//! OpenRPC server implementation.

use jsonrpsee::{
    core::{RpcResult, async_trait},
    proc_macros::rpc,
    server::{Server, ServerHandle},
    types::{ErrorObject, ErrorObjectOwned},
};
use tower_http::cors::{CorsLayer, Any};

use anyhow;
use log::{debug, info, error};

use crate::supervisor::Supervisor;
use crate::runner::{Runner, RunnerError};
use crate::runner::{ProcessManagerError, ProcessStatus, LogInfo};
use crate::job::Job;
use crate::ProcessManagerType;
use serde::{Deserialize, Serialize};

use std::net::SocketAddr;
use std::sync::Arc;
use std::fs;
use tokio::sync::Mutex;

/// Load OpenRPC specification from docs/openrpc.json
fn load_openrpc_spec() -> Result<serde_json::Value, Box<dyn std::error::Error>> {
    // Try to find the openrpc.json file relative to the current working directory
    let possible_paths = [
        "docs/openrpc.json",
        "../docs/openrpc.json", 
        "../../docs/openrpc.json",
        "./supervisor/docs/openrpc.json",
    ];
    
    for path in &possible_paths {
        if let Ok(content) = fs::read_to_string(path) {
            match serde_json::from_str(&content) {
                Ok(spec) => {
                    debug!("Loaded OpenRPC specification from: {}", path);
                    return Ok(spec);
                }
                Err(e) => {
                    error!("Failed to parse OpenRPC JSON from {}: {}", path, e);
                }
            }
        }
    }
    
    Err("Could not find or parse docs/openrpc.json".into())
}

/// Helper function to convert RunnerError to RPC error
fn runner_error_to_rpc_error(err: RunnerError) -> ErrorObject<'static> {
    ErrorObject::owned(
        -32603, // Internal error code
        format!("Supervisor error: {}", err),
        None::<()>,
    )
}

/// Helper function to create invalid params error
fn invalid_params_error(msg: &str) -> ErrorObject<'static> {
    ErrorObject::owned(
        -32602, // Invalid params error code
        format!("Invalid parameters: {}", msg),
        None::<()>,
    )
}

/// Request parameters for registering a new runner
#[derive(Debug, Deserialize, Serialize)]
pub struct RegisterRunnerParams {
    pub secret: String,
    pub name: String,
    pub queue: String,
}

/// Request parameters for running a job
#[derive(Debug, Deserialize, Serialize)]
pub struct RunJobParams {
    pub secret: String,
    pub job: Job,
}

/// Request parameters for starting a job
#[derive(Debug, Deserialize, Serialize)]
pub struct StartJobParams {
    pub secret: String,
    pub job_id: String,
}

/// Job result response
#[derive(Debug, Serialize, Clone)]
#[serde(untagged)]
pub enum JobResult {
    Success { success: String },
    Error { error: String },
}

/// Job status response
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct JobStatusResponse {
    pub job_id: String,
    pub status: String,
    pub created_at: String,
    pub started_at: Option<String>,
    pub completed_at: Option<String>,
}

/// Request parameters for adding a new runner
#[derive(Debug, Deserialize, Serialize)]
pub struct AddRunnerParams {
    pub actor_id: String,
    pub binary_path: String,
    pub db_path: String,
    pub redis_url: String,
    pub process_manager_type: String, // "simple" or "tmux"
    pub tmux_session_name: Option<String>, // required if process_manager_type is "tmux"
}

/// Request parameters for queuing a job
#[derive(Debug, Deserialize, Serialize)]
pub struct QueueJobParams {
    pub runner: String,
    pub job: Job,
}

/// Request parameters for queue and wait operation
#[derive(Debug, Deserialize, Serialize)]
pub struct QueueAndWaitParams {
    pub runner: String,
    pub job: Job,
    pub timeout_secs: u64,
}

/// Request parameters for stopping a job
#[derive(Debug, Deserialize, Serialize)]
pub struct StopJobParams {
    pub secret: String,
    pub job_id: String,
}

/// Request parameters for deleting a job
#[derive(Debug, Deserialize, Serialize)]
pub struct DeleteJobParams {
    pub secret: String,
    pub job_id: String,
}

/// Request parameters for getting runner logs
#[derive(Debug, Deserialize, Serialize)]
pub struct GetLogsParams {
    pub actor_id: String,
    pub lines: Option<usize>,
    pub follow: bool,
}

