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/*
* Copyright (C) 2026 Reiner Herrmann
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "event.h"
struct Configuration {
uint8_t version;
uint32_t enabled_extensions;
} __attribute__((__packed__));
#define SETTINGS_KEY 1
#define CONFIG_VERSION 1
#define NUM_EXTENSIONS 12
static struct Configuration configuration;
extern void reload_data();
static void config_persist() {
persist_write_data(SETTINGS_KEY, &configuration, sizeof(configuration));
/* recalculate events based on updated configuration */
init_events();
reload_data();
}
static void config_load_defaults() {
configuration.version = CONFIG_VERSION;
configuration.enabled_extensions = 0xffffffff;
}
static void config_load() {
config_load_defaults();
/* buffer remains unchanged if no data is persisted */
persist_read_data(SETTINGS_KEY, &configuration, sizeof(configuration));
if (configuration.version != CONFIG_VERSION) {
/* unknown persisted configuration format */
config_load_defaults();
}
}
static void config_inbox_received_handler(DictionaryIterator *iter, void *context) {
uint32_t old_enabled_extensions = configuration.enabled_extensions;
for (int i=0; i<NUM_EXTENSIONS; i++) {
Tuple *enabled_extension = dict_find(iter, MESSAGE_KEY_enabled_extensions + i);
if (enabled_extension) {
bool val = enabled_extension->value->uint8;
/* clear bit */
configuration.enabled_extensions &= ~(1 << i);
/* set value into bit */
configuration.enabled_extensions |= (val << i);
}
}
if (old_enabled_extensions != configuration.enabled_extensions) {
/* only persist if something changed */
config_persist();
}
}
void config_init() {
config_load();
app_message_register_inbox_received(config_inbox_received_handler);
app_message_open(128, 128);
}
void config_deinit() {
app_message_deregister_callbacks();
}
uint32_t config_get_enabled_extensions() {
return configuration.enabled_extensions;
}
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