#include "include/LLog.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "time.h"
#include <stdarg.h>

int timer_array_append(timer_array* array, lTimer timer) {
    if (array->count >= array->capacity) {
        if (array->capacity == 0) array->capacity = 8;
        else array->capacity *= 2;

        array->items = realloc(array->items, array->capacity * sizeof(*array->items));
    }
    array->items[array->count++] = timer;
    return array->count - 1;
}

int lLogString_array_append(lLogString_array* array, lLogString* string) {
    if (array->count >= array->capacity) {
        if (array->capacity == 0) array->capacity = 8;
        else array->capacity *= 2;

        array->items = realloc(array->items, array->capacity * sizeof(*array->items));
    }
    array->items[array->count++] = string;
    return array->count - 1;
}

int create_timer(Logger* logger) {
    return timer_array_append(&logger->timers, (lTimer){});
}

void start_timer(Logger* logger, int timer_id) {
    if (logger->timers.count < (timer_id + 1)) return;
    logger->timers.items[timer_id].time.start = time(NULL);
}

void stop_timer(Logger* logger, int timer_id) {
    if (logger->timers.count < (timer_id + 1)) return;
    logger->timers.items[timer_id].time.end = time(NULL);
}

lLogString* lLogString_new(const char* fmt, ...) {
    va_list args;
    va_start(args, fmt);

    char temp_string[max_string_len];
    vsnprintf(temp_string, max_string_len, fmt, args);
    
    va_end(args);
    
    lLogString* str = calloc(1, sizeof(lLogString));
    str->len = strlen(temp_string);

    str->buf = malloc(str->len + 1);
    if (str->buf != NULL) {
        strcpy(str->buf, temp_string);
    }

    return str;
};

int lLog(Logger* logger, enum lLogLevel LOG_LEVEL, lLogString* MESSAGE) {
    char* LOG_LEVEL_STRING = LOG_LEVEL == 0 ? "INFO" :
                             LOG_LEVEL == 1 ? "WARNING" :
                             LOG_LEVEL == 2 ? "ERROR" :
                             LOG_LEVEL == 3 ? "DEBUG" :
                             "invalid_log_level";

    printf("[%s]: %.*s\n", LOG_LEVEL_STRING, (int)MESSAGE->len, MESSAGE->buf);
    return lLogString_array_append(&logger->history, MESSAGE);
}