use anyhow::Result;
use clap::Subcommand;
use serde_json::json;
use std::collections::HashMap;
use tracing::{error, info};
use uuid::Uuid;
use crate::config::Config;
use crate::utils::display::create_table;
#[derive(Clone, Subcommand)]
pub enum StreamingCommand {
#[command(about = "List all configured streams")]
List {
#[arg(short, long, help = "Show detailed stream information")]
detailed: bool,
},
#[command(about = "Add a new event stream")]
Add {
#[arg(short, long, help = "Stream name")]
name: String,
#[arg(short, long, help = "Stream backend (kafka, kinesis, pubsub)")]
backend: String,
#[arg(long, help = "Event types to stream (comma-separated)")]
events: Option<String>,
#[arg(long, help = "Queue names to filter (comma-separated)")]
queues: Option<String>,
#[arg(long, help = "Job priorities to filter (comma-separated)")]
priorities: Option<String>,
#[arg(
long,
help = "Partitioning strategy (none, job_id, queue_name, priority, event_type)"
)]
partitioning: Option<String>,
#[arg(
long,
help = "Serialization format (json, avro, protobuf, msgpack)",
default_value = "json"
)]
format: String,
#[arg(long, help = "Buffer size for batching events", default_value = "100")]
buffer_size: usize,
#[arg(long, help = "Max buffer time in seconds", default_value = "5")]
buffer_time: u64,
#[arg(long, help = "Include job payload in events")]
include_payload: bool,
#[arg(long, help = "Kafka brokers (comma-separated, for Kafka backend)")]
kafka_brokers: Option<String>,
#[arg(long, help = "Kafka topic (for Kafka backend)")]
kafka_topic: Option<String>,
#[arg(long, help = "AWS region (for Kinesis backend)")]
kinesis_region: Option<String>,
#[arg(long, help = "Kinesis stream name (for Kinesis backend)")]
kinesis_stream: Option<String>,
#[arg(long, help = "AWS access key ID (for Kinesis backend)")]
kinesis_access_key: Option<String>,
#[arg(long, help = "AWS secret access key (for Kinesis backend)")]
kinesis_secret_key: Option<String>,
#[arg(long, help = "GCP project ID (for PubSub backend)")]
pubsub_project: Option<String>,
#[arg(long, help = "PubSub topic name (for PubSub backend)")]
pubsub_topic: Option<String>,
#[arg(long, help = "Service account key file path (for PubSub backend)")]
pubsub_key_file: Option<String>,
},
#[command(about = "Remove a stream")]
Remove {
#[arg(short, long, help = "Stream ID or name")]
stream: String,
#[arg(long, help = "Confirm the operation")]
confirm: bool,
},
#[command(about = "Test a stream")]
Test {
#[arg(short, long, help = "Stream ID or name")]
stream: String,
#[arg(long, help = "Test event type", default_value = "completed")]
event_type: String,
#[arg(long, help = "Test job ID")]
job_id: Option<String>,
#[arg(long, help = "Test queue name", default_value = "test")]
queue: String,
},
#[command(about = "Show streaming statistics")]
Stats {
#[arg(short, long, help = "Stream ID or name")]
stream: Option<String>,
#[arg(long, help = "Time window in hours", default_value = "24")]
hours: u64,
},
#[command(about = "Enable or disable a stream")]
Toggle {
#[arg(short, long, help = "Stream ID or name")]
stream: String,
#[arg(long, help = "Enable the stream")]
enable: bool,
},
#[command(about = "Update stream configuration")]
Update {
#[arg(short, long, help = "Stream ID or name")]
stream: String,
#[arg(short, long, help = "New stream name")]
name: Option<String>,
#[arg(long, help = "New event types filter")]
events: Option<String>,
#[arg(long, help = "New queue names filter")]
queues: Option<String>,
#[arg(long, help = "New priorities filter")]
priorities: Option<String>,
#[arg(long, help = "New partitioning strategy")]
partitioning: Option<String>,
#[arg(long, help = "New buffer size")]
buffer_size: Option<usize>,
