#include "config.h"
#include "gibber-debug.h"

#include <stdarg.h>

#include <glib.h>

#ifdef ENABLE_DEBUG

static DebugFlags flags = 0;
static gboolean initialized = FALSE;

static GDebugKey keys[] = {
  { "transport",         DEBUG_TRANSPORT         },
  { "net",               DEBUG_NET               },
  { "xmpp",              DEBUG_XMPP              },
  { "xmpp-reader",       DEBUG_XMPP_READER       },
  { "xmpp-writer",       DEBUG_XMPP_WRITER       },
  { "sasl",              DEBUG_SASL              },
  { "ssl",               DEBUG_SSL               },
  { "rmulticast",        DEBUG_RMULTICAST        },
  { "rmulticast-sender", DEBUG_RMULTICAST_SENDER },
  { "muc-connection",    DEBUG_MUC_CONNECTION    },
  { "bytestream",        DEBUG_BYTESTREAM        },
  { "ft",                DEBUG_FILE_TRANSFER     },
  { "all",               ~0                      },
  { 0, },
};

void gibber_debug_set_flags_from_env ()
{
  guint nkeys;
  const gchar *flags_string;

  for (nkeys = 0; keys[nkeys].value; nkeys++);

  flags_string = g_getenv ("GIBBER_DEBUG");

  if (flags_string)
    gibber_debug_set_flags (g_parse_debug_string (flags_string, keys, nkeys));

  initialized = TRUE;
}

void gibber_debug_set_flags (DebugFlags new_flags)
{
  flags |= new_flags;
  initialized = TRUE;
}

gboolean gibber_debug_flag_is_set (DebugFlags flag)
{
  return flag & flags;
}

void gibber_debug (DebugFlags flag,
                   const gchar *format,
                   ...)
{
  if (G_UNLIKELY(!initialized))
    gibber_debug_set_flags_from_env ();
  if (flag & flags)
    {
      va_list args;
      va_start (args, format);
      g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format, args);
      va_end (args);
    }
}

void
gibber_debug_stanza (DebugFlags flag,
                     WockyStanza *stanza,
                     const gchar *format,
                     ...)
{
  WockyNode *node = wocky_stanza_get_top_node (stanza);

  if (G_UNLIKELY(!initialized))
    gibber_debug_set_flags_from_env ();
  if (flag & flags)
    {
      va_list args;
      gchar *msg, *node_str;

      va_start (args, format);
      msg = g_strdup_vprintf (format, args);
      va_end (args);

      node_str = wocky_node_to_string (node);

      g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, "%s\n%s", msg, node_str);

      g_free (msg);
      g_free (node_str);
    }
}

#endif