#include <stdio.h>
#include <string.h>
#include <libircclient.h>

typedef struct {
	char *channel;
	char *log;
} irc_ctx_t;

void event_connect(irc_session_t *session, const char *event, const char *origin
		, const char **params, unsigned int count)
{
	irc_ctx_t *ctx = (irc_ctx_t *)irc_get_ctx(session);
	irc_cmd_join(session, ctx->channel, NULL);
}

void event_join(irc_session_t *session, const char *event, const char *origin
		, const char **params, unsigned int count)
{
	irc_ctx_t *ctx = (irc_ctx_t *)irc_get_ctx(session);
	FILE *fp = fopen(ctx->log, "r");
	size_t n = 0;
	int c;
	while ((c = fgetc(fp)) != EOF)
		n++;
	char message[n + 1];
	n = 0;
	fp = freopen(ctx->log, "r", fp);
	while ((c = fgetc(fp)) != EOF) {
		if (c == '\n')
			message[n++] = '\t';
		else
			message[n++] = c;
	}
	message[n] = '\0';
	fclose(fp);

	irc_cmd_user_mode(session, "+i");
	irc_cmd_msg(session, params[0], message);
	irc_cmd_quit(session, "Leaving.");
}

int main (int argc, char *argv[])
{
	if (argc != 3) {
		printf("Usage: %s <channel> <log>\n", argv[0]);
		return 1;
	}
	irc_ctx_t ctx = {argv[1], argv[2]};

	irc_callbacks_t	callbacks;
	memset(&callbacks, 0, sizeof(callbacks));
	callbacks.event_connect = event_connect;
	callbacks.event_join = event_join;

	irc_session_t *session = irc_create_session(&callbacks);
	if (!session) {
		printf("Could not create session\n");
		return 1;
	}
	irc_set_ctx(session, &ctx);

	if (irc_connect(session, "darapsa.net", 6667, 0, "dircpsa", "git"
				, "dircpsa")) {
		printf("Could not connect: %s\n"
				, irc_strerror(irc_errno(session)));
		return 1;
	}

	if (irc_run(session)) {
		int errno = irc_errno(session);
		if (errno == LIBIRC_ERR_TERMINATED)
			return 0;
		else {
			printf("Could not connect or I/O error: %s\n", irc_strerror(errno));
			return 1;
		}
	}

	return 0;
}