use std::path::PathBuf;

use clap::{Parser, Subcommand};

#[derive(Parser)]
#[clap(author, version, about, long_about = None)]
pub(crate) struct Cli {
    #[clap(subcommand)]
    pub command: Command,
}

#[derive(Subcommand)]
pub(crate) enum Command {
    /// Fetch emails from an IMAP server
    FetchFromImap {
        #[clap(short, long, value_parser)]
        server: String,
        #[clap(long, value_parser, default_value_t = 993)]
        port: u16,
        #[clap(short, long, value_parser)]
        username: String,
        #[clap(short, long, value_parser)]
        password: String,
    },
    /// Fetch an email from a .eml file
    FetchFromFile {
        #[clap(value_parser)]
        filename: PathBuf,
    },
    /// Build an ATOM feed containing the full contents of the email
    BuildFeed {
        /// Host name hosting the feed
        hostname: String,
        /// Feed file
        #[clap(value_parser, default_value = "output/feed.xml")]
        filename: PathBuf,
        /// Create an HTML file for each message
        #[clap(short, long, value_parser, default_value_t = false)]
        include_html: bool,
    },
    /// Exports the emails as HTML files
    ExportHtml {
        /// The directory in which the emails will be stored
        #[clap(value_parser, default_value = "output/")]
        directory: PathBuf,
    },
    /// Fetches and exports all mails from an IMAP mailbox. Requires configuration
    FetchAndExport {
        /// The directory in which the output will be stored
        #[clap(value_parser, default_value = "output/")]
        directory: PathBuf,
    },
    /// Update to the latest version
    Update,
}