/*
    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
    Copyright (C) 2023 metamuffin <metamuffin.org>
*/
pub mod migrate;

use anyhow::anyhow;
use clap::{Parser, Subcommand, ValueEnum};
use jellybase::{CONF, SECRETS};
use jellyclient::Instance;
use jellycommon::user::CreateSessionParams;
use log::{error, info};
use migrate::migrate;
use std::{fmt::Debug, path::PathBuf};

#[derive(Parser)]
struct Args {
    /// Path to global jellything config
    #[arg(short = 'C', long)]
    config: Option<PathBuf>,
    #[clap(subcommand)]
    action: Action,
}

#[derive(Subcommand)]
enum Action {
    /// Initialize a new jellything instance
    Init {
        /// Base path of the instance, must either be absolute or relative to the servers pwd
        base_path: PathBuf,
        #[arg(short, long)]
        brand: String,
        #[arg(short, long)]
        hostname: String,
    },
    Migrate {
        database: PathBuf,
        mode: MigrateMode,
        save_location: PathBuf,
    },
    Reimport {
        /// Custom hostname, the config's is used by default
        #[arg(long)]
        hostname: Option<String>,
        /// Disable TLS. Dont use this.
        #[arg(long)]
        no_tls: bool,
    },
}

#[derive(Debug, Clone, Copy, PartialEq, ValueEnum)]
enum MigrateMode {
    Import,
    Export,
}

fn main() -> anyhow::Result<()> {
    env_logger::builder()
        .filter_level(log::LevelFilter::Info)
        .parse_env("LOG")
        .init();
    let args = Args::parse();

    match args.action {
        Action::Init { .. } => {
            // info!("creating new instance...");
            // std::fs::create_dir_all(path.join("library"))?;
            // std::fs::create_dir_all(path.join("cache"))?;
            // std::fs::create_dir_all(path.join("assets"))?;
            // std::fs::create_dir_all(path.join("media"))?;
            // File::create_new(path.join("assets/front.htm"))?
            //     .write_fmt(format_args!("<h1>My very own jellything instance</h1>"))?;

            // // TODO: dont fill that
            // serde_yaml::to_writer(
            //     File::create_new(path.join("config.yaml"))?,
            //     &GlobalConfig {
            //         brand: brand.clone(),
            //         hostname,
            //         slogan: "Creative slogan here".to_string(),
            //         asset_path: path.join("assets"),
            //         cache_path: path.join("cache"),
            //         library_path: path.join("library"),
            //         database_path: path.join("database"),
            //         temp_path: "/tmp".into(),

            //         login_expire: 10,
            //         ..Default::default()
            //     },
            // )?;
            // serde_json::to_writer(
            //     File::create_new(path.join("library/directory.json"))?,
            //     &Node {
            //         public: NodePublic {
            //             kind: Some(NodeKind::Collection),
            //             title: Some("My Library".to_string()),
            //             ..Default::default()
            //         },
            //         private: NodePrivate {
            //             ..Default::default()
            //         },
            //     },
            // )?;
            // info!("{brand:?} is ready!");
            // warn!("please add an admin password to login.");
            error!("init is currently disabled");
            Ok(())
        }
        a @ Action::Migrate { .. } => migrate(a),
        Action::Reimport { hostname, no_tls } => tokio::runtime::Builder::new_multi_thread()
            .enable_all()
            .build()
            .unwrap()
            .block_on(async move {
                let inst = Instance::new(hostname.unwrap_or(CONF.hostname.clone()), !no_tls);
                info!("login");
                let session = inst
                    .login(CreateSessionParams {
                        drop_permissions: None,
                        expire: None,
                        password: SECRETS
                            .admin_password
                            .clone()
                            .ok_or(anyhow!("admin account required"))?,
                        username: CONF
                            .admin_username
                            .clone()
                            .ok_or(anyhow!("admin account required"))?,
                    })
                    .await?;

                session.reimport().await?;
                Ok(())
            }),
    }
}

// fn ok_or_warn<T, E: Debug>(r: Result<T, E>) -> Option<T> {
//     match r {
//         Ok(t) => Some(t),
//         Err(e) => {
//             warn!("{e:?}");
//             None
//         }
//     }
// }