// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

use std::ffi::CStr;
use std::mem;

use ffi;
use glib::translate::*;

#[repr(C)]
#[derive(Debug)]
pub struct SDPConnection(pub(crate) ffi::GstSDPConnection);

impl SDPConnection {
    pub fn new(
        nettype: &str,
        addrtype: &str,
        address: &str,
        ttl: u32,
        addr_number: u32,
    ) -> Result<Self, ()> {
        assert_initialized_main_thread!();
        unsafe {
            let mut conn = mem::zeroed();
            let result = ffi::gst_sdp_connection_set(
                &mut conn,
                nettype.to_glib_none().0,
                addrtype.to_glib_none().0,
                address.to_glib_none().0,
                ttl,
                addr_number,
            );
            match result {
                ffi::GST_SDP_OK => Ok(SDPConnection(conn)),
                _ => Err(()),
            }
        }
    }

    pub fn nettype(&self) -> &str {
        unsafe { CStr::from_ptr(self.0.nettype).to_str().unwrap() }
    }

    pub fn addrtype(&self) -> &str {
        unsafe { CStr::from_ptr(self.0.addrtype).to_str().unwrap() }
    }

    pub fn address(&self) -> &str {
        unsafe { CStr::from_ptr(self.0.address).to_str().unwrap() }
    }

    pub fn ttl(&self) -> u32 {
        self.0.ttl as u32
    }

    pub fn addr_number(&self) -> u32 {
        self.0.addr_number as u32
    }
}

impl Drop for SDPConnection {
    fn drop(&mut self) {
        unsafe {
            ffi::gst_sdp_connection_clear(&mut self.0);
        }
    }
}