<?php
/**
 * Theme Defaults - Provides default values for all customizable design tokens.
 *
 * These defaults match the original hardcoded values so existing sites
 * see no visual change when upgrading.
 *
 * @package OTS_Theme
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Return the full array of default design-token values.
 *
 * Keys mirror the theme-mod names used throughout the customisation system.
 *
 * @return array<string,string>
 */
function oribi_get_theme_defaults() {

	return [

		/* ── Light-mode colour palette ──────────────────────── */
		'color_primary'     => '#004225',
		'color_primary_dk'  => '#002E1A',
		'color_primary_lt'  => '#E8F5E9',
		'color_accent'      => '#4CAF50',
		'color_accent_dk'   => '#388E3C',
		'color_accent_lt'   => '#E8F5E9',
		'color_dark'        => '#111111',
		'color_dark_2'      => '#1A1A1A',
		'color_text'        => '#333333',
		'color_text_muted'  => '#666666',
		'color_border'      => '#E0E0E0',
		'color_bg'          => '#FFFFFF',
		'color_bg_alt'      => '#F5F5F5',

		/* ── Dark-mode colour palette ───────────────────────── */
		'dark_primary'      => '#4CAF50',
		'dark_primary_dk'   => '#004225',
		'dark_primary_lt'   => 'rgba(0,66,37,0.15)',
		'dark_accent'       => '#66BB6A',
		'dark_accent_dk'    => '#4CAF50',
		'dark_accent_lt'    => 'rgba(76,175,80,0.15)',
		'dark_dark'         => '#E0E0E0',
		'dark_dark_2'       => '#BDBDBD',
		'dark_text'         => '#E0E0E0',
		'dark_text_muted'   => '#9E9E9E',
		'dark_border'       => '#333333',
		'dark_bg'           => '#1A1A1A',
		'dark_bg_alt'       => '#222222',
		'dark_bg_dark'      => '#111111',
		'dark_heading'      => '#F5F5F5',
		'dark_card_bg'      => '#222222',

		/* ── Typography ─────────────────────────────────────── */
		'font_family'       => 'inter',      // slug from WP Font Library
		'font_heading'      => '',            // empty = same as body

		/* ── Border radii ───────────────────────────────────── */
		'radius_sm'         => '6',
		'radius_md'         => '12',
		'radius_lg'         => '20',
		'radius_xl'         => '32',

		/* ── Spacing / layout ───────────────────────────────── */
		'container_max'     => '1200',
		'container_pad_min' => '1',
		'container_pad_max' => '2',
		'wide_size'         => '1536',
	];
}

/**
 * Retrieve a single design-token value, respecting saved theme-mod overrides.
 *
 * @param string $key Token name (e.g. 'color_primary').
 * @return string
 */
function oribi_get_setting( $key ) {
	$defaults = oribi_get_theme_defaults();
	$default  = isset( $defaults[ $key ] ) ? $defaults[ $key ] : '';
	return get_theme_mod( 'oribi_' . $key, $default );
}

/**
 * Persist the current set of defaults into theme-mods (one-time migration).
 *
 * Called the first time the settings page is loaded, so that existing sites
 * start with their current visual identity already stored.
 */
function oribi_maybe_seed_defaults() {

	if ( get_theme_mod( 'oribi_defaults_seeded' ) ) {
		return;
	}

	$defaults = oribi_get_theme_defaults();

	foreach ( $defaults as $key => $value ) {
		// Only set if the user hasn't already saved a value.
		if ( false === get_theme_mod( 'oribi_' . $key, false ) ) {
			set_theme_mod( 'oribi_' . $key, $value );
		}
	}

	set_theme_mod( 'oribi_defaults_seeded', true );
}