//! Library creation action handler

use super::{input::LibraryCreateInput, output::LibraryCreateOutput};
use crate::{
	context::CoreContext,
	infra::action::{error::ActionError, CoreAction},
};
use async_trait::async_trait;
use std::path::PathBuf;
use std::sync::Arc;
use uuid::Uuid;

#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
pub struct LibraryCreateAction {
	input: LibraryCreateInput,
}

impl LibraryCreateAction {
	pub fn new(input: LibraryCreateInput) -> Self {
		Self { input }
	}
}

// Implement the new modular ActionType trait
impl CoreAction for LibraryCreateAction {
	type Input = LibraryCreateInput;
	type Output = LibraryCreateOutput;

	fn from_input(input: LibraryCreateInput) -> Result<Self, String> {
		Ok(LibraryCreateAction::new(input))
	}

	async fn execute(self, context: Arc<CoreContext>) -> Result<Self::Output, ActionError> {
		let library_manager = context.libraries().await;
		let library = library_manager
			.create_library(
				self.input.name.clone(),
				self.input.path.clone(),
				context.clone(),
			)
			.await?;

		// Initialize sidecar manager for the new library
		if let Err(e) = context
			.get_sidecar_manager()
			.await
			.ok_or_else(|| ActionError::Internal("Sidecar manager not available".to_string()))?
			.init_library(&library)
			.await
		{
			tracing::error!(
				"Failed to initialize sidecar manager for library {}: {}",
				library.id(),
				e
			);
		}

		// Get the library details
		let library_id = library.id();
		let name = library.name().await;
		let path = library.path().to_path_buf();

		Ok(LibraryCreateOutput::new(library_id, name, path))
	}

	fn action_kind(&self) -> &'static str {
		"library.create"
	}

	async fn validate(
		&self,
		_context: std::sync::Arc<crate::context::CoreContext>,
	) -> Result<crate::infra::action::ValidationResult, ActionError> {
		if self.input.name.trim().is_empty() {
			return Err(ActionError::Validation {
				field: "name".to_string(),
				message: "Library name cannot be empty".to_string(),
			});
		}
		Ok(crate::infra::action::ValidationResult::Success { metadata: None })
	}
}

// Register core action
crate::register_core_action!(LibraryCreateAction, "libraries.create");
