#pragma once

/**
** \defgroup ssb_db SSB Database
** This is the main interface to SSB persistence.  Everything about getting and
** storing messages and blobs goes through here.
** @{
*/

#include "ssb.h"

#include "quickjs.h"

#include <stdbool.h>

typedef struct _tf_ssb_t tf_ssb_t;

void tf_ssb_db_init(tf_ssb_t* ssb);
void tf_ssb_db_init_reader(sqlite3* db);
bool tf_ssb_db_message_content_get(tf_ssb_t* ssb, const char* id, uint8_t** out_blob, size_t* out_size);
bool tf_ssb_db_blob_has(tf_ssb_t* ssb, const char* id);
bool tf_ssb_db_blob_get(tf_ssb_t* ssb, const char* id, uint8_t** out_blob, size_t* out_size);

typedef void(tf_ssb_db_store_message_callback_t)(const char* id, bool stored, void* user_data);
void tf_ssb_db_store_message(tf_ssb_t* ssb, JSContext* context, const char* id, JSValue val, const char* signature, bool sequence_before_author,
	tf_ssb_db_store_message_callback_t* callback, void* user_data);

typedef void(tf_ssb_db_blob_store_callback_t)(const char* id, bool is_new, void* user_data);
void tf_ssb_db_blob_store_async(tf_ssb_t* ssb, const uint8_t* blob, size_t size, tf_ssb_db_blob_store_callback_t* callback, void* user_data);
bool tf_ssb_db_blob_store(tf_ssb_t* ssb, const uint8_t* blob, size_t size, char* out_id, size_t out_id_size, bool* out_new);

JSValue tf_ssb_db_get_message_by_id(tf_ssb_t* ssb, const char* id, bool is_keys);
bool tf_ssb_db_get_message_by_author_and_sequence(
	tf_ssb_t* ssb, const char* author, int64_t sequence, char* out_message_id, size_t out_message_id_size, double* out_timestamp, char** out_content);
bool tf_ssb_db_get_latest_message_by_author(tf_ssb_t* ssb, const char* author, int64_t* out_sequence, char* out_message_id, size_t out_message_id_size);
JSValue tf_ssb_db_visit_query(tf_ssb_t* ssb, const char* query, const JSValue binds, void (*callback)(JSValue row, void* user_data), void* user_data);

typedef struct sqlite3 sqlite3;
bool tf_ssb_db_check(sqlite3* db, const char* author);

int tf_ssb_db_identity_get_count_for_user(tf_ssb_t* ssb, const char* user);
bool tf_ssb_db_identity_create(tf_ssb_t* ssb, const char* user, uint8_t* out_public_key, uint8_t* out_private_key);
bool tf_ssb_db_identity_delete(tf_ssb_t* ssb, const char* user, const char* public_key);
bool tf_ssb_db_identity_add(tf_ssb_t* ssb, const char* user, const char* public_key, const char* private_key);
void tf_ssb_db_identity_visit(tf_ssb_t* ssb, const char* user, void (*callback)(const char* identity, void* user_data), void* user_data);
void tf_ssb_db_identity_visit_all(tf_ssb_t* ssb, void (*callback)(const char* identity, void* user_data), void* user_data);
bool tf_ssb_db_identity_get_private_key(tf_ssb_t* ssb, const char* user, const char* public_key, uint8_t* out_private_key, size_t private_key_size);

JSValue tf_ssb_format_message(JSContext* context, const char* previous, const char* author, int64_t sequence, double timestamp, const char* hash, const char* content,
	const char* signature, bool sequence_before_author);

typedef struct _tf_ssb_following_t
{
	int following_count;
	int blocking_count;
	int followed_by_count;
	int blocked_by_count;
	char id[k_id_base64_len];
} tf_ssb_following_t;

const char** tf_ssb_db_following_deep_ids(tf_ssb_t* ssb, const char** ids, int count, int depth);
tf_ssb_following_t* tf_ssb_db_following_deep(tf_ssb_t* ssb, const char** ids, int count, int depth);
const char** tf_ssb_db_get_all_visible_identities(tf_ssb_t* ssb, int depth);

typedef struct _tf_ssb_db_stored_connection_t
{
	char address[256];
	int port;
	char pubkey[k_id_base64_len];
} tf_ssb_db_stored_connection_t;

tf_ssb_db_stored_connection_t* tf_ssb_db_get_stored_connections(tf_ssb_t* ssb, int* out_count);
void tf_ssb_db_forget_stored_connection(tf_ssb_t* ssb, const char* address, int port, const char* pubkey);

int tf_ssb_sqlite_authorizer(void* user_data, int action_code, const char* arg0, const char* arg1, const char* arg2, const char* arg3);

/** @} */