#include <blue/core/queue.h>
#include <blue/core/stringstream.h>
#include <blue/ds/string.h>
#include <ivy/ident.h>
#include <stdlib.h>
#include <string.h>

struct ivy_ident *ivy_ident_create(void)
{
	struct ivy_ident *id = malloc(sizeof *id);

	if (!id) {
		return NULL;
	}

	memset(id, 0x0, sizeof *id);

	return id;
}

void ivy_ident_destroy(struct ivy_ident *ident)
{
	b_queue_entry *entry = b_queue_first(&ident->id_parts);
	while (entry) {
		struct ivy_ident_part *part
			= b_unbox(struct ivy_ident_part, entry, p_entry);
		b_queue_entry *next = b_queue_next(entry);
		b_queue_delete(&ident->id_parts, entry);

		free(part->p_str);
		free(part);

		entry = next;
	}

	free(ident);
}

void ivy_ident_add_part(struct ivy_ident *ident, const char *s)
{
	struct ivy_ident_part *part = malloc(sizeof *part);
	if (!part) {
		return;
	}

	memset(part, 0x0, sizeof *part);

	part->p_str = b_strdup(s);

	b_queue_push_back(&ident->id_parts, &part->p_entry);
}

size_t ivy_ident_to_string(const struct ivy_ident *ident, char *out, size_t max)
{
	b_stringstream *strv = b_stringstream_create_with_buffer(out, max);

	int i = 0;
	b_queue_entry *entry = b_queue_first(&ident->id_parts);
	while (entry) {
		if (i > 0) {
			b_stream_write_char(strv, '.');
		}

		struct ivy_ident_part *part
			= b_unbox(struct ivy_ident_part, entry, p_entry);
		b_stream_write_string(strv, part->p_str, NULL);
		i++;
	}

	/* TODO return string length. */
	return 0;
}