#pragma once

#include <stdbool.h>
#include <stddef.h>
#include "esp_err.h"

#ifdef __cplusplus
extern "C" {
#endif

#define PLATFORM_DEVICE_ID_MAX 37
#define PLATFORM_DEVICE_SECRET_MAX 129
#define PLATFORM_HARDWARE_ID_MAX 65

typedef struct {
    char instance_id[201];
    char product_key[201];
    char device_name[129];
    char device_secret[257];
    char hardware_id[PLATFORM_HARDWARE_ID_MAX];
} platform_volc_credential_t;

typedef struct {
    char conversation_id[37];
    char bot_id[201];
    char provider_session_ref[201];
    char session_nonce[257];
    char config_digest[65];
    char *session_update_json;
    bool native_subtitle_primary;
} platform_agent_session_t;

esp_err_t platform_identity_save(const char *device_id, const char *device_secret);
bool platform_identity_is_configured(void);
const char *platform_last_error_code(void);
esp_err_t platform_client_init(void);
const char *platform_hardware_id(void);
const platform_volc_credential_t *platform_volc_credential(void);
esp_err_t platform_provision_volc_credential(void);
esp_err_t platform_recover_pending_conversation(void);
esp_err_t platform_create_agent_session(platform_agent_session_t *session);
esp_err_t platform_report_session_started(const platform_agent_session_t *session,
                                          const char *provider_connection_ref);
esp_err_t platform_report_session_event(const platform_agent_session_t *session,
                                        const char *event_type,
                                        const char *error_code);
void platform_agent_session_free(platform_agent_session_t *session);

/* Link-safe hooks used by the vendor application component. */
const char *platform_runtime_instance_id(void);
const char *platform_runtime_product_key(void);
const char *platform_runtime_device_name(void);
const char *platform_runtime_device_secret(void);
esp_err_t platform_conversation_begin(void);
const char *platform_conversation_bot_id(void);
const char *platform_conversation_update_json(void);
esp_err_t platform_conversation_started(const char *provider_connection_ref);
int platform_conversation_poll(void);
esp_err_t platform_conversation_turn(const char *speaker, const char *source_id, const char *text);
void platform_conversation_finish(bool failed, const char *error_code);

#ifdef __cplusplus
}
#endif