#[arg(long, help = "New buffer time in seconds")]
buffer_time: Option<u64>,
},
#[command(about = "Check stream health")]
Health {
#[arg(short, long, help = "Stream ID or name")]
stream: Option<String>,
},
}
pub async fn handle_streaming_command(command: StreamingCommand, config: &Config) -> Result<()> {
match command {
StreamingCommand::List { detailed } => list_streams(config, detailed).await,
StreamingCommand::Add {
name,
backend,
events,
queues,
priorities,
partitioning,
format,
buffer_size,
buffer_time,
include_payload,
kafka_brokers,
kafka_topic,
kinesis_region,
kinesis_stream,
kinesis_access_key,
kinesis_secret_key,
pubsub_project,
pubsub_topic,
pubsub_key_file,
} => {
add_stream(
config,
name,
backend,
events,
queues,
priorities,
partitioning,
format,
buffer_size,
buffer_time,
include_payload,
kafka_brokers,
kafka_topic,
kinesis_region,
kinesis_stream,
kinesis_access_key,
kinesis_secret_key,
pubsub_project,
pubsub_topic,
pubsub_key_file,
)
.await
}
StreamingCommand::Remove { stream, confirm } => {
remove_stream(config, stream, confirm).await
}
StreamingCommand::Test {
stream,
event_type,
job_id,
queue,
} => test_stream(config, stream, event_type, job_id, queue).await,
StreamingCommand::Stats { stream, hours } => show_stream_stats(config, stream, hours).await,
StreamingCommand::Toggle { stream, enable } => toggle_stream(config, stream, enable).await,
StreamingCommand::Update {
stream,
name,
events,
queues,
priorities,
partitioning,
buffer_size,
buffer_time,
} => {
update_stream(
config,
stream,
name,
events,
queues,
priorities,
partitioning,
buffer_size,
buffer_time,
)
.await
}
StreamingCommand::Health { stream } => check_stream_health(config, stream).await,
}
}
async fn list_streams(config: &Config, detailed: bool) -> Result<()> {
let streams = load_streams_config(config)?;
if streams.is_empty() {
info!("No streams configured.");
return Ok(());
}
if detailed {
for stream in streams {
println!("\n🌊 Stream: {}", stream.name);
println!(" ID: {}", stream.id);
println!(" Backend: {:?}", stream.backend);
println!(" Enabled: {}", stream.enabled);
println!(" Partitioning: {:?}", stream.partitioning);
println!(" Serialization: {:?}", stream.serialization);
println!(" Buffer Size: {}", stream.buffer_config.batch_size);
println!(
" Buffer Time: {}s",
stream.buffer_config.max_buffer_time_secs
);
if !stream.filter.event_types.is_empty() {
println!(" Event Types: {}", stream.filter.event_types.join(", "));
}
if !stream.filter.queue_names.is_empty() {
println!(" Queues: {}", stream.filter.queue_names.join(", "));
}
if !stream.filter.priorities.is_empty() {
println!(" Priorities: {:?}", stream.filter.priorities);
}
}
} else {
let mut table = create_table();
table.set_header(vec!["Name", "Backend", "Enabled", "Partitioning", "Events"]);
for stream in streams {
let backend_name = match &stream.backend {
StreamBackendConfig::Kafka { .. } => "Kafka",
StreamBackendConfig::Kinesis { .. } => "Kinesis",
StreamBackendConfig::PubSub { .. } => "PubSub",
};
let events_filter = if stream.filter.event_types.is_empty() {
"All".to_string()
} else {
stream.filter.event_types.join(", ")
};
table.add_row(vec![
stream.name,
backend_name.to_string(),
if stream.enabled { "✓" } else { "✗" }.to_string(),
format!("{:?}", stream.partitioning),
events_filter,
]);
}
println!("{}", table);
}
Ok(())
}
async fn add_stream(
config: &Config,
name: String,
backend: String,
events: Option<String>,
queues: Option<String>,
priorities: Option<String>,
partitioning: Option<String>,
format: String,
buffer_size: usize,
buffer_time: u64,
include_payload: bool,
kafka_brokers: Option<String>,
kafka_topic: Option<String>,
kinesis_region: Option<String>,
kinesis_stream: Option<String>,
kinesis_access_key: Option<String>,
