<?php

namespace App\Cron;

use App\User;
use stdClass;
use App\Models\UserBusinessStructure;
use App\Services\BusinessPlan\TreeCalcBotOptimized;
use Psr\Log\LoggerInterface;

class BusinessUsersStoreOptimized
{
    private $month;
    private $year;
    private $user_business_structure;
    private $users_structure = [];
    private $logger;

    public function __construct($month, $year, ?LoggerInterface $logger = null)
    {
        $this->month = $month;
        $this->year = $year;
        $this->logger = $logger ?? app(LoggerInterface::class);
    }

    public function getStoreUserBusinessStructure()
    {
        return UserBusinessStructure::where('year', $this->year)
            ->where('month', $this->month)
            ->first();
    }

    public function storeUserBusinessStructure()
    {
        if ($this->user_business_structure = $this->getStoreUserBusinessStructure()) {
            $this->logger->info("Found existing business structure for {$this->month}/{$this->year}");
            return $this->user_business_structure;
        }

        try {
            $this->logger->info("Creating new business structure for {$this->month}/{$this->year}");
            $startTime = microtime(true);

            // Verwende TreeCalcBotOptimized mit Live-Berechnung für aktuelle Daten
            $treeCalcBot = new TreeCalcBotOptimized($this->month, $this->year, 'admin', true);
            $treeCalcBot->initStructureAdmin(false, true); // forceLiveCalculation = true

            $this->storeStructure($treeCalcBot);

            $endTime = microtime(true);
            $duration = round(($endTime - $startTime) * 1000, 2);
            $this->logger->info("Business structure created in {$duration}ms with " . count($this->users_structure) . " users");
        } catch (\Exception $e) {
            $this->logger->error("Error creating business structure: " . $e->getMessage());
            throw $e;
        }
    }

    public function storeBusinessUsersDetail()
    {
        if (!$this->user_business_structure) {
            $this->user_business_structure = $this->getStoreUserBusinessStructure();
            if (!$this->user_business_structure) {
                throw new \Exception('UserBusinessStructure not found');
            }
        }

        $totalUsers = count($this->user_business_structure->users);
        $processedUsers = 0;

        $this->logger->info("Processing {$totalUsers} business user details");

        foreach ($this->user_business_structure->users as $user_id => $completed) {
            if ($completed === 0) {
                try {
                    $user = User::find($user_id);
                    if ($user) {
                        $this->processBusinessUser($user, $user_id);
                        $processedUsers++;

                        // Log progress every 50 users
                        if ($processedUsers % 50 === 0) {
                            $this->logger->info("Processed {$processedUsers}/{$totalUsers} business users");
                        }
                    } else {
                        $this->logger->warning("User {$user_id} not found, skipping");
                        $this->markUserCompleted($user_id);
                    }
                } catch (\Exception $e) {
                    $this->logger->error("Error processing user {$user_id}: " . $e->getMessage());
                    // Mark as completed to avoid infinite retry loops
                    $this->markUserCompleted($user_id);
                }
            }
        }

        $this->logger->info("Completed processing {$processedUsers} business user details");
    }

    private function processBusinessUser(User $user, int $user_id): void
    {
        try {
            $startTime = microtime(true);

            // Verwende TreeCalcBotOptimized für detaillierte Benutzerberechnung
            $TreeCalcBot = new TreeCalcBotOptimized($this->month, $this->year, 'admin', true);
            $TreeCalcBot->initBusinesslUserDetail($user, true); // forceLiveCalculation = true

            if (!$TreeCalcBot->business_user) {
                throw new \Exception("business_user not found for user {$user_id}");
            }

            $this->storeBusinesslUser($TreeCalcBot->business_user);
            $this->markUserCompleted($user_id);

