<?php

namespace App\Module\Farm\Services;

use App\Module\Farm\Dtos\LandInfoDto;
use App\Module\Farm\Logics\LandLogic;
use App\Module\Farm\Models\FarmLand;
use App\Module\Farm\Models\FarmLandUpgradeConfig;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Log;

/**
 * 土地管理服务
 */
class LandService
{
    /**
     * 获取用户的所有土地
     *
     * @param int $userId
     * @return Collection|LandInfoDto[]
     */
    public static function getUserLands(int $userId): Collection
    {
        try {
            $landLogic = new LandLogic();
            return $landLogic->getUserLands($userId);
        } catch (\Exception $e) {
            Log::error('获取用户土地失败', [
                'user_id' => $userId,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return collect();
        }
    }


    /**
     * 根据土地ID获取土地信息
     *
     * @param int $landId 土地ID
     * @return LandInfoDto|null
     */
    public static function getLandById(int $landId): ?LandInfoDto
    {
        try {
            $land = FarmLand::find($landId);

            if (!$land) {
                return null;
            }

            return LandInfoDto::fromModel($land);
        } catch (\Exception $e) {
            Log::error('根据ID获取土地信息失败', [
                'land_id' => $landId,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return null;
        }
    }

    /**
     * 根据用户id和土地id获取土地信息
     *
     * @param int $userId 用户ID
     * @param int $landId 土地ID
     * @return LandInfoDto|null
     */
    public static function getUserLand(int $userId, int $landId): ?LandInfoDto
    {
        try {
            $land = FarmLand::where('user_id', $userId)
                ->where('id', $landId)
                ->first();

            if (!$land) {
                return null;
            }

            return LandInfoDto::fromModel($land);
        } catch (\Exception $e) {
            Log::error('获取用户土地信息失败', [
                'user_id' => $userId,
                'land_id' => $landId,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return null;
        }
    }

    /**
     * 获取用户指定位置的土地
     *
     * @param int $userId
     * @param int $position
     * @return LandInfoDto|null
     */
    public static function getUserLandByPosition(int $userId, int $position): ?LandInfoDto
    {
        try {
            $landLogic = new LandLogic();
            return $landLogic->getUserLandByPosition($userId, $position);
        } catch (\Exception $e) {
            Log::error('获取用户指定位置土地失败', [
                'user_id' => $userId,
                'position' => $position,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return null;
        }
    }

    /**
     * 升级土地
     *
     * @param int $userId
     * @param int $landId
     * @param int $targetType
     * @return bool
     */
    public static function upgradeLand(int $userId, int $landId, int $targetType ): bool
    {
        try {
            $landLogic = new LandLogic();
            return $landLogic->upgradeLand($userId, $landId, $targetType);
        } catch (\Exception $e) {
            Log::error('升级土地失败', [
                'user_id' => $userId,
                'land_id' => $landId,
                'target_type' => $targetType,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return false;
        }
    }

    /**
     * 获取可用的升级路径
     *
     * @param int $userId 用户ID
     * @param int $landId 土地ID
     * @param int|null $toType 目标土地类型ID（可选）
     * @return FarmLandUpgradeConfig[]
     */
    public static function getAvailableUpgradePaths(int $userId, int $landId, ?int $toType = null): array
    {
        try {
            $landLogic = new LandLogic();
            return $landLogic->getAvailableUpgradePaths($userId, $landId, $toType);
        } catch (\Exception $e) {
            Log::error('获取可用升级路径失败', [
                'user_id' => $userId,
                'land_id' => $landId,
                'to_type' => $toType,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return [];
        }
    }

    /**
     * 获取用户所有可收获的土地
     *
     * @param int $userId 用户ID
     * @return Collection|LandInfoDto[]
     */
    public static function getHarvestableLands(int $userId): Collection
    {
        try {
            $landLogic = new LandLogic();
            return $landLogic->getHarvestableLands($userId);
        } catch (\Exception $e) {
            Log::error('获取可收获土地失败', [
                'user_id' => $userId,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return collect();
        }
    }

    /**
     * 获取用户所有空闲的土地
     *
     * @param int $userId 用户ID
     * @return Collection|LandInfoDto[]
     */
    public static function getIdleLands(int $userId): Collection
    {
        try {
            $landLogic = new LandLogic();
            return $landLogic->getIdleLands($userId);
        } catch (\Exception $e) {
            Log::error('获取空闲土地失败', [
                'user_id' => $userId,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return collect();
        }
    }

    /**
     * 获取用户所有有作物的土地
     *
     * @param int $userId 用户ID
     * @return Collection|LandInfoDto[]
     */
    public static function getLandsWithCrops(int $userId): Collection
    {
        try {
            $landLogic = new LandLogic();
            return $landLogic->getLandsWithCrops($userId);
        } catch (\Exception $e) {
            Log::error('获取有作物的土地失败', [
                'user_id' => $userId,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return collect();
        }
    }
}