<?php
namespace DayTidy\Data;

use Webilia\WP\Formats\Date as DateFormat;
use Webilia\WP\Formats\Time as TimeFormat;
use Webilia\WP\Helpers\Arr;
use DayTidy\Plugin\DataRetention;

class GeneralSettings
{
    public const DEFAULT_PRIMARY_COLOR = '#007f55';

    /**
     * Raw Settings
     * @var mixed[]
     */
    private array $options;

    /**
     * Constructor
     *
     * @param mixed[] $options
     */
    public function __construct(array $options)
    {
        $this->options = $options;
    }

    /**
     * Get a certain key from options
     *
     * @param string $key
     * @param mixed|null $default
     * @return mixed
     */
    public function get(string $key, $default = null)
    {
        return Arr::ternary($this->options, $key, $default);
    }

    /**
     * Merge new data into current settings
     *
     * @param mixed[] $data
     * @return GeneralSettings
     */
    public function merge(array $data): GeneralSettings
    {
        $this->options = array_merge($this->options, $data);
        return $this;
    }

    /**
     * Return all options as array
     *
     * @return mixed[]
     */
    public function all(): array
    {
        return $this->options;
    }

    /**
     * Get options of all or a certain module
     *
     * @param string|null $key
     * @return mixed[]
     */
    public function module(?string $key = null): array
    {
        // Get All Modules
        $options = $this->get('modules', []);

        // Force to Array
        if (Arr::not($options)) $options = [];

        // Looking for Specific Module
        if ($key) return Arr::ternary($options, $key, []);

        // Return all Modules
        return $options;
    }

    /**
     * Currency
     *
     * @return string
     */
    public function currency(): string
    {
        return $this->get('currency', 'USD');
    }

    public function primaryColor(): string
    {
        return $this->primaryColorOverride() ?: self::DEFAULT_PRIMARY_COLOR;
    }

    public function primaryColorOverride(): string
    {
        $color = $this->get('primary_color', '');
        if (!is_string($color) || !self::isValidPrimaryColor($color)) return '';

        return $color;
    }

    public static function isValidPrimaryColor(string $color): bool
    {
        if (!sanitize_hex_color($color)) return false;

        $hex = substr($color, 1);
        if (strlen($hex) === 3) $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];

        $channels = [];
        foreach (str_split($hex, 2) as $channel)
        {
            $value = hexdec($channel) / 255;
            $channels[] = $value <= 0.04045 ? $value / 12.92 : pow(($value + 0.055) / 1.055, 2.4);
        }

        $luminance = 0.2126 * $channels[0] + 0.7152 * $channels[1] + 0.0722 * $channels[2];
        return 1.05 / ($luminance + 0.05) >= 4.5;
    }

    /**
     * Currency Sign Position
     *
     * @return string
     */
    public function currencyPosition(): string
    {
        return $this->get('currency_position', Currencies::POSITION_BEFORE);
    }

    /**
     * Midnight Hour
     *
     * @return int
     */
    public function midnight(): int
    {
        return (int) $this->get('midnight', 12);
    }

    public function deleteDataOnUninstall(): bool
    {
        return (int) $this->get(DataRetention::SETTING_KEY, 0) === 1;
    }

    /**
     * Date Format
     *
     * @return string
     */
    public function dateFormat(): string
    {
        return $this->get('date_format', DateFormat::wp());
    }

    /**
     * Time Format
     *
     * @return string
     */
    public function timeFormat(): string
    {
        return $this->get('time_format', TimeFormat::wp());
    }

    /**
     * Date & Time Format
     *
     * @return string
     */
    public function datetimeFormat(): string
    {
        return $this->dateFormat().' '.$this->timeFormat();
    }

    /**
     * @return mixed[]
     */
    public function rangeFormat(): array
    {
        return $this->get('range_format', [
            'hour' => 'F1 j1, H1:i1 - i2',
            'day' => 'F1 j1, H1:i1 - H2:i2',
            'month' => 'F1 j1 - j2, H1:i1 - H2:i2',
            'year' => 'F1 j1 - F2 j2, H1:i1 - H2:i2',
            'other' => 'F1 j1, Y1 H1:i1 - F2 j2, Y2 H2:i2',
        ]);
    }
}