#include <stdio.h>

#include <lib.h>
#include <psyc.h>

#define myUNI	"psyc://10.100.1000/~ludwig"

/* example renderer generating a presence packet */
int
test_presence (char *avail, int availlen,
	       char *desc, int desclen,
	       char *rendered, uint8_t verbose)
{
    PsycModifier routing[1];
    psyc_modifier_init(&routing[0], PSYC_OPERATOR_SET,
		       PSYC_C2ARG("_context"),
		       PSYC_C2ARG(myUNI), PSYC_MODIFIER_ROUTING);

    PsycModifier entity[2];
    // presence is to be assigned permanently in distributed state
    psyc_modifier_init(&entity[0], PSYC_OPERATOR_ASSIGN,
		       PSYC_C2ARG("_degree_availability"),
		       avail, availlen, PSYC_MODIFIER_CHECK_LENGTH);
    psyc_modifier_init(&entity[1], PSYC_OPERATOR_ASSIGN,
		       PSYC_C2ARG("_description_presence"),
		       desc, desclen, PSYC_MODIFIER_CHECK_LENGTH);

    PsycPacket packet;
    psyc_packet_init(&packet, routing, PSYC_NUM_ELEM(routing),
		     entity, PSYC_NUM_ELEM(entity),
		     PSYC_C2ARG("_notice_presence"),
		     NULL, 0,
		     PSYC_STATE_NOOP,
		     PSYC_PACKET_CHECK_LENGTH);

    char buffer[512];
    psyc_render(&packet, buffer, sizeof(buffer));
    if (verbose)
	printf("%.*s\n", (int)packet.length, buffer);
    return strncmp(rendered, buffer, packet.length);
}

int
test_list (const char *rendered, uint8_t verbose)
{
    PsycModifier routing[2];
    psyc_modifier_init(&routing[0], PSYC_OPERATOR_SET,
		       PSYC_C2ARG("_source"),
		       PSYC_C2ARG(myUNI), PSYC_MODIFIER_ROUTING);
    psyc_modifier_init(&routing[1], PSYC_OPERATOR_SET,
		       PSYC_C2ARG("_context"),
		       PSYC_C2ARG(myUNI), PSYC_MODIFIER_ROUTING);

    PsycElem elems_text[] = {
	PSYC_ELEM_V("foo", 3),
	PSYC_ELEM_V("bar", 3),
	PSYC_ELEM_V("baz", 3),
    };

    PsycElem elems_bin[] = {
	PSYC_ELEM_V("foo", 3),
	PSYC_ELEM_V("b|r", 3),
	PSYC_ELEM_V("baz\nqux", 7),
    };

    PsycList list_text, list_bin;
    psyc_list_init(&list_text, elems_text, PSYC_NUM_ELEM(elems_text));
    psyc_list_init(&list_bin, elems_bin, PSYC_NUM_ELEM(elems_bin));

    char buf_text[32], buf_bin[32];
    psyc_render_list(&list_text, buf_text, sizeof(buf_text));
    psyc_render_list(&list_bin, buf_bin, sizeof(buf_bin));

    PsycModifier entity[2];
    psyc_modifier_init(&entity[0], PSYC_OPERATOR_SET,
		       PSYC_C2ARG("_list_text"),
		       buf_text, list_text.length,
		       PSYC_MODIFIER_CHECK_LENGTH);
    psyc_modifier_init(&entity[1], PSYC_OPERATOR_SET,
		       PSYC_C2ARG("_list_binary"),
		       buf_bin, list_bin.length,
		       PSYC_MODIFIER_CHECK_LENGTH);

    PsycPacket packet;
    psyc_packet_init(&packet, routing, PSYC_NUM_ELEM(routing),
		     entity, PSYC_NUM_ELEM(entity),
		     PSYC_C2ARG("_test_list"),
		     PSYC_C2ARG("list test"),
		     PSYC_STATE_NOOP,
		     PSYC_PACKET_CHECK_LENGTH);

    char buffer[512];
    psyc_render(&packet, buffer, sizeof(buffer));
    if (verbose)
	printf("%.*s\n", (int)packet.length, buffer);
    return strncmp(rendered, buffer, packet.length);
}

int
main (int argc, char **argv)
{
    uint8_t verbose = argc > 1;

    if (test_presence(PSYC_C2ARG("_here"), PSYC_C2ARG("I'm omnipresent right now"), "\
:_context\t" myUNI "\n\
97\n\
=_degree_availability\t_here\n\
=_description_presence 25\tI'm omnipresent right now\n\
_notice_presence\n\
|\n", verbose))
	return 1;

    if (test_list("\
:_source	psyc://10.100.1000/~ludwig\n\
:_context	psyc://10.100.1000/~ludwig\n\
90\n\
:_list_text 15	| foo| bar| baz\n\
:_list_binary 20	| foo|3 b|r| baz\n\
qux\n\
_test_list\n\
list test\n\
|\n", verbose))
	return 2;

    puts("psyc_render passed all tests.");

    return 0;
}