<?php

require_once "vendor/autoload.php";

require_once "AutoStoring.php";

require_once "Game.php";

class GameMgr
{
    private \SleekDB\Store $db; // game database

    // --------

    function __construct()
    {
        $this->db = new \SleekDB\Store(GAMEDB, DATADIR, ["timeout" => false]);
    }

    // Get game by ID.
    function getGame(string $gameid): Game|null
    {
        $game_data_array = $this->db->findById($gameid);
        return count($game_data_array) != 0 ? Game::fromArray($this, $game_data_array) : null;
    }

    // Get public game. FIXME!!!
    function getPublicGame(string $public_id): Game|null
    {
        $game_data_array = $this->db->findBy([["public", "=", "true"], "AND", ["public_id", "=", $public_id]]);
        return count($game_data_array) != 0 ? Game::fromArray($this, $game_data_array[0]) : null;
    }

    // Update game.
    function updateGame(Game $game): void
    {
        $a = $game->toArray();
        $this->db->update($a);
    }

    function addGame(string $name, string $owner, string $description, array $properties = Game::DEFAULT_GAME_PROPERTIES,
                     array  $contributors = [], array $tasks = []): bool
    {
        $game_data = [
            "name" => $name,
            "owner" => $owner,
            "contributors" => $contributors,
            "description" => $description,
            "game_file_present" => false,
            "properties" => $properties,
            "public" => false,
            "public_id" => Game::genPublicId(),
            "version" => Game::CURRENT_GAME_VERSION
        ];

        $game_data = $this->db->insert($game_data);

        // prepare game context
        $game = Game::fromArray($this, $game_data);
        $current_game_media_dir = $game->getGameDir();
        mkdir($current_game_media_dir);
        $game->saveTasks();
        return true;
    }

    // Delete game by ID.
    function deleteGame(string $gameid): void
    {
        $this->db->deleteById($gameid);
    }

    // Get all game data by contributor nickname.
    function getAllGameDataByContributor(string $nickname): array {
        $games = [];
        if ($nickname !== "*") {
            $game_data_array = $this->db->findBy([["owner", "=", $nickname], "OR", ["contributors", "CONTAINS", $nickname]]);
        } else {
            $game_data_array = $this->db->findAll();
        }
        foreach ($game_data_array as $game_data) {
            $games[] = Game::fromArray($this, $game_data);
        }
        return $games;
    }

    // Get all games.
    function getAllGames() : array {
        $gamesa = $this->db->findAll();
        $games = [];
        foreach ($gamesa as $a) {
            $games[] = new Game($this, $a);
        }
        return $games;
    }

    // Sanitize games and return game IDs.
    function sanitizeGames(array $games) : array {
        $sanitized = [];
        foreach ($games as $game) {
            // explode game identifier
            [$name, $id] = explode("#", $game);

            // fetch game
            if ($id !== null) {
                $records = $this->db->findBy([["name", "=", $name], "AND", ["_id", "=", (int)$id]]);
            } else {
                $records = $this->db->findBy(["name", "=", $name]);
            }

            // put game ID into sanitized list only if identifier is not ambiguous
            if (count($records) === 1) {
                $sanitized[] = $records[0]["_id"];
            }
        }

        return $sanitized;
    }

    // Resolve group IDs to full group identifiers.
    function resolveGames(array &$gameIds): void {
        $a = $this->db->findBy([["_id", "IN", $gameIds]]); // no caching here...
        $gameIds = array_map(fn($r) => $r["name"] . "#" . $r["_id"] ,$a);
    }

    function upgradeGames(array $ids = []): void
    {
        $a = [];
        if ($ids === []) {
            $a = $this->db->findAll();
        } else {
            $a = $this->db->findBy(["_id", "IN", $ids]);
        }

        foreach ($a as $g) {
            $game = Game::fromArray($this, $g);
            $game->loadTasks();
            $game->saveTasks();
            $game->storeMods();
        }
    }

    // -------
}