use crate::cli::defaults;
use clap::{Args as ClapArgs, Parser, Subcommand};
use std::path::PathBuf;

#[derive(Parser, Debug)]
#[command(author, version, about)]
pub struct CliArgs {
    #[command(flatten)]
    pub global: GlobalArgs,

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

#[derive(ClapArgs, Debug)]
pub struct GlobalArgs {
    /// Path to config file
    #[arg(short, long, default_value = "config.toml")]
    pub config: PathBuf,

    #[arg(long, help = defaults::HELP_LOG)]
    pub log_level: Option<String>,
}

#[derive(Subcommand, Debug, Clone)]
pub enum Command {
    /// Start the application server
    Server(ServerArgs),

    /// Decode a word using given system
    Decode(DecodeArgs),

    /// Import dictionary
    ImportDict(ImportDictArgs),
}

#[derive(ClapArgs, Debug, Clone)]
pub struct ServerArgs {
    #[arg(short, long, help = defaults::HELP_PORT)]
    pub port: Option<u16>,
}

#[derive(ClapArgs, Debug, Clone)]
pub struct DecodeArgs {
    #[arg(long, help = defaults::HELP_ENC_SYSTEM)]
    pub system: Option<String>,

    #[arg(long, help = defaults::HELP_ENC_INPUT)]
    pub input: String,
}

#[derive(ClapArgs, Debug, Clone)]
pub struct ImportDictArgs {
    #[arg(long, help = defaults::HELP_IMPORT_DICT_NAME)]
    pub name: String,

    #[arg(long, help = defaults::HELP_IMPORT_DICT_INPUT)]
    pub path: String,
}