<?php

namespace Tests\Unit\BusinessPlan;

use Tests\TestCase;
use App\User;
use App\Models\UserBusiness;
use App\Models\UserLevel;
use App\Models\UserAccount;
use App\Services\BusinessPlan\BusinessUserItemOptimized;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Carbon\Carbon;
use stdClass;

class BusinessUserItemOptimizedTest extends TestCase
{
    use RefreshDatabase;

    private $dateObj;
    private $businessUserItem;

    protected function setUp(): void
    {
        parent::setUp();
        
        $this->dateObj = new stdClass();
        $this->dateObj->month = 1;
        $this->dateObj->year = 2024;
        $this->dateObj->start_date = '2024-01-01 00:00:00';
        $this->dateObj->end_date = '2024-01-31 23:59:59';
        
        $this->businessUserItem = new BusinessUserItemOptimized($this->dateObj);
    }

    /** @test */
    public function constructor_initializes_properties_correctly()
    {
        $businessUserItem = new BusinessUserItemOptimized($this->dateObj);
        
        $this->assertEquals($this->dateObj, $businessUserItem->__get('date'));
        $this->assertEquals([], $businessUserItem->businessUserItems);
    }

    /** @test */
    public function makeUser_finds_existing_business_user()
    {
        // Create user and existing business data
        $user = User::factory()->create();
        $existingBusiness = UserBusiness::create([
            'user_id' => $user->id,
            'month' => 1,
            'year' => 2024,
            'sales_volume_KP_points' => 100
        ]);

        $this->businessUserItem->makeUser($user->id);
        
        $this->assertEquals($existingBusiness->id, $this->businessUserItem->getBUser()->id);
    }

    /** @test */
    public function makeUser_handles_non_existent_user()
    {
        $this->businessUserItem->makeUser(999);
        
        // Should not throw exception and should handle gracefully
        $this->assertNull($this->businessUserItem->getBUser());
    }

    /** @test */
    public function makeUserFromModel_throws_exception_for_invalid_user()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage('Invalid user model provided');
        
        $invalidUser = new User(); // User without ID
        $this->businessUserItem->makeUserFromModel($invalidUser);
    }

    /** @test */
    public function makeUserFromModel_creates_business_user_from_valid_model()
    {
        // Create user with account and level
        $user = User::factory()->create([
            'm_level' => 1,
            'payment_account' => '2024-01-15',
            'active_date' => '2024-01-01'
        ]);
        
        $account = UserAccount::factory()->create([
            'user_id' => $user->id,
            'first_name' => 'John',
            'last_name' => 'Doe',
            'm_account' => 'TEST123'
        ]);
        
        $userLevel = UserLevel::factory()->create([
            'id' => 1,
            'name' => 'Bronze',
            'pos' => 1,
            'margin' => 10,
            'margin_shop' => 15,
            'qual_kp' => 100,
            'qual_pp' => 200
        ]);

        // Load user with relations
        $userWithRelations = User::with(['account', 'userLevel'])->find($user->id);
        
        $this->businessUserItem->makeUserFromModel($userWithRelations);
        
        $bUser = $this->businessUserItem->getBUser();
        $this->assertNotNull($bUser);
        $this->assertEquals($user->id, $bUser->user_id);
        $this->assertEquals('John', $bUser->first_name);
        $this->assertEquals('Doe', $bUser->last_name);
        $this->assertEquals('Bronze', $bUser->user_level_name);
    }

    /** @test */
    public function addBusinessLinePoints_handles_non_existent_line()
    {
        $user = User::factory()->create();
        $this->businessUserItem->makeUser($user->id);
        
        // This should log a warning but not throw an exception
        $this->businessUserItem->addBusinessLinePoints(1, 100);
        
        // Test passes if no exception is thrown
        $this->assertTrue(true);
    }

    /** @test */
    public function addBusinessLinePoints_adds_points_correctly()
    {
        $user = User::factory()->create();
        $this->businessUserItem->makeUser($user->id);
        
        // First, add a business line
        $obj = new stdClass();
        $obj->points = 50;
        $this->businessUserItem->addBusinessLineToUser(1, $obj);
        
        // Then add more points
        $this->businessUserItem->addBusinessLinePoints(1, 100);
        
        $bUser = $this->businessUserItem->getBUser();
        $this->assertEquals(150, $bUser->business_lines[1]->points);
    }

    /** @test */
    public function addTotalTP_adds_points_with_type_safety()
    {
        $user = User::factory()->create();
        $this->businessUserItem->makeUser($user->id);
        
