#![allow(dead_code)]
#![cfg_attr(feature = "desktop", windows_subsystem = "windows")]

use actix_cors::Cors;
use actix_web::middleware::Logger;
use actix_web::{web, App, HttpServer};
use dotenvy::dotenv;
use log::info;
use std::collections::HashMap;
use std::sync::{Arc, Mutex};

mod auth;
mod automation;
mod basic;
mod bootstrap;
mod bot;
mod channels;
mod config;
mod context;
mod drive_monitor;
#[cfg(feature = "email")]
mod email;
#[cfg(feature = "desktop")]
mod ui;
mod file;
mod kb;
mod llm;
mod llm_legacy;
mod meet;
mod org;
mod package_manager;
mod session;
mod shared;
mod tools;
#[cfg(feature = "web_automation")]
mod web_automation;
mod web_server;
mod whatsapp;

use crate::auth::auth_handler;
use crate::automation::AutomationService;
use crate::bootstrap::BootstrapManager;
use crate::bot::{start_session, websocket_handler};
use crate::channels::{VoiceAdapter, WebChannelAdapter};
use crate::config::AppConfig;
use crate::drive_monitor::DriveMonitor;
#[cfg(feature = "email")]
use crate::email::{
    get_emails, get_latest_email_from, list_emails, save_click, save_draft, send_email,
};
use crate::file::{init_drive, upload_file};
use crate::llm_legacy::llm_local::{
    chat_completions_local, embeddings_local, ensure_llama_servers_running,
};
use crate::meet::{voice_start, voice_stop};
use crate::package_manager::InstallMode;
use crate::session::{create_session, get_session_history, get_sessions};
use crate::shared::state::AppState;
use crate::web_server::{bot_index, index, static_files};
use crate::whatsapp::whatsapp_webhook_verify;
use crate::whatsapp::WhatsAppAdapter;

#[cfg(not(feature = "desktop"))]
#[tokio::main]
async fn main() -> std::io::Result<()> {
    let args: Vec<String> = std::env::args().collect();
    if args.len() > 1 {
        let command = &args[1];
        match command.as_str() {
            "install" | "remove" | "list" | "status" | "start" | "stop" | "restart" | "--help"
            | "-h" => match package_manager::cli::run().await {
                Ok(_) => return Ok(()),
                Err(e) => {
                    eprintln!("CLI error: {}", e);
                    return Err(std::io::Error::new(
                        std::io::ErrorKind::Other,
                        format!("CLI command failed: {}", e),
                    ));
                }
            },
            _ => {
                eprintln!("Unknown command: {}", command);
                eprintln!("Run 'botserver --help' for usage information");
                return Err(std::io::Error::new(
                    std::io::ErrorKind::InvalidInput,
                    format!("Unknown command: {}", command),
                ));
            }
        }
    }

    dotenv().ok();
    env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info"))
        .write_style(env_logger::WriteStyle::Always)
        .init();

    let install_mode = if args.contains(&"--container".to_string()) {
        InstallMode::Container
    } else {
        InstallMode::Local
    };

    let tenant = if let Some(idx) = args.iter().position(|a| a == "--tenant") {
        args.get(idx + 1).cloned()
    } else {
        None
    };

    let mut bootstrap = BootstrapManager::new(install_mode.clone(), tenant.clone());
    let cfg = match bootstrap.bootstrap() {
        Ok(config) => {
            info!("Bootstrap completed successfully");
            config
        }
        Err(e) => {
            log::error!("Bootstrap failed: {}", e);
            match diesel::Connection::establish(
                &std::env::var("DATABASE_URL")
                    .unwrap_or_else(|_| "postgres://gbuser:@localhost:5432/botserver".to_string()),
            ) {
                Ok(mut conn) => AppConfig::from_database(&mut conn),
                Err(_) => {
                    AppConfig::from_env()
                }
            }
        }
    };

    let _ = bootstrap.start_all();
    if let Err(e) = bootstrap.upload_templates_to_minio(&cfg).await {
        log::warn!("Failed to upload templates to MinIO: {}", e);
    }

