use clap::{Parser, Subcommand, ValueEnum};

#[derive(Parser)]
#[command(name = "app", version)]
pub struct Cli {
    #[command(subcommand)]
    pub command: Option<Command>,
}

#[derive(Subcommand)]
pub enum Command {
    Serve,
    Mail,
    Migrate,
    Openapi {
        #[arg(long)]
        check: bool,
    },
    /// 事件系统：RocketMQ 消费 + socket.io 通道 + 内部 RPC
    Event {
        #[arg(long, value_enum, default_value_t = EventMode::Single)]
        mode: EventMode,
    },
}

/// 事件系统的运行角色；拆分布署时用 `consumer` / `actor` 单独启动。
#[derive(Debug, Clone, Copy, PartialEq, Eq, ValueEnum)]
pub enum EventMode {
    Single,
    Consumer,
    Actor,
}