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use std::convert::TryInto;

use feather_base::{BlockId, BlockPosition, ChunkPosition};

use feather_plugin_host_macros::host_function;

use quill_common::block::BlockGetResult;

use crate::context::PluginContext;

/// NB: `u32` has the same layout as `BlockGetResult`.

#[host_function]

pub fn block_get(cx: &PluginContext, x: i32, y: i32, z: i32) -> anyhow::Result<u32> {

let pos = BlockPosition::new(x, y, z).try_into()?;

let block = cx.game_mut().block(pos);

let result = BlockGetResult::new(block.map(BlockId::vanilla_id));

Ok(result.to_u32())

}

#[host_function]

pub fn block_set(cx: &PluginContext, x: i32, y: i32, z: i32, block_id: u16) -> anyhow::Result<u32> {

let pos = BlockPosition::new(x, y, z).try_into()?;

let block = BlockId::from_vanilla_id(block_id);

let was_successful = cx.game_mut().set_block(pos, block);

Ok(was_successful as u32)

}

#[host_function]

pub fn block_fill_chunk_section(

cx: &PluginContext,

chunk_x: i32,

section_y: u32,

chunk_z: i32,

block_id: u16,

) -> anyhow::Result<u32> {

let chunk_pos = ChunkPosition::new(chunk_x, chunk_z);

let block = BlockId::from_vanilla_id(block_id);

let was_successful = cx

.game_mut()

.fill_chunk_section(chunk_pos, section_y as usize, block);

Ok(was_successful as u32)

}

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