#include "common/duration.h"
#include "common/printing.h"
#include "common/jsonconfig.h"
#include "common/time.h"
#include "common/strutil.h"
#include "detection/uptime/uptime.h"
#include "modules/uptime/uptime.h"

bool ffPrintUptime(FFUptimeOptions* options) {
    FFUptimeResult result = {};

    const char* error = ffDetectUptime(&result);

    if (error) {
        ffPrintError(FF_UPTIME_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
        return false;
    }

    uint64_t uptime = result.uptime;
    FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
    ffDurationAppendNum((uptime + 500) / 1000, &buffer);

    if (options->moduleArgs.outputFormat.length == 0) {
        ffPrintLogoAndKey(FF_UPTIME_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT);
        ffStrbufPutTo(&buffer, stdout);
    } else {
        uint32_t milliseconds = (uint32_t) (uptime % 1000);
        uptime /= 1000;
        uint32_t seconds = (uint32_t) (uptime % 60);
        uptime /= 60;
        uint32_t minutes = (uint32_t) (uptime % 60);
        uptime /= 60;
        uint32_t hours = (uint32_t) (uptime % 24);
        uptime /= 24;
        uint32_t days = (uint32_t) uptime;

        FFTimeGetAgeResult age = ffTimeGetAge(result.bootTime, ffTimeGetNow());

        FF_PRINT_FORMAT_CHECKED(FF_UPTIME_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, ((FFformatarg[]) { FF_ARG(days, "days"), FF_ARG(hours, "hours"), FF_ARG(minutes, "minutes"), FF_ARG(seconds, "seconds"), FF_ARG(milliseconds, "milliseconds"), { FF_ARG_TYPE_STRING, ffTimeToShortStr(result.bootTime), "boot-time" }, FF_ARG(age.years, "years"), FF_ARG(age.daysOfYear, "days-of-year"), FF_ARG(age.yearsFraction, "years-fraction"), FF_ARG(buffer, "formatted") }));
    }

    return true;
}

void ffParseUptimeJsonObject(FFUptimeOptions* options, yyjson_val* module) {
    yyjson_val *key, *val;
    size_t idx, max;
    yyjson_obj_foreach (module, idx, max, key, val) {
        if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs)) {
            continue;
        }

        ffPrintError(FF_UPTIME_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", unsafe_yyjson_get_str(key));
    }
}

void ffGenerateUptimeJsonConfig(FFUptimeOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
    ffJsonConfigGenerateModuleArgsConfig(doc, module, &options->moduleArgs);
}

bool ffGenerateUptimeJsonResult([[maybe_unused]] FFUptimeOptions* options, yyjson_mut_doc* doc, yyjson_mut_val* module) {
    FFUptimeResult result;
    const char* error = ffDetectUptime(&result);

    if (error) {
        yyjson_mut_obj_add_str(doc, module, "error", error);
        return false;
    }

    yyjson_mut_val* obj = yyjson_mut_obj_add_obj(doc, module, "result");
    yyjson_mut_obj_add_uint(doc, obj, "uptime", result.uptime);
    yyjson_mut_obj_add_strcpy(doc, obj, "bootTime", ffTimeToFullStr(result.bootTime));

    return true;
}

void ffInitUptimeOptions(FFUptimeOptions* options) {
    ffOptionInitModuleArg(&options->moduleArgs, "");
}

void ffDestroyUptimeOptions(FFUptimeOptions* options) {
    ffOptionDestroyModuleArg(&options->moduleArgs);
}

FFModuleBaseInfo ffUptimeModuleInfo = {
    .name = FF_UPTIME_MODULE_NAME,
    .description = "Print how long the system has been running",
    .initOptions = (void*) ffInitUptimeOptions,
    .destroyOptions = (void*) ffDestroyUptimeOptions,
    .parseJsonObject = (void*) ffParseUptimeJsonObject,
    .printModule = (void*) ffPrintUptime,
    .generateJsonResult = (void*) ffGenerateUptimeJsonResult,
    .generateJsonConfig = (void*) ffGenerateUptimeJsonConfig,
    .formatArgs = FF_FORMAT_ARG_LIST(((FFModuleFormatArg[]) {
        { "Days after boot", "days" },
        { "Hours after boot", "hours" },
        { "Minutes after boot", "minutes" },
        { "Seconds after boot", "seconds" },
        { "Milliseconds after boot", "milliseconds" },
        { "Boot time in local timezone", "boot-time" },
        { "Years integer after boot", "years" },
        { "Days of year after boot", "days-of-year" },
        { "Years fraction after boot", "years-fraction" },
        { "Formatted uptime", "formatted" },
    })),
    .defaultOrder = 11,
};
