/* Copyright (c) 2015-2018 Dovecot authors, see the included COPYING file */

#ifndef PUSH_NOTIFICATION_EVENTS_H
#define PUSH_NOTIFICATION_EVENTS_H

#include "mail-types.h"

struct mail;
struct mailbox;
struct push_notification_event_config;
struct push_notification_driver_txn;
struct push_notification_txn;
struct push_notification_txn_event;
struct push_notification_txn_mbox;
struct push_notification_txn_msg;

struct push_notification_event_vfuncs_init {
    /* Return the default config for an event (or NULL if config is
     * required). */
    void *(*default_config)(void);
};

struct push_notification_event_vfuncs_mbox {
    /* Output debug information about a message event. */
    void (*debug_mbox)(struct push_notification_txn_event *event);
        /* Called when message data is about to be free'd. */
    void (*free_mbox)(struct push_notification_txn_event *event);
};

struct push_notification_event_vfuncs_mbox_triggers {
    /* Mailbox event: create mailbox. */
    void (*create)(struct push_notification_txn *ptxn,
                   struct push_notification_event_config *ec,
                   struct push_notification_txn_mbox *mbox);
    /* Mailbox event: delete mailbox. */
    void (*delete)(struct push_notification_txn *ptxn,
                   struct push_notification_event_config *ec,
                   struct push_notification_txn_mbox *mbox);
    /* Mailbox event: rename mailbox. */
    void (*rename)(struct push_notification_txn *ptxn,
                   struct push_notification_event_config *ec,
                   struct push_notification_txn_mbox *mbox,
                   struct mailbox *old);
    /* Mailbox event: subscribe mailbox. */
    void (*subscribe)(struct push_notification_txn *ptxn,
                      struct push_notification_event_config *ec,
                      struct push_notification_txn_mbox *mbox);
    /* Mailbox event: unsubscribe mailbox. */
    void (*unsubscribe)(struct push_notification_txn *ptxn,
                        struct push_notification_event_config *ec,
                        struct push_notification_txn_mbox *mbox);
};

struct push_notification_event_vfuncs_msg {
    /* Output debug information about a message event. */
    void (*debug_msg)(struct push_notification_txn_event *event);
    /* Called when message data is about to be free'd. */
    void (*free_msg)(struct push_notification_txn_event *event);
};

struct push_notification_event_vfuncs_msg_triggers {
    /* Message event: save message (from MTA). */
    void (*save)(struct push_notification_txn *ptxn,
                 struct push_notification_event_config *ec,
                 struct push_notification_txn_msg *msg,
                 struct mail *mail);
    /* Message event: append message (from MUA). */
    void (*append)(struct push_notification_txn *ptxn,
                   struct push_notification_event_config *ec,
                   struct push_notification_txn_msg *msg,
                   struct mail *mail);
    /* Message event: expunge message. */
    void (*expunge)(struct push_notification_txn *ptxn,
                    struct push_notification_event_config *ec,
                    struct push_notification_txn_msg *msg);
    /* Message event: flag change. */
    void (*flagchange)(struct push_notification_txn *ptxn,
                       struct push_notification_event_config *ec,
                       struct push_notification_txn_msg *msg,
                       struct mail *mail,
                       enum mail_flags old_flags);
    /* Message event: keyword change. */
    void (*keywordchange)(struct push_notification_txn *ptxn,
                          struct push_notification_event_config *ec,
                          struct push_notification_txn_msg *msg,
                          struct mail *mail,
                          const char *const *old_keywords);
};

struct push_notification_event_config {
    const struct push_notification_event *event;
    void *config;
};

struct push_notification_event {
    const char *name;
    struct push_notification_event_vfuncs_init init;
    struct push_notification_event_vfuncs_mbox mbox;
    struct push_notification_event_vfuncs_mbox_triggers mbox_triggers;
    struct push_notification_event_vfuncs_msg msg;
    struct push_notification_event_vfuncs_msg_triggers msg_triggers;
};

struct push_notification_txn_event {
    struct push_notification_event_config *event;
    void *data;
};

ARRAY_DEFINE_TYPE(push_notification_event,
                  const struct push_notification_event *);
extern ARRAY_TYPE(push_notification_event) push_notification_events;


void
push_notification_event_init(struct push_notification_driver_txn *dtxn,
                             const char *event_name, void *config);

void push_notification_event_register
(const struct push_notification_event *event);
void push_notification_event_unregister
(const struct push_notification_event *event);


#endif	/* PUSH_NOTIFICATION_EVENTS_H */

