<?php

use App\Models\SystemSetting;
use App\Models\SystemSettingRevision;
use App\Models\User;
use App\Services\SystemConfig\SystemConfigService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;

beforeEach(function () {
    $reset = function () {
        $ref = new ReflectionClass(SystemConfigService::class);
        $prop = $ref->getProperty('resolvedSettings');
        $prop->setAccessible(true);
        $prop->setValue(null, null);
    };
    $reset();
    Cache::flush();
    $this->service = app(SystemConfigService::class);
});

test('definitions returns non-empty array with expected meta keys', function () {
    $defs = SystemConfigService::definitions();

    expect($defs)->toBeArray()->not->toBeEmpty();
    expect($defs)->toHaveKey('app_name');

    foreach ($defs as $key => $meta) {
        expect($meta)->toHaveKeys(['type', 'group', 'is_public']);
    }
});

test('all returns definition defaults when DB is empty', function () {
    $all = $this->service->all();

    expect($all['app_name'])->toBe('Laravel');
    expect($all['regional_timezone'])->toBe('Asia/Jakarta');
});

test('all returns DB values when row exists', function () {
    SystemSetting::create([
        'key' => 'app_name',
        'value' => 'CustomApp',
        'type' => 'string',
        'group' => 'branding',
        'is_public' => true,
    ]);

    $all = $this->service->all(forceRefresh: true);

    expect($all['app_name'])->toBe('CustomApp');
});

test('get returns default for unknown key', function () {
    expect($this->service->get('nonexistent_key', 'fallback'))->toBe('fallback');
});

test('get returns value for known key', function () {
    expect($this->service->get('app_name'))->toBe('Laravel');
});

test('getPublicSettings only includes is_public=true keys', function () {
    $public = $this->service->getPublicSettings();

    expect($public)->toHaveKey('app_name');

    foreach ($public as $key => $value) {
        $meta = SystemConfigService::definitions()[$key];
        expect($meta['is_public'])->toBeTrue();
    }
});

test('grouped returns settings keyed by group', function () {
    $grouped = $this->service->grouped();

    expect($grouped)->toHaveKey('branding');
    expect($grouped['branding'])->toHaveKey('app_name');
});

test('update creates new setting row', function () {
    $this->service->update(['app_name' => 'Updated']);

    $this->assertDatabaseHas('system_settings', [
        'key' => 'app_name',
        'value' => 'Updated',
    ]);
});

test('update overwrites existing setting row', function () {
    SystemSetting::create([
        'key' => 'app_name',
        'value' => 'Old',
        'type' => 'string',
        'group' => 'branding',
        'is_public' => true,
    ]);

    $this->service->update(['app_name' => 'New']);

    expect(SystemSetting::where('key', 'app_name')->count())->toBe(1);
    expect(SystemSetting::where('key', 'app_name')->first()->value)->toBe('New');
});

test('update writes a revision row', function () {
    $user = User::factory()->create();

    $this->service->update(['app_name' => 'Revisioned'], actorId: $user->id);

    $rev = SystemSettingRevision::where('key', 'app_name')->first();

    expect($rev)->not->toBeNull();
    expect($rev->changed_by)->toBe($user->id);
    expect($rev->new_value)->toContain('Revisioned');
});

test('update does not write revision when value unchanged', function () {
    SystemSetting::create([
        'key' => 'app_name',
        'value' => 'Same',
        'type' => 'string',
        'group' => 'branding',
        'is_public' => true,
    ]);

    $this->service->update(['app_name' => 'Same']);

    expect(SystemSettingRevision::where('key', 'app_name')->count())->toBe(0);
});

test('update serializes bool values to 1 or 0', function () {
    $this->service->update(['enable_landing_page' => false]);

    $row = SystemSetting::where('key', 'enable_landing_page')->first();
    expect($row->value)->toBe('0');

    $this->service->update(['enable_landing_page' => true]);
    $row->refresh();
    expect($row->value)->toBe('1');
});

test('update clears the cache after writing', function () {
    Cache::put('system_settings.all', ['app_name' => 'StaleCached'], 60);

    $this->service->update(['app_name' => 'Fresh']);

    expect(Cache::has('system_settings.all'))->toBeFalse();
});

test('update normalizes bool input from string', function () {
    $this->service->update(['enable_landing_page' => 'false']);

    $row = SystemSetting::where('key', 'enable_landing_page')->first();
    expect($row->value)->toBe('0');
});

test('update records request IP and user agent in revision', function () {
    $request = Request::create('/system-settings', 'POST', server: [
        'REMOTE_ADDR' => '203.0.113.7',
        'HTTP_USER_AGENT' => 'pest-test-agent',
    ]);

    $this->service->update(['app_name' => 'Tracked'], request: $request);

    $rev = SystemSettingRevision::where('key', 'app_name')->first();
    expect($rev->changed_ip)->toBe('203.0.113.7');
    expect($rev->changed_agent)->toBe('pest-test-agent');
});