#include "system_settings.h"
#include <loader/loader.h>

static uint8_t
    uint32_value_index(const uint32_t value, const uint32_t values[], uint8_t values_count) {
    int64_t last_value = INT64_MIN;
    uint8_t index = 0;
    for(uint8_t i = 0; i < values_count; i++) {
        if((value >= last_value) && (value <= values[i])) {
            index = i;
            break;
        }
        last_value = values[i];
    }
    return index;
}

const char* const log_level_text[] = {
    "Default",
    "None",
    "Error",
    "Warning",
    "Info",
    "Debug",
    "Trace",
};

const uint32_t log_level_value[] = {
    FuriLogLevelDefault,
    FuriLogLevelNone,
    FuriLogLevelError,
    FuriLogLevelWarn,
    FuriLogLevelInfo,
    FuriLogLevelDebug,
    FuriLogLevelTrace,
};

static void log_level_changed(VariableItem* item) {
    // SystemSettings* app = variable_item_get_context(item);
    uint8_t index = variable_item_get_current_value_index(item);
    variable_item_set_current_value_text(item, log_level_text[index]);
    furi_hal_rtc_set_log_level(log_level_value[index]);
}

const char* const debug_text[] = {
    "Disable",
    "Enable",
};

static void debug_changed(VariableItem* item) {
    uint8_t index = variable_item_get_current_value_index(item);
    variable_item_set_current_value_text(item, debug_text[index]);
    if(index) {
        furi_hal_rtc_set_flag(FuriHalRtcFlagDebug);
    } else {
        furi_hal_rtc_reset_flag(FuriHalRtcFlagDebug);
    }
    loader_update_menu();
}

static uint32_t system_settings_exit(void* context) {
    return VIEW_NONE;
}

SystemSettings* system_settings_alloc() {
    SystemSettings* app = malloc(sizeof(SystemSettings));

    // Load settings
    app->gui = furi_record_open("gui");

    app->view_dispatcher = view_dispatcher_alloc();
    view_dispatcher_enable_queue(app->view_dispatcher);
    view_dispatcher_set_event_callback_context(app->view_dispatcher, app);

    view_dispatcher_attach_to_gui(app->view_dispatcher, app->gui, ViewDispatcherTypeFullscreen);

    VariableItem* item;
    uint8_t value_index;
    app->var_item_list = variable_item_list_alloc();

    item = variable_item_list_add(
        app->var_item_list, "Log Level", COUNT_OF(log_level_text), log_level_changed, app);
    value_index = uint32_value_index(
        furi_hal_rtc_get_log_level(), log_level_value, COUNT_OF(log_level_text));
    variable_item_set_current_value_index(item, value_index);
    variable_item_set_current_value_text(item, log_level_text[value_index]);

    item = variable_item_list_add(
        app->var_item_list, "Debug", COUNT_OF(debug_text), debug_changed, app);
    value_index = furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug) ? 1 : 0;
    variable_item_set_current_value_index(item, value_index);
    variable_item_set_current_value_text(item, debug_text[value_index]);

    view_set_previous_callback(
        variable_item_list_get_view(app->var_item_list), system_settings_exit);
    view_dispatcher_add_view(
        app->view_dispatcher,
        SystemSettingsViewVarItemList,
        variable_item_list_get_view(app->var_item_list));

    view_dispatcher_switch_to_view(app->view_dispatcher, SystemSettingsViewVarItemList);

    return app;
}

void system_settings_free(SystemSettings* app) {
    furi_assert(app);
    // Variable item list
    view_dispatcher_remove_view(app->view_dispatcher, SystemSettingsViewVarItemList);
    variable_item_list_free(app->var_item_list);
    // View dispatcher
    view_dispatcher_free(app->view_dispatcher);
    // Records
    furi_record_close("gui");
    free(app);
}

int32_t system_settings_app(void* p) {
    SystemSettings* app = system_settings_alloc();
    view_dispatcher_run(app->view_dispatcher);
    system_settings_free(app);
    return 0;
}