            $endTime = microtime(true);
            $duration = round(($endTime - $startTime) * 1000, 2);
            $this->logger->debug("Processed user {$user_id} in {$duration}ms");
        } catch (\Exception $e) {
            $this->logger->error("Error in processBusinessUser for {$user_id}: " . $e->getMessage());
            throw $e;
        }
    }

    private function markUserCompleted(int $user_id): void
    {
        $users = $this->user_business_structure->users;
        $users[$user_id] = 1;
        $this->user_business_structure->users = $users;
        $this->user_business_structure->save();
    }

    public function storeBusinesslUser($business_user)
    {
        try {
            $b_user = $business_user->getBUser();
            $b_user->user_items = $this->storeUserItems($business_user->businessUserItems, 1);
            $b_user->b_structure_id = $this->user_business_structure->id;
            $b_user->save();
        } catch (\Exception $e) {
            $this->logger->error("Error storing business user: " . $e->getMessage());
            throw $e;
        }
    }

    public function storeBusinessCompleted()
    {
        if (!$this->user_business_structure) {
            $this->user_business_structure = $this->getStoreUserBusinessStructure();
        }

        $incompleteCount = 0;
        foreach ($this->user_business_structure->users as $user_id => $completed) {
            if ($completed === 0) {
                $incompleteCount++;
            }
        }

        if ($incompleteCount === 0) {
            $this->user_business_structure->completed = 1;
            $this->user_business_structure->save();
            $this->logger->info("Business structure marked as completed");
            return true;
        }

        $this->logger->info("{$incompleteCount} users still incomplete");
        return false;
    }

    private function storeUserItems($userItems, $line)
    {
        $ret = [];

        try {
            foreach ($userItems as $userItem) {
                $temp = null;
                if (count($userItem->businessUserItems) > 0) {
                    $temp = $this->storeUserItems($userItem->businessUserItems, $line + 1);
                }

                $obj = new stdClass();
                $obj->user_id = $userItem->user_id;
                $obj->line = $line;
                $obj->points = $userItem->sales_volume_points_sum ?? 0;
                $obj->parents = $temp;
                $ret[] = $obj;
            }
        } catch (\Exception $e) {
            $this->logger->error("Error storing user items at line {$line}: " . $e->getMessage());
            throw $e;
        }

        return $ret;
    }

    private function storeStructure($treeCalcBot)
    {
        try {
            $structure = [];
            $businessUsers = $treeCalcBot->business_users;

            if (!is_array($businessUsers)) {
                throw new \Exception("business_users is not an array");
            }

            foreach ($businessUsers as $business_user) {
                $structure[] = $this->storeStructureItem($business_user, 0);
            }

            $parentless = [];
            $parentlessUsers = $treeCalcBot->parentless;

            if ($parentlessUsers && is_array($parentlessUsers)) {
                foreach ($parentlessUsers as $pless) {
                    $parentless[] = $this->storeStructureItem($pless, 0);
                }
            }

            $fill = [
                'month' => $this->month,
                'year' => $this->year,
                'structure' => $structure,
                'parentless' => $parentless,
                'users' => $this->users_structure,
                'completed' => false,
                'status' => 0
            ];

            $this->user_business_structure = UserBusinessStructure::create($fill);
            $this->logger->info("Stored structure with " . count($structure) . " root users and " . count($parentless) . " parentless users");

            return $this->user_business_structure;
        } catch (\Exception $e) {
            $this->logger->error("Error storing structure: " . $e->getMessage());
            throw $e;
        }
    }

    private function storeStructureItem($item, $deep)
    {
        try {
            $temp = null;
            if (isset($item->businessUserItems) && is_array($item->businessUserItems)) {
                foreach ($item->businessUserItems as $parent) {
                    $temp[] = $this->storeStructureItem($parent, $deep + 1);
                }
            }

            $this->users_structure[$item->user_id] = 0;

            $obj = new stdClass();
            $obj->user_id = $item->user_id;
            $obj->email = $item->email ?? 'unknown';
            $obj->deep = $deep;
            $obj->parents = $temp;

            return $obj;
        } catch (\Exception $e) {
            $this->logger->error("Error storing structure item for user {$item->user_id}: " . $e->getMessage());
            throw $e;
        }
    }
}