/**
 * @file protocol.h
 * Rspamd protocol definition
 */

#ifndef RSPAMD_PROTOCOL_H
#define RSPAMD_PROTOCOL_H

#include "config.h"
#include "scan_result.h"
#include "libserver/http/http_connection.h"
#include "task.h"

#ifdef  __cplusplus
extern "C" {
#endif

#define RSPAMD_BASE_ERROR 500
#define RSPAMD_FILTER_ERROR RSPAMD_BASE_ERROR + 1
#define RSPAMD_NETWORK_ERROR RSPAMD_BASE_ERROR + 2
#define RSPAMD_PROTOCOL_ERROR RSPAMD_BASE_ERROR + 3
#define RSPAMD_LENGTH_ERROR RSPAMD_BASE_ERROR + 4
#define RSPAMD_STATFILE_ERROR RSPAMD_BASE_ERROR + 5

struct rspamd_protocol_log_symbol_result {
	guint32 id;
	float score;
};
struct rspamd_protocol_log_message_sum {
	guint32 nresults;
	guint32 nextra;
	guint32 settings_id;
	gdouble score;
	gdouble required_score;
	struct rspamd_protocol_log_symbol_result results[];
};

struct rspamd_metric;

/**
 * Process headers into HTTP message and set appropriate task fields
 * @param task
 * @param msg
 * @return
 */
gboolean rspamd_protocol_handle_headers (struct rspamd_task *task,
										 struct rspamd_http_message *msg);

/**
 * Process control chunk and update task structure accordingly
 * @param task
 * @param control
 * @return
 */
gboolean rspamd_protocol_handle_control (struct rspamd_task *task,
										 const ucl_object_t *control);

/**
 * Process HTTP request to the task structure
 * @param task
 * @param msg
 * @return
 */
gboolean rspamd_protocol_handle_request (struct rspamd_task *task,
										 struct rspamd_http_message *msg);

/**
 * Write task results to http message
 * @param msg
 * @param task
 */
void rspamd_protocol_http_reply (struct rspamd_http_message *msg,
								 struct rspamd_task *task, ucl_object_t **pobj);

/**
 * Write data to log pipes
 * @param task
 */
void rspamd_protocol_write_log_pipe (struct rspamd_task *task);

enum rspamd_protocol_flags {
	RSPAMD_PROTOCOL_BASIC = 1 << 0,
	RSPAMD_PROTOCOL_METRICS = 1 << 1,
	RSPAMD_PROTOCOL_MESSAGES = 1 << 2,
	RSPAMD_PROTOCOL_RMILTER = 1 << 3,
	RSPAMD_PROTOCOL_DKIM = 1 << 4,
	RSPAMD_PROTOCOL_URLS = 1 << 5,
	RSPAMD_PROTOCOL_EXTRA = 1 << 6,
};

#define RSPAMD_PROTOCOL_DEFAULT (RSPAMD_PROTOCOL_BASIC| \
        RSPAMD_PROTOCOL_METRICS| \
        RSPAMD_PROTOCOL_MESSAGES| \
        RSPAMD_PROTOCOL_RMILTER| \
        RSPAMD_PROTOCOL_DKIM| \
        RSPAMD_PROTOCOL_EXTRA)

/**
 * Write reply to ucl object filling log buffer
 * @param task
 * @param logbuf
 * @return
 */
ucl_object_t *rspamd_protocol_write_ucl (struct rspamd_task *task,
										 enum rspamd_protocol_flags flags);

/**
 * Write reply for specified task command
 * @param task task object
 * @return 0 if we wrote reply and -1 if there was some error
 */
void rspamd_protocol_write_reply (struct rspamd_task *task, ev_tstamp timeout);

/**
 * Convert rspamd output to legacy protocol reply
 * @param task
 * @param top
 * @param out
 */
void rspamd_ucl_torspamc_output (const ucl_object_t *top,
								 rspamd_fstring_t **out);

void rspamd_ucl_tospamc_output (const ucl_object_t *top,
								rspamd_fstring_t **out);

#ifdef  __cplusplus
}
#endif

#endif