#include <stdio.h>

#include <lib.h>
#include <psyc/render.h>
#include <psyc/syntax.h>

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

/* example renderer generating a presence packet */
int testPresence (const char *avail, int availlen,
                  const char *desc, int desclen,
                  const char *rendered, uint8_t verbose)
{
	PsycModifier routing[1];
	psyc_modifier_init(&routing[0], C_GLYPH_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], C_GLYPH_OPERATOR_ASSIGN,
	                   PSYC_C2ARG("_degree_availability"),
	                   avail, availlen, PSYC_MODIFIER_CHECK_LENGTH);
	psyc_modifier_init(&entity[1], C_GLYPH_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_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 testList (const char *rendered, uint8_t verbose)
{
	PsycModifier routing[2];
	psyc_modifier_init(&routing[0], C_GLYPH_OPERATOR_SET,
	                   PSYC_C2ARG("_source"),
	                   PSYC_C2ARG(myUNI), PSYC_MODIFIER_ROUTING);
	psyc_modifier_init(&routing[1], C_GLYPH_OPERATOR_SET,
	                   PSYC_C2ARG("_context"),
	                   PSYC_C2ARG(myUNI), PSYC_MODIFIER_ROUTING);

	PsycString elems_text[] = {
		PSYC_C2STR("foo"),
		PSYC_C2STR("bar"),
		PSYC_C2STR("baz"),
	};

	PsycString elems_bin[] = {
		PSYC_C2STR("foo"),
		PSYC_C2STR("b|r"),
		PSYC_C2STR("baz\nqux"),
	};

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

	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], C_GLYPH_OPERATOR_SET,
	                   PSYC_C2ARG("_list_text"),
	                   buf_text, list_text.length, list_text.flag);
	psyc_modifier_init(&entity[1], C_GLYPH_OPERATOR_SET,
	                   PSYC_C2ARG("_list_binary"),
	                   buf_bin, list_bin.length, list_bin.flag);

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

	if (testList("\
:_source	psyc://10.100.1000/~ludwig\n\
:_context	psyc://10.100.1000/~ludwig\n\
85\n\
:_list_text	|foo|bar|baz\n\
:_list_binary 21	3 foo|3 b|r|7 baz\n\
qux\n\
_test_list\n\
list test\n\
|\n", verbose))
		return 2;

	puts("psyc_render passed all tests.");

	return 0;
}