<?php
    /**
     * Profile creator script.
     *
     * Exposes an API to create a new profile.
     *
     * Mandatory query parameters are:
     *  - id: Player ID.
     *
     * Mandatory POST parameters are:
     *  - email: User email.
     *  - password: User password.
     *
     * Optional POST parameters are:
     *  - name: User name.
     *  - public: 1 To make the profile public, 0 for private.
     *
     * @category API
     */

    global $db;

    try{

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

        // Get put data
        parse_str(file_get_contents("php://input"), $_POST);

        // Get profile ID
        /** @var mixed $query Request parameters, from API_CONTROLLER*/
        if (count($query) > 0){
            $id = $query[0];
        }
        else{
            // ID is mandatory
            header("HTTP/1.1 400 User ID not received.");
            syslog(LOG_INFO, "[APIv3] HTTP/1.1 400 User ID not received.");
            return 400;
        }

        // Check user mail.
        $mail = $_POST["email"];
        if ($mail == null || $mail == false){
            header("HTTP/1.1 400 User email not received.");
            syslog(LOG_INFO, "[APIv3] HTTP/1.1 400 User email not received.");
            return 400;
        }
        if (!filter_var($mail, FILTER_VALIDATE_EMAIL)) {
            header("HTTP/1.1 400 Invalid email.");
            syslog(LOG_INFO, "[APIv3] HTTP/1.1 400 Invalid email.");
            return 400;
        }
        // Check user password.
        $password = $_POST["password"];
        if ($password == null || $password == false){
            header("HTTP/1.1 400 User password not received.");
            syslog(LOG_INFO, "[APIv3] HTTP/1.1 400 User password not received.");
            return 400;
        }
        // Check user name.
        $name = $_POST["name"];
        if ($name == null || $name == false){
            $name = "player_" . $id;
        }
        // Check user name.
        $public = intval($_POST["public"]);
        if ($public != 1){
            $public = 0;
        }

        // Check if player exists
        $statement = $db->prepare("SELECT COUNT(uid) AS c FROM player WHERE uid = :uid;");
        $statement->bindValue(":uid", $id, SQLITE3_INTEGER);
        if (1 != $statement->execute()->fetchArray(SQLITE3_ASSOC)["c"]){
            header("HTTP/1.1 400 Existing user.");
            syslog(LOG_INFO, "[APIv3] HTTP/1.1 400 Existing user.");
            return 400;
        }

        // Prepare inputs
        $password = hash("sha256", $password);
        $characters = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
        $charactersLength = 16;
        $api_key = "";
        for ($i = 0; $i < $charactersLength; $i++) {
            $api_key .= $characters[rand(0, $charactersLength - 1)];
        }

        // Insert
        $statement = $db->prepare("
          INSERT INTO player (
            uid,
            name,
            mail,
            password,
            api_key,
            mana,
            crystal,
            country,
            lang,
            level,
            experience,
            energy,
            energy_max,
            energy_per_min,
            arena_energy,
            arena_energy_max,
            rep,
            social_point,
            honor_point,
            guild_point,
            darkportal_energy,
            darkportal_energy_max,
            dimension_energy,
            dimension_energy_max,
            costume_point,
            costume_point_max,
            honor_medal,
            honor_mark,
            event_coin,
            storage_slots,
            island,
            public
          ) VALUES (
            :uid,
            :name,
            :mail,
            :password,
            :api_key,
            :mana,
            :crystal,
            :country,
            :lang,
            :level,
            :experience,
            :energy,
            :energy_max,
            :energy_per_min,
            :arena_energy,
            :arena_energy_max,
            :rep,
            :social_point,
            :honor_point,
            :guild_point,
            :darkportal_energy,
            :darkportal_energy_max,
            :dimension_energy,
            :dimension_energy_max,
            :costume_point,
            :costume_point_max,
            :honor_medal,
            :honor_mark,
            :event_coin,
            :storage_slots,
            :island,
            :public
          );
        ");
        $statement->bindValue(":uid", $id, SQLITE3_INTEGER);
        $statement->bindValue(":name", $name, SQLITE3_TEXT);
        $statement->bindValue(":mail", $mail, SQLITE3_TEXT);
        $statement->bindValue(":password", $password, SQLITE3_TEXT);
        $statement->bindValue(":api_key", $api_key, SQLITE3_TEXT);
        $statement->bindValue(":mana", 0, SQLITE3_INTEGER);
        $statement->bindValue(":crystal", 0, SQLITE3_INTEGER);
        $statement->bindValue(":country", null, SQLITE3_TEXT);
        $statement->bindValue(":lang", null, SQLITE3_TEXT);
        $statement->bindValue(":level", 1, SQLITE3_INTEGER);
        $statement->bindValue(":experience", 0, SQLITE3_INTEGER);
        $statement->bindValue(":energy", 0, SQLITE3_INTEGER);
        $statement->bindValue(":energy_max", 0, SQLITE3_INTEGER);
        $statement->bindValue(":energy_per_min", 0, SQLITE3_INTEGER);
        $statement->bindValue(":arena_energy", 0, SQLITE3_INTEGER);
        $statement->bindValue(":arena_energy_max", 10, SQLITE3_INTEGER);
        $statement->bindValue(":rep", null, SQLITE3_INTEGER);
        $statement->bindValue(":social_point", 0, SQLITE3_INTEGER);
        $statement->bindValue(":honor_point", 0, SQLITE3_INTEGER);
        $statement->bindValue(":guild_point", 0, SQLITE3_INTEGER);
        $statement->bindValue(":darkportal_energy", 0, SQLITE3_INTEGER);
        $statement->bindValue(":darkportal_energy_max", 10, SQLITE3_INTEGER);
        $statement->bindValue(":dimension_energy", 0, SQLITE3_INTEGER);
        $statement->bindValue(":dimension_energy_max", 100, SQLITE3_INTEGER);
        $statement->bindValue(":costume_point", 0, SQLITE3_INTEGER);
        $statement->bindValue(":costume_point_max", 0, SQLITE3_INTEGER);
        $statement->bindValue(":honor_medal", 0, SQLITE3_INTEGER);
        $statement->bindValue(":honor_mark", 0, SQLITE3_INTEGER);
        $statement->bindValue(":event_coin", 0, SQLITE3_INTEGER);
        $statement->bindValue(":storage_slots", 0, SQLITE3_INTEGER);
        $statement->bindValue(":island_upgrade", 0, SQLITE3_INTEGER);
        $statement->bindValue(":public", $public, SQLITE3_INTEGER);
        $statement->execute();

        // Build array
        $player = [
            "username" => $name,
            "email" => $mail,
            "api_key" => $api_key,
            "public" => "1"
        ];
        echo(json_encode($player));
        header("HTTP/1.1 201 Created.");
        syslog(LOG_INFO, "[APIv3] HTTP/1.1 201 Created.");
        return 201;
    }
    catch(Exception $e) {
        header("HTTP/1.1 500 Unexpeced error: " . $e->getMessage());
        syslog(LOG_ERR, "[APIv3] HTTP/1.1 500 Unexpected error: " . $e->getMessage());
        return 500;
    }
?>