<?php

namespace app\flow\config;

/**
 * 晨洗配置类
 */
class MorningWashConfig extends AbstractConfig
{
    public MorningMode $mode {
        get => $this->mode;
        set => $this->mode = $value;
    }

    public int $storageThreshold {
        get => $this->storageThreshold;
        set => $this->storageThreshold = $value;
    }

    public string $morningStartTime {
        get => $this->morningStartTime;
        set => $this->morningStartTime = $value;
    }

    /**
     * 扩展字段：存储除已知字段（mode / storage_threshold / morning_start_time）之外的原始字段
     * 以及业务侧自定义扩展字段（如 specific_types 等）
     */
    public array $expand {
        get => $this->expand;
    }

    public function __construct(
        MorningMode $mode             = MorningMode::DailyFirst,
        int         $storageThreshold = 4,
        string      $morningStartTime = '00:00:00',
        array       $expand           = []
    ) {
        $this->mode             = $mode;
        $this->storageThreshold = $storageThreshold;
        $this->morningStartTime = $morningStartTime;
        $this->expand           = $expand;
    }

    /**
     * 从数组创建
     * 已知字段直接映射到具体属性，其余字段（含原始字段）存入 expand
     */
    public static function create(array $config = []): self
    {
        // mode 支持字符串（兼容旧配置文件）
        $mode = $config['mode'] ?? MorningMode::DailyFirst;
        if (is_string($mode)) {
            $mode = MorningMode::from_name($mode) ?? MorningMode::DailyFirst;
        }

        $known  = ['mode', 'storage_threshold', 'morning_start_time'];
        $expand = array_diff_key($config, array_flip($known));
        // 把原始 config 整体也保留在 expand['_raw'] 里，便于下游无损访问
        $expand['_raw'] = $config;

        $instance = new self(
            $mode,
            $config['storage_threshold']  ?? 4,
            $config['morning_start_time'] ?? '00:00:00',
            $expand
        );
        $instance->log("加载[morning_wash]晨洗配置，来源: {}", [empty($config) ? "默认配置" : "自定义配置"]);
        return $instance;
    }

    /**
     * 获取扩展字段值（如 specific_types）
     */
    public function getExpand(string $key, mixed $default = null): mixed
    {
        return $this->expand[$key] ?? $default;
    }

    public function toArray(): array
    {
        return array_merge([
            'mode'               => $this->mode->name,
            'storage_threshold'  => $this->storageThreshold,
            'morning_start_time' => $this->morningStartTime,
        ], array_diff_key($this->expand, ['_raw' => null]));
    }
}