<?php

namespace App\Module\Farm\Commands;

use App\Module\Farm\Logics\HouseLogic;
use App\Module\Farm\Logics\LandLogic;
use App\Module\Farm\Models\FarmLand;
use App\Module\Farm\Models\FarmUser;
use App\Module\Farm\Enums\LAND_TYPE;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;

class InitializeUserLandsCommand extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'farm:initialize-user-lands {--user_id= : 指定用户ID，不指定则处理所有用户}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = '根据用户房屋等级初始化用户的土地';

    /**
     * Execute the console command.
     */
    public function handle()
    {
        $this->info('开始初始化用户土地...');

        // 获取用户ID参数
        $userId = $this->option('user_id');

        // 创建逻辑类实例
        $houseLogic = new HouseLogic();
        $landLogic = new LandLogic();

        try {
            // 根据是否指定用户ID获取用户列表
            if ($userId) {
                $users = FarmUser::where('user_id', $userId)->get();
                $this->info("处理指定用户 ID: {$userId}");
            } else {
                $users = FarmUser::all();
                $this->info("处理所有用户，共 " . $users->count() . " 个用户");
            }

            $bar = $this->output->createProgressBar($users->count());
            $bar->start();

            $totalCreated = 0;
            $totalUsers = 0;

            foreach ($users as $user) {
                $userId = $user->user_id;
                $houseLevel = $user->house_level;

                // 获取该等级房屋可用的土地数量
                $availableLands = $houseLogic->getAvailableLandsCount($houseLevel);

                // 获取用户当前的土地
                $userLands = FarmLand::where('user_id', $userId)->get();
                $currentLandsCount = $userLands->count();

                // 如果当前土地数量小于可用土地数量，需要创建新土地
                if ($currentLandsCount < $availableLands) {
                    $landsToAdd = $availableLands - $currentLandsCount;

                    // 获取已使用的位置
                    $usedPositions = $userLands->pluck('position')->toArray();

                    // 开始创建新土地
                    DB::beginTransaction();

                    try {
                        // 从位置1开始，找到未使用的位置创建土地
                        $position = 1;
                        $createdCount = 0;

                        while ($createdCount < $landsToAdd) {
                            // 如果位置未被使用，创建新土地
                            if (!in_array($position, $usedPositions)) {
                                $land = $landLogic->createLand($userId, $position, LAND_TYPE::NORMAL->value);

                                if ($land) {
                                    $createdCount++;
                                    $totalCreated++;
                                }
                            }

                            $position++;

                            // 防止无限循环
                            if ($position > 100) {
                                $this->warn("用户 {$userId} 创建土地时达到最大位置限制");
                                break;
                            }
                        }

                        DB::commit();

                        if ($createdCount > 0) {
                            $totalUsers++;
                        }
                    } catch (\Exception $e) {
                        DB::rollBack();
                        $this->error("用户 {$userId} 创建土地失败: " . $e->getMessage());
                        Log::error('初始化用户土地失败', [
                            'user_id' => $userId,
                            'error' => $e->getMessage(),
                            'trace' => $e->getTraceAsString()
                        ]);
                    }
                }

                $bar->advance();
            }

            $bar->finish();
            $this->newLine(2);

            $this->info("初始化完成！共为 {$totalUsers} 个用户创建了 {$totalCreated} 块土地。");

        } catch (\Exception $e) {
            $this->error('初始化用户土地失败: ' . $e->getMessage());
            Log::error('初始化用户土地失败', [
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            return 1;
        }

        return 0;
    }
}