<?php

namespace Tests\Feature\BusinessPlan;

use Tests\TestCase;
use App\User;
use App\Models\UserAccount;
use App\Models\UserLevel;
use App\Models\UserBusiness;
use App\Models\UserBusinessStructure;
use App\Services\BusinessPlan\TreeCalcBotOptimized;
use App\Services\BusinessPlan\TreeCalcBot;
use Illuminate\Foundation\Testing\RefreshDatabase;

class TreeCalcBotIntegrationTest extends TestCase
{
    use RefreshDatabase;

    /** @test */
    public function optimized_version_can_replace_original_version()
    {
        // Create test data
        $user = User::factory()->create([
            'm_sponsor' => null,
            'm_level' => 1,
            'payment_account' => '2024-01-15',
            'active_date' => '2024-01-01'
        ]);
        
        UserAccount::factory()->create([
            'user_id' => $user->id,
            'first_name' => 'Test',
            'last_name' => 'User',
            'm_account' => 'TEST123'
        ]);
        
        UserLevel::factory()->create([
            'id' => 1,
            'name' => 'Bronze',
            'pos' => 1
        ]);

        // Test original version
        $originalBot = new TreeCalcBot(1, 2024, 'admin');
        $originalBot->initStructureAdmin(false);
        $originalItems = $originalBot->getItems();

        // Test optimized version
        $optimizedBot = new TreeCalcBotOptimized(1, 2024, 'admin');
        $optimizedBot->initStructureAdmin(false);
        $optimizedItems = $optimizedBot->getItems();

        // Both should return same number of items
        $this->assertEquals(count($originalItems), count($optimizedItems));
        
        // Both should have same basic functionality
        $this->assertEquals($originalBot->isParentless(), $optimizedBot->isParentless());
        
        // HTML output should be generated (length > 0)
        $this->assertGreaterThan(0, strlen($originalBot->makeHtmlTree()));
        $this->assertGreaterThan(0, strlen($optimizedBot->makeHtmlTree()));
    }

    /** @test */
    public function optimized_version_handles_memory_efficiently()
    {
        // Create multiple users to test memory efficiency
        $users = [];
        for ($i = 0; $i < 5; $i++) {
            $user = User::factory()->create([
                'm_sponsor' => null,
                'm_level' => 1,
                'payment_account' => '2024-01-15',
                'active_date' => '2024-01-01'
            ]);
            
            UserAccount::factory()->create([
                'user_id' => $user->id,
                'first_name' => 'User',
                'last_name' => $i,
                'm_account' => 'TEST' . $i
            ]);
            
            $users[] = $user;
        }

        $startMemory = memory_get_usage();
        
        $optimizedBot = new TreeCalcBotOptimized(1, 2024, 'admin');
        $optimizedBot->initStructureAdmin(false);
        
        $endMemory = memory_get_usage();
        $memoryUsed = $endMemory - $startMemory;
        
        // Memory usage should be reasonable (less than 5MB for 5 users)
        $this->assertLessThan(5 * 1024 * 1024, $memoryUsed);
        
        // Should still function correctly
        $this->assertEquals(5, count($optimizedBot->getItems()));
    }

    /** @test */
    public function optimized_version_maintains_backward_compatibility()
    {
        $optimizedBot = new TreeCalcBotOptimized(1, 2024, 'admin');
        
        // Test all public methods exist and are callable
        $this->assertTrue(method_exists($optimizedBot, 'initStructureAdmin'));
        $this->assertTrue(method_exists($optimizedBot, 'initStructureUser'));
        $this->assertTrue(method_exists($optimizedBot, 'getItems'));
        $this->assertTrue(method_exists($optimizedBot, 'makeHtmlTree'));
        $this->assertTrue(method_exists($optimizedBot, 'makeParentlessHtml'));
        $this->assertTrue(method_exists($optimizedBot, 'makeSponsorHtml'));
        $this->assertTrue(method_exists($optimizedBot, 'isParentless'));
        $this->assertTrue(method_exists($optimizedBot, 'getGrowthBonus'));
        $this->assertTrue(method_exists($optimizedBot, 'getKeybyLine'));
        
        // Test static methods
        $this->assertTrue(method_exists($optimizedBot, 'isFromStored'));
        $this->assertTrue(method_exists($optimizedBot, 'addUserID'));
        
        // Test magic methods for property access
        $date = $optimizedBot->__get('date');
        $this->assertNotNull($date);
        $this->assertEquals(1, $date->month);
        $this->assertEquals(2024, $date->year);
    }

    /** @test */
    public function optimized_version_produces_valid_html_output()
    {
        // Create test user
        $user = User::factory()->create([
            'm_sponsor' => null,
            'm_level' => 1,
            'payment_account' => '2024-01-15',
            'active_date' => '2024-01-01'
        ]);
        
        UserAccount::factory()->create([
            'user_id' => $user->id,
            'first_name' => 'Test',
            'last_name' => 'User'
        ]);

        $optimizedBot = new TreeCalcBotOptimized(1, 2024, 'admin');
        $optimizedBot->initStructureAdmin(false);

        // Test HTML outputs
        $treeHtml = $optimizedBot->makeHtmlTree();
        $parentlessHtml = $optimizedBot->makeParentlessHtml();
        $sponsorHtml = $optimizedBot->makeSponsorHtml();

        // All should produce valid HTML strings
        $this->assertIsString($treeHtml);
        $this->assertIsString($parentlessHtml);
        $this->assertIsString($sponsorHtml);
        
        // Tree HTML should contain user data when users exist
        if (count($optimizedBot->getItems()) > 0) {
            $this->assertStringContainsString('Test User', $treeHtml);
        }
        
        // HTML should be properly formed (basic check)
        $this->assertStringNotContainsString('><', $treeHtml . $parentlessHtml . $sponsorHtml);
    }

    /** @test */
    public function optimized_version_error_handling_works()
    {
        $optimizedBot = new TreeCalcBotOptimized(1, 2024, 'admin');
        
        // Should handle non-existent user gracefully
        $optimizedBot->initStructureUser(999999);
        
        // Should return empty results but not crash
        $this->assertEquals([], $optimizedBot->getItems());
        $this->assertFalse($optimizedBot->isParentless());
        
        // Should handle method calls on empty state
        $this->assertEquals([], $optimizedBot->getGrowthBonus());
        $this->assertEquals(0, $optimizedBot->getKeybyLine(1, 'points'));
    }
}