/// Request parameters for adding secrets
#[derive(Debug, Deserialize, Serialize)]
pub struct AddSecretParams {
    pub admin_secret: String,
    pub secret_type: String, // "admin", "user", or "register"
    pub secret_value: String,
}

/// Request parameters for removing secrets
#[derive(Debug, Deserialize, Serialize)]
pub struct RemoveSecretParams {
    pub admin_secret: String,
    pub secret_type: String, // "admin", "user", or "register"
    pub secret_value: String,
}

/// Request parameters for listing secrets
#[derive(Debug, Deserialize, Serialize)]
pub struct ListSecretsParams {
    pub admin_secret: String,
}

/// Serializable wrapper for ProcessStatus
#[derive(Debug, Serialize, Clone)]
pub enum ProcessStatusWrapper {
    Running,
    Stopped,
    Starting,
    Stopping,
    Error(String),
}

impl From<ProcessStatus> for ProcessStatusWrapper {
    fn from(status: ProcessStatus) -> Self {
        match status {
            ProcessStatus::NotStarted => ProcessStatusWrapper::Stopped,
            ProcessStatus::Starting => ProcessStatusWrapper::Starting,
            ProcessStatus::Running => ProcessStatusWrapper::Running,
            ProcessStatus::Stopping => ProcessStatusWrapper::Stopping,
            ProcessStatus::Stopped => ProcessStatusWrapper::Stopped,
            ProcessStatus::Failed => ProcessStatusWrapper::Error("Process failed".to_string()),
            ProcessStatus::Error(msg) => ProcessStatusWrapper::Error(msg),
        }
    }
}

// Note: RunnerStatus is just an alias for ProcessStatus, so we don't need a separate impl

/// Serializable wrapper for Runner
#[derive(Debug, Serialize, Clone)]
pub struct RunnerWrapper {
    pub id: String,
    pub name: String,
    pub command: String,
    pub redis_url: String,
}

impl From<&Runner> for RunnerWrapper {
    fn from(runner: &Runner) -> Self {
        RunnerWrapper {
            id: runner.id.clone(),
            name: runner.name.clone(),
            command: runner.command.to_string_lossy().to_string(),
            redis_url: runner.redis_url.clone(),
        }
    }
}

/// Serializable wrapper for LogInfo
#[derive(Debug, Serialize, Clone)]
pub struct LogInfoWrapper {
    pub timestamp: String,
    pub level: String,
    pub message: String,
}

impl From<LogInfo> for LogInfoWrapper {
    fn from(log: crate::runner::LogInfo) -> Self {
        LogInfoWrapper {
            timestamp: log.timestamp,
            level: log.level,
            message: log.message,
        }
    }
}

/// Response for runner status queries
#[derive(Debug, Serialize, Clone)]
pub struct RunnerStatusResponse {
    pub actor_id: String,
    pub status: ProcessStatusWrapper,
}

/// Response for supervisor info
#[derive(Debug, Serialize, Clone)]
pub struct SupervisorInfoResponse {
    pub server_url: String,
    pub admin_secrets_count: usize,
    pub user_secrets_count: usize,
    pub register_secrets_count: usize,
    pub runners_count: usize,
}

/// OpenRPC trait defining all supervisor methods
#[rpc(server)]
pub trait SupervisorRpc {
    /// Register a new runner with secret-based authentication
    #[method(name = "register_runner")]
    async fn register_runner(&self, params: RegisterRunnerParams) -> RpcResult<String>;

    /// Create a job without queuing it to a runner
    #[method(name = "jobs.create")]
    async fn jobs_create(&self, params: RunJobParams) -> RpcResult<String>;

    /// List all jobs
    #[method(name = "jobs.list")]
    async fn jobs_list(&self) -> RpcResult<Vec<Job>>;

    /// Run a job on the appropriate runner and return the result
    #[method(name = "job.run")]
    async fn job_run(&self, params: RunJobParams) -> RpcResult<JobResult>;

    /// Start a previously created job by queuing it to its assigned runner
    #[method(name = "job.start")]
    async fn job_start(&self, params: StartJobParams) -> RpcResult<()>;

    /// Get the current status of a job
    #[method(name = "job.status")]
    async fn job_status(&self, job_id: String) -> RpcResult<JobStatusResponse>;

