimpleView('pagination::simple-material');

        if (config('livewire.pagination_theme', 'tailwind') === 'tailwind') {
            config(['livewire.pagination_theme' => 'material']);
        }
    }

    /**
     * blade-icons registers a class-based <x-icon> of its own, and Blade resolves a
     * registered class alias before any anonymous component path, so ours would never
     * render. It reads the key in its boot(); a booting callback runs after every
     * register() — so after blade-icons merges its defaults over the key — and before
     * any provider boots.
     */
    protected function disableBladeIconsComponent(): void
    {
        $this->app->booting(function (): void {
            config(['blade-icons.components.default' => null]);
        });
    }

    /**
     * Mount the showcase when it is enabled.
     */
    protected function registerShowcase(): void
    {
        // Registered even with the showcase off: `php artisan view:cache` compiles every view in the
        // package's namespace, the showcase's pages included, and <x-showcase::…> must resolve there.
        Blade::anonymousComponentPath(__DIR__.'/../resources/views/showcase/components', 'showcase');

        if (! config('livewire-material.showcase.enabled')) {
            return;
        }

        if ($this->app->routesAreCached()) {
            return;
        }

        Route::middleware(config('livewire-material.showcase.middleware'))
            ->prefix(config('livewire-material.showcase.path'))
            ->name('livewire-material.')
            ->group(__DIR__.'/../routes/showcase.php');
    }
}