<?php

namespace App\Module\Mex\AdminControllers\Helper;

use Dcat\Admin\Show;
use App\Module\Mex\Enums\OrderStatus;
use App\Module\Mex\Enums\OrderType;
use App\Module\Mex\Enums\TransactionType;
use App\Module\Mex\Enums\AdminOperationType;

/**
 * Mex模块Show助手类
 * 
 * 提供通用的详情页面字段配置方法
 */
class ShowHelper
{
    protected Show $show;
    protected $controller;

    public function __construct(Show $show, $controller = null)
    {
        $this->show = $show;
        $this->controller = $controller;
    }

    /**
     * 基础字段显示
     */
    public function field(string $field, string $label): Show\Field
    {
        return $this->show->field($field, $label);
    }

    /**
     * 用户ID字段，带链接
     */
    public function fieldUserId(string $field = 'user_id', string $label = '用户ID'): Show\Field
    {
        return $this->show->field($field, $label)->link(function ($value) {
            return admin_url("users/{$value}");
        });
    }

    /**
     * 商品ID字段，带链接
     */
    public function fieldItemId(string $field = 'item_id', string $label = '商品ID'): Show\Field
    {
        return $this->show->field($field, $label)->link(function ($value) {
            return admin_url("game-items/{$value}");
        });
    }

    /**
     * 订单ID字段，带链接
     */
    public function fieldOrderId(string $field, string $label): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) {
            if ($value) {
                return "<a href='" . admin_url("mex-orders/{$value}") . "'>{$value}</a>";
            }
            return '-';
        });
    }

    /**
     * 订单类型字段
     */
    public function fieldOrderType(string $field = 'order_type', string $label = '订单类型'): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) {
            return $value instanceof OrderType ? $value->getDescription() : OrderType::from($value)->getDescription();
        });
    }

    /**
     * 订单状态字段
     */
    public function fieldOrderStatus(string $field = 'status', string $label = '状态'): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) {
            return $value instanceof OrderStatus ? $value->getDescription() : OrderStatus::from($value)->getDescription();
        });
    }

    /**
     * 交易类型字段
     */
    public function fieldTransactionType(string $field = 'transaction_type', string $label = '交易类型'): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) {
            return TransactionType::from($value)->getDescription();
        });
    }

    /**
     * 管理员操作类型字段
     */
    public function fieldAdminOperationType(string $field = 'operation_type', string $label = '操作类型'): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) {
            return AdminOperationType::from($value)->getDescription();
        });
    }

    /**
     * 价格字段，格式化显示
     */
    public function fieldPrice(string $field = 'price', string $label = '价格', int $decimals = 5): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) use ($decimals) {
            return number_format($value, $decimals);
        });
    }

    /**
     * 金额字段，格式化显示
     */
    public function fieldAmount(string $field, string $label, int $decimals = 5): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) use ($decimals) {
            return $value ? number_format($value, $decimals) : '-';
        });
    }

    /**
     * 数量字段，格式化显示
     */
    public function fieldQuantity(string $field = 'quantity', string $label = '数量'): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) {
            return number_format($value);
        });
    }

    /**
     * 布尔值字段
     */
    public function fieldBoolean(string $field, string $label): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) {
            return $value ? '是' : '否';
        });
    }

    /**
     * 启用状态字段
     */
    public function fieldEnabled(string $field = 'is_enabled', string $label = '启用状态'): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) {
            return $value ? '启用' : '禁用';
        });
    }

    /**
     * JSON字段，格式化显示
     */
    public function fieldJson(string $field, string $label): Show\Field
    {
        return $this->show->field($field, $label)->json();
    }

    /**
     * 时间戳字段
     */
    public function fieldTimestamp(string $field, string $label, string $format = 'Y-m-d H:i:s'): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) use ($format) {
            return $value ? date($format, $value) : '-';
        });
    }

    /**
     * 平均价格计算字段
     */
    public function fieldAveragePrice(string $amountField, string $quantityField, string $label): Show\Field
    {
        return $this->show->field($label)->as(function () use ($amountField, $quantityField) {
            $amount = $this->{$amountField};
            $quantity = $this->{$quantityField};
            
            if ($quantity > 0) {
                $avgPrice = bcdiv($amount, $quantity, 5);
                return number_format($avgPrice, 5);
            }
            return '0.00000';
        });
    }

    /**
     * 净值计算字段
     */
    public function fieldNetValue(string $positiveField, string $negativeField, string $label, int $decimals = 5): Show\Field
    {
        return $this->show->field($label)->as(function () use ($positiveField, $negativeField, $decimals) {
            $positive = $this->{$positiveField};
            $negative = $this->{$negativeField};
            
            if (is_numeric($positive) && is_numeric($negative)) {
                $net = bcsub($positive, $negative, $decimals);
                return number_format($net, $decimals);
            }
            return '-';
        });
    }

    /**
     * 百分比字段
     */
    public function fieldPercentage(string $field, string $label, int $decimals = 2): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) use ($decimals) {
            return number_format($value * 100, $decimals) . '%';
        });
    }

    /**
     * 管理员ID字段，带链接
     */
    public function fieldAdminUserId(string $field = 'admin_user_id', string $label = '管理员ID'): Show\Field
    {
        return $this->show->field($field, $label)->as(function ($value) {
            if ($value) {
                return "<a href='" . admin_url("auth/users/{$value}") . "'>{$value}</a>";
            }
            return '-';
        });
    }

    /**
     * 分割线
     */
    public function divider(string $title = ''): void
    {
        $this->show->divider($title);
    }

    /**
     * 面板
     */
    public function panel(string $title, \Closure $callback): void
    {
        $this->show->panel($title, $callback);
    }

    /**
     * 表格
     */
    public function table(string $title, array $headers, \Closure $callback): void
    {
        $this->show->table($title, $headers, $callback);
    }

    /**
     * 文本截断显示
     */
    public function fieldText(string $field, string $label, int $limit = 100): Show\Field
    {
        return $this->show->field($field, $label)->limit($limit);
    }

    /**
     * 链接字段
     */
    public function fieldLink(string $field, string $label, string $urlTemplate): Show\Field
    {
        return $this->show->field($field, $label)->link($urlTemplate);
    }
}