use hedgewars_engine_messages::messages::{

    ConfigEngineMessage::*, EngineMessage::*, KeystrokeAction::*, SyncedEngineMessage::*,

    UnorderedEngineMessage::*, UnsyncedEngineMessage::*, *

};

use super::{ipc::IPC, world::World};

#[repr(C)]

pub struct EngineInstance {

    pub world: World,

    pub ipc: IPC,

}

impl EngineInstance {

    pub fn new() -> Self {

        let world = World::new();

        Self {

            world,

            ipc: IPC::new(),

        }

    }

    pub fn render<R, C>(

        &self,

        context: &mut gfx::Encoder<R, C>,

        target: &gfx::handle::RenderTargetView<R, gfx::format::Rgba8>,

    ) where

        R: gfx::Resources,

        C: gfx::CommandBuffer<R>,

    {

        context.clear(target, [0.0, 0.5, 0.0, 1.0]);

    }

    fn process_unordered_message(&mut self, message: &UnorderedEngineMessage) {

        match message {

            Pong => println!("Pong!"),

            _ => unimplemented!(),

        }

    }

    fn process_config_message(&mut self, message: &ConfigEngineMessage) {

        match message {

            SetSeed(seed) => self.world.set_seed(seed.as_bytes()),

            _ => unimplemented!(),

        }

    }

    pub fn process_ipc_queue(&mut self) {

        let messages: Vec<EngineMessage> = self.ipc.iter().collect();

        for message in messages {

            println!("Processing message: {:?}", message);

            match message {

                Unknown => println!("Unknown message"),

                Empty => println!("Empty message") ,

                Synced(_, _) => unimplemented!(),

                Unsynced(_) => unimplemented!(),

                Unordered(unordered_message) => self.process_unordered_message(&unordered_message),

                Config(config_message) => self.process_config_message(&config_message)

            }

        }

    }

}