<?php
    /**
     * Profile getter script.
     *
     * Exposes an API to rerieve a user profile.
     *
     * A lst of profiles can't be retrieved.
     *
     * Mandatory query parameters are:
     *  - id: Player ID.
     *
     * Optional GET parameters are.
     *  - key: User API key to retrieve a private profile.
     *
     * @category API
     */

    global $db;

    try{
        header("Content-type: application/json; charset=utf-8");

        // Get profile ID
        /** @var mixed $query Request parameters, from API_CONTROLLER*/
        if (count($query) > 1){
            $id = $query[0];
        }
        else{
            // Id is mandatory, a list can be retrieved
            header("HTTP/1.1 403 A list of profiles cant be retrieved. Please specify a profile ID or player name.");
            syslog(LOG_INFO, "[APIv1] HTTP/1.1 403 A list of profiles cant be retrieved. Please specify a profile ID or player name.");
            return 403;
        }

        // Get player
        $statement = $db->prepare("
          SELECT
            user.api_key AS api_key,
            player.id AS id,
            player.public AS public
          FROM
            user,
            player
          WHERE
            user.id = player.user AND
            player.id = :id AND
            user.api_key = :api_key;
        ");
        $statement->bindValue(":id", $id, SQLITE3_INTEGER);
        $r = $statement->execute()->fetchArray(SQLITE3_ASSOC);
        if ($r == null){
            // No player found
            header("HTTP/1.1 404 Player not found.");
            syslog(LOG_INFO, "[APIv1] HTTP/1.1 404 Player not found.");
            return 403;
        }
        if ($r["public"] != 1 && $r["key"] != filter_input(INPUT_GET, "key")){
            header("HTTP/1.1 403 The profile is not public.");
            syslog(LOG_INFO, "[APIv1] HTTP/1.1 403 The profile is not public.");
            return 403;
        }

        // Permission granted, get player data.
        $player_id = $r["player_id"];
        $player = new Player($player_id);

        // Build array
        // TODO: Add way more data
        $player = [
            "username" => $player->name,
            "level" => $player->level,
            "public" => $player->public
        ];
        echo(json_encode($player));
        header("HTTP/1.1 200 Success.");
        syslog(LOG_INFO, "[APIv1] HTTP/1.1 200 Success.");
        return 200;
    }
    catch(Exception $e) {
        header("HTTP/1.1 500 Unexpeced error: " . $e->getMessage());
        syslog(LOG_ERR, "[APIv1] HTTP/1.1 500 Unexpected error: " . $e->getMessage());
        return 500;
    }
?>