<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class DomainPricing extends Model
{
    use HasFactory;

    protected $fillable = [
        'type',
        'tld',
        'name',
        'setup_fee',
        'first_year',
        'recurring_fee',
        'note',
        'sort_order',
        'is_active',
    ];

    protected $casts = [
        'is_active' => 'boolean',
        'first_year' => 'integer',
        'sort_order' => 'integer',
    ];

    public function scopeDomains($query)
    {
        return $query->where('type', 'domain');
    }

    public function scopeServices($query)
    {
        return $query->where('type', 'service');
    }

    /** Cast to int when the value is a plain number (e.g. "300000"), otherwise keep as-is (e.g. "Miễn phí"). */
    private static function numericOrString(?string $value): string|int
    {
        return is_numeric($value) ? (int) $value : (string) $value;
    }

    public function orderPrice(int $years): int
    {
        $setupFee = is_numeric($this->setup_fee) ? (int) $this->setup_fee : 0;

        return $setupFee + (int) $this->first_year + (int) $this->recurring_fee * (max(1, $years) - 1);
    }

    public function toDomainArray(): array
    {
        return [
            'tld' => $this->tld,
            'setupFee' => self::numericOrString($this->setup_fee),
            'firstYear' => (int) $this->first_year,
            'renewal' => (int) $this->recurring_fee,
        ];
    }

    public function toServiceArray(): array
    {
        return [
            'name' => $this->name,
            'setupFee' => self::numericOrString($this->setup_fee),
            'maintenance' => self::numericOrString($this->recurring_fee),
            'note' => (string) $this->note,
        ];
    }

    /** Shape consumed by both the client and admin domain-pricing endpoints. */
    public static function toResponseArray(): array
    {
        $rows = static::query()->where('is_active', true)->orderBy('sort_order')->get();

        return [
            'domains' => $rows->where('type', 'domain')->map->toDomainArray()->values()->all(),
            'services' => $rows->where('type', 'service')->map->toServiceArray()->values()->all(),
        ];
    }

    /**
     * Longest-TLD-match lookup used when pricing a domain order.
     *
     * @throws \InvalidArgumentException if no matching TLD is configured
     */
    public static function findByDomain(string $domain): self
    {
        return static::matchDomain($domain)
            ?? throw new \InvalidArgumentException('Tên miền không được hỗ trợ. Vui lòng chọn đuôi tên miền có trong danh sách.');
    }

    public static function matchDomain(string $domain): ?self
    {
        $domain = mb_strtolower(trim($domain));
        $candidates = static::domains()->where('is_active', true)->get()
            ->sortByDesc(fn (self $row) => strlen((string) $row->tld));

        foreach ($candidates as $row) {
            $tld = mb_strtolower(ltrim((string) $row->tld, '.'));
            if ($tld !== '' && str_ends_with($domain, '.' . $tld)) {
                return $row;
            }
        }

        return null;
    }

    public static function yearsForMonths(int $months): int
    {
        return max(1, (int) ceil($months / 12));
    }
}