    /// Get the result of a completed job (blocks until result is available)
    #[method(name = "job.result")]
    async fn job_result(&self, job_id: String) -> RpcResult<JobResult>;

    /// Stop a running job
    #[method(name = "job.stop")]
    async fn job_stop(&self, params: StopJobParams) -> RpcResult<()>;

    /// Delete a job from the system
    #[method(name = "job.delete")]
    async fn job_delete(&self, params: DeleteJobParams) -> RpcResult<()>;

    /// Remove a runner from the supervisor
    #[method(name = "remove_runner")]
    async fn remove_runner(&self, actor_id: String) -> RpcResult<()>;

    /// List all runner IDs
    #[method(name = "list_runners")]
    async fn list_runners(&self) -> RpcResult<Vec<String>>;

    /// Start a specific runner
    #[method(name = "start_runner")]
    async fn start_runner(&self, actor_id: String) -> RpcResult<()>;

    /// Stop a specific runner
    #[method(name = "stop_runner")]
    async fn stop_runner(&self, actor_id: String, force: bool) -> RpcResult<()>;

    /// Get a specific runner by ID
    #[method(name = "get_runner")]
    async fn get_runner(&self, actor_id: String) -> RpcResult<RunnerWrapper>;

    /// Get the status of a specific runner
    #[method(name = "get_runner_status")]
    async fn get_runner_status(&self, actor_id: String) -> RpcResult<ProcessStatusWrapper>;

    /// Get logs for a specific runner
    #[method(name = "get_runner_logs")]
    async fn get_runner_logs(&self, params: GetLogsParams) -> RpcResult<Vec<LogInfoWrapper>>;

    /// Queue a job to a specific runner
    #[method(name = "queue_job_to_runner")]
    async fn queue_job_to_runner(&self, params: QueueJobParams) -> RpcResult<()>;

    /// Get a job by job ID
    #[method(name = "get_job")]
    async fn get_job(&self, job_id: String) -> RpcResult<Job>;

    /// Ping a runner (dispatch a ping job)
    #[method(name = "ping_runner")]
    async fn ping_runner(&self, runner_id: String) -> RpcResult<String>;

    /// Stop a job
    #[method(name = "stop_job")]
    async fn stop_job(&self, job_id: String) -> RpcResult<()>;

    /// Delete a job
    #[method(name = "delete_job")]
    async fn delete_job(&self, job_id: String) -> RpcResult<()>;

    /// Queue a job to a specific runner and wait for the result
    #[method(name = "queue_and_wait")]
    async fn queue_and_wait(&self, params: QueueAndWaitParams) -> RpcResult<Option<String>>;

    /// Get status of all runners
    #[method(name = "get_all_runner_status")]
    async fn get_all_runner_status(&self) -> RpcResult<Vec<RunnerStatusResponse>>;

    /// Start all runners
    #[method(name = "start_all")]
    async fn start_all(&self) -> RpcResult<Vec<(String, String)>>;

    /// Stop all runners
    #[method(name = "stop_all")]
    async fn stop_all(&self, force: bool) -> RpcResult<Vec<(String, String)>>;

    /// Get status of all runners (alternative format)
    #[method(name = "get_all_status")]
    async fn get_all_status(&self) -> RpcResult<Vec<(String, String)>>;

    /// Add a secret to the supervisor (admin, user, or register)
    #[method(name = "add_secret")]
    async fn add_secret(&self, params: AddSecretParams) -> RpcResult<()>;

    /// Remove a secret from the supervisor
    #[method(name = "remove_secret")]
    async fn remove_secret(&self, params: RemoveSecretParams) -> RpcResult<()>;

    /// List all secrets (returns counts only for security)
    #[method(name = "list_secrets")]
    async fn list_secrets(&self, params: ListSecretsParams) -> RpcResult<SupervisorInfoResponse>;

    /// List admin secrets (returns actual secret values)
    #[method(name = "list_admin_secrets")]
    async fn list_admin_secrets(&self, admin_secret: String) -> RpcResult<Vec<String>>;

    /// List user secrets (returns actual secret values)
    #[method(name = "list_user_secrets")]
    async fn list_user_secrets(&self, admin_secret: String) -> RpcResult<Vec<String>>;

    /// List register secrets (returns actual secret values)
    #[method(name = "list_register_secrets")]
    async fn list_register_secrets(&self, admin_secret: String) -> RpcResult<Vec<String>>;

