<?php

declare(strict_types=1);

namespace App\Http\Resources\FormBuilder;

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

/**
 * @mixin FormSubmission
 */
final class FormSubmissionResource extends JsonResource
{
    /**
     * @return array<string, mixed>
     */
    public function toArray(Request $request): array
    {
        $this->resource->loadMissing(['values.field', 'sectionStatuses', 'delegations']);

        $fieldAccess = app(FieldAccessService::class);
        $fields = $this->values->map(fn ($v) => $v->field)->filter();
        $visibleFieldIds = $fieldAccess
            ->filterVisibleFields($request->user(), $fields, $this->resource)
            ->pluck('id')
            ->all();

        $values = [];
        foreach ($this->values as $value) {
            if ($value->field === null) {
                continue;
            }
            if (! in_array($value->field->id, $visibleFieldIds, true)) {
                continue;
            }
            $values[$value->field->slug] = [
                'value' => $value->value,
                'value_anonymised' => (bool) $value->value_anonymised,
            ];
        }

        return [
            'id' => $this->id,
            'form_schema_id' => $this->form_schema_id,
            'subject_type' => $this->subject_type,
            'subject_id' => $this->subject_id,
            'submitted_by_user_id' => $this->submitted_by_user_id,
            'public_submitter_name' => $this->public_submitter_name,
            'public_submitter_email' => $this->public_submitter_email,
            'status' => $this->status instanceof \BackedEnum ? $this->status->value : $this->status,
            'review_status' => $this->review_status instanceof \BackedEnum ? $this->review_status->value : $this->review_status,
            'review_info' => $this->when($this->reviewed_at !== null, fn () => [
                'reviewed_by_user_id' => $this->reviewed_by_user_id,
                'reviewed_at' => optional($this->reviewed_at)->toIso8601String(),
                'notes' => $this->review_notes,
            ]),
            'submitted_at' => optional($this->submitted_at)->toIso8601String(),
            'schema_version_at_submit' => $this->schema_version_at_submit,
            'submitted_in_locale' => $this->submitted_in_locale,
            'opened_at' => optional($this->opened_at)->toIso8601String(),
            'first_interacted_at' => optional($this->first_interacted_at)->toIso8601String(),
            'submission_duration_seconds' => $this->submission_duration_seconds,
            'is_test' => (bool) $this->is_test,
            'identity_match' => $this->identity_match_status !== null && $this->identity_match_status !== ''
                ? ['status' => $this->identity_match_status instanceof \BackedEnum
                    ? $this->identity_match_status->value
                    : (string) $this->identity_match_status]
                : null,
            'values' => $values,
            'section_statuses' => $this->sectionStatuses->map(fn ($s) => [
                'form_schema_section_id' => $s->form_schema_section_id,
                'status' => $s->status,
                'submitted_at' => optional($s->submitted_at)->toIso8601String(),
                'reviewed_at' => optional($s->reviewed_at)->toIso8601String(),
            ])->all(),
            'delegations' => $this->delegations
                ->filter(fn ($d) => $d->revoked_at === null)
                ->map(fn ($d) => [
                    'id' => $d->id,
                    'delegated_to_user_id' => $d->delegated_to_user_id,
                    'delegated_by_user_id' => $d->delegated_by_user_id,
                    'granted_at' => optional($d->granted_at)->toIso8601String(),
                    'message' => $d->message,
                ])->values()->all(),
            'created_at' => optional($this->created_at)->toIso8601String(),
            'updated_at' => optional($this->updated_at)->toIso8601String(),
        ];
    }
}