<?php

//one-time migration on plugin activation
//brings older widget instances up to the current option schema
function AdvancedSteamWidget_activate() {
	$widget_settings = get_option("widget_advancedsteamwidget");
	if (!is_array($widget_settings)) return;

	$modified = false;
	foreach ($widget_settings as $id => $settings) {
		if (!is_array($settings)) continue;

		//preserve any existing cache data into the new transient so the widget doesn't blank out post-upgrade
		if (isset($settings['cache']) && !AdvancedSteamWidget_get_cache($id)) {
			AdvancedSteamWidget_set_cache(
				$id,
				$settings['cache'],
				$settings['last_cached'] ?? time()
			);
		}

		//drop the old cache fields from the widget options. caches are moved to transients
		if (isset($settings['cache']) || isset($settings['last_cached'])) {
			unset($widget_settings[$id]['cache'], $widget_settings[$id]['last_cached']);
			$modified = true;
		}

		//migrate old preset/game_template/template to the new template slug field
		//custom-preset widgets reset to "games" template (their HTML/CSS content is discarded)
		if (isset($settings['preset'])) {
			$slug = ($settings['preset'] === 'custom') ? 'games' : $settings['preset'];
			$widget_settings[$id]['template'] = $slug;
			unset($widget_settings[$id]['preset'], $widget_settings[$id]['game_template']);
			$modified = true;
		}

		//rename legacy 'steam_id' key to 'profile_url' and normalize its value
		//old field held bare ids or vanity slugs
		if (isset($settings['steam_id'])) {
			$widget_settings[$id]['profile_url'] = AdvancedSteamWidget_normalize_profile_input($settings['steam_id']);
			unset($widget_settings[$id]['steam_id']);
			$modified = true;
		}
	}

	if ($modified) update_option("widget_advancedsteamwidget", $widget_settings);
}
register_activation_hook("advanced-steam-widget/advanced-steam-widget.php", "AdvancedSteamWidget_activate");