<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Attributes\Fillable;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

#[Fillable(['investigation_id', 'created_by', 'type', 'value', 'notes'])]
class Target extends Model
{
    public const TYPES = ['person', 'domain', 'email', 'username', 'ip', 'org'];

    /**
     * Format validation for the `value` column, per target type.
     * Kept in sync with runners that assume a given shape (e.g.
     * SherlockRunner's username charset check).
     *
     * @return array<int, string>
     */
    public static function valueRulesFor(string $type): array
    {
        return match ($type) {
            'email' => ['required', 'string', 'email', 'max:255'],
            'domain' => ['required', 'string', 'max:255', 'regex:/^([a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}$/'],
            'ip' => ['required', 'ip'],
            'username' => ['required', 'string', 'max:255', 'regex:/^[a-zA-Z0-9._-]+$/'],
            default => ['required', 'string', 'max:255'],
        };
    }

    public function investigation(): BelongsTo
    {
        return $this->belongsTo(Investigation::class);
    }

    public function creator(): BelongsTo
    {
        return $this->belongsTo(User::class, 'created_by');
    }

    public function findings(): HasMany
    {
        return $this->hasMany(Finding::class);
    }
}