<?php

namespace App\Module\Game\Models;

use App\Module\Game\Enums\CONSUME_TYPE;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use UCore\ModelCore;

/**
 * 消耗项
 *
 * field start 
 * @property  int  $id  主键
 * @property  int  $group_id  消耗组ID，外键关联game_consume_groups表
 * @property  int  $consume_type  消耗类型（1:物品, 2:货币）
 * @property  int  $target_id  目标ID（物品ID、货币ID等，根据consume_type解释）
 * @property  int  $param1  参数1（根据consume_type不同含义，如物品的品质、货币的来源等）
 * @property  int  $param2  参数2（根据consume_type不同含义，如物品的绑定状态、货币的类型等）
 * @property  int  $quantity  数量
 * @property  array  $extra_data  额外数据（JSON格式，可存储特定消耗类型的额外参数）
 * @property  \Carbon\Carbon  $created_at  创建时间
 * @property  \Carbon\Carbon  $updated_at  更新时间
 * field end
 */
class GameConsumeItem extends ModelCore
{
    /**
     * 与模型关联的表名
     *
     * @var string
     */
    protected $table = 'game_consume_items';

    // attrlist start 
    protected $fillable = [
        'id',
        'group_id',
        'consume_type',
        'target_id',
        'param1',
        'param2',
        'quantity',
        'extra_data',
    ];
    // attrlist end

    /**
     * 应该被转换为原生类型的属性
     *
     * @var array
     */
    protected $casts = [
        'consume_type' => 'integer',
        'target_id' => 'integer',
        'param1' => 'integer',
        'param2' => 'integer',
        'quantity' => 'integer',
        'extra_data' => 'json',
    ];

    /**
     * 获取消耗项所属的消耗组
     *
     * @return BelongsTo
     */
    public function consumeGroup(): BelongsTo
    {
        return $this->belongsTo(GameConsumeGroup::class, 'group_id', 'id');
    }

    /**
     * 获取消耗项名称（访问器）
     *
     * @return string
     */
    public function getNameAttribute(): string
    {
        return $this->getTargetName();
    }

    /**
     * 获取目标名称
     *
     * @return string
     */
    public function getTargetName(): string
    {
        switch ($this->consume_type) {
            case CONSUME_TYPE::ITEM->value:
                try {
                    $itemModel = \App\Module\GameItems\Models\Item::find($this->target_id);
                    return $itemModel ? $itemModel->name : "物品 (ID: {$this->target_id})";
                } catch (\Exception $e) {
                    return "物品 (ID: {$this->target_id})";
                }

            case CONSUME_TYPE::CURRENCY->value:
                try {
                    $currency = \App\Module\Fund\Models\FundCurrencyModel::find($this->target_id);
                    return $currency ? $currency->name : "货币 (ID: {$this->target_id})";
                } catch (\Exception $e) {
                    return "货币 (ID: {$this->target_id})";
                }

            case CONSUME_TYPE::FUND_CONFIG->value:
                try {
                    $fund = \App\Module\Fund\Models\FundConfigModel::find($this->target_id);
                    return $fund ? $fund->name : "账户种类 (ID: {$this->target_id})";
                } catch (\Exception $e) {
                    return "账户种类 (ID: {$this->target_id})";
                }

            case CONSUME_TYPE::FUND_CONFIGS->value:
                try {
                    $names = [];

                    // 获取主账户种类名称
                    if ($this->target_id > 0) {
                        $fund = \App\Module\Fund\Models\FundConfigModel::find($this->target_id);
                        $names[] = $fund ? $fund->name : "账户种类 (ID: {$this->target_id})";
                    }

                    // 获取额外账户种类名称
                    if (!empty($this->extra_data) && is_array($this->extra_data) &&
                        isset($this->extra_data['fund_config_ids']) && is_array($this->extra_data['fund_config_ids'])) {
                        foreach ($this->extra_data['fund_config_ids'] as $id) {
                            if (is_numeric($id) && $id > 0 && $id != $this->target_id) {
                                $fund = \App\Module\Fund\Models\FundConfigModel::find($id);
                                $names[] = $fund ? $fund->name : "账户种类 (ID: {$id})";
                            }
                        }
                    }

                    return empty($names) ? "多账户种类 (未配置)" : "多账户种类: " . implode(', ', $names);
                } catch (\Exception $e) {
                    return "多账户种类 (ID: {$this->target_id})";
                }

            default:
                return "未知消耗类型 (ID: {$this->target_id})";
        }
    }

    /**
     * 转换为 Deduct protobuf 对象
     *
     * @return \Uraus\Kku\Common\Deduct
     */
    public function toDeductObject(): \Uraus\Kku\Common\Deduct
    {
        $deduct = new \Uraus\Kku\Common\Deduct();

        switch ($this->consume_type) {
            case CONSUME_TYPE::ITEM->value:
                // 创建物品扣除对象
                $deductItem = new \Uraus\Kku\Common\DeductItem([
                    'item_id' => $this->target_id,
                    'instance_id' => 0, // 默认为0，表示不指定实例
                    'quantity' => $this->quantity,
                ]);
                $deduct->setItems([$deductItem]);
                break;

            case CONSUME_TYPE::CURRENCY->value:
            case CONSUME_TYPE::FUND_CONFIG->value:
                // 创建代币扣除对象
                $deductCoin = new \Uraus\Kku\Common\DeductCoin([
                    'type' => $this->target_id,
                    'quantity' => $this->quantity,
                ]);
                $deduct->setCoins([$deductCoin]);
                break;

            case CONSUME_TYPE::FUND_CONFIGS->value:
                // 创建多个代币扣除对象
                $deductCoins = [];

                // 获取账户种类ID列表
                $fundConfigIds = [];
                if ($this->target_id > 0) {
                    $fundConfigIds[] = $this->target_id;
                }

                if (!empty($this->extra_data) && is_array($this->extra_data) &&
                    isset($this->extra_data['fund_config_ids']) && is_array($this->extra_data['fund_config_ids'])) {
                    foreach ($this->extra_data['fund_config_ids'] as $id) {
                        if (is_numeric($id) && $id > 0 && !in_array($id, $fundConfigIds)) {
                            $fundConfigIds[] = (int)$id;
                        }
                    }
                }

                // 为每个账户种类创建扣除对象
                foreach ($fundConfigIds as $fundConfigId) {
                    $deductCoins[] = new \Uraus\Kku\Common\DeductCoin([
                        'type' => $fundConfigId,
                        'quantity' => $this->quantity, // 注意：这里是总量，实际扣除时会按顺序分配
                    ]);
                }

                $deduct->setCoins($deductCoins);
                break;
        }

        return $deduct;
    }
}