kinesis_secret_key: Option<String>,
pubsub_project: Option<String>,
pubsub_topic: Option<String>,
pubsub_key_file: Option<String>,
) -> Result<()> {
let stream_config = create_stream_config(
name.clone(),
backend,
events,
queues,
priorities,
partitioning,
format,
buffer_size,
buffer_time,
include_payload,
kafka_brokers,
kafka_topic,
kinesis_region,
kinesis_stream,
kinesis_access_key,
kinesis_secret_key,
pubsub_project,
pubsub_topic,
pubsub_key_file,
)?;
save_stream_config(config, stream_config)?;
info!("✅ Stream '{}' added successfully", name);
Ok(())
}
async fn remove_stream(config: &Config, stream_id: String, confirm: bool) -> Result<()> {
if !confirm {
error!("❌ Use --confirm to confirm stream removal");
return Ok(());
}
let mut streams = load_streams_config(config)?;
let initial_len = streams.len();
streams.retain(|s| s.name != stream_id && s.id.to_string() != stream_id);
if streams.len() == initial_len {
error!("❌ Stream '{}' not found", stream_id);
return Ok(());
}
save_streams_config(config, streams)?;
info!("✅ Stream '{}' removed successfully", stream_id);
Ok(())
}
async fn test_stream(
_config: &Config,
stream_id: String,
event_type: String,
job_id: Option<String>,
queue: String,
) -> Result<()> {
let test_event = json!({
"event_type": event_type,
"job_id": job_id.unwrap_or_else(|| Uuid::new_v4().to_string()),
"queue_name": queue,
"priority": "Normal",
"timestamp": chrono::Utc::now().to_rfc3339(),
"test": true
});
info!("🧪 Testing stream '{}' with event:", stream_id);
println!("{}", serde_json::to_string_pretty(&test_event)?);
info!("✅ Test event would be sent to stream (implementation pending)");
Ok(())
}
async fn show_stream_stats(_config: &Config, stream: Option<String>, hours: u64) -> Result<()> {
if let Some(stream_id) = stream {
info!(
"📊 Statistics for stream '{}' (last {} hours):",
stream_id, hours
);
} else {
info!("📊 Statistics for all streams (last {} hours):", hours);
}
println!("Total events processed: 0");
println!("Successful deliveries: 0");
println!("Failed deliveries: 0");
println!("Success rate: 0%");
println!("Average processing time: 0ms");
println!("Events in buffer: 0");
Ok(())
}
async fn toggle_stream(config: &Config, stream_id: String, enable: bool) -> Result<()> {
let mut streams = load_streams_config(config)?;
let stream = streams
.iter_mut()
.find(|s| s.name == stream_id || s.id.to_string() == stream_id);
match stream {
Some(s) => {
s.enabled = enable;
save_streams_config(config, streams)?;
let status = if enable { "enabled" } else { "disabled" };
info!("✅ Stream '{}' {}", stream_id, status);
}
None => {
error!("❌ Stream '{}' not found", stream_id);
}
}
Ok(())
}
async fn update_stream(
config: &Config,
stream_id: String,
name: Option<String>,
events: Option<String>,
queues: Option<String>,
priorities: Option<String>,
partitioning: Option<String>,
buffer_size: Option<usize>,
buffer_time: Option<u64>,
) -> Result<()> {
let mut streams = load_streams_config(config)?;
let stream = streams
.iter_mut()
.find(|s| s.name == stream_id || s.id.to_string() == stream_id);
match stream {
Some(s) => {
if let Some(new_name) = name {
s.name = new_name;
}
if let Some(new_buffer_size) = buffer_size {
s.buffer_config.batch_size = new_buffer_size;
}
if let Some(new_buffer_time) = buffer_time {
s.buffer_config.max_buffer_time_secs = new_buffer_time;
}
if let Some(events_str) = events {
s.filter.event_types = parse_event_types(&events_str)?;
}
if let Some(queues_str) = queues {
s.filter.queue_names = parse_comma_separated(&queues_str);
}
if let Some(priorities_str) = priorities {
s.filter.priorities = parse_priorities(&priorities_str)?;
}
if let Some(partitioning_str) = partitioning {