        $this->businessUserItem->addTotalTP('100.5'); // String should be converted to float
        $this->businessUserItem->addTotalTP(50);
        
        $bUser = $this->businessUserItem->getBUser();
        $this->assertEquals(150.5, $bUser->total_pp);
    }

    /** @test */
    public function isQualKP_returns_correct_boolean()
    {
        $user = User::factory()->create();
        $userLevel = UserLevel::factory()->create([
            'id' => 1,
            'qual_kp' => 100
        ]);
        
        $this->businessUserItem->makeUser($user->id);
        
        // Manually set values for testing
        $bUser = $this->businessUserItem->getBUser();
        $bUser->sales_volume_points_KP_sum = 150;
        $bUser->qual_kp = 100;
        
        $this->assertTrue($this->businessUserItem->isQualKP());
        
        $bUser->sales_volume_points_KP_sum = 50;
        $this->assertFalse($this->businessUserItem->isQualKP());
    }

    /** @test */
    public function getRestQualKP_returns_positive_value_or_zero()
    {
        $user = User::factory()->create();
        $this->businessUserItem->makeUser($user->id);
        
        $bUser = $this->businessUserItem->getBUser();
        $bUser->sales_volume_points_KP_sum = 150;
        $bUser->qual_kp = 100;
        
        $this->assertEquals(50, $this->businessUserItem->getRestQualKP());
        
        $bUser->sales_volume_points_KP_sum = 50;
        $this->assertEquals(0, $this->businessUserItem->getRestQualKP()); // Should not be negative
    }

    /** @test */
    public function getCommissionTotal_calculates_correctly()
    {
        $user = User::factory()->create();
        $this->businessUserItem->makeUser($user->id);
        
        $bUser = $this->businessUserItem->getBUser();
        $bUser->commission_shop_sales = 10.50;
        $bUser->commission_pp_total = 25.75;
        $bUser->commission_growth_total = 15.25;
        
        $total = $this->businessUserItem->getCommissionTotal();
        $this->assertEquals(51.50, $total);
    }

    /** @test */
    public function checkSponsor_handles_user_without_sponsor()
    {
        $user = User::factory()->create(['m_sponsor' => null]);
        $this->businessUserItem->makeUser($user->id);
        
        $this->businessUserItem->checkSponsor($user);
        
        $bUser = $this->businessUserItem->getBUser();
        $this->assertFalse($bUser->sponsor->is_sponsor);
        $this->assertEquals('Keinen Sponsor zugewiesen', $bUser->sponsor->full_name);
    }

    /** @test */
    public function isSave_returns_correct_boolean()
    {
        // New business user item should not be saved
        $this->assertFalse($this->businessUserItem->isSave());
        
        // Create and save a business user
        $user = User::factory()->create();
        $business = UserBusiness::create([
            'user_id' => $user->id,
            'month' => 1,
            'year' => 2024
        ]);
        
        $this->businessUserItem->makeUser($user->id);
        $this->assertTrue($this->businessUserItem->isSave());
    }

    /** @test */
    public function magic_get_method_returns_properties()
    {
        $user = User::factory()->create();
        $this->businessUserItem->makeUser($user->id);
        
        $userId = $this->businessUserItem->__get('user_id');
        $this->assertEquals($user->id, $userId);
        
        $nullValue = $this->businessUserItem->__get('non_existent_property');
        $this->assertNull($nullValue);
    }

    /** @test */
    public function readParentsBusinessUsers_loads_child_users()
    {
        // Create parent user
        $parentUser = User::factory()->create([
            'payment_account' => '2024-01-15',
            'active_date' => '2024-01-01',
            'm_level' => 1
        ]);
        
        // Create child users
        $childUser1 = User::factory()->create([
            'm_sponsor' => $parentUser->id,
            'payment_account' => '2024-01-15',
            'active_date' => '2024-01-01',
            'm_level' => 1
        ]);
        
        $childUser2 = User::factory()->create([
            'm_sponsor' => $parentUser->id,
            'payment_account' => '2024-01-15',
            'active_date' => '2024-01-01',
            'm_level' => 1
        ]);

        // Create accounts for users
        UserAccount::factory()->create(['user_id' => $parentUser->id]);
        UserAccount::factory()->create(['user_id' => $childUser1->id]);
        UserAccount::factory()->create(['user_id' => $childUser2->id]);
        
        $this->businessUserItem->makeUser($parentUser->id);
        $this->businessUserItem->readParentsBusinessUsers();
        
        // Should have loaded 2 child business users
        $this->assertCount(2, $this->businessUserItem->businessUserItems);
    }
}