<?php

declare(strict_types=1);

namespace Database\Seeders;

use App\Enums\FormBuilder\FormFieldType;
use App\Enums\FormBuilder\FormPurpose;
use App\Enums\FormBuilder\FormSchemaSnapshotMode;
use App\Enums\FormBuilder\FormSubmissionMode;
use App\Enums\FormBuilder\FormSubmissionStatus;
use App\Enums\FormBuilder\FormValueStorageHint;
use App\Models\Event;
use App\Models\FormBuilder\FormField;
use App\Models\FormBuilder\FormSchema;
use App\Models\FormBuilder\FormSubmission;
use App\Models\FormBuilder\FormTemplate;
use App\Models\FormBuilder\FormValue;
use App\Models\Organisation;
use App\Models\Person;
use Illuminate\Support\Str;

/**
 * Seeds the form-builder layer for DevSeeder: 16 system form_templates per
 * org, one FormSchema per event, the canonical 16-field registration set,
 * and a realistic batch of FormSubmissions for approved/applied/no_show
 * persons (same rule as the forms:migrate-legacy-data command).
 *
 * Callers MUST wrap this in ActivityLog::suppressed() — every field create
 * would otherwise fire a logFieldChange("created") entry.
 */
final class FormBuilderDevSeeder
{
    /**
     * 16 canonical registration fields mirroring the legacy system templates.
     * Used by both seedSystemTemplates() and seedEventSchema() so the shape
     * stays aligned.
     *
     * @return list<array<string, mixed>>
     */
    public static function canonicalFields(): array
    {
        return [
            ['type' => FormFieldType::HEADING, 'slug' => 'persoonlijke-voorkeuren', 'label' => 'Persoonlijke voorkeuren', 'help_text' => 'Vertel ons wat we over jou moeten weten', 'display_width' => 'full'],
            ['type' => FormFieldType::SELECT, 'slug' => 'shirtmaat', 'label' => 'Shirtmaat', 'options' => ['XS', 'S', 'M', 'L', 'XL', 'XXL', 'XXXL'], 'is_filterable' => true, 'display_width' => 'half'],
            ['type' => FormFieldType::MULTISELECT, 'slug' => 'dieetwensen', 'label' => 'Dieetwensen', 'options' => ['Vegetarisch', 'Veganistisch', 'Halal', 'Glutenvrij', 'Lactosevrij', "Geen pinda's", 'Geen noten'], 'is_filterable' => true, 'display_width' => 'half'],
            ['type' => FormFieldType::HEADING, 'slug' => 'vergoeding', 'label' => 'Vergoeding', 'help_text' => 'Kies hoe je wilt worden bedankt voor je inzet', 'display_width' => 'full'],
            ['type' => FormFieldType::RADIO, 'slug' => 'vergoedingstype', 'label' => 'Vergoedingstype', 'options' => [
                ['label' => 'Pro Deo', 'description' => 'Je werkt als vrijwilliger zonder financiële vergoeding'],
                ['label' => 'Entreeticket', 'description' => 'Je ontvangt een gratis festivalticket als dank voor je inzet'],
                ['label' => 'Vrijwilligersvergoeding', 'description' => 'Je ontvangt een vergoeding conform de vrijwilligersregeling'],
            ], 'is_required' => true, 'display_width' => 'full'],
            ['type' => FormFieldType::HEADING, 'slug' => 'noodcontact', 'label' => 'Noodcontact', 'help_text' => 'Wie kunnen we bereiken bij calamiteiten?', 'display_width' => 'full'],
            ['type' => FormFieldType::TEXT, 'slug' => 'noodcontact-naam', 'label' => 'Noodcontact naam', 'is_pii' => true, 'display_width' => 'half'],
            ['type' => FormFieldType::TEXT, 'slug' => 'noodcontact-telefoon', 'label' => 'Noodcontact telefoon', 'is_pii' => true, 'display_width' => 'half'],
            ['type' => FormFieldType::HEADING, 'slug' => 'ervaring-vaardigheden', 'label' => 'Ervaring & vaardigheden', 'help_text' => "Welke diploma's en skills heb je?", 'display_width' => 'full'],
            ['type' => FormFieldType::BOOLEAN, 'slug' => 'ehbo-bhv-diploma', 'label' => 'EHBO / BHV diploma', 'is_filterable' => true, 'display_width' => 'half'],
            ['type' => FormFieldType::BOOLEAN, 'slug' => 'rijbewijs', 'label' => 'Rijbewijs', 'is_filterable' => true, 'display_width' => 'half'],
            ['type' => FormFieldType::BOOLEAN, 'slug' => 'eerder-vrijwilliger-geweest', 'label' => 'Eerder vrijwilliger geweest', 'is_filterable' => true, 'display_width' => 'half'],
            ['type' => FormFieldType::TAG_PICKER, 'slug' => 'certificaten-vaardigheden', 'label' => 'Certificaten & vaardigheden', 'is_filterable' => true, 'display_width' => 'full'],
            ['type' => FormFieldType::HEADING, 'slug' => 'aanvullende-informatie', 'label' => 'Aanvullende informatie', 'display_width' => 'full'],
            ['type' => FormFieldType::BOOLEAN, 'slug' => 'toestemming-gegevensverwerking', 'label' => 'Toestemming gegevensverwerking', 'help_text' => 'Ik geef toestemming voor de verwerking van mijn persoonsgegevens ten behoeve van de organisatie van dit evenement, conform de Algemene Verordening Gegevensbescherming (AVG).', 'is_required' => true, 'display_width' => 'full'],
            ['type' => FormFieldType::TEXTAREA, 'slug' => 'opmerkingen', 'label' => 'Opmerkingen', 'display_width' => 'full'],
        ];
    }

