<?php

namespace Tests\Feature;

use Illuminate\Support\Facades\File;
use Tests\TestCase;

/**
 * platform:init creates the platform folder, platform:override copies a template into it with a fingerprint of
 * its original, platform:check reports overrides that went stale. Each test has its own folder and public/.
 */
class PlatformToolsTest extends TestCase
{
    private string $root;
    private string $public;
    private string $originalPublic;

    protected function setUp(): void
    {
        parent::setUp();

        $base = sys_get_temp_dir() . '/platform-tools-test-' . uniqid();
        $this->root = "{$base}/platform";
        $this->public = "{$base}/public";
        File::makeDirectory($this->public, 0755, true);
        $this->originalPublic = public_path();
        $this->app->usePublicPath($this->public);
        config(['app.platform_path' => $this->root]);
    }

    protected function tearDown(): void
    {
        $this->app->usePublicPath($this->originalPublic);
        File::deleteDirectory(dirname($this->root));
        parent::tearDown();
    }

    private function putFile(string $path, string $content): void
    {
        File::ensureDirectoryExists(dirname("{$this->root}/{$path}"));
        File::put("{$this->root}/{$path}", $content);
    }

    public function test_init_creates_the_folder_and_never_overwrites(): void
    {
        $this->artisan('platform:init')->assertExitCode(0);
        $this->assertFileExists("{$this->root}/README.md");
        $this->assertDirectoryExists("{$this->root}/lang");
        $this->assertFileDoesNotExist("{$this->root}/config.php");

        $this->artisan('platform:init', ['--from-current' => true])->assertExitCode(0);
        $name = config('app.timebank_config');
        $this->assertFileEquals(config_path("{$name}.php"), "{$this->root}/config.php");
        $theme = require "{$this->root}/theme.php";
        $this->assertSame(theme_id(), $theme['id']);
        $this->assertSame(theme('colors'), $theme['colors']);

        File::put("{$this->root}/config.php", '<?php return ["mine" => true];');
        $this->artisan('platform:init', ['--from-current' => true])->expectsOutputToContain('kept')->assertExitCode(0);
        $this->assertSame('<?php return ["mine" => true];', File::get("{$this->root}/config.php"));
    }

    public function test_override_copies_a_template_with_the_fingerprint_of_its_original(): void
    {
        $this->artisan('platform:override', ['view' => 'emails.layouts.html'])->assertExitCode(0);
        $copy = File::get("{$this->root}/views/emails/layouts/html.blade.php");
        $original = resource_path('views/emails/layouts/html.blade.php');
        $this->assertSame('{{-- platform:override of resources/views/emails/layouts/html.blade.php sha1:' . sha1_file($original) . " --}}\n" . File::get($original), $copy);

        $this->artisan('platform:override', ['view' => 'mail::html.panel'])->assertExitCode(0);
        $this->assertFileExists("{$this->root}/views/mail/html/panel.blade.php");

        $this->artisan('platform:override', ['view' => 'wirechat::components.divider'])->assertExitCode(0);
        $this->assertFileExists("{$this->root}/views/vendor/wirechat/components/divider.blade.php");

        $this->artisan('platform:override', ['view' => 'emails.layouts.html'])->expectsOutputToContain('exists already')->assertExitCode(1);
        $this->artisan('platform:override', ['view' => 'emails.no-such-template'])->expectsOutputToContain('No template')->assertExitCode(1);
    }

    public function test_check_without_a_folder(): void
    {
        $this->artisan('platform:check')->expectsOutputToContain('No platform folder')->assertExitCode(0);
    }

    public function test_check_reports_stale_overrides(): void
    {
        $base = json_decode(File::get(lang_path('en.json')), true);
        $existing = array_key_first($base);
        $this->putFile('lang/en.json', json_encode([
            $existing => 'Changed',
            'A sentence the code reworded long ago' => 'Old override',
            'Own text in an own template' => 'Platform text',
        ]));
        $this->putFile('views/own-block.blade.php', "{{ __('Own text in an own template') }}");
        $this->putFile('lang/en/messages.php', "<?php\n\nreturn ['no_such_message_key' => 'x'];\n");

        $this->artisan('platform:override', ['view' => 'emails.layouts.html'])->assertExitCode(0);
        $this->artisan('platform:override', ['view' => 'mail::html.panel'])->assertExitCode(0);
        // The panel's original "changed" after the copy: simulate with another fingerprint
        $panel = "{$this->root}/views/mail/html/panel.blade.php";
        File::put($panel, preg_replace('/sha1:[0-9a-f]{40}/', 'sha1:' . str_repeat('0', 40), File::get($panel)));

        $this->artisan('platform:check')
            ->expectsOutputToContain('A sentence the code reworded long ago')
            ->expectsOutputToContain('no_such_message_key')
            ->expectsOutputToContain('views/mail/html/panel.blade.php: the original changed')
            ->expectsOutputToContain("views/own-block.blade.php: the platform's own template")
            ->doesntExpectOutputToContain('Own text in an own template')
            ->doesntExpectOutputToContain('views/emails/layouts/html.blade.php: the original changed')
            ->assertExitCode(0);
    }

    public function test_check_fails_on_invalid_json_and_warns_about_config_and_link(): void
    {
        $this->putFile('lang/nl.json', '{"broken": ');
        $this->putFile('config.php', '<?php return [];');
        $this->putFile('public/favicon.ico', 'icon');

        $this->artisan('platform:check')
            ->expectsOutputToContain('lang/nl.json is not valid JSON')
            ->expectsOutputToContain('Both platform/config.php and config/')
            ->expectsOutputToContain('run php artisan platform:link')
            ->assertExitCode(1);

        $this->artisan('platform:link')->assertExitCode(0);
        $this->putFile('lang/nl.json', '{}');
        $this->artisan('platform:check')->expectsOutputToContain('linked at /platform')->assertExitCode(0);
    }
}