use anyhow::Result;
use crate::{ ConfigManager, config::Host };
use serde::{ Serialize, Deserialize };
use std::io;
use tui::{ backend::TermionBackend, Terminal };


#[derive(Clone, Debug)]
pub struct PlatformKey {
    pub file: String,
    pub display: String,
}

impl std::fmt::Display for PlatformKey {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_str(&self.display)
    }
}


// todo: GPG support
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]
pub enum Platform {
    SSH
}

impl std::fmt::Display for Platform {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_str(match self {
            Platform::SSH => "SSH",
        })
    }
}

impl Platform {
    pub fn all() -> Vec<Platform> {
        vec![
            Self::SSH
        ]
    }
    
    pub fn new_host(&self, config: &mut ConfigManager) -> Result<Host> {
        match self {
            Platform::SSH => self.ssh_new_host(config)
        }
    }
    
    pub fn get_keys(&self, config: &ConfigManager) -> Vec<PlatformKey> {
        match self {
            Platform::SSH => self.ssh_get_keys(config),
        }
    }
    pub fn run(&self, host: &mut Host, config: &mut ConfigManager, term: &mut Terminal<TermionBackend<io::Stdout>>) -> Result<()> {
        match self {
            Platform::SSH => self.ssh_run(host, config, term),
        }
    }
    
    // --- --- ---
    //     GPG
    // --- --- ---
}