schema-registry-cli 2.1.0

use std::env;
use std::str::FromStr;

use clap::{Args, Parser, Subcommand};
use url::Url;

mod completion;
mod schema;
mod subjects;
mod verbosity;

pub use self::completion::*;
pub use self::schema::*;
pub use self::subjects::*;
pub use self::verbosity::*;

/// Schema Registry CLI arguments
#[derive(Debug, Clone, Parser)]
#[clap(version, author = env!("CARGO_PKG_HOMEPAGE"), about)]
pub struct Settings {
    /// Verbosity
    #[clap(flatten)]
    pub verbosity: Verbosity,

    /// Command
    #[clap(subcommand)]
    pub command: Command,
}

/// Available commands
#[derive(Debug, Clone, Subcommand)]
pub enum Command {
    /// Subject commands
    #[clap(subcommand)]
    Subject(SubjectSubCommand),

    /// Schema commands
    #[clap(subcommand)]
    Schema(SchemaSubCommand),

    /// Generate shell completions
    Completion(Completion),
}

const DEFAULT_SCHEMA_REGISTRY_URL: &str = "http://localhost:8081";

/// Schema registry settings
#[derive(Debug, Clone, PartialEq, Args)]
pub struct SchemaRegistrySettings {
    /// The schema registry URL
    #[clap(short, long, default_value_t = SchemaRegistrySettings::get_url_from_env())]
    pub url: Url,
}

impl SchemaRegistrySettings {
    fn get_url_from_env() -> Url {
        let input = env::var("SCHEMA_REGISTRY_URL")
            .unwrap_or_else(|_| DEFAULT_SCHEMA_REGISTRY_URL.to_string());
        Url::from_str(&input).expect("Valid URL")
    }
}

impl Default for SchemaRegistrySettings {
    fn default() -> Self {
        let url = Self::get_url_from_env();
        Self { url }
    }
}