    /// Get supervisor information and statistics
    #[method(name = "get_supervisor_info")]
    async fn get_supervisor_info(&self, admin_secret: String) -> RpcResult<SupervisorInfoResponse>;
    
    /// OpenRPC discovery method - returns the OpenRPC document describing this API
    #[method(name = "rpc.discover")]
    async fn rpc_discover(&self) -> RpcResult<serde_json::Value>;
}

/// Helper function to parse process manager type from string
fn parse_process_manager_type(pm_type: &str, session_name: Option<String>) -> Result<ProcessManagerType, ErrorObject<'static>> {
    match pm_type.to_lowercase().as_str() {
        "simple" => Ok(ProcessManagerType::Simple),
        "tmux" => {
            let session = session_name.unwrap_or_else(|| "default_session".to_string());
            Ok(ProcessManagerType::Tmux(session))
        },
        _ => Err(invalid_params_error(&format!(
            "Invalid process manager type: {}. Must be 'simple' or 'tmux'",
            pm_type
        ))),
    }
}

/// Direct RPC implementation on Arc<Mutex<Supervisor>>
/// This eliminates the need for a wrapper struct
#[async_trait]
impl SupervisorRpcServer for Arc<Mutex<Supervisor>> {
    async fn register_runner(&self, params: RegisterRunnerParams) -> RpcResult<String> {
        debug!("OpenRPC request: register_runner with params: {:?}", params);
        
        let mut supervisor = self.lock().await;
        supervisor
            .register_runner(&params.secret, &params.name, &params.queue)
            .await
            .map_err(runner_error_to_rpc_error)?;
        
        // Return the runner name that was registered
        Ok(params.name)
    }

    async fn jobs_create(&self, params: RunJobParams) -> RpcResult<String> {
        debug!("OpenRPC request: jobs.create with params: {:?}", params);
        
        let mut supervisor = self.lock().await;
        let job_id = supervisor
            .create_job(&params.secret, params.job)
            .await
            .map_err(runner_error_to_rpc_error)?;
        
        Ok(job_id)
    }

    async fn jobs_list(&self) -> RpcResult<Vec<Job>> {
        debug!("OpenRPC request: jobs.list");
        let supervisor = self.lock().await;
        supervisor
            .list_all_jobs()
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn job_run(&self, params: RunJobParams) -> RpcResult<JobResult> {
        debug!("OpenRPC request: job.run with params: {:?}", params);
        
        let mut supervisor = self.lock().await;
        match supervisor
            .run_job(&params.secret, params.job)
            .await
            .map_err(runner_error_to_rpc_error)? {
            Some(output) => Ok(JobResult::Success { success: output }),
            None => Ok(JobResult::Error { error: "Job execution failed".to_string() })
        }
    }

    async fn job_start(&self, params: StartJobParams) -> RpcResult<()> {
        debug!("OpenRPC request: job.start with params: {:?}", params);
        
        let mut supervisor = self.lock().await;
        supervisor
            .start_job(&params.secret, &params.job_id)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn job_status(&self, job_id: String) -> RpcResult<JobStatusResponse> {
        debug!("OpenRPC request: job.status with job_id: {}", job_id);
        
        let supervisor = self.lock().await;
        let status = supervisor
            .get_job_status(&job_id)
            .await
            .map_err(runner_error_to_rpc_error)?;
        
        Ok(status)
    }

    async fn job_result(&self, job_id: String) -> RpcResult<JobResult> {
        debug!("OpenRPC request: job.result with job_id: {}", job_id);
        
        let supervisor = self.lock().await;
        match supervisor
            .get_job_result(&job_id)
            .await
            .map_err(runner_error_to_rpc_error)? {
            Some(result) => {
                if result.starts_with("Error:") {
                    Ok(JobResult::Error { error: result })
                } else {
                    Ok(JobResult::Success { success: result })
                }
            },
            None => Ok(JobResult::Error { error: "Job result not available".to_string() })
        }
    }

    async fn job_stop(&self, params: StopJobParams) -> RpcResult<()> {
        debug!("OpenRPC request: job.stop with params: {:?}", params);
        
        let mut supervisor = self.lock().await;
        supervisor
            .stop_job(&params.job_id)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn job_delete(&self, params: DeleteJobParams) -> RpcResult<()> {
        debug!("OpenRPC request: job.delete with params: {:?}", params);
        
