#ifndef CST_PARLIAMENT_H
#define CST_PARLIAMENT_H

#include "cst_realm.h"

#include <stddef.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Parliament is one shared whole across agents. Password unlock claims the
 * single chair on the logging-in device; peers sync the same context. A new
 * project replaces all parliament context. */

typedef struct {
  char parliament_id[64];
  char project_id[64];
  char chair_instance[64];
  char chair_device[128];
  unsigned long revision;
  char status[32]; /* idle | open | dissolved */
} cst_parliament_meta_t;

int cst_parliament_path(char *out, size_t n);
int cst_parliament_load(cst_parliament_meta_t *m);
int cst_parliament_save(const cst_parliament_meta_t *m);

/* Login: unlock Realm with password, enroll/ensure instance, claim chair,
 * return handover summary (malloc'd) or NULL. */
char *cst_parliament_login(const char *password, const char *instance_id,
                           const char *device_label, char *err, size_t err_sz);

/* Only one chair: previous chair is demoted; handover notes left in meta. */
int cst_parliament_claim_chair(const char *instance_id, const char *device_label);

/* Probe local environment as device-private context (malloc'd text). */
char *cst_parliament_device_context(void);

/* New project: wipe shared parliament context; keep Realm keys. */
int cst_parliament_new_project(const char *project_id);

/* Append/replace synchronized context blob (all agents share this file). */
int cst_parliament_context_put(const char *text);
char *cst_parliament_context_get(void);

#ifdef __cplusplus
}
#endif

#endif