<?php
/**
 * @package AKSRT
 */

namespace AKSRT\Settings;

defined('ABSPATH') || exit;

class HomeCms {

	public static function get_footer_settings(): array {
		return Settings::read_domain('page_display', 'footer');
	}

	public static function get_footer_template(): string {
		$template = sanitize_key((string) (self::get_footer_settings()['fcode_template'] ?? 'template_1'));
		return $template === 'template_1' ? $template : 'template_1';
	}

    public static function get_footer_brand_settings(): array {
        $f = self::get_footer_settings();
        return [
			'm_s'         => !empty($f['footer_t1_m_s']) ? ['pc', 'mobile'] : ['pc'],
            'img'         => (string) ($f['footer_t1_img'] ?? ''),
            'img_dark'    => (string) ($f['footer_t1_img_dark'] ?? ''),
            'title'       => (string) ($f['footer_t1_t'] ?? ''),
            'custom_code' => (string) ($f['fcode_t1_code'] ?? ''),
        ];
    }

    public static function get_footer_contact_extended_settings(): array {
        $f = self::get_footer_settings();
        return [
			'm_s'        => !empty($f['footer_contact_m_s']) ? ['pc', 'mobile'] : ['pc'],
            'wechat_img' => (string) ($f['footer_contact_wechat_img'] ?? ''),
            'qq'         => (string) ($f['footer_contact_qq'] ?? ''),
            'weibo'      => (string) ($f['footer_contact_weibo'] ?? ''),
            'email'      => (string) ($f['footer_contact_email'] ?? ''),
            'more'       => is_array($f['footer_contact_more'] ?? null) ? $f['footer_contact_more'] : [],
            'code_1'     => (string) ($f['fcode_t2_code_1'] ?? ''),
            'code_2'     => (string) ($f['fcode_t2_code_2'] ?? ''),
        ];
    }

    public static function get_footer_mini_img_settings(): array {
        $f = self::get_footer_settings();
        return [
			'm_s'   => !empty($f['footer_mini_img_m_s']) ? ['pc', 'mobile'] : ['pc'],
			'items' => self::normalize_footer_images($f['footer_mini_img'] ?? []),
			'items_2' => self::normalize_footer_images($f['footer_mini_img_2'] ?? []),
        ];
    }

    public static function get_footer_customize_code(): string {
        $f = self::get_footer_settings();
        return (string) ($f['fcode_customize_code'] ?? '');
    }

    public static function get_footer_theme_config(): array {
		$s = self::get_footer_settings();
        return [
            'custom'       => !empty($s['footer_theme_custom']),
            'bg_custom'    => sanitize_hex_color((string) ($s['footer_theme_bg_custom'] ?? '')) ?: '',
			'bg'           => self::normalize_palette_hex((string) ($s['footer_theme_bg'] ?? '')),
            'color_custom' => sanitize_hex_color((string) ($s['footer_theme_color_custom'] ?? '')) ?: '',
        ];
    }

    public static function get_site_profile(): string {
        return 'cms';
    }

    public static function get_cms_features(): array {
        $defaults = [
            'resource_cpt_enabled'    => true,
            'search_include_resource' => true,
        ];
        $s = Settings::get_all();
        $saved = isset($s['cms_features']) && is_array($s['cms_features']) ? $s['cms_features'] : [];
        return array_merge($defaults, $saved);
    }

    public static function cms_feature(string $key, $default = null) {
        $f = self::get_cms_features();
        return array_key_exists($key, $f) ? $f[$key] : $default;
    }

    public static function homepage_allowed_sorts(): array {
		return ['modified', 'date', 'views', 'like', 'comment_count', 'favorite', 'rand'];
    }

    public static function homepage_sort_labels(): array {
        return [
            'modified'  => __('更新', 'aksrt'),
            'date'      => __('发布', 'aksrt'),
            'views'     => __('浏览', 'aksrt'),
			'like'          => __('点赞', 'aksrt'),
			'comment_count' => __('评论', 'aksrt'),
			'favorite'      => __('收藏', 'aksrt'),
            'rand'      => __('随机', 'aksrt'),
        ];
    }

    public static function get_homepage_fixed_settings(): array {
		$s = Settings::read_domain('page_display', 'homepage');
        $allowed_sorts = self::homepage_allowed_sorts();

