<?php

declare(strict_types=1);

namespace App\Http\Resources\FormBuilder;

use App\Models\FormBuilder\FormSchema;
use App\Models\FormBuilder\FormSubmission;
use App\Services\FormBuilder\FieldAccessService;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

/**
 * @mixin FormSchema
 */
final class FormSchemaResource extends JsonResource
{
    /**
     * @return array<string, mixed>
     */
    public function toArray(Request $request): array
    {
        $fieldsCollection = $this->relationLoaded('fields')
            ? $this->fields
            : $this->fields()->get();

        $visible = app(FieldAccessService::class)
            ->filterVisibleFields($request->user(), $fieldsCollection);

        $submissionsCount = $this->whenCounted(
            'submissions',
            default: FormSubmission::query()->where('form_schema_id', $this->id)->count(),
        );

        return [
            'id' => $this->id,
            'organisation_id' => $this->organisation_id,
            'owner_type' => $this->owner_type,
            'owner_id' => $this->owner_id,
            'name' => $this->name,
            'slug' => $this->slug,
            'purpose' => $this->purpose instanceof \BackedEnum ? $this->purpose->value : $this->purpose,
            'description' => $this->description,
            'is_published' => (bool) $this->is_published,
            'submission_mode' => $this->submission_mode instanceof \BackedEnum ? $this->submission_mode->value : $this->submission_mode,
            'locale' => $this->locale,
            'settings' => $this->settings,
            'snapshot_mode' => $this->snapshot_mode instanceof \BackedEnum ? $this->snapshot_mode->value : $this->snapshot_mode,
            'freeze_on_submit' => (bool) $this->freeze_on_submit,
            'retention_days' => $this->retention_days,
            'consent_version' => $this->consent_version,
            'section_level_submit' => (bool) $this->section_level_submit,
            'auto_save_enabled' => (bool) $this->auto_save_enabled,
            'max_submissions' => $this->max_submissions,
            'version' => (int) $this->version,
            'public_token' => $this->public_token,
            'public_token_previous' => $this->public_token_previous,
            'public_token_rotated_at' => optional($this->public_token_rotated_at)->toIso8601String(),
            'submission_deadline' => optional($this->submission_deadline)->toIso8601String(),
            'created_by_user_id' => $this->created_by_user_id,
            'last_updated_by_user_id' => $this->last_updated_by_user_id,
            'edit_lock_user_id' => $this->edit_lock_user_id,
            'edit_lock_expires_at' => optional($this->edit_lock_expires_at)->toIso8601String(),
            'is_locked' => $this->isLocked(),
            'public_form_url' => $this->publicFormUrl(),
            'fields_count' => $fieldsCollection->count(),
            'submissions_count' => $submissionsCount,
            'has_submissions' => is_int($submissionsCount) ? $submissionsCount > 0 : null,
            'fields' => FormFieldResource::collection($visible),
            'sections' => FormSchemaSectionResource::collection(
                $this->relationLoaded('sections') ? $this->sections : $this->sections()->get(),
            ),
            'created_at' => optional($this->created_at)->toIso8601String(),
            'updated_at' => optional($this->updated_at)->toIso8601String(),
        ];
    }

    private function isLocked(): bool
    {
        if ($this->edit_lock_user_id === null || $this->edit_lock_expires_at === null) {
            return false;
        }

        return $this->edit_lock_expires_at->isFuture();
    }

    private function publicFormUrl(): ?string
    {
        if (empty($this->public_token)) {
            return null;
        }

        $base = rtrim((string) config('crewli.portal_url', config('app.url')), '/');

        return $base.'/f/'.$this->public_token;
    }
}