pub use super::generated_api::api::pipe_message::{
    Arg as ProtobufArg, PipeMessage as ProtobufPipeMessage, PipeSource as ProtobufPipeSource,
};
use crate::data::{PipeMessage, PipeSource};

use std::convert::TryFrom;

impl TryFrom<ProtobufPipeMessage> for PipeMessage {
    type Error = &'static str;
    fn try_from(protobuf_pipe_message: ProtobufPipeMessage) -> Result<Self, &'static str> {
        let source = match (
            ProtobufPipeSource::from_i32(protobuf_pipe_message.source),
            protobuf_pipe_message.cli_source_id,
            protobuf_pipe_message.plugin_source_id,
        ) {
            (Some(ProtobufPipeSource::Cli), Some(cli_source_id), _) => {
                PipeSource::Cli(cli_source_id)
            },
            (Some(ProtobufPipeSource::Plugin), _, Some(plugin_source_id)) => {
                PipeSource::Plugin(plugin_source_id)
            },
            (Some(ProtobufPipeSource::Keybind), _, _) => PipeSource::Keybind,
            _ => return Err("Invalid PipeSource or payload"),
        };
        let name = protobuf_pipe_message.name;
        let payload = protobuf_pipe_message.payload;
        let args = protobuf_pipe_message
            .args
            .into_iter()
            .map(|arg| (arg.key, arg.value))
            .collect();
        let is_private = protobuf_pipe_message.is_private;
        Ok(PipeMessage {
            source,
            name,
            payload,
            args,
            is_private,
        })
    }
}

impl TryFrom<PipeMessage> for ProtobufPipeMessage {
    type Error = &'static str;
    fn try_from(pipe_message: PipeMessage) -> Result<Self, &'static str> {
        let (source, cli_source_id, plugin_source_id) = match pipe_message.source {
            PipeSource::Cli(input_pipe_id) => {
                (ProtobufPipeSource::Cli as i32, Some(input_pipe_id), None)
            },
            PipeSource::Plugin(plugin_id) => {
                (ProtobufPipeSource::Plugin as i32, None, Some(plugin_id))
            },
            PipeSource::Keybind => (ProtobufPipeSource::Keybind as i32, None, None),
        };
        let name = pipe_message.name;
        let payload = pipe_message.payload;
        let args: Vec<_> = pipe_message
            .args
            .into_iter()
            .map(|(key, value)| ProtobufArg { key, value })
            .collect();
        let is_private = pipe_message.is_private;
        Ok(ProtobufPipeMessage {
            source,
            cli_source_id,
            plugin_source_id,
            name,
            payload,
            args,
            is_private,
        })
    }
}