s.partitioning = parse_partitioning_strategy(&partitioning_str)?;
}
save_streams_config(config, streams)?;
info!("✅ Stream '{}' updated successfully", stream_id);
}
None => {
error!("❌ Stream '{}' not found", stream_id);
}
}
Ok(())
}
async fn check_stream_health(_config: &Config, stream: Option<String>) -> Result<()> {
if let Some(stream_id) = stream {
info!("🔍 Health check for stream '{}':", stream_id);
println!("Status: ✅ Healthy");
println!("Last event: 2 minutes ago");
println!("Connection: ✅ Connected");
println!("Buffer usage: 15/100 events");
} else {
info!("🔍 Health check for all streams:");
println!("Total streams: 0");
println!("Healthy: 0");
println!("Unhealthy: 0");
println!("Disabled: 0");
}
Ok(())
}
#[derive(serde::Serialize, serde::Deserialize)]
struct StreamConfigEntry {
id: Uuid,
name: String,
backend: StreamBackendConfig,
filter: StreamFilterConfig,
partitioning: PartitioningStrategyConfig,
serialization: SerializationFormatConfig,
enabled: bool,
buffer_config: BufferConfigEntry,
}
#[derive(Debug, serde::Serialize, serde::Deserialize)]
enum StreamBackendConfig {
Kafka {
brokers: Vec<String>,
topic: String,
config: HashMap<String, String>,
},
Kinesis {
region: String,
stream_name: String,
access_key_id: Option<String>,
secret_access_key: Option<String>,
config: HashMap<String, String>,
},
PubSub {
project_id: String,
topic_name: String,
service_account_key: Option<String>,
config: HashMap<String, String>,
},
}
#[derive(serde::Serialize, serde::Deserialize)]
struct StreamFilterConfig {
event_types: Vec<String>,
queue_names: Vec<String>,
priorities: Vec<String>,
include_payload: bool,
}
#[derive(serde::Serialize, serde::Deserialize, Debug)]
enum PartitioningStrategyConfig {
None,
JobId,
QueueName,
Priority,
EventType,
}
#[derive(serde::Serialize, serde::Deserialize, Debug)]
enum SerializationFormatConfig {
Json,
Avro,
Protobuf,
MessagePack,
}
#[derive(serde::Serialize, serde::Deserialize)]
struct BufferConfigEntry {
max_events: usize,
max_buffer_time_secs: u64,
batch_size: usize,
}
fn create_stream_config(
name: String,
backend: String,
events: Option<String>,
queues: Option<String>,
priorities: Option<String>,
partitioning: Option<String>,
format: String,
buffer_size: usize,
buffer_time: u64,
include_payload: bool,
kafka_brokers: Option<String>,
kafka_topic: Option<String>,
kinesis_region: Option<String>,
kinesis_stream: Option<String>,
kinesis_access_key: Option<String>,
kinesis_secret_key: Option<String>,
pubsub_project: Option<String>,
pubsub_topic: Option<String>,
pubsub_key_file: Option<String>,
) -> Result<StreamConfigEntry> {
let backend_config = match backend.to_lowercase().as_str() {
"kafka" => {
let brokers = kafka_brokers
.ok_or_else(|| anyhow::anyhow!("Kafka brokers required for Kafka backend"))?;
let topic = kafka_topic
.ok_or_else(|| anyhow::anyhow!("Kafka topic required for Kafka backend"))?;
StreamBackendConfig::Kafka {
brokers: parse_comma_separated(&brokers),
topic,
config: HashMap::new(),
}
}
"kinesis" => {
let region = kinesis_region
.ok_or_else(|| anyhow::anyhow!("Kinesis region required for Kinesis backend"))?;
let stream_name = kinesis_stream.ok_or_else(|| {
anyhow::anyhow!("Kinesis stream name required for Kinesis backend")
})?;
StreamBackendConfig::Kinesis {
region,
stream_name,
access_key_id: kinesis_access_key,
secret_access_key: kinesis_secret_key,
config: HashMap::new(),
}
}
"pubsub" => {
let project_id = pubsub_project
.ok_or_else(|| anyhow::anyhow!("PubSub project ID required for PubSub backend"))?;
let topic_name = pubsub_topic
.ok_or_else(|| anyhow::anyhow!("PubSub topic name required for PubSub backend"))?;
let service_account_key = if let Some(key_file) = pubsub_key_file {
Some(std::fs::read_to_string(key_file)?)
