<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Attributes\Fillable;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Collection;

#[Fillable([
    'flexible_asset_type_id', 'name', 'label', 'field_type',
    'options', 'is_required', 'show_in_list', 'sort_order',
])]
class FlexibleAssetField extends Model
{
    const FIELD_TYPES = ['text', 'textarea', 'password', 'checkbox', 'date', 'tag', 'select', 'related_asset'];

    /**
     * Built-in record lists a "related_asset" field can point to.
     * Keys are stored in options.target; values map to an Organization relation
     * name and the attribute used as the display label.
     */
    const RELATED_TARGETS = [
        'contact' => ['relation' => 'contacts', 'label' => 'full_name'],
        'location' => ['relation' => 'locations', 'label' => 'name'],
        'domain' => ['relation' => 'domains', 'label' => 'name'],
    ];

    protected function casts(): array
    {
        return [
            'options' => 'array',
            'is_required' => 'boolean',
            'show_in_list' => 'boolean',
        ];
    }

    public function type()
    {
        return $this->belongsTo(FlexibleAssetType::class, 'flexible_asset_type_id');
    }

    public function relatedTarget(): ?string
    {
        return $this->options['target'] ?? null;
    }

    /**
     * Records available for this field's related_asset target, scoped to the organization.
     * @return Collection<int, array{id: int, label: string}>
     */
    public function relatedOptions(Organization $organization): Collection
    {
        $target = $this->relatedTarget();

        if (! $target) {
            return collect();
        }

        if (str_starts_with($target, 'flexible_asset:')) {
            $typeId = (int) substr($target, strlen('flexible_asset:'));

            return $organization->flexibleAssets()
                ->where('flexible_asset_type_id', $typeId)
                ->orderBy('name')
                ->get()
                ->map(fn (FlexibleAsset $asset) => ['id' => $asset->id, 'label' => $asset->name]);
        }

        $config = self::RELATED_TARGETS[$target] ?? null;

        if (! $config) {
            return collect();
        }

        return $organization->{$config['relation']}()
            ->orderBy($config['label'] === 'full_name' ? 'last_name' : $config['label'])
            ->get()
            ->map(fn (Model $record) => ['id' => $record->id, 'label' => (string) $record->{$config['label']}]);
    }
}