use clap::Parser;
use std::path::PathBuf;

use crate::config::SyncPublicKey;

/// Extract SSH keys from Proton Pass to local files and generate SSH config
#[derive(Parser, Debug)]
#[command(name = "pass-ssh-unpack")]
#[command(version, about, long_about = None)]
pub struct Args {
    /// Vault(s) to process (repeatable, supports wildcards)
    #[arg(short, long, action = clap::ArgAction::Append)]
    pub vault: Vec<String>,

    /// Item title pattern(s) to unpack (repeatable, supports wildcards)
    #[arg(short, long, action = clap::ArgAction::Append)]
    pub item: Vec<String>,

    /// Full regeneration (clear config first)
    #[arg(short, long)]
    pub full: bool,

    /// Suppress output
    #[arg(short, long)]
    pub quiet: bool,

    /// Only process SSH keys (skip rclone sync)
    #[arg(long, conflicts_with = "rclone")]
    pub ssh: bool,

    /// Only process rclone remotes (skip SSH key extraction)
    #[arg(long, conflicts_with = "ssh")]
    pub rclone: bool,

    /// Remove all managed SSH keys and rclone remotes, then exit
    #[arg(long)]
    pub purge: bool,

    /// Show what would be done without making changes
    #[arg(long)]
    pub dry_run: bool,

    /// Custom config file path
    #[arg(short, long)]
    pub config: Option<PathBuf>,

    /// Override SSH output directory (default: ~/.ssh/proton-pass)
    #[arg(short, long)]
    pub output_dir: Option<PathBuf>,

    /// Override when to sync public keys back to Proton Pass
    #[arg(long, value_enum)]
    pub sync_public_key: Option<SyncPublicKey>,

    /// Override path in Proton Pass to rclone config password
    #[arg(long)]
    pub rclone_password_path: Option<String>,

    /// Force rclone config encryption after operations
    #[arg(long)]
    pub always_encrypt: bool,

    /// Import SSH entries from Teleport (tsh) login
    #[arg(long)]
    pub from_tsh: bool,

    /// Skip scanning remote servers for sftp-server path (use default)
    #[arg(long)]
    pub no_scan: bool,
}

impl Args {
    /// Check if the user provided any meaningful flags (non-interactive mode)
    pub fn has_flags(&self) -> bool {
        !self.vault.is_empty()
            || !self.item.is_empty()
            || self.full
            || self.quiet
            || self.ssh
            || self.rclone
            || self.purge
            || self.dry_run
            || self.config.is_some()
            || self.output_dir.is_some()
            || self.sync_public_key.is_some()
            || self.rclone_password_path.is_some()
            || self.always_encrypt
            || self.from_tsh
            || self.no_scan
    }
}
