#include "pkg.h"
#include "pkg_event.h"

static pkg_event_cb _cb = NULL;
static void *_data = NULL;

void
pkg_event_register(pkg_event_cb cb, void *data)
{
	_cb = cb;
	_data = data;
}

static void
pkg_emit_event(struct pkg_event *ev)
{
	if (_cb != NULL)
		_cb(_data, ev);
}

void
pkg_emit_error(const char *fmt, ...)
{
	struct pkg_event ev;
	va_list ap;

	ev.type = PKG_EVENT_ERROR;

	va_start(ap, fmt);
	vasprintf(&ev.e_pkg_error.msg, fmt, ap);
	va_end(ap);

	pkg_emit_event(&ev);
	free(ev.e_pkg_error.msg);
}

void
pkg_emit_errno(const char *func, const char *arg)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_ERRNO;
	ev.e_errno.func = func;
	ev.e_errno.arg = arg;

	pkg_emit_event(&ev);
}

void
pkg_emit_already_installed(struct pkg *p)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_ALREADY_INSTALLED;
	ev.e_already_installed.pkg = p;

	pkg_emit_event(&ev);
}

void
pkg_emit_fetching(const char *url, off_t total, off_t done, time_t elapsed)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_FETCHING;
	ev.e_fetching.url = url;
        ev.e_fetching.total = total;
        ev.e_fetching.done = done;
        ev.e_fetching.elapsed = elapsed;

	pkg_emit_event(&ev);
}

void
pkg_emit_install_begin(struct pkg *p)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_INSTALL_BEGIN;
	ev.e_install_begin.pkg = p;

	pkg_emit_event(&ev);
}

void
pkg_emit_install_finished(struct pkg *p)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_INSTALL_FINISHED;
	ev.e_install_finished.pkg = p;

	pkg_emit_event(&ev);
}

void
pkg_emit_integritycheck_begin(void)
{
	struct pkg_event ev;
	ev.type = PKG_EVENT_INTEGRITYCHECK_BEGIN;
	
	pkg_emit_event(&ev);
}

void
pkg_emit_integritycheck_finished(void)
{
	struct pkg_event ev;
	ev.type = PKG_EVENT_INTEGRITYCHECK_FINISHED;
	
	pkg_emit_event(&ev);
}

void
pkg_emit_deinstall_begin(struct pkg *p)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_DEINSTALL_BEGIN;
	ev.e_deinstall_begin.pkg = p;

	pkg_emit_event(&ev);
}

void
pkg_emit_deinstall_finished(struct pkg *p)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_DEINSTALL_FINISHED;
	ev.e_deinstall_finished.pkg = p;

	pkg_emit_event(&ev);
}

void
pkg_emit_upgrade_begin(struct pkg *p)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_UPGRADE_BEGIN;
	ev.e_upgrade_begin.pkg = p;

	pkg_emit_event(&ev);
}

void
pkg_emit_upgrade_finished(struct pkg *p)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_UPGRADE_FINISHED;
	ev.e_upgrade_finished.pkg = p;

	pkg_emit_event(&ev);
}

void
pkg_emit_missing_dep(struct pkg *p, struct pkg_dep *d)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_MISSING_DEP;
	ev.e_missing_dep.pkg = p;
	ev.e_missing_dep.dep = d;

	pkg_emit_event(&ev);
}

void
pkg_emit_required(struct pkg *p, int force)
{
	struct pkg_event ev;

	ev.type = PKG_EVENT_REQUIRED;
	ev.e_required.pkg = p;
	ev.e_required.force = force;

	pkg_emit_event(&ev);
}

