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

#[derive(Debug, Clone, ValueEnum)]
pub enum Target {
    #[value(name = "user")]
    User,
    #[value(name = "system")]
    System,
}

impl From<Target> for Scope {
    fn from(target: Target) -> Self {
        match target {
            Target::User => Scope::User,
            Target::System => Scope::System,
        }
    }
}

/// Simple program to manage Windows file associations
#[derive(Parser)]
#[command(name = "Windows File Association Operator", version, about)]
pub struct Cli {
    /// The TOML file representing the complete program
    #[arg(
        short = 'c',
        long = "config",
        value_name = "PROG_CONFIG",
        required = true
    )]
    pub(crate) config_file: String,

    #[command(subcommand)]
    pub(crate) command: Commands,
}

#[derive(Subcommand)]
pub enum Commands {
    /// Register the program
    #[command(name = "register")]
    #[command(about = "Register application with given manifest and scope.")]
    Register {
        /// The scope where wfassoc operate
        #[arg(short = 't', long = "target", value_name = "TARGET", value_enum, default_value_t = Target::User)]
        target: Target,
    },
    /// Unregister the program
    #[command(name = "unregister")]
    #[command(about = "Unregister application with given manifest and scope.")]
    Unregister {
        /// The scope where wfassoc operate
        #[arg(short = 't', long = "target", value_name = "TARGET", value_enum, default_value_t = Target::User)]
        target: Target,
    },
    /// Query file associations
    #[command(name = "query")]
    #[command(about = "Query file extensions association infos according toh given manifest represented application.")]
    Query,
}