<?php

namespace App\Traits;

use App\Enums\InputType;
use App\Lib\Utils;

trait MiniAcfModel
{
    /**
     * This should define the skeleton of content property
     *
     * @return array
     */
    abstract public function getBlocks(): array;

    /**
     * Fill the model with an array of attributes.
     *
     * @param  array $attributes
     * @return $this
     *
     * @throws \Illuminate\Database\Eloquent\MassAssignmentException
     */
    public function fill(array $attributes)
    {
        if ($this->id) {
            $attributes = array_replace_recursive(
                $this->clearImagesLabelsDropdownsArrays($this->toArray()),
                $attributes
            );
        }
        parent::fill($attributes);
        if (isset($attributes['content'])) {
            $this->setContent($attributes['content']);
        }
    }

    // cast content
    public function setContentAttribute($value)
    {
        $this->setContent($value);
    }

    public function getContentAttribute()
    {
        $content = json_decode($this->getRawOriginal('content'), true);
        return isset($content->header) ? $content->header : $content;
    }

    /**
     * Get Label Template Data
     *
     * @return array
     */
    public static function getLabel(): array
    {
        return [
            'bigText' => '',
            'text' => '',
            'fullLine' => false
        ];
    }

    /**
     * Get Dropdown Template Data
     *
     * @return array
     */
    public static function getDropdown(): array
    {
        return [
            'title' => '',
            'html' => ''
        ];
    }

    /**
     * Get Miniblock Template Data
     *
     * @return array
     */
    public static function getMiniblock(): array
    {
        return [
            'title' => '',
            'html' => ''
        ];
    }

    /**
     * Set content attribute on model
     *
     * @param array $content
     * @return void
     */
    private function setContent(array $content): void
    {
        $attrs = $this->attributes;
        if (isset($attrs['content'])) {
            unset($attrs['content']);
        }
        // model blocs by type
        $blocs = collect($this->getBlocks())->keyBy(function (array $bloc) {
            return $bloc['type']->value;
        });
        // replace recusive each bloc
        foreach ($content as &$bloc) {
            $bloc = array_replace_recursive($blocs->get($bloc['type']->value ?? $bloc['type']['value']), $bloc);
        }
        // serialize blocs
        $content = $this->serializeContent($content);
        $this->setRawAttributes(\array_merge_recursive(
            $attrs,
            ['content' => $content]
        ));
    }

    /**
     *
     * Serialize input form request to
     * a storable string
     *
     * @param array $content
     * @return string
     */
    // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh
    private function serializeContent(array $content): string
    {
        foreach ($content as $i => $bloc) {
            foreach ($bloc['content'] as $o => $input) {
                switch ($input['inputType']->value ?? $input['inputType']['value']) {
                    case InputType::image()->value:
                        $content[$i]['content'][$o]['value'] = Utils::storeImage($input['value'], $this->getTable());
                        break;
                    case InputType::imageArray()->value:
                        foreach ($input['value'] as $k => $image) {
                            $content[$i]['content'][$o]['value'][$k] = Utils::storeImage($image, $this->getTable());
                        }
                        break;
                    case InputType::labelArray()->value:
                        foreach ($input['value'] as $k => $label) {
                            $content[$i]['content'][$o]['value'][$k] = \array_replace(
                                static::getLabel(),
                                $content[$i]['content'][$o]['value'][$k]
                            );
                        }
                        break;
                    case InputType::dropdownArray()->value:
                        foreach ($input['value'] as $k => $label) {
                            $content[$i]['content'][$o]['value'][$k] = \array_replace(
                                static::getDropdown(),
                                $content[$i]['content'][$o]['value'][$k]
                            );
                        }
                        break;
                    case InputType::miniblocArray()->value:
                        foreach ($input['value'] as $k => $label) {
                            $content[$i]['content'][$o]['value'][$k] = \array_replace(
                                static::getMiniblock(),
                                $content[$i]['content'][$o]['value'][$k]
                            );
                        }
                        break;
                    case InputType::boolean()->value:
                    case InputType::text()->value:
                    case InputType::string()->value:
                    case InputType::videoVimeo()->value:
                        break;
                    case InputType::url()->value:
                        Utils::assertNoInternalUrls('content', $input['value']);
                        break;
                    default:
                        throw new \Exception(sprintf(
                            'Unknown input Type %s',
                            $input['inputType']->label ?? $input['inputType']['label']
                        ));
                }//end switch
            }//end foreach
        }//end foreach
        return json_encode($content);
    }

    private function clearImagesLabelsDropdownsArrays(array $page): array
    {
        if (isset($page['content'])) {
            foreach ($page['content'] as &$block) {
                if (isset($block['content'])) {
                    foreach ($block['content'] as &$input) {
                        if ($input['inputType']['value'] === InputType::imageArray()->value) {
                            $input['value'] = [];
                        }
                        if ($input['inputType']['value'] === InputType::labelArray()->value) {
                            $input['value'] = [];
                        }
                        if ($input['inputType']['value'] === InputType::dropdownArray()->value) {
                            $input['value'] = [];
                        }
                    }
                }
            }
        }
        return $page;
    }
}