#include <stdio.h>

Log_Level un_current_log_level = UN_LOG_INFO;

u8 log_buffer[UN_KB(4)];

void un_log_write_internal(Log_Level level, String format, va_list vaptr) {
    if (level < un_current_log_level) return;

    switch (level) {
        case UN_LOG_TRACE:
            fprintf(stderr, "[TRACE] ");
            break;
        case UN_LOG_DEBUG:
            fprintf(stderr, "[DEBUG] ");
            break;
        case UN_LOG_INFO:
            fprintf(stderr, "[INFO] ");
            break;
        case UN_LOG_WARNING:
            fprintf(stderr, "[WARNING] ");
            break;
        case UN_LOG_ERROR:
            fprintf(stderr, "[ERROR] ");
            break;
        case UN_LOG_FATAL:
            fprintf(stderr, "[FATAL] ");
            break;
        default:
            break;
    }

    sprintf(CSTR log_buffer, "%.*s", (int)format.size, format.data);
    vfprintf(stderr, CSTR log_buffer, vaptr);

    switch (level) {
        case UN_LOG_RAW:
            break;
        case UN_LOG_FATAL:
            fprintf(stderr, "\n");
            assert(false);
            break;
        default:
            fprintf(stderr, "\n");
            break;
    }
}

extern void un_log_write_cstring(Log_Level level, u8 *format, ...) {
    va_list vaptr;
    String temp;
    
    if (level < un_current_log_level) return;

    temp.size = un_string_get_length(format);
    temp.data = format;
    
    va_start(vaptr, format);
    un_log_write_internal(level, temp, vaptr);
    va_end(vaptr);
}

void un_log_write(Log_Level level, String format, ...) {
    va_list vaptr;
    
    if (level < un_current_log_level) return;

    va_start(vaptr, format);
    un_log_write_internal(level, format, vaptr);
    va_end(vaptr);
}