#include <scc_pos_log.h>

static int user_log_handler(logger_t *module, log_level_t level,
                            const char *file, int line, const char *func,
                            const char *fmt, ...) {

    /* clang-format off */
    (void) module, (void)file, (void)line, (void)func; // 不再使用

    const char *level_str = null;
    switch (level) {
    case LOG_LEVEL_DEBUG: level_str = "DEBUG"; break;
    case LOG_LEVEL_INFO:  level_str = "INFO "; break;
    case LOG_LEVEL_WARN:  level_str = "WARN "; break;
    case LOG_LEVEL_ERROR: level_str = "ERROR"; break;
    case LOG_LEVEL_FATAL: level_str = "FATAL"; break;
    case LOG_LEVEL_TRACE: level_str = "TRACE"; break;
    default:              level_str = "NOTSET"; break;
    }
    /// @note: 定义 __LOG_NO_COLOR__ 会取消颜色输出
    #ifndef __LOG_NO_COLOR__
    const char *color_code;
    switch (level) {
        case LOG_LEVEL_DEBUG: color_code = ANSI_FG_CYAN; break;
        case LOG_LEVEL_INFO:  color_code = ANSI_FG_GREEN; break;
        case LOG_LEVEL_TRACE: color_code = ANSI_FG_BLUE; break;
        case LOG_LEVEL_WARN:  color_code = ANSI_FG_YELLOW; break;
        case LOG_LEVEL_ERROR: color_code = ANSI_FG_RED; break;
        case LOG_LEVEL_FATAL: color_code = ANSI_FG_RED ANSI_UNDERLINED; break;
        default: color_code = ANSI_NONE;
    }
    #endif
    /* clang-format on */
    char buf[LOGGER_MAX_BUF_SIZE];
    int off =
        snprintf_(buf, sizeof(buf), "%s[%s]%s ", color_code ? color_code : "",
                  level_str, color_code ? ANSI_NONE : "");

    va_list args;
    va_start(args, fmt);
    vsnprintf_(buf + off, sizeof(buf) - off, fmt, args);
    va_end(args);

    log_puts(buf);
    log_puts("\n");

    if (level == LOG_LEVEL_FATAL)
        log_exit(1);
    return 0;
}

logger_t __scc_usr_log = {
    .name = "user",
    .handler = user_log_handler,
    .level = LOG_LEVEL_ALL,
};