use streamhub::errors::ChannelError;

use {
    failure::Fail,
    futures::channel::mpsc::SendError,
    rtmp::{
        amf0::errors::Amf0WriteError, cache::errors::MetadataError, session::errors::SessionError,
    },
    std::fmt,
    tokio::sync::oneshot::error::RecvError,
    xflv::errors::FlvMuxerError,
};

#[derive(Debug)]
pub struct ServerError {
    pub value: ServerErrorValue,
}

#[derive(Debug, Fail)]
pub enum ServerErrorValue {
    #[fail(display = "server error")]
    Error,
}

pub struct HttpFLvError {
    pub value: HttpFLvErrorValue,
}

#[derive(Debug, Fail)]
pub enum HttpFLvErrorValue {
    #[fail(display = "server error")]
    Error,
    #[fail(display = "session error")]
    SessionError(SessionError),
    #[fail(display = "flv muxer error")]
    MuxerError(FlvMuxerError),
    #[fail(display = "amf write error")]
    Amf0WriteError(Amf0WriteError),
    #[fail(display = "metadata error")]
    MetadataError(MetadataError),
    #[fail(display = "tokio mpsc error")]
    MpscSendError(SendError),
    #[fail(display = "event execute error: {}", _0)]
    ChannelError(ChannelError),
    #[fail(display = "tokio: oneshot receiver err: {}", _0)]
    RecvError(#[cause] RecvError),
    #[fail(display = "channel recv error")]
    ChannelRecvError,
}

impl From<SessionError> for HttpFLvError {
    fn from(error: SessionError) -> Self {
        HttpFLvError {
            value: HttpFLvErrorValue::SessionError(error),
        }
    }
}

impl From<FlvMuxerError> for HttpFLvError {
    fn from(error: FlvMuxerError) -> Self {
        HttpFLvError {
            value: HttpFLvErrorValue::MuxerError(error),
        }
    }
}

impl From<SendError> for HttpFLvError {
    fn from(error: SendError) -> Self {
        HttpFLvError {
            value: HttpFLvErrorValue::MpscSendError(error),
        }
    }
}

impl From<Amf0WriteError> for HttpFLvError {
    fn from(error: Amf0WriteError) -> Self {
        HttpFLvError {
            value: HttpFLvErrorValue::Amf0WriteError(error),
        }
    }
}

impl From<MetadataError> for HttpFLvError {
    fn from(error: MetadataError) -> Self {
        HttpFLvError {
            value: HttpFLvErrorValue::MetadataError(error),
        }
    }
}

impl From<ChannelError> for HttpFLvError {
    fn from(error: ChannelError) -> Self {
        HttpFLvError {
            value: HttpFLvErrorValue::ChannelError(error),
        }
    }
}

impl From<RecvError> for HttpFLvError {
    fn from(error: RecvError) -> Self {
        HttpFLvError {
            value: HttpFLvErrorValue::RecvError(error),
        }
    }
}

impl fmt::Display for HttpFLvError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        fmt::Display::fmt(&self.value, f)
    }
}