        let mut supervisor = self.lock().await;
        supervisor
            .delete_job(&params.job_id)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn remove_runner(&self, actor_id: String) -> RpcResult<()> {
        debug!("OpenRPC request: remove_runner with actor_id: {}", actor_id);
        let mut supervisor = self.lock().await;
        supervisor
            .remove_runner(&actor_id)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn list_runners(&self) -> RpcResult<Vec<String>> {
        debug!("OpenRPC request: list_runners");
        let supervisor = self.lock().await;
        Ok(supervisor.list_runners().into_iter().map(|s| s.to_string()).collect())
    }

    async fn start_runner(&self, actor_id: String) -> RpcResult<()> {
        debug!("OpenRPC request: start_runner with actor_id: {}", actor_id);
        let mut supervisor = self.lock().await;
        supervisor
            .start_runner(&actor_id)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn stop_runner(&self, actor_id: String, force: bool) -> RpcResult<()> {
        debug!("OpenRPC request: stop_runner with actor_id: {}, force: {}", actor_id, force);
        let mut supervisor = self.lock().await;
        supervisor
            .stop_runner(&actor_id, force)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn get_runner(&self, actor_id: String) -> RpcResult<RunnerWrapper> {
        debug!("OpenRPC request: get_runner with actor_id: {}", actor_id);
        let supervisor = self.lock().await;
        match supervisor.get_runner(&actor_id) {
            Some(runner) => Ok(RunnerWrapper::from(runner)),
            None => Err(ErrorObjectOwned::owned(-32000, format!("Runner not found: {}", actor_id), None::<()>)),
        }
    }

    async fn get_runner_status(&self, actor_id: String) -> RpcResult<ProcessStatusWrapper> {
        debug!("OpenRPC request: get_runner_status with actor_id: {}", actor_id);
        let supervisor = self.lock().await;
        let status = supervisor
            .get_runner_status(&actor_id)
            .await
            .map_err(runner_error_to_rpc_error)?;
        Ok(status.into())
    }

    async fn get_runner_logs(&self, params: GetLogsParams) -> RpcResult<Vec<LogInfoWrapper>> {
        debug!("OpenRPC request: get_runner_logs with params: {:?}", params);
        let supervisor = self.lock().await;
        let logs = supervisor
            .get_runner_logs(&params.actor_id, params.lines, params.follow)
            .await
            .map_err(runner_error_to_rpc_error)?;
        Ok(logs.into_iter().map(LogInfoWrapper::from).collect())
    }

    async fn queue_job_to_runner(&self, params: QueueJobParams) -> RpcResult<()> {
        debug!("OpenRPC request: queue_job_to_runner with params: {:?}", params);
        let mut supervisor = self.lock().await;
        supervisor
            .queue_job_to_runner(&params.runner, params.job)
            .await
            .map_err(runner_error_to_rpc_error)
    }


    async fn get_job(&self, job_id: String) -> RpcResult<Job> {
        debug!("OpenRPC request: get_job with job_id: {}", job_id);
        let supervisor = self.lock().await;
        supervisor
            .get_job(&job_id)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn ping_runner(&self, runner_id: String) -> RpcResult<String> {
        debug!("OpenRPC request: ping_runner with runner_id: {}", runner_id);
        let mut supervisor = self.lock().await;
        supervisor
            .ping_runner(&runner_id)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn stop_job(&self, job_id: String) -> RpcResult<()> {
        debug!("OpenRPC request: stop_job with job_id: {}", job_id);
        let mut supervisor = self.lock().await;
        supervisor
            .stop_job(&job_id)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn delete_job(&self, job_id: String) -> RpcResult<()> {
        debug!("OpenRPC request: delete_job with job_id: {}", job_id);
        let mut supervisor = self.lock().await;
        supervisor
            .delete_job(&job_id)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn queue_and_wait(&self, params: QueueAndWaitParams) -> RpcResult<Option<String>> {
        debug!("OpenRPC request: queue_and_wait with params: {:?}", params);
        let mut supervisor = self.lock().await;
        supervisor
            .queue_and_wait(&params.runner, params.job, params.timeout_secs)
            .await
            .map_err(runner_error_to_rpc_error)
    }

