<?php

namespace FluentCrm\App\Services;


use FluentCrm\App\Models\CustomCompanyField;
use FluentCrm\App\Models\Lists;
use FluentCrm\App\Models\Tag;
use FluentCrm\Framework\Support\Arr;

class Sanitize
{
    public static function campaign($data)
    {
        $fieldMaps = [
            'title'            => 'sanitize_text_field',
            'slug'             => 'sanitize_text_field',
            'template_id'      => 'intval',
            'email_subject'    => 'sanitize_text_field',
            'email_pre_header' => 'sanitize_text_field',
            'utm_status'       => 'intval',
            'utm_source'       => 'sanitize_text_field',
            'utm_medium'       => 'sanitize_text_field',
            'utm_campaign'     => 'sanitize_text_field',
            'utm_term'         => 'sanitize_text_field',
            'utm_content'      => 'sanitize_text_field',
            'scheduled_at'     => 'sanitize_text_field',
            'design_template'  => 'sanitize_text_field'
        ];

        foreach ($data as $key => $value) {
            if ($value && isset($fieldMaps[$key]) && !is_array($value)) {
                $data[$key] = call_user_func($fieldMaps[$key], $value);
            }
        }

        if (!empty($data['settings']) && is_array($data['settings'])) {
            $data['settings'] = self::sanitizeCampaignSettings($data['settings']);
        }

        return $data;
    }

    private static function sanitizeCampaignSettings($settings)
    {
        if (!is_array($settings)) {
            return [];
        }

        $footerSettings = Arr::get($settings, 'footer_settings');
        if (is_array($footerSettings)) {
            $settings['footer_settings'] = self::sanitizeFooterSettings($footerSettings);
        }

        return $settings;
    }

    private static function sanitizeFooterSettings($footerSettings)
    {
        $fontSize = intval(Arr::get($footerSettings, 'font_size', 13));
        $footerPadding = intval(Arr::get($footerSettings, 'footer_padding', 20));
        $fontColor = sanitize_hex_color(Arr::get($footerSettings, 'font_color', '#202020')) ?: '#202020';
        $backgroundColor = Arr::get($footerSettings, 'background_color', 'transparent');
        $backgroundColor = ($backgroundColor === 'transparent')
            ? 'transparent'
            : (sanitize_hex_color($backgroundColor) ?: 'transparent');

        return [
            'disable_footer'   => Arr::get($footerSettings, 'disable_footer') === 'yes' ? 'yes' : 'no',
            'custom_footer'    => Arr::get($footerSettings, 'custom_footer') === 'yes' ? 'yes' : 'no',
            'footer_content'   => self::sanitizeFooterHtml(Arr::get($footerSettings, 'footer_content', '')),
            'font_size'        => min(24, max(8, $fontSize)),
            'font_color'       => $fontColor,
            'background_color' => $backgroundColor,
            'footer_padding'   => min(80, max(0, $footerPadding))
        ];
    }

    public static function sanitizeFooterHtml($footerHtml)
    {
        if (!is_scalar($footerHtml)) {
            return '';
        }

        $footerHtml = (string) $footerHtml;
        if ($footerHtml === '') {
            return '';
        }

        $allowedTags = wp_kses_allowed_html('post');
        $styleAllowedTags = [
            'a', 'p', 'div', 'span', 'img', 'ul', 'ol', 'li',
            'strong', 'em', 'b', 'i', 'u', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6',
            'table', 'tbody', 'thead', 'tfoot', 'tr', 'td', 'th', 'blockquote'
        ];

        foreach ($styleAllowedTags as $tagName) {
            if (!isset($allowedTags[$tagName])) {
                $allowedTags[$tagName] = [];
            }
            $allowedTags[$tagName]['style'] = [];
        }

        if (isset($allowedTags['a'])) {
            $allowedTags['a']['target'] = [];
            $allowedTags['a']['rel'] = [];
        }

        if (isset($allowedTags['img'])) {
            $allowedTags['img']['loading'] = [];
            $allowedTags['img']['decoding'] = [];
        }

        return wp_kses($footerHtml, $allowedTags);
    }

    public static function contact($data)
    {
        $fieldMaps = [
            'hash'            => 'sanitize_text_field',
            'prefix'          => 'sanitize_text_field',
            'first_name'      => 'sanitize_text_field',
            'last_name'       => 'sanitize_text_field',
            'user_id'         => 'intval',
            'email'           => 'sanitize_email',
            'status'          => 'sanitize_text_field',
            'contact_type'    => 'sanitize_text_field',
            'address_line_1'  => 'sanitize_text_field',
            'address_line_2'  => 'sanitize_text_field',
            'postal_code'     => 'sanitize_text_field',
            'city'            => 'sanitize_text_field',
            'state'           => 'sanitize_text_field',
            'country'         => 'sanitize_text_field',
            'phone'           => 'sanitize_text_field',
            'timezone'        => 'sanitize_text_field',
            'date_of_birth'   => 'sanitize_text_field',
            'source'          => 'sanitize_text_field',
            'life_time_value' => 'sanitize_text_field',
            'last_activity'   => 'sanitize_text_field',
            'total_points'    => 'intval',
            'latitude'        => 'sanitize_text_field',
            'longitude'       => 'sanitize_text_field',
            'ip'              => 'sanitize_text_field',
            'created_at'      => 'sanitize_text_field',
            'updated_at'      => 'sanitize_text_field',
            'avatar'          => 'esc_url_raw',
            'company_id'      => 'intval',
        ];

        foreach ($data as $key => $value) {
            if ($value && isset($fieldMaps[$key]) && !is_array($value)) {
                $data[$key] = call_user_func($fieldMaps[$key], $value);
            }
        }

