/* Проверяем настоящую схему media_delivery: restart, сброс старого кеша и сохранность media_files. */
#include "media_delivery_fixture.h"

static void sql(sqlite3* db, const char* command) {
    REQUIRE(sqlite3_exec(db, command, NULL, NULL, NULL) == SQLITE_OK);
}

static sqlite3_int64 scalar(sqlite3* db, const char* command) {
    sqlite3_stmt* st = NULL;
    REQUIRE(sqlite3_prepare_v2(db, command, -1, &st, NULL) == SQLITE_OK && sqlite3_step(st) == SQLITE_ROW);
    sqlite3_int64 value = sqlite3_column_int64(st, 0); REQUIRE(sqlite3_finalize(st) == SQLITE_OK); return value;
}

int main(void) {
    debug_config_init(); debug_set_level(DEBUG_LEVEL_ERROR);
    debug_set_category_level(DEBUG_CATEGORY_DEBUG, DEBUG_LEVEL_INFO);
    ua = uasync_create(); REQUIRE(ua);
    struct UTUN_INSTANCE* a = instance(SERVER);
    uint8_t epoch[16]; memcpy(epoch, a->md.source_epoch, 16);
    sql(a->md.db, "INSERT INTO block_availability(block_uuid,group_id,node_id,chunk,timestamp,status)"
        " VALUES(zeroblob(16),111,256,0,1,1),(zeroblob(16),222,256,0,1,1);"
        "INSERT INTO super_sync VALUES(111,512,zeroblob(16),4294967297),(222,512,zeroblob(16),8)");
    REQUIRE(scalar(a->md.db, "SELECT COUNT(*) FROM block_availability") == 2);
    REQUIRE(scalar(a->md.db, "SELECT COUNT(*) FROM super_sync") == 2);
    media_delivery_destroy(a);
    REQUIRE(!media_delivery_init(a) && !memcmp(epoch, a->md.source_epoch, 16));
    REQUIRE(scalar(a->md.db, "SELECT last_recv_id FROM super_sync WHERE group_id=111") == 4294967297LL);
    REQUIRE(scalar(a->md.db, "SELECT COUNT(*) FROM block_availability") == 2);

    /* Настоящая регистрация остаётся целой при пересоздании вспомогательного каталога. */
    REQUIRE(!media_index_set_base(a->md.db, "/tmp"));
    uint8_t media[16] = {1}, block[16] = {2}, hash[32] = {0};
    REQUIRE(!media_index_register_downloaded(a->md.db, media, block, hash, "111", "media-repl-preserved.bin",
        SERVER, 1, 1, 0, 0));
    REQUIRE(scalar(a->md.db, "SELECT COUNT(*) FROM media_files") == 1);
    media_delivery_destroy(a);
    sql(a->topo_sqlite_db, "DROP TABLE block_availability");
    REQUIRE(!media_delivery_init(a) && memcmp(epoch, a->md.source_epoch, 16));
    REQUIRE(!scalar(a->md.db, "SELECT COUNT(*) FROM super_sync"));
    REQUIRE(scalar(a->md.db, "SELECT COUNT(*) FROM media_files") == 1);
    memcpy(epoch, a->md.source_epoch, 16);
    media_delivery_announce_media(a, GROUP, media, block, 1);
    REQUIRE(scalar(a->md.db, "SELECT COUNT(*) FROM block_availability") == 1);
    sqlite3_int64 high = scalar(a->md.db, "SELECT seq FROM sqlite_sequence WHERE name='block_availability'");
    media_delivery_announce_media(a, GROUP, media, block, 1);
    REQUIRE(scalar(a->md.db, "SELECT seq FROM sqlite_sequence WHERE name='block_availability'") == high);

    /* Старая схема и её курсоры сбрасываются одной транзакцией, epoch меняется. */
    media_delivery_destroy(a);
    sql(a->topo_sqlite_db, "DROP TABLE media_replication_meta; DROP TABLE block_availability; DROP TABLE super_sync;"
        "CREATE TABLE block_availability(id INTEGER PRIMARY KEY,block_uuid BLOB);"
        "CREATE TABLE super_sync(peer_node_id INTEGER PRIMARY KEY,last_recv_id INTEGER);"
        "INSERT INTO super_sync VALUES(512,99)");
    REQUIRE(!media_delivery_init(a) && memcmp(epoch, a->md.source_epoch, 16));
    REQUIRE(!scalar(a->md.db, "SELECT COUNT(*) FROM super_sync"));
    REQUIRE(scalar(a->md.db, "SELECT COUNT(*) FROM media_files") == 1);
    destroy(a); uasync_destroy(ua, 0);
    DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "media catalog SQL restart/reset/preservation: PASS");
    return 0;
}