//! Build Pipeline Hook
//! Hooks into the build process for incremental rebuilds

use std::path::Path;

/// Compiled artifact from the build process
#[derive(Debug, Clone)]
pub struct CompiledArtifact {
    /// The root node ID of the view
    pub root_id: u64,
    /// The serialized view
    pub view: super::patch_engine::SerializedView,
}

/// Build pipeline hook
pub struct BuildPipeline;

impl BuildPipeline {
    /// Create a new BuildPipeline
    pub fn new() -> Self {
        Self
    }
    
    /// Compile the project and return the compiled artifact
    /// In a real implementation, this would hook into cargo/wasm build
    pub fn compile_project<P: AsRef<Path>>(_project_path: P) -> CompiledArtifact {
        // TODO: Hook into cargo / wasm build
        // For now, we'll return a placeholder
        CompiledArtifact {
            root_id: 0,
            view: super::patch_engine::SerializedView {
                view_type: "Placeholder".to_string(),
                props: serde_json::json!({}),
                children: Vec::new(),
            },
        }
    }
    
    /// Watch for file changes and trigger incremental rebuilds
    pub fn watch_changes<P: AsRef<Path>, F>(_project_path: P, _callback: F)
    where
        F: FnMut(CompiledArtifact) + Send + 'static,
    {
        // TODO: Implement file watching with notify or similar crate
        // For now, we'll just log that watching is not implemented
        log::warn!("File watching not yet implemented");
    }
}