    async fn get_all_runner_status(&self) -> RpcResult<Vec<RunnerStatusResponse>> {
        debug!("OpenRPC request: get_all_runner_status");
        let supervisor = self.lock().await;
        let statuses = supervisor.get_all_runner_status().await
            .map_err(runner_error_to_rpc_error)?;
        Ok(statuses
            .into_iter()
            .map(|(actor_id, status)| RunnerStatusResponse {
                actor_id,
                status: ProcessStatusWrapper::from(status),
            })
            .collect())
    }

    async fn start_all(&self) -> RpcResult<Vec<(String, String)>> {
        debug!("OpenRPC request: start_all");
        let mut supervisor = self.lock().await;
        let results = supervisor.start_all().await;
        Ok(results
            .into_iter()
            .map(|(actor_id, result)| {
                let status = match result {
                    Ok(_) => "Success".to_string(),
                    Err(e) => format!("Error: {}", e),
                };
                (actor_id, status)
            })
            .collect())
    }

    async fn stop_all(&self, force: bool) -> RpcResult<Vec<(String, String)>> {
        debug!("OpenRPC request: stop_all with force: {}", force);
        let mut supervisor = self.lock().await;
        let results = supervisor.stop_all(force).await;
        Ok(results
            .into_iter()
            .map(|(actor_id, result)| {
                let status = match result {
                    Ok(_) => "Success".to_string(),
                    Err(e) => format!("Error: {}", e),
                };
                (actor_id, status)
            })
            .collect())
    }

    async fn get_all_status(&self) -> RpcResult<Vec<(String, String)>> {
        debug!("OpenRPC request: get_all_status");
        let supervisor = self.lock().await;
        let statuses = supervisor.get_all_runner_status().await
            .map_err(runner_error_to_rpc_error)?;
        Ok(statuses
            .into_iter()
            .map(|(actor_id, status)| {
                let status_str = format!("{:?}", status);
                (actor_id, status_str)
            })
            .collect())
    }

    async fn add_secret(&self, params: AddSecretParams) -> RpcResult<()> {
        debug!("OpenRPC request: add_secret, type: {}", params.secret_type);
        let mut supervisor = self.lock().await;
        
        // Verify admin secret
        if !supervisor.has_admin_secret(&params.admin_secret) {
            return Err(ErrorObject::owned(-32602, "Invalid admin secret", None::<()>));
        }
        
        match params.secret_type.as_str() {
            "admin" => {
                supervisor.add_admin_secret(params.secret_value);
            }
            "user" => {
                supervisor.add_user_secret(params.secret_value);
            }
            "register" => {
                supervisor.add_register_secret(params.secret_value);
            }
            _ => {
                return Err(ErrorObject::owned(-32602, "Invalid secret type. Must be 'admin', 'user', or 'register'", None::<()>));
            }
        }
        
        Ok(())
    }

    async fn remove_secret(&self, params: RemoveSecretParams) -> RpcResult<()> {
        debug!("OpenRPC request: remove_secret, type: {}", params.secret_type);
        let mut supervisor = self.lock().await;
        
        // Verify admin secret
        if !supervisor.has_admin_secret(&params.admin_secret) {
            return Err(ErrorObject::owned(-32602, "Invalid admin secret", None::<()>));
        }
        
        match params.secret_type.as_str() {
            "admin" => {
                supervisor.remove_admin_secret(&params.secret_value);
            }
            "user" => {
                supervisor.remove_user_secret(&params.secret_value);
            }
            "register" => {
                supervisor.remove_register_secret(&params.secret_value);
            }
            _ => {
                return Err(ErrorObject::owned(-32602, "Invalid secret type. Must be 'admin', 'user', or 'register'", None::<()>));
            }
        }
        
        Ok(())
    }

    async fn list_secrets(&self, params: ListSecretsParams) -> RpcResult<SupervisorInfoResponse> {
        debug!("OpenRPC request: list_secrets");
        let supervisor = self.lock().await;
        
        // Verify admin secret
        if !supervisor.has_admin_secret(&params.admin_secret) {
            return Err(ErrorObject::owned(-32602, "Invalid admin secret", None::<()>));
        }
        
        Ok(SupervisorInfoResponse {
            server_url: "http://127.0.0.1:3030".to_string(),
            admin_secrets_count: supervisor.admin_secrets_count(),
            user_secrets_count: supervisor.user_secrets_count(),
            register_secrets_count: supervisor.register_secrets_count(),
            runners_count: supervisor.runners_count(),
        })
    }

    async fn list_admin_secrets(&self, admin_secret: String) -> RpcResult<Vec<String>> {
        debug!("OpenRPC request: list_admin_secrets");
        let supervisor = self.lock().await;
        
