<?php

namespace App\Rules;

use App\Enums\VideoProviderEnum;
use Illuminate\Contracts\Validation\DataAwareRule;
use Illuminate\Contracts\Validation\ValidationRule;
use Illuminate\Support\Arr;
use Uwil\LaravelCommon\Rules\IsValidVimeoId;
use Uwil\LaravelCommon\Rules\IsValidYoutubeId;

/**
 * Check the length of a Wysiwyg field, excluding tags and end spaces.
 *
 * @package Uwil\LaravelCommon\Rules
 */
class Video implements ValidationRule, DataAwareRule
{
    protected array $data = [];

    public function setData(array $data): static
    {
        $this->data = $data;
        return $this;
    }

    /**
     * Construct method.
     *
     * @param integer      $min The minimum length of the content (excluding tags). Default is 15.
     * @param integer|null $max The maximum length of the content (excluding tags).
     *  Default is null (max will be defined by the type of the column in DB).
     * @return void
     * @throws \InvalidArgumentException If $max < $min.
     */
    public function __construct() {}

    /**
     * Run the validation rule.
     *
     * @param string   $attribute
     * @param mixed    $value
     * @param \Closure $fail
     *
     * @return void
     */
    public function validate(string $attribute, mixed $value, \Closure $fail): void
    {

        $lengthRules = [
            $attribute . '.alt' => ['min' => 3, 'max' => 255],
            $attribute . '.caption' => ['min' => 3, 'max' => 255],
        ];

        if (!$value) {
            return;
        }

        $fields = [
            $attribute . '.alt',
            $attribute . '.caption',
            $attribute . '.isMuted',
            $attribute . '.hasControls',
            $attribute . '.canFullScreen',
            $attribute . '.provider',
            $attribute . '.videoId',
            $attribute . '.format',
        ];

        foreach ($fields as $field) {
            $fieldValue = Arr::get($this->data, $field);
            if (in_array($field, [
                $attribute . '.alt',
                $attribute . '.caption'
            ])) {
                $lengthRule = $lengthRules[$field] ?? null;

                if ($lengthRule) {
                    $min = $lengthRule['min'] ?? 0;
                    $max = $lengthRule['max'] ?? PHP_INT_MAX;
                    if ($fieldValue === null && $field === $attribute . '.caption') {
                        continue;
                    }
                    if ($fieldValue === null && $field === $attribute . '.title') {
                        continue;
                    }
                    if (strlen($fieldValue) < $min) {
                        $fail(__('validation.min.string', [
                            'attribute' => self::getTranslatedAttribute($field),
                            'min' => $min
                        ]));
                        return;
                    }

                    if (strlen($fieldValue) > $max) {
                        $fail(__('validation.max.string', [
                            'attribute' => self::getTranslatedAttribute($field),
                            'max' => $max
                        ]));
                        return;
                    }
                }
            }

            // Boolean fields
            if (in_array($field, [$attribute . '.isMuted', $attribute . '.hasControls', $attribute . '.canFullScreen'])) {
                $fieldValue = (bool)$fieldValue;
                if (!is_bool($fieldValue)) {
                    $fail(__('validation.boolean', [
                        'attribute' => self::getTranslatedAttribute($field),
                    ]));
                    return;
                }
            }

            if($field === $attribute . '.format') {
                if($fieldValue != "landscape" && $fieldValue != "portrait") {
                    $fail(__('validation.custom.format', [
                        'attribute' => self::getTranslatedAttribute($field),
                    ]));
                    return;
                }
            }

            if ($field === $attribute . '.provider') {

                $fieldValue = (int) $fieldValue;

                if (!is_int($fieldValue)) {
                    $fail(__('validation.integer', [
                        'attribute' => self::getTranslatedAttribute($field),
                    ]));
                    return;
                }

                $enumValues = array_map(fn($case) => $case->value, VideoProviderEnum::cases());
                if (!in_array($fieldValue, $enumValues)) {
                    $fail(__('validation.in', [
                        'attribute' => self::getTranslatedAttribute($field),
                    ]));
                    return;
                }

                if ($field === $attribute . '.videoId') {
                    $provider = Arr::get($this->data, $attribute . '.provider');

                    if ($provider === \App\Enums\VideoProviderEnum::vimeo->value) {
                        $rule = new IsValidVimeoId();
                    } elseif ($provider === \App\Enums\VideoProviderEnum::youtube->value) {
                        $rule = new IsValidYoutubeId();
                    } else {
                        $fail(__('validation.invalid', [
                            'attribute' => self::getTranslatedAttribute($attribute . '.provider'),
                        ]));
                        return;
                    }
                    $rule->validate($field, $fieldValue, $fail);
                }
            }
        }
    }

    /**
     * Get the correct translation for the given attrribute.
     *
     * @param string $attribute
     * @return string
     */
    private static function getTranslatedAttribute(string $attribute): string
    {
        $parts = explode('.', $attribute);
        if (count($parts) > 1) {
            $parts[0] = 'video_';
            $attribute = implode('.', $parts);
        }

        /** @var \Illuminate\Translation\Translator $trans */
        $trans = trans();
        if ($trans->has('validation.attributes.' . $attribute)) {
            return trans('validation.attributes.' . $attribute);
        }
        if ($trans->has('validation.custom.' . $attribute)) {
            return trans('validation.custom.' . $attribute);
        }
        return $attribute;
    }
}