    public static function seedSystemTemplates(Organisation $org): int
    {
        $count = 0;
        foreach (self::canonicalFields() as $sortOrder => $field) {
            $snapshot = [
                'schema_version' => 1,
                'snapshot_created_at' => now()->toIso8601String(),
                'schema' => [
                    'name' => $field['label'].' (template)',
                    'slug' => $field['slug'],
                    'purpose' => FormPurpose::EVENT_REGISTRATION->value,
                    'description' => null,
                    'locale' => 'nl',
                    'freeze_on_submit' => false,
                    'section_level_submit' => false,
                    'settings' => [],
                ],
                'sections' => [],
                'fields' => [[
                    'id' => (string) Str::ulid(),
                    'slug' => $field['slug'],
                    'field_type' => $field['type']->value,
                    'label' => $field['label'],
                    'help_text' => $field['help_text'] ?? null,
                    'section_slug' => null,
                    'options' => $field['options'] ?? null,
                    'validation_rules' => null,
                    'is_required' => $field['is_required'] ?? false,
                    'is_filterable' => $field['is_filterable'] ?? false,
                    'is_pii' => $field['is_pii'] ?? false,
                    'binding' => null,
                    'conditional_logic' => null,
                    'translations' => null,
                    'value_storage_hint' => $field['type']->recommendedValueStorageHint()->value,
                    'sort_order' => $sortOrder + 1,
                ]],
            ];

            FormTemplate::create([
                'organisation_id' => $org->id,
                'name' => $field['label'],
                'slug' => $field['slug'],
                'purpose' => FormPurpose::EVENT_REGISTRATION,
                'description' => null,
                'schema_snapshot' => $snapshot,
                'is_active' => true,
            ])->forceFill(['is_system' => true])->save();
            $count++;
        }

