<?php
namespace EdgeManager\EDataCapture;

class ENodeConfigure {
    function __construct(
        protected $dbconn,
        protected $post = NULL,
        protected $get = NULL
    ) {}

    function add_node() {
        $table_name = "hf_mes_scada_data_capture_node_data_" . $this -> post['process_code'];

        pg_query($this -> dbconn, "BEGIN");
        $res1 = pg_query($this -> dbconn, sprintf(
            "CREATE TABLE IF NOT EXISTS %s(
                id serial8,
                code text references hf_mes_scada_data_capture_node_configure(code),
                v_string text,
                v_int int,
                v_float float8,
                v_bool bool,
                device_code text,
                batch text,
                create_date timestamp
            )", $table_name
        ));
        $res2 = pg_insert(
            $this -> dbconn,
            'hf_mes_scada_data_capture_node_configure',
            $this -> post
        );

        if ($res1 and $res2)
            pg_query($this -> dbconn, "COMMIT");
        else
            pg_query($this -> dbconn, "ROLLBACK");
        
        pg_query($this -> dbconn, sprintf("SELECT create_hypertable('%s','create_date')", $table_name));
        pg_query($this -> dbconn, sprintf(
            "CREATE INDEX ON %s (v_string, v_int, v_float, v_bool, create_date DESC)
            WHERE COALESCE(v_string, v_int::text, v_float::text, v_bool::text) IS NOT NULL
            ", $table_name
        ));
    }

    function remove_node() {
        
    }

    function update_node() {
        return pg_update(
            $this -> dbconn, 
            'hf_mes_scada_data_capture_node_configure',
            $this -> post,
            ['code' => $this -> post['code']]
        );
    }

    function get_nodes() {
        $res = pg_query($this -> dbconn, "SELECT * FROM hf_mes_scada_data_capture_node_configure");
        return pg_fetch_all($res);
    }
}