        if (isset($data['status'])) {
            $status = $data['status'];
            if (!in_array($status, fluentcrm_subscriber_statuses())) {
                unset($data['status']);
            }
        }

        if (isset($data['contact_type'])) {
            if (!array_key_exists($data['contact_type'], fluentcrm_contact_types())) {
                unset($data['contact_type']);
            }
        }

        return $data;
    }

    public static function contactNote($data)
    {
        $fieldMaps = [
            'subscriber_id' => 'intval',
            'parent_id'     => 'intval',
            'created_by'    => 'sanitize_text_field',
            'status'        => 'sanitize_text_field',
            'type'          => 'sanitize_text_field',
            'title'         => 'sanitize_text_field',
            'description'   => 'wp_kses_post',
            'created_at'    => 'sanitize_text_field'
        ];

        foreach ($data as $key => $value) {
            if ($value && isset($fieldMaps[$key]) && !is_array($value)) {
                $data[$key] = call_user_func($fieldMaps[$key], $value);
            }
        }

        return $data;
    }

    public static function funnel($data)
    {
        $fieldMaps = [
            'type'         => 'sanitize_text_field',
            'title'        => 'sanitize_text_field',
            'trigger_name' => 'sanitize_text_field',
            'status'       => 'sanitize_text_field',
            'created_by'   => 'intval',
            'updated_at'   => 'sanitize_text_field'
        ];

        foreach ($data as $key => $value) {
            if ($value && isset($fieldMaps[$key]) && !is_array($value)) {
                $data[$key] = call_user_func($fieldMaps[$key], $value);
            }
        }

        return $data;
    }

    public static function company($data)
    {
        $fieldMaps = [
            'name'             => 'sanitize_text_field',
            'description'      => 'wp_kses_post',
            'phone'            => 'sanitize_text_field',
            'email'            => 'sanitize_email',
            'owner_id'         => 'intval',
            'employees_number' => 'intval',
            'industry'         => 'sanitize_text_field',
            'type'             => 'sanitize_text_field',
            'address_line_1'   => 'sanitize_text_field',
            'address_line_2'   => 'sanitize_text_field',
            'postal_code'      => 'sanitize_text_field',
            'city'             => 'sanitize_text_field',
            'state'            => 'sanitize_text_field',
            'country'          => 'sanitize_text_field',
            'website'          => 'esc_url_raw',
            'linkedin_url'     => 'esc_url_raw',
            'facebook_url'     => 'esc_url_raw',
            'twitter_url'      => 'esc_url_raw',
            'logo'             => 'esc_url_raw',
        ];

        foreach ($data as $key => $value) {
            if ($value && isset($fieldMaps[$key]) && !is_array($value)) {
                $data[$key] = call_user_func($fieldMaps[$key], $value);
            }
        }

        if (isset($data['custom_values'])) {
            $customValues = Arr::get($data, 'custom_values', []);

            $customFieldKeys = [];
            $customFields = (new CustomCompanyField())->getGlobalFields()['fields'];

            foreach ($customFields as $field) {
                $customFieldKeys[] = $field['slug'];
            }

            if ($customFieldKeys) {
                if ($customValues) {
                    $customValues = (new CustomCompanyField)->formatCustomFieldValues($customValues);
                }
            }

            $data['custom_values'] = $customValues;
        }

        return $data;
    }

    public static function sanitizeTagIds($inputTagIds, $willCreate = true)
    {
        if (!$inputTagIds) {
            return [];
        }

        $tagIds = [];
        $nonNumericIds = [];

        foreach ($inputTagIds as $tagId) {
            if (is_numeric($tagId)) {
                $tagIds[] = (int)$tagId;
            } else {
                $nonNumericIds[] = $tagId;
            }
        }

        if (!$nonNumericIds) {
            return $tagIds;
        }

        foreach ($nonNumericIds as $maybeNewTag) {
            if (strlen($maybeNewTag) < 3) {
                continue;
            }

            $exit = Tag::where('title', $maybeNewTag)
                ->orWhere('slug', $maybeNewTag)
                ->first();

            if ($exit) {
                $tagIds[] = $exit->id;
                continue;
            }

            if (!$willCreate) {
                continue;
            }

            // Let's create a new
            $tag = Tag::create([
                'title' => $maybeNewTag,
                'slug'  => sanitize_title($maybeNewTag)
            ]);

            $tagIds[] = $tag->id;
            do_action('fluent_crm/tag_created', $tag);
        }

        return $tagIds;
    }

    public static function sanitizeListIds($inputListIds, $willCreate = true)
    {
        if (!$inputListIds) {
            return [];
        }

        $listIds = [];
        $nonNumericIds = [];

        foreach ($inputListIds as $listId) {
            if (is_numeric($listId)) {
                $listIds[] = (int)$listId;
            } else {
                $nonNumericIds[] = $listId;
            }
        }

        if (!$nonNumericIds) {
            return $listIds;
        }

        foreach ($nonNumericIds as $maybeNewList) {
            if (strlen($maybeNewList) < 3) {
                continue;
            }

            $exit = Lists::where('title', $maybeNewList)
                ->orWhere('slug', $maybeNewList)
                ->first();

            if ($exit) {
                $listIds[] = $exit->id;
                continue;
            }

            if (!$willCreate) {
                continue;
            }

            // Let's create a new
            $list = Lists::create([
                'title' => sanitize_text_field($maybeNewList),
                'slug'  => sanitize_title($maybeNewList)
            ]);

            $listIds[] = $list->id;
            do_action('fluent_crm/list_created', $listIds);
        }

        return $listIds;
    }
}