        return $count;
    }

    /**
     * Create one FormSchema (event_registration) for this event with the
     * canonical 16-field set.
     */
    public static function seedEventSchema(Event $event): FormSchema
    {
        $schema = FormSchema::create([
            'organisation_id' => $event->organisation_id,
            'owner_type' => 'event',
            'owner_id' => $event->id,
            'name' => $event->name.' — registratie',
            'slug' => Str::slug($event->slug.'-registratie'),
            'purpose' => FormPurpose::EVENT_REGISTRATION,
            'description' => "Registratieformulier voor {$event->name}.",
            'is_published' => in_array(
                $event->status,
                ['registration_open', 'buildup', 'showday', 'teardown', 'closed'],
                true
            ),
            'submission_mode' => FormSubmissionMode::DRAFT_SINGLE,
            'locale' => 'nl',
            'snapshot_mode' => FormSchemaSnapshotMode::NEVER,
            'freeze_on_submit' => false,
            'section_level_submit' => false,
            'auto_save_enabled' => false,
        ]);

        foreach (self::canonicalFields() as $sortOrder => $field) {
            FormField::create([
                'form_schema_id' => $schema->id,
                'field_type' => $field['type']->value,
                'slug' => $field['slug'],
                'label' => $field['label'],
                'help_text' => $field['help_text'] ?? null,
                'options' => $field['options'] ?? null,
                'is_required' => $field['is_required'] ?? false,
                'is_filterable' => $field['is_filterable'] ?? false,
                'is_portal_visible' => true,
                'is_admin_only' => false,
                'is_pii' => $field['is_pii'] ?? false,
                'display_width' => $field['display_width'] ?? 'full',
                'value_storage_hint' => $field['type']->recommendedValueStorageHint(),
                'sort_order' => $sortOrder + 1,
            ]);
        }

        return $schema;
    }

    /**
     * For each person with status ∈ applied/approved/no_show on this event,
     * create one FormSubmission with a realistic handful of FormValues.
     * Status follows the same rule as MigrateLegacyFormsData.
     */
    public static function seedSubmissionsForEvent(Event $event, FormSchema $schema): int
    {
        $fields = $schema->fields()->get()->keyBy('slug');
        $persons = Person::where('event_id', $event->id)
            ->whereIn('status', ['applied', 'approved', 'no_show'])
            ->get();

        $count = 0;
        foreach ($persons as $person) {
            $isSubmittedStatus = in_array($person->status, ['applied', 'approved', 'no_show'], true);
            $status = $isSubmittedStatus ? FormSubmissionStatus::SUBMITTED : FormSubmissionStatus::DRAFT;

            $submission = FormSubmission::create([
                'form_schema_id' => $schema->id,
                'subject_type' => 'person',
                'subject_id' => $person->id,
                'submitted_by_user_id' => $person->user_id,
                'status' => $status,
                'is_test' => false,
                'submitted_in_locale' => 'nl',
                'submitted_at' => $status === FormSubmissionStatus::SUBMITTED ? now()->subDays(rand(1, 30)) : null,
                'schema_version_at_submit' => $status === FormSubmissionStatus::SUBMITTED ? 1 : null,
            ]);

            $seed = crc32((string) $person->id);
            $sizes = ['XS', 'S', 'M', 'L', 'XL', 'XXL'];
            self::createValueIfField($fields, 'shirtmaat', ['value' => $sizes[$seed % 6]], $submission);
            self::createValueIfField($fields, 'dieetwensen', ($seed % 3 === 0) ? ['Vegetarisch'] : [], $submission);
            self::createValueIfField($fields, 'rijbewijs', ['value' => ($seed % 2) === 0], $submission);
            self::createValueIfField($fields, 'ehbo-bhv-diploma', ['value' => ($seed % 4) === 0], $submission);
            self::createValueIfField($fields, 'noodcontact-naam', ['value' => 'Partner / Familielid'], $submission);
            self::createValueIfField($fields, 'toestemming-gegevensverwerking', ['value' => true], $submission);

            $count++;
        }

        return $count;
    }

    /**
     * @param  \Illuminate\Support\Collection<string, FormField>  $fields
     * @param  mixed  $value
     */
    private static function createValueIfField($fields, string $slug, $value, FormSubmission $submission): void
    {
        $field = $fields->get($slug);
        if ($field === null) {
            return;
        }

        FormValue::create([
            'form_submission_id' => $submission->id,
            'form_field_id' => $field->id,
            'value' => $value,
        ]);
    }
}