        // Canonical Zibll-aligned primary list contract.
        $main_list_enabled = !array_key_exists('home_posts_list_s', $s) || !empty($s['home_posts_list_s']);
        $sort_bar_enabled  = !array_key_exists('home_list1_orderby_s', $s) || !empty($s['home_list1_orderby_s']);

        $orderby_option = isset($s['home_list1_orderby_option']) && is_array($s['home_list1_orderby_option'])
            ? $s['home_list1_orderby_option']
            : [];
		$sort_options_raw = $orderby_option['lists'] ?? [];
		if (!is_array($sort_options_raw)) {
			$sort_options_raw = [];
		}
		$sort_options = self::normalize_sort_options($sort_options_raw);
		$default_sort = sanitize_key((string) ($sort_options[0] ?? 'modified'));
        if (!in_array($default_sort, $allowed_sorts, true)) {
			$default_sort = 'modified';
        }
        if (!in_array($default_sort, $sort_options, true)) {
            array_unshift($sort_options, $default_sort);
            $sort_options = array_values(array_unique($sort_options));
        }

		$list_title = wp_kses_post((string) ($s['index_list_title'] ?? ''));

        $exclude_posts = self::normalize_int_array($s['home_exclude_posts'] ?? []);
        $exclude_cats  = self::normalize_int_array($s['home_exclude_cats'] ?? []);
        $tabs_raw      = isset($s['home_lists']) && is_array($s['home_lists']) ? $s['home_lists'] : [];

        $settings = [
            // Canonical Zibll keys.
            'home_posts_list_s'                  => $main_list_enabled,
            'home_list1_orderby_s'               => $sort_bar_enabled,
			'home_list1_orderby_option'          => ['lists' => $sort_options, 'dropdown' => !empty($orderby_option['dropdown'])],
            'index_list_title'                   => $list_title,
            'home_exclude_posts'                 => $exclude_posts,
            'home_exclude_cats'                  => $exclude_cats,
			'home_lists'                         => self::normalize_homepage_tabs($tabs_raw),
        ];

        return $settings;
    }

    /**
     * Homepage always uses ordinary posts. Kept for API stability.
     *
     * @return string Always 'post'.
     */
    public static function homepage_content_model(): string {
        return 'post';
    }

    public static function homepage_tabs(): array {
        $settings = self::get_homepage_fixed_settings();
        return $settings['home_lists'];
    }

	/** @return array<int, array{term_id:int,title:string,orderby:string}> */
    public static function home_lists(): array {
        return self::homepage_tabs();
    }

    public static function homepage_sidebar_mini_enabled(): bool {
		return true;
    }

    public static function homepage_default_sort(): string {
        $settings = self::get_homepage_fixed_settings();
		return $settings['home_list1_orderby_option']['lists'][0] ?? 'modified';
    }

    public static function homepage_sort_ajax_enabled(): bool {
		return true;
    }

    public static function homepage_sticky_tabs_enabled(): bool {
		return true;
    }

    public static function home_posts_list_enabled(): bool {
        $settings = self::get_homepage_fixed_settings();
        return !empty($settings['home_posts_list_s']);
    }

    public static function home_list_title(): string {
        $settings = self::get_homepage_fixed_settings();
        return (string) $settings['index_list_title'];
    }

    public static function home_list_sort_enabled(): bool {
        $settings = self::get_homepage_fixed_settings();
        return !empty($settings['home_list1_orderby_s']);
    }

	public static function home_list_sort_options(): array {
		$settings = self::get_homepage_fixed_settings();
		return $settings['home_list1_orderby_option']['lists'] ?? ['modified', 'views', 'like', 'comment_count'];
    }

    public static function home_list_sort_dropdown(): bool {
        $settings = self::get_homepage_fixed_settings();
		return !empty($settings['home_list1_orderby_option']['dropdown']);
    }

    public static function home_exclude_post_ids(): array {
        $settings = self::get_homepage_fixed_settings();
        return $settings['home_exclude_posts'];
    }

    public static function home_exclude_category_ids(): array {
        $settings = self::get_homepage_fixed_settings();
        return $settings['home_exclude_cats'];
    }

