<?php

namespace phpnotify;

use \TypeError as TypeError;
use \RuntimeException as RuntimeException;

/**
 * It add more personalization options to the notifications.
 *
 * @see https://docs.ntfy.sh/publish/#list-of-all-parameters
 */
class notification extends notification_base{
    /**
     * This store tags, which would be send.
     * @var array
     */
    private array $tags = [];

    /**
     * That store actions for the notification.
     * @var array 
     */
    private array $actions = [];

    /**
     * That set notification title.
     * 
     * @param string $title Title to set.
     * 
     * @return notification Self to chain loading.
     */
    public function title(string $title): object {
        return $this->set('Title', $title);
    }

    /**
     * That set notification priority. Priority could be from 1 to 5.
     *
     * @see https://docs.ntfy.sh/publish/#message-priority
     * 
     * @param int Epriority Message priority.
     * 
     * @return notification Self to chain loading.
     */
    public function priority(int $priority): object {
        if ($priority < 1 || $priority > 5) {
            throw new TypeError('Priority must be between 1 and 5.');
        }

        return $this->set('Priority', strval($priority));
    }

    /**
     * That add new tag to notification
     *
     * @see https://docs.ntfy.sh/publish/#tags-emojis
     * @see https://docs.ntfy.sh/emojis/
     * 
     * @param string $tag New tag to add.
     * 
     * @return notification Self to chain loading.
     */
    public function add_tag(string $tag): object {
        $tag = trim($tag);

        if (strpos($tag, ' ') !== false) {
            throw new TypeError('Tags could not contain white chars.');
        }

        if (strpos($tag, ',') !== false) {
            throw new TypeError('Tags could not contain ",".');
        }

        array_push($this->tags, $tag);
        return $this;
    }

    /**
     * That return list of tags to use when request is processing.
     *
     * @return string Header with the tags.
     */
    private function get_tags(): string {
        return join(',', $this->tags);
    }

    /**
     * That make notification body markdown formated.
     * 
     * @see https://docs.ntfy.sh/publish/#markdown-formatting
     * 
     * @return notification Self to chain loading.
     */
    public function enable_markdown(): object {
        return $this->set('Markdown', 'yes');
    }

    /**
     * That make notification delayed delivery.
     * 
     * @see https://docs.ntfy.sh/publish/#scheduled-delivery
     *
     * @param string $when Time to show notification.
     * 
     * @return notification Self to chain loading.
     */
    public function delivery_time(string $when): object {
        return $this->set('At', $when);
    }

    /**
     * That send notification to given email.
     *
     * @see https://docs.ntfy.sh/publish/#__tabbed_27_3
     * 
     * @param string $email Email to send notification to.
     * 
     * @return notification Self to chain loading.
     */
    public function email(string $email): object {
        if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
            throw new TypeError('Email "'.$email.'" is invalid.');
        }

        return $this->set('Email', $email);
    }

    /**
     * That set link which would being open after click on notification.
     *
     * @see https://docs.ntfy.sh/publish/#click-action
     * 
     * @param string $url Url to open after click.
     * 
     * @return notification Self to chain loading.
     */
    public function click_url(string $url): object {
        return $this->set('Click', $url);
    }

    /**
     * That add link to attachment.
     *
     * @see https://docs.ntfy.sh/publish/#attach-file-from-a-url
     * 
     * @param string $title Title to set.
     * 
     * @return notification Self to chain loading.
     */
    public function attach_url(string $url): object {
        if (!filter_var($url, FILTER_VALIDATE_URL)) {
            throw new TypeError('"'.$url.'" is not valid URL.');
        }

        return $this->set('Attach', $url);
    }

    /**
     * That set URL to notification icon.
     *
     * @see https://docs.ntfy.sh/publish/#icons
     * 
     * @param string $url Url of the notification.
     * 
     * @return notification Self to chain loading.
     */
    public function icon_url(string $url): object {
        if (!filter_var($url, FILTER_VALIDATE_URL)) {
            throw new TypeError('"'.$url.'" is not valid URL.');
        }

        return $this->set('Icon', $url);
    }

    /**
     * That would make notification phone call.
     * 
     * @see https://docs.ntfy.sh/publish/#phone-calls
     *
     * @param string|true True when call would be make or phone number.
     * 
     * @return notification Self to chain loading.
     */
    public function call(string|true $phone_number): object {
        if ($phone_number === true) {
            return $this->set('Call', 'yes');
        }

        $check = str_replace(' ', '', $phone_number);
        
        if ($check[0] === '+') {
            $check = substr($check, 1);
        }

        if (!is_numeric($phone_number)) {
            throw new TypeError('"'.$phone_number.'" is invalid number.');
        }

        return $this->set('Call', $phone_number);
    }

    /**
     * That add name of the file, which would be send,,
     * 
     * @see https://docs.ntfy.sh/publish/#attachments
     * 
     * @param string $filename Name of the file to save.
     * 
     * @return notification Self to chain loading.
     */
    public function save_as(string $filename): object {
        if (basename($filename) !== $filename) {
            throw new TypeError('"'.$filename.'" is invalid filename.');
        }

        return $this->set('Filename', $filename);
    }

    /**
     * That would disable sending notification via firebase.
     * 
     * @see https://docs.ntfy.sh/publish/#disable-firebase
     *
     * @return notification Self to chain loading.
     */
    public function disable_firebase(): object {
        return $this->set('Firebase', 'no');
    }

    /**
     * That would disable notification cache on server side.
     * 
     * @see https://docs.ntfy.sh/publish/#message-caching
     * 
     * @return notification Self to chain loading.
     */
    public function disable_cache(): object {
        return $this->set('Cache', 'no');
    }

    /**
     * That would set iPhone Poll-ID.
     * 
     * @param string $id Poll ID to set.
     *
     * @return notification Self to chain loading.
     */
    public function poll_id(string $id): object {
        return $this->set('Poll-ID', $id);
    }

    /**
     * That would enable unified push delivery.
     *
     * @see https://docs.ntfy.sh/publish/#unifiedpush
     *
     * @return notification Self to chain loading
     */
    public function enable_unified_push(): object {
        return $this->set('UnifiedPush', 'yes');
    }

    /**
     * That add new action to the notification.
     *
     * @see https://docs.ntfy.sh/publish/#action-buttons
     * 
     * @param string $action Action type.
     * @param string $label Label of the action button.
     * @param ?array<str, str> $param List of the actions params.
     *
     * @return notification Self to chain loading.
     */
    public function add_action(
        string $action, 
        string $label, 
        ?array $param = null
    ): object {
        $separator = ', ';
        $content = $action.$separator.$label;

        if ($param === null) {
            array_push($this->actions, $content);
            return $this;
        }

        foreach ($param as $key => $value) {
            $content .= $separator;
            $content .= $key.'='.$value;
        }
            
        array_push($this->actions, $content);
        return $this;
    }
    
    /**
     * That process all actions into header content.
     *
     * @return string Content of the actions header.
     */
    private function get_actions(): string {
        return join('; ', $this->actions);
    }

    /**
     * Overwriting it is required to add headers with arrays.
     */
    protected function prepare(): void {
        parent::prepare();

        if (count($this->actions) > 0) {
            $this->set('Actions', $this->get_actions());
        }

        if (count($this->tags) > 0) {
            $this->set('Tags', $this->get_tags());
        }
    }
}