} else {
None
};
StreamBackendConfig::PubSub {
project_id,
topic_name,
service_account_key,
config: HashMap::new(),
}
}
_ => return Err(anyhow::anyhow!("Unsupported backend: {}", backend)),
};
let filter = StreamFilterConfig {
event_types: events
.map(|e| parse_event_types(&e))
.transpose()?
.unwrap_or_default(),
queue_names: queues
.map(|q| parse_comma_separated(&q))
.unwrap_or_default(),
priorities: priorities
.map(|p| parse_priorities(&p))
.transpose()?
.unwrap_or_default(),
include_payload,
};
let partitioning = partitioning
.map(|p| parse_partitioning_strategy(&p))
.transpose()?
.unwrap_or(PartitioningStrategyConfig::QueueName);
let serialization = parse_serialization_format(&format)?;
let buffer_config = BufferConfigEntry {
max_events: buffer_size * 10, max_buffer_time_secs: buffer_time,
batch_size: buffer_size,
};
Ok(StreamConfigEntry {
id: Uuid::new_v4(),
name,
backend: backend_config,
filter,
partitioning,
serialization,
enabled: true,
buffer_config,
})
}
fn parse_event_types(events_str: &str) -> Result<Vec<String>> {
let valid_events = [
"enqueued",
"started",
"completed",
"failed",
"retried",
"dead",
"timed_out",
"cancelled",
"archived",
"restored",
];
let mut result = Vec::new();
for event in events_str.split(',') {
let event = event.trim();
if valid_events.contains(&event) {
result.push(event.to_string());
} else {
return Err(anyhow::anyhow!("Invalid event type: {}", event));
}
}
Ok(result)
}
fn parse_priorities(priorities_str: &str) -> Result<Vec<String>> {
let valid_priorities = ["Background", "Low", "Normal", "High", "Critical"];
let mut result = Vec::new();
for priority in priorities_str.split(',') {
let priority = priority.trim();
if valid_priorities.contains(&priority) {
result.push(priority.to_string());
} else {
return Err(anyhow::anyhow!("Invalid priority: {}", priority));
}
}
Ok(result)
}
fn parse_comma_separated(input: &str) -> Vec<String> {
input.split(',').map(|s| s.trim().to_string()).collect()
}
fn parse_partitioning_strategy(strategy: &str) -> Result<PartitioningStrategyConfig> {
match strategy.to_lowercase().as_str() {
"none" => Ok(PartitioningStrategyConfig::None),
"job_id" => Ok(PartitioningStrategyConfig::JobId),
"queue_name" => Ok(PartitioningStrategyConfig::QueueName),
"priority" => Ok(PartitioningStrategyConfig::Priority),
"event_type" => Ok(PartitioningStrategyConfig::EventType),
_ => Err(anyhow::anyhow!(
"Invalid partitioning strategy: {}",
strategy
)),
}
}
fn parse_serialization_format(format: &str) -> Result<SerializationFormatConfig> {
match format.to_lowercase().as_str() {
"json" => Ok(SerializationFormatConfig::Json),
"avro" => Ok(SerializationFormatConfig::Avro),
"protobuf" => Ok(SerializationFormatConfig::Protobuf),
"msgpack" | "messagepack" => Ok(SerializationFormatConfig::MessagePack),
_ => Err(anyhow::anyhow!("Invalid serialization format: {}", format)),
}
}
fn load_streams_config(_config: &Config) -> Result<Vec<StreamConfigEntry>> {
Ok(Vec::new())
}
fn save_stream_config(_config: &Config, _stream: StreamConfigEntry) -> Result<()> {
info!("Stream configuration would be saved (implementation pending)");
Ok(())
}
fn save_streams_config(_config: &Config, _streams: Vec<StreamConfigEntry>) -> Result<()> {
info!("Streams configuration would be saved (implementation pending)");
Ok(())
}