use anyhow::{
    Context,
    Result,
};
use clap::{
    Parser,
    Subcommand,
};
use etecal::session::{
    store_etebase_session,
    restore_etebase_session,
};

#[derive(Subcommand, Clone)]
#[command(arg_required_else_help = true)]
enum Commands {
    /// Login with user account
    Login {
        #[arg(long)]
        url: String,
        user: String,
        pass: String,
    },
    /// Display available calendars
    Calendars,
}

#[derive(Parser)]
#[command(version, about, long_about = None, arg_required_else_help = true)]
struct Cli {
    #[command(subcommand)]
    command: Option<Commands>,
    /// Path to config directory
    #[arg(long)]
    config: Option<String>,
}

fn main() -> Result<()> {
    let cli = Cli::parse();

    let command = &cli.command.context("No command provided")?.clone();

    match &command {
        Commands::Login{url, user, pass} => {
            store_etebase_session(url, user, pass)?;
        },
        Commands::Calendars => {
            let etebase = restore_etebase_session()?;

            let collection_manager = etebase.collection_manager()?;
            for collection in collection_manager.list("etebase.vevent", None)?.data() {
                println!("{} [{}]", collection.meta()?.name().unwrap(), collection.uid());
            }
        },
    }

    Ok(())
}