//! Data models for the Coordinator client

use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::net::IpAddr;

// Re-export Job types from hero_job
pub use hero_job::{Job, JobStatus};

/// Timestamp type (Unix timestamp in seconds)
pub type Timestamp = u64;

// ==================== Actor ====================

/// Actor representation
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Actor {
    pub id: u32,
    pub pubkey: String,
    pub address: Vec<IpAddr>,
    pub created_at: Timestamp,
    pub updated_at: Timestamp,
}

/// Parameters for creating an actor
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ActorCreate {
    pub id: u32,
    pub pubkey: String,
    pub address: Vec<IpAddr>,
}

// ==================== Context ====================

/// Context representation
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Context {
    /// Redis DB to use
    pub id: u32,
    /// Actor ids which have admin rights on this context
    pub admins: Vec<u32>,
    /// Actor ids which can read the context info
    pub readers: Vec<u32>,
    /// Actor ids which can execute jobs in this context
    pub executors: Vec<u32>,
    pub created_at: Timestamp,
    pub updated_at: Timestamp,
}

/// Parameters for creating a context
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ContextCreate {
    pub id: u32,
    pub admins: Vec<u32>,
    pub readers: Vec<u32>,
    pub executors: Vec<u32>,
}

// ==================== Runner ====================

/// Runner representation
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Runner {
    pub id: u32,
    /// Mycelium public key
    pub pubkey: String,
    /// Mycelium address
    pub address: IpAddr,
    /// Message topic (e.g., "supervisor.rpc")
    pub topic: String,
    /// Script type this runner supports
    pub script_type: ScriptType,
    /// If true, the runner also listens on a local redis queue
    pub local: bool,
    /// Optional secret for authenticated supervisor calls
    #[serde(skip_serializing_if = "Option::is_none")]
    pub secret: Option<String>,
    pub created_at: Timestamp,
    pub updated_at: Timestamp,
}

/// Parameters for creating a runner
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RunnerCreate {
    pub id: u32,
    pub pubkey: String,
    pub address: IpAddr,
    pub topic: String,
    pub script_type: ScriptType,
    pub local: bool,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub secret: Option<String>,
}

/// Script type supported by a runner
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum ScriptType {
    Python,
    V,
    Osis,
    Sal,
}

// ==================== Job ====================

/// Parameters for creating a job
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct JobCreate {
    pub id: u32,
    pub caller_id: u32,
    pub context_id: u32,
    pub script: String,
    pub script_type: ScriptType,
    pub timeout: u64,
    #[serde(default)]
    pub retries: u8,
    #[serde(default)]
    pub env_vars: HashMap<String, String>,
    #[serde(default)]
    pub prerequisites: Vec<u32>,
    #[serde(default)]
    pub depends: Vec<u32>,
}

// ==================== Flow ====================

/// Flow representation
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Flow {
    pub id: u32,
    pub caller_id: u32,
    pub context_id: u32,
    pub jobs: Vec<u32>,
    pub env_vars: HashMap<String, String>,
    pub result: HashMap<String, String>,
    pub created_at: Timestamp,
    pub updated_at: Timestamp,
    pub status: FlowStatus,
}

/// Parameters for creating a flow
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct FlowCreate {
    pub id: u32,
    pub caller_id: u32,
    pub context_id: u32,
    pub jobs: Vec<u32>,
    #[serde(default)]
    pub env_vars: HashMap<String, String>,
}

/// Flow status
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum FlowStatus {
    Created,
    Dispatched,
    Started,
    Error,
    Finished,
}

/// DAG representation of a flow
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct FlowDag {
    pub flow_id: u32,
    pub nodes: Vec<DagNode>,
    pub edges: Vec<DagEdge>,
}

/// Node in a DAG
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DagNode {
    pub job_id: u32,
    pub status: JobStatus,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub result: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub error: Option<String>,
}

/// Edge in a DAG (dependency relationship)
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DagEdge {
    pub from: u32,
    pub to: u32,
}

// ==================== Message ====================

/// Message representation
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Message {
    pub id: u32,
    pub context_id: u32,
    pub runner_id: u32,
    pub job_id: u32,
    pub message_type: MessageType,
    pub format: MessageFormatType,
    pub payload: String,
    pub status: MessageStatus,
    pub transport_status: TransportStatus,
    pub created_at: Timestamp,
    pub updated_at: Timestamp,
}

/// Parameters for creating a message
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MessageCreate {
    pub id: u32,
    pub context_id: u32,
    pub runner_id: u32,
    pub job_id: u32,
    pub message_type: MessageType,
    pub format: MessageFormatType,
    pub payload: String,
}

/// Message type
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum MessageType {
    JobRun,
    JobResult,
    JobError,
}

/// Message format
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum MessageFormatType {
    JsonRpc,
}

/// Message status
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum MessageStatus {
    Created,
    Sent,
    Delivered,
    Failed,
}

/// Transport status
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum TransportStatus {
    Pending,
    Sent,
    Delivered,
    Failed,
}