        // Verify admin secret
        if !supervisor.has_admin_secret(&admin_secret) {
            return Err(ErrorObject::owned(-32602, "Invalid admin secret", None::<()>));
        }
        
        Ok(supervisor.get_admin_secrets())
    }

    async fn list_user_secrets(&self, admin_secret: String) -> RpcResult<Vec<String>> {
        debug!("OpenRPC request: list_user_secrets");
        let supervisor = self.lock().await;
        
        // Verify admin secret
        if !supervisor.has_admin_secret(&admin_secret) {
            return Err(ErrorObject::owned(-32602, "Invalid admin secret", None::<()>));
        }
        
        Ok(supervisor.get_user_secrets())
    }

    async fn list_register_secrets(&self, admin_secret: String) -> RpcResult<Vec<String>> {
        debug!("OpenRPC request: list_register_secrets");
        let supervisor = self.lock().await;
        
        // Verify admin secret
        if !supervisor.has_admin_secret(&admin_secret) {
            return Err(ErrorObject::owned(-32602, "Invalid admin secret", None::<()>));
        }
        
        Ok(supervisor.get_register_secrets())
    }

    async fn get_supervisor_info(&self, admin_secret: String) -> RpcResult<SupervisorInfoResponse> {
        debug!("OpenRPC request: get_supervisor_info");
        let supervisor = self.lock().await;
        
        // Verify admin secret
        if !supervisor.has_admin_secret(&admin_secret) {
            return Err(ErrorObject::owned(-32602, "Invalid admin secret", None::<()>));
        }
        
        Ok(SupervisorInfoResponse {
            server_url: "http://127.0.0.1:3030".to_string(),
            admin_secrets_count: supervisor.admin_secrets_count(),
            user_secrets_count: supervisor.user_secrets_count(),
            register_secrets_count: supervisor.register_secrets_count(),
            runners_count: supervisor.runners_count(),
        })
    }
    
    async fn rpc_discover(&self) -> RpcResult<serde_json::Value> {
        debug!("OpenRPC request: rpc.discover");
        
        // Read OpenRPC specification from docs/openrpc.json
        match load_openrpc_spec() {
            Ok(spec) => Ok(spec),
            Err(e) => {
                error!("Failed to load OpenRPC specification: {}", e);
                // Fallback to a minimal spec if file loading fails
                Ok(serde_json::json!({
                    "openrpc": "1.3.2",
                    "info": {
                        "title": "Hero Supervisor OpenRPC API",
                        "version": "1.0.0",
                        "description": "OpenRPC API for managing Hero Supervisor runners and jobs"
                    },
                    "methods": [],
                    "error": "Failed to load full specification"
                }))
            }
        }
    }
}

/// Start the OpenRPC server with a default supervisor
pub async fn start_server(addr: SocketAddr) -> anyhow::Result<ServerHandle> {
    let supervisor = Arc::new(Mutex::new(Supervisor::default()));
    start_server_with_supervisor(addr, supervisor).await
}

/// Start the OpenRPC server with an existing supervisor instance
pub async fn start_server_with_supervisor(
    addr: SocketAddr,
    supervisor: Arc<Mutex<Supervisor>>,
) -> anyhow::Result<ServerHandle> {
    let server = Server::builder().build(addr).await?;
    let handle = server.start(supervisor.into_rpc());
    Ok(handle)
}

/// Start HTTP OpenRPC server (Unix socket support would require additional dependencies)
pub async fn start_http_openrpc_server(
    supervisor: Arc<Mutex<Supervisor>>,
    bind_address: &str,
    port: u16,
) -> anyhow::Result<ServerHandle> {
    let http_addr: SocketAddr = format!("{}:{}", bind_address, port).parse()?;
    
    // Configure CORS to allow requests from the admin UI
    let cors = CorsLayer::new()
        .allow_origin(Any)
        .allow_headers(Any)
        .allow_methods(Any);
    
    // Start HTTP server with CORS
    let http_server = Server::builder()
        .set_http_middleware(tower::ServiceBuilder::new().layer(cors))
        .build(http_addr)
        .await?;
    let http_handle = http_server.start(supervisor.into_rpc());
    
    info!("OpenRPC HTTP server running at http://{} with CORS enabled", http_addr);
    
