<?php
declare(strict_types=1);

namespace app\common;

/**
 * 展台默认配置（库表为空时写入 kiosk_kv 等）。
 * 天文知识库不在此注入演示数据，条目仅通过管理端同步或 API 写入。
 */
class KioskDefaults
{
    public const KEY_HOME_BG     = 'home_backgrounds';
    public const KEY_CAROUSEL_BG = 'carousel_backgrounds';
    public const KEY_WELCOME     = 'welcome';
    public const KEY_GUIDE       = 'guide';
    public const KEY_VIDEO_SOURCE = 'video_source';

    public static function homeBackgrounds(): array
    {
        return [
            '/backgrounds/daocheng-radio-array.png',
            '/backgrounds/daocheng-campus-aerial.png',
        ];
    }

    /** 与前端 kioskStorage DEFAULT_CAROUSEL_BG_URLS 一致 */
    public static function carouselBackgrounds(): array
    {
        return [
            'https://images.unsplash.com/photo-1419242902214-272b3f66ee7a?auto=format&fit=crop&w=1920&q=80',
            'https://images.unsplash.com/photo-1462331940025-496dfbfc7564?auto=format&fit=crop&w=1920&q=80',
            'https://images.unsplash.com/photo-1543722530-d2c3201371e7?auto=format&fit=crop&w=1920&q=80',
            'https://images.unsplash.com/photo-1444703686971-f7864ae02629?auto=format&fit=crop&w=1920&q=80',
            'https://images.unsplash.com/photo-1506905925346-21bda4d32df4?auto=format&fit=crop&w=1920&q=80',
            'https://images.unsplash.com/photo-1464802686167-b939a6910659?auto=format&fit=crop&w=1920&q=80',
        ];
    }

    /** 与前端 VideoSourceConfig 一致 */
    public static function videoSource(): array
    {
        return [
            'protocol' => 'HLS',
            'url'      => '',
            'note'     => '',
        ];
    }

    public static function welcome(): array
    {
        return [
            'zh-CN' => '欢迎来到稻城天文台信息查询',
            'en'    => 'Welcome to the Daocheng Observatory Information Query',
            'bo'    => 'འདབ་ཆུ་གནམ་གཟིགས་ལྟེ་གནས་ཀྱི་ཆ་འཕྲིན་འཚོལ་ཞིབ་ལ་ཕེབས་པར་དགའ་བསུ་ཞུ།',
        ];
    }

    /** GuideOverrides 形状 */
    public static function guide(): array
    {
        return [];
    }

    /** @return list<array<string, mixed>> 空数组：不在安装时写入演示知识条目 */
    public static function knowledge(): array
    {
        return [];
    }

    public static function observatoryHistory(): array
    {
        return [
            ['kind' => '图集', 'title' => '稻城台址建设与首光纪实', 'summary' => '记录望远镜安装、调试与首次科学成像的历史影像与说明文字。', 'date_str' => '2024-11', 'thumb' => 'https://images.unsplash.com/photo-1419242902214-272b3f66ee7a?auto=format&fit=crop&w=640&q=80'],
            ['kind' => '文献', 'title' => '高原天文观测环境白皮书', 'summary' => '台址气象、视宁度与设备运维要点，供公众与科研人员查阅。', 'date_str' => '2025-03', 'thumb' => 'https://images.unsplash.com/photo-1462331940025-496dfbfc7564?auto=format&fit=crop&w=640&q=80'],
            ['kind' => '图集', 'title' => '深空天体公众开放夜精选', 'summary' => '历次开放观测活动中拍摄的星云、星团等代表性科普图片与配文。', 'date_str' => '2025-08', 'thumb' => 'https://images.unsplash.com/photo-1506905925346-21bda4d32df4?auto=format&fit=crop&w=640&q=80'],
            ['kind' => '图集', 'title' => '射电阵列与光学望远镜协同', 'summary' => '多波段联合观测示意图、现场工作照及技术解读。', 'date_str' => '2026-01', 'thumb' => 'https://images.unsplash.com/photo-1464802686167-b939a6910659?auto=format&fit=crop&w=640&q=80'],
        ];
    }

    public static function realtimeImages(): array
    {
        return [
            ['name' => 'M42 猎户座大星云', 'time_str' => '2026-03-27 20:15:32', 'telescope' => '2.5米主镜', 'exposure' => '300秒', 'image_url' => 'https://images.unsplash.com/photo-1628632642012-290ae1f4b1ac?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&w=1200'],
            ['name' => 'NGC 7293 螺旋星云', 'time_str' => '2026-03-27 21:30:45', 'telescope' => '1.8米副镜', 'exposure' => '450秒', 'image_url' => 'https://images.unsplash.com/photo-1631594274394-279ab758c1ed?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&w=1200'],
            ['name' => '木星及其卫星系统', 'time_str' => '2026-03-27 22:05:18', 'telescope' => '0.5米行星镜', 'exposure' => '0.1秒', 'image_url' => 'https://images.unsplash.com/photo-1615653058464-841639bb85ba?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&w=1200'],
        ];
    }

    public static function observationStatus(): array
    {
        return [
            'weather_label' => '晴朗',
            'seeing'        => '0.8" (优秀)',
            'transparency'  => '95%',
            'moon_phase'    => '下弦月 45%',
        ];
    }

    public static function observationDaily(): array
    {
        return [
            ['record_date' => '2026-03-27', 'observations' => 45, 'quality' => '优秀', 'weather' => '晴朗'],
            ['record_date' => '2026-03-26', 'observations' => 38, 'quality' => '良好', 'weather' => '多云'],
            ['record_date' => '2026-03-25', 'observations' => 52, 'quality' => '优秀', 'weather' => '晴朗'],
            ['record_date' => '2026-03-24', 'observations' => 28, 'quality' => '一般', 'weather' => '薄云'],
            ['record_date' => '2026-03-23', 'observations' => 0, 'quality' => '-', 'weather' => '阴天'],
            ['record_date' => '2026-03-22', 'observations' => 41, 'quality' => '良好', 'weather' => '晴朗'],
            ['record_date' => '2026-03-21', 'observations' => 63, 'quality' => '优秀', 'weather' => '晴朗'],
        ];
    }
}