    // Refresh configuration from environment to ensure latest DATABASE_URL and credentials
    dotenv().ok();
    let refreshed_cfg = AppConfig::from_env();
    let config = std::sync::Arc::new(refreshed_cfg.clone());
    let db_pool = match diesel::Connection::establish(&refreshed_cfg.database_url()) {
        Ok(conn) => Arc::new(Mutex::new(conn)),
        Err(e) => {
            log::error!("Failed to connect to main database: {}", e);
            return Err(std::io::Error::new(
                std::io::ErrorKind::ConnectionRefused,
                format!("Database connection failed: {}", e),
            ));
        }
    };

    let db_custom_pool = db_pool.clone();
    ensure_llama_servers_running()
        .await
        .expect("Failed to initialize LLM local server");

    let cache_url = std::env::var("CACHE_URL")
        .or_else(|_| std::env::var("REDIS_URL"))
        .unwrap_or_else(|_| "redis://localhost:6379".to_string());
    let redis_client = match redis::Client::open(cache_url.as_str()) {
        Ok(client) => Some(Arc::new(client)),
        Err(e) => {
            log::warn!("Failed to connect to Redis: Redis URL did not parse- {}", e);
            None
        }
    };

    let tool_manager = Arc::new(tools::ToolManager::new());
    let llm_provider = Arc::new(crate::llm::OpenAIClient::new(
        "empty".to_string(),
        Some(cfg.ai.endpoint.clone()),
    ));
    let web_adapter = Arc::new(WebChannelAdapter::new());
    let voice_adapter = Arc::new(VoiceAdapter::new(
        "https://livekit.example.com".to_string(),
        "api_key".to_string(),
        "api_secret".to_string(),
    ));
    let whatsapp_adapter = Arc::new(WhatsAppAdapter::new(
        "whatsapp_token".to_string(),
        "phone_number_id".to_string(),
        "verify_token".to_string(),
    ));
    let tool_api = Arc::new(tools::ToolApi::new());

    let drive = init_drive(&config.minio)
        .await
        .expect("Failed to initialize Drive");

    let session_manager = Arc::new(tokio::sync::Mutex::new(session::SessionManager::new(
        diesel::Connection::establish(&cfg.database_url()).unwrap(),
        redis_client.clone(),
    )));

    let auth_service = Arc::new(tokio::sync::Mutex::new(auth::AuthService::new(
        diesel::Connection::establish(&cfg.database_url()).unwrap(),
        redis_client.clone(),
    )));

    let app_state = Arc::new(AppState {
        s3_operator: Some(drive.clone()),
        config: Some(cfg.clone()),
        conn: db_pool.clone(),
        custom_conn: db_custom_pool.clone(),
        redis_client: redis_client.clone(),
        session_manager: session_manager.clone(),
        tool_manager: tool_manager.clone(),
        llm_provider: llm_provider.clone(),
        auth_service: auth_service.clone(),
        channels: Arc::new(Mutex::new({
            let mut map = HashMap::new();
            map.insert(
                "web".to_string(),
                web_adapter.clone() as Arc<dyn crate::channels::ChannelAdapter>,
            );
            map
        })),
        response_channels: Arc::new(tokio::sync::Mutex::new(HashMap::new())),
        web_adapter: web_adapter.clone(),
        voice_adapter: voice_adapter.clone(),
        whatsapp_adapter: whatsapp_adapter.clone(),
        tool_api: tool_api.clone(),
    });

    info!("Starting HTTP server on {}:{}", config.server.host, config.server.port);
    let worker_count = std::thread::available_parallelism()
        .map(|n| n.get())
        .unwrap_or(4);

    let automation_state = app_state.clone();
    std::thread::spawn(move || {
        let rt = tokio::runtime::Builder::new_current_thread()
            .enable_all()
            .build()
            .expect("Failed to create runtime for automation");
        let local = tokio::task::LocalSet::new();
        local.block_on(&rt, async move {
            let bot_guid = std::env::var("BOT_GUID").unwrap_or_else(|_| "default_bot".to_string());
            let scripts_dir = format!("work/{}.gbai/.gbdialog", bot_guid);
            let automation = AutomationService::new(automation_state, &scripts_dir);
            automation.spawn().await.ok();
        });
    });

    let drive_state = app_state.clone();
    let bot_guid = std::env::var("BOT_GUID").unwrap_or_else(|_| "default_bot".to_string());
    let bucket_name = format!("{}{}.gbai", cfg.minio.org_prefix, bot_guid);
    let drive_monitor = Arc::new(DriveMonitor::new(drive_state, bucket_name));
    let _drive_handle = drive_monitor.spawn();

    HttpServer::new(move || {
        let cors = Cors::default()
            .allow_any_origin()
            .allow_any_method()
            .allow_any_header()
            .max_age(3600);

        let app_state_clone = app_state.clone();
        let mut app = App::