    Ok(http_handle)
}

/// Simplified server startup function for supervisor binary
pub async fn start_openrpc_servers(
    supervisor: Arc<Mutex<Supervisor>>,
    bind_address: &str,
    port: u16,
) -> Result<(), Box<dyn std::error::Error>> {
    let bind_address = bind_address.to_string();
    tokio::spawn(async move {
        match start_http_openrpc_server(supervisor, &bind_address, port).await {
            Ok(http_handle) => {
                info!("OpenRPC server started successfully");
                // Keep the server running
                http_handle.stopped().await;
                error!("OpenRPC server stopped unexpectedly");
            }
            Err(e) => {
                error!("Failed to start OpenRPC server: {}", e);
            }
        }
    });
    
    // Give the server a moment to start up
    tokio::time::sleep(tokio::time::Duration::from_millis(500)).await;
    
    Ok(())
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::supervisor::Supervisor;

    #[tokio::test]
    async fn test_supervisor_rpc_creation() {
        // Test that we can create a supervisor and use it with RPC
        use crate::supervisor::SupervisorBuilder;
        
        let supervisor = SupervisorBuilder::new()
            .redis_url("redis://localhost:6379")
            .namespace("test")
            .build()
            .await;
        
        // Just test that we can build a supervisor
        assert!(supervisor.is_ok() || supervisor.is_err()); // Either way is fine for this test
    }

    #[test]
    fn test_process_manager_type_parsing() {
        assert!(parse_process_manager_type("simple", None).is_ok());
        assert!(parse_process_manager_type("tmux", Some("session".to_string())).is_ok());
        assert!(parse_process_manager_type("Simple", None).is_ok());
        assert!(parse_process_manager_type("TMUX", Some("session".to_string())).is_ok());
        assert!(parse_process_manager_type("invalid", None).is_err());
    }

    #[tokio::test]
    async fn test_job_api_methods() {
        let supervisor = Arc::new(Mutex::new(Supervisor::default()));
        let mut sup = supervisor.lock().await;
        sup.add_user_secret("test-secret".to_string());
        drop(sup);

        // Test jobs.create
        let job = crate::job::JobBuilder::new()
            .caller_id("test")
            .context_id("test")
            .payload("test")
            .runner("test_runner")
            .executor("osis")
            .build()
            .unwrap();

        let params = RunJobParams {
            secret: "test-secret".to_string(),
            job: job.clone(),
        };

        let result = supervisor.jobs_create(params).await;
        // Should work or fail gracefully without Redis
        assert!(result.is_ok() || result.is_err());

        // Test job.start
        let start_params = StartJobParams {
            secret: "test-secret".to_string(),
            job_id: "test-job".to_string(),
        };

        let result = supervisor.job_start(start_params).await;
        // Should fail gracefully without Redis/job
        assert!(result.is_err());

        // Test invalid secret
        let invalid_params = StartJobParams {
            secret: "invalid".to_string(),
            job_id: "test-job".to_string(),
        };

        let result = supervisor.job_start(invalid_params).await;
        assert!(result.is_err());
    }

    #[test]
    fn test_job_result_serialization() {
        let success = JobResult::Success { success: "test output".to_string() };
        let json = serde_json::to_string(&success).unwrap();
        assert!(json.contains("success"));
        assert!(json.contains("test output"));

        let error = JobResult::Error { error: "test error".to_string() };
        let json = serde_json::to_string(&error).unwrap();
        assert!(json.contains("error"));
        assert!(json.contains("test error"));
    }

    #[test]
    fn test_job_status_response_serialization() {
        let status = JobStatusResponse {
            job_id: "test-job".to_string(),
            status: "running".to_string(),
            created_at: "2023-01-01T00:00:00Z".to_string(),
            started_at: Some("2023-01-01T00:00:05Z".to_string()),
            completed_at: None,
        };

        let json = serde_json::to_string(&status).unwrap();
        assert!(json.contains("test-job"));
        assert!(json.contains("running"));
        assert!(json.contains("2023-01-01T00:00:00Z"));

        let deserialized: JobStatusResponse = serde_json::from_str(&json).unwrap();
        assert_eq!(deserialized.job_id, "test-job");
        assert_eq!(deserialized.status, "running");
    }
}