<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class Solution extends Model
{
    use SoftDeletes;

    protected $fillable = [
        'name',
        'slug',
        'power_segment',
        'application',
        'chip_platform',
        'power',
        'summary',
        'advantages',
        'description',
        'cover',
        'status',
        'sort',
        'seo_title',
        'seo_description',
    ];

    public const POWER_SEGMENTS = [
        'lt30'  => '30W 以下',
        '30-65' => '30–65W',
        '65-100' => '65–100W',
        'gt100' => '100W 以上',
    ];

    public const APPLICATIONS = [
        'charger'  => '充电器',
        'powerbank' => '移动电源',
        'car'      => '车载充电',
        'dock'     => '扩展坞 / 多口排插',
    ];

    public const CHIP_PLATFORMS = [
        'protocol'  => '协议芯片',
        'soc'       => '高集成 SoC',
        'rectifier' => '同步整流',
    ];

    public function scopePublished($query)
    {
        return $query->where('status', 'published')->orderBy('sort')->orderBy('name');
    }

    public function powerSegmentLabel(): string
    {
        return self::POWER_SEGMENTS[$this->power_segment] ?? $this->power_segment ?? '—';
    }

    public function applicationLabel(): string
    {
        return self::APPLICATIONS[$this->application] ?? $this->application ?? '—';
    }

    public function chipPlatformLabel(): string
    {
        return self::CHIP_PLATFORMS[$this->chip_platform] ?? $this->chip_platform ?? '—';
    }

    public function advantagesList(): array
    {
        if (! $this->advantages) {
            return [];
        }
        return collect(explode("\n", $this->advantages))
            ->map(fn ($line) => trim($line))
            ->filter()
            ->all();
    }

    public function seoTitle(): string
    {
        return $this->seo_title ?: ($this->name . ' - 深圳市云创芯电子有限公司');
    }

    public function seoDescription(): string
    {
        return $this->seo_description ?: ($this->summary ?: $this->name);
    }
}