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#ifndef IMAP_URLAUTH_CLIENT_H
#define IMAP_URLAUTH_CLIENT_H

struct client;
struct mail_storage;

enum imap_urlauth_worker_state {
	IMAP_URLAUTH_WORKER_STATE_INACTIVE = 0,
	IMAP_URLAUTH_WORKER_STATE_CONNECTED,
	IMAP_URLAUTH_WORKER_STATE_ACTIVE,
};

struct client {
	struct client *prev, *next;

	int fd_in, fd_out, fd_ctrl;
	struct io *ctrl_io;
	struct ostream *output, *ctrl_output;
	struct istream *ctrl_input;
	struct timeout *to_idle;
	struct event *event;

	char *username, *service;
	ARRAY_TYPE(const_string) access_apps;

	/* settings: */
	const struct imap_urlauth_settings *set;

	enum imap_urlauth_worker_state worker_state;

	bool disconnected:1;
};

extern struct client *imap_urlauth_clients;
extern unsigned int imap_urlauth_client_count;

int client_create(const char *service, const char *username,
		  int fd_in, int fd_out, const struct imap_urlauth_settings *set,
		  struct client **client_r);
void client_destroy(struct client *client, const char *reason);

void client_send_line(struct client *client, const char *fmt, ...)
	ATTR_FORMAT(2, 3);

void client_disconnect(struct client *client, const char *reason);

void clients_destroy_all(void);

#endif