<?php

namespace App\Module\Mex\Dto;

use App\Module\Mex\Enums\MexConfigGroup;
use App\Module\Mex\Enums\MexConfigType;
use App\Module\Mex\Models\MexConfig;
use UCore\Dto\BaseDto;

/**
 * Mex配置DTO
 */
class MexConfigDto extends BaseDto
{
    public int $id;
    public string $key;
    public string $name;
    public string $description;
    public MexConfigGroup $group;
    public MexConfigType $type;
    public string $value;
    public ?string $defaultValue;
    public ?array $options;
    public ?string $validationRules;
    public bool $isEnabled;
    public bool $isReadonly;
    public int $sortOrder;
    public ?string $remark;
    public string $createdAt;
    public string $updatedAt;

    // 计算属性
    public string $groupLabel;
    public string $typeLabel;
    public string $statusLabel;
    public string $displayValue;
    public mixed $typedValue;

    /**
     * 从模型创建DTO
     *
     * @param MexConfig $config
     * @return static
     */
    public static function fromModel(MexConfig $config): static
    {
        $dto = new static();
        
        $dto->id = $config->id;
        $dto->key = $config->key;
        $dto->name = $config->name;
        $dto->description = $config->description;
        $dto->group = $config->group;
        $dto->type = $config->type;
        $dto->value = $config->value;
        $dto->defaultValue = $config->default_value;
        $dto->options = $config->options;
        $dto->validationRules = $config->validation_rules;
        $dto->isEnabled = $config->is_enabled;
        $dto->isReadonly = $config->is_readonly;
        $dto->sortOrder = $config->sort_order;
        $dto->remark = $config->remark;
        $dto->createdAt = $config->created_at->format('Y-m-d H:i:s');
        $dto->updatedAt = $config->updated_at->format('Y-m-d H:i:s');

        // 计算属性
        $dto->groupLabel = $config->group_label;
        $dto->typeLabel = $config->type_label;
        $dto->statusLabel = $config->status_label;
        $dto->displayValue = $config->getDisplayValue();
        $dto->typedValue = $config->getTypedValue();

        return $dto;
    }

    /**
     * 转换为数组（用于API响应）
     *
     * @return array
     */
    public function toArray(): array
    {
        return [
            'id' => $this->id,
            'key' => $this->key,
            'name' => $this->name,
            'description' => $this->description,
            'group' => $this->group->value,
            'group_label' => $this->groupLabel,
            'type' => $this->type->value,
            'type_label' => $this->typeLabel,
            'value' => $this->value,
            'default_value' => $this->defaultValue,
            'options' => $this->options,
            'validation_rules' => $this->validationRules,
            'is_enabled' => $this->isEnabled,
            'is_readonly' => $this->isReadonly,
            'sort_order' => $this->sortOrder,
            'remark' => $this->remark,
            'status_label' => $this->statusLabel,
            'display_value' => $this->displayValue,
            'typed_value' => $this->typedValue,
            'created_at' => $this->createdAt,
            'updated_at' => $this->updatedAt,
        ];
    }

    /**
     * 转换为简化数组（用于配置列表）
     *
     * @return array
     */
    public function toSimpleArray(): array
    {
        return [
            'key' => $this->key,
            'name' => $this->name,
            'value' => $this->typedValue,
            'type' => $this->type->value,
            'group' => $this->group->value,
            'is_enabled' => $this->isEnabled,
        ];
    }

    /**
     * 检查配置是否可编辑
     *
     * @return bool
     */
    public function isEditable(): bool
    {
        return !$this->isReadonly;
    }

    /**
     * 检查配置是否有效
     *
     * @return bool
     */
    public function isValid(): bool
    {
        return $this->type->validateValue($this->value);
    }

    /**
     * 获取配置的帮助信息
     *
     * @return array
     */
    public function getHelpInfo(): array
    {
        return [
            'type_help' => $this->getTypeHelp(),
            'validation_help' => $this->getValidationHelp(),
            'options_help' => $this->getOptionsHelp(),
        ];
    }

    /**
     * 获取类型帮助信息
     *
     * @return string
     */
    private function getTypeHelp(): string
    {
        return match ($this->type) {
            MexConfigType::BOOLEAN => '布尔值：true/false 或 1/0',
            MexConfigType::INTEGER => '整数：如 123',
            MexConfigType::DECIMAL => '小数：如 123.45',
            MexConfigType::STRING => '字符串：任意文本',
            MexConfigType::JSON => 'JSON格式：如 {"key": "value"}',
            MexConfigType::ARRAY => '数组格式：如 ["item1", "item2"]',
        };
    }

    /**
     * 获取验证帮助信息
     *
     * @return string
     */
    private function getValidationHelp(): string
    {
        if (empty($this->validationRules)) {
            return '无特殊验证规则';
        }

        return $this->validationRules;
    }

    /**
     * 获取选项帮助信息
     *
     * @return string
     */
    private function getOptionsHelp(): string
    {
        if (empty($this->options)) {
            return '无预设选项';
        }

        if (isset($this->options['enum'])) {
            return '可选值：' . implode(', ', $this->options['enum']);
        }

        if (isset($this->options['range'])) {
            return '取值范围：' . $this->options['range']['min'] . ' - ' . $this->options['range']['max'];
        }

        return '参考选项：' . json_encode($this->options, JSON_UNESCAPED_UNICODE);
    }
}