    public static function homepage_tab_posts_per_page(): int {
		return 6;
    }

    public static function get_paid_content_settings(): array {
        return PaymentRuntime::get_paid_content_settings();
    }

    public static function get_content_coupon_settings(): array {
        return PaymentRuntime::get_content_coupon_settings();
    }

    public static function get_payment_recharge_settings(): array {
        return PaymentRuntime::get_payment_recharge_settings();
    }

    public static function get_payment_vip_settings(): array {
        return PaymentRuntime::get_payment_vip_settings();
    }

    public static function get_payment_revenue_settings(): array {
        return PaymentRuntime::get_payment_revenue_settings();
    }

    public static function get_payment_affiliate_settings(): array {
        return PaymentRuntime::get_payment_affiliate_settings();
    }

    public static function get_payment_gateway_settings(): array {
        return PaymentRuntime::get_payment_gateway_settings();
    }

    public static function get_order_settings(): array {
        return PaymentRuntime::get_order_settings();
    }

    public static function get_card_pass_settings(): array {
        return PaymentRuntime::get_card_pass_settings();
    }

    public static function get_withdrawal_settings(): array {
        return PaymentRuntime::get_withdrawal_settings();
    }

    private static function normalize_sort_options(array $raw): array {
        $allowed = self::homepage_allowed_sorts();
        $result = [];
        $seen   = [];

        foreach ($raw as $key) {
            $key = sanitize_key((string) $key);
            if (in_array($key, $allowed, true) && !isset($seen[$key])) {
                $result[] = $key;
                $seen[$key] = true;
            }
        }

		if (empty($result)) {
			$result = ['modified', 'views', 'like', 'comment_count'];
        }

        return $result;
    }

    private static function normalize_int_array($raw): array {
        if (!is_array($raw)) {
            return [];
        }
        return array_values(array_filter(array_map('absint', $raw), static fn($v) => $v > 0));
    }

    private static function normalize_homepage_tabs(array $raw_tabs): array {
        $allowed_orderby = self::homepage_allowed_sorts();
        $tabs = [];

        foreach ($raw_tabs as $tab) {
            if (!is_array($tab)) {
                continue;
            }

            $term_id = absint($tab['term_id'] ?? 0);
            if ($term_id <= 0) {
                continue;
            }

			$orderby = sanitize_key($tab['orderby'] ?? 'modified');
            if (!in_array($orderby, $allowed_orderby, true)) {
				$orderby = 'modified';
            }

            $tabs[] = [
                'term_id' => $term_id,
				'title'   => wp_kses_post((string) ($tab['title'] ?? '')),
                'orderby' => $orderby,
            ];
        }

        return $tabs;
    }

    private static function normalize_footer_images($raw_items): array {
		if (!is_array($raw_items)) {
			return [];
		}

		$items = [];
		foreach ($raw_items as $item) {
			if (!is_array($item) || empty($item['image'])) {
				continue;
			}
			$items[] = [
				'image' => (string) $item['image'],
				'text'  => (string) ($item['text'] ?? ''),
				'link'  => is_array($item['link'] ?? null) ? $item['link'] : [],
			];
		}

		return $items;
	}

	private static function normalize_palette_hex(string $value): string {
		$value = ltrim(trim($value), '#');
		return preg_match('/^[0-9a-f]{6}$/i', $value) ? '#' . strtolower($value) : '';
	}

    private static function parse_slug_list(string $raw, array $fallback = []): array {
        $items = preg_split('/[\s,]+/', $raw, -1, PREG_SPLIT_NO_EMPTY);
        $normalized = [];

        foreach ((array) $items as $item) {
            $slug = sanitize_key((string) $item);
            if ($slug !== '' && !in_array($slug, $normalized, true)) {
                $normalized[] = $slug;
            }
        }

        return !empty($normalized) ? $normalized : $fallback;
    }

    private static function count_structured_lines(string $raw): int {
        $lines = preg_split('/[\r\n]+/', $raw, -1, PREG_SPLIT_NO_EMPTY);
        $count = 0;

        foreach ((array) $lines as $line) {
            if (trim((string) $line) !== '') {
                $count++;
            }
        }

        return $count;
    }
}