/* $Id$ */
/* Copyright (c) 2014-2020 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Phone */
/* Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY ITS AUTHORS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */



#include <System.h>
#include "command.h"


/* HayesCommand */
/* private */
/* types */
struct _HayesCommand
{
	HayesCommandPriority priority;
	HayesCommandStatus status;

	/* request */
	String * attention;
	unsigned int timeout;
	HayesCommandCallback callback;
	HayesChannel * channel;

	/* answer */
	String * answer;

	/* XXX should be handled a better way */
	void * data;
};


/* public */
/* functions */
/* hayes_command_new */
HayesCommand * hayes_command_new(char const * attention)
{
	HayesCommand * command;

	if((command = object_new(sizeof(*command))) == NULL)
		return NULL;
	command->priority = HCP_NORMAL;
	command->status = HCS_UNKNOWN;
	command->attention = string_new(attention);
	command->timeout = 30000;
	command->callback = NULL;
	command->channel = NULL;
	command->answer = NULL;
	command->data = NULL;
	if(command->attention == NULL)
	{
		hayes_command_delete(command);
		return NULL;
	}
	return command;
}


/* hayes_command_new_copy */
HayesCommand * hayes_command_new_copy(HayesCommand const * command)
{
	HayesCommand * ret;

	if((ret = hayes_command_new(command->attention)) == NULL)
		return NULL;
	ret->priority = command->priority;
	ret->timeout = command->timeout;
	ret->callback = command->callback;
	ret->channel = command->channel;
	return ret;
}


/* hayes_command_delete */
void hayes_command_delete(HayesCommand * command)
{
	string_delete(command->attention);
	string_delete(command->answer);
	object_delete(command);
}


/* accessors */
/* hayes_command_get_answer */
char const * hayes_command_get_answer(HayesCommand * command)
{
	return command->answer;
}


/* hayes_command_get_attention */
char const * hayes_command_get_attention(HayesCommand * command)
{
	return command->attention;
}


/* hayes_command_get_data */
void * hayes_command_get_data(HayesCommand * command)
{
	return command->data;
}


/* hayes_command_get_priority */
HayesCommandPriority hayes_command_get_priority(HayesCommand * command)
{
	return command->priority;
}


/* hayes_command_get_status */
HayesCommandStatus hayes_command_get_status(HayesCommand * command)
{
	return command->status;
}


/* hayes_command_get_timeout */
unsigned int hayes_command_get_timeout(HayesCommand * command)
{
	return command->timeout;
}


/* hayes_command_is_complete */
int hayes_command_is_complete(HayesCommand * command)
{
	return command->status == HCS_SUCCESS
		|| command->status == HCS_ERROR
		|| command->status == HCS_TIMEOUT;
}


/* hayes_command_set_callback */
void hayes_command_set_callback(HayesCommand * command,
		HayesCommandCallback callback, HayesChannel * channel)
{
	command->callback = callback;
	command->channel = channel;
}


/* hayes_command_set_id */
void hayes_command_set_data(HayesCommand * command, void * data)
{
	command->data = data;
}


/* hayes_command_set_priority */
void hayes_command_set_priority(HayesCommand * command,
		HayesCommandPriority priority)
{
	command->priority = priority;
}


/* hayes_command_set_status */
HayesCommandStatus hayes_command_set_status(HayesCommand * command,
		HayesCommandStatus status)
{
	command->status = status;
	return hayes_command_callback(command);
}


/* hayes_command_set_timeout */
void hayes_command_set_timeout(HayesCommand * command,
		unsigned int timeout)
{
	command->timeout = timeout;
}


/* useful */
/* hayes_command_answer_append */
int hayes_command_answer_append(HayesCommand * command,
		char const * answer)
{
	String * p;

	if(answer == NULL)
		return 0;
	if(command->answer == NULL)
		p = string_new(answer);
	else
		p = string_new_append(command->answer, "\n", answer, NULL);
	if(p == NULL)
		return -1;
	string_delete(command->answer);
	command->answer = p;
	return 0;
}


/* hayes_command_callback */
HayesCommandStatus hayes_command_callback(HayesCommand * command)
{
	if(command->callback != NULL)
		command->status = command->callback(command, command->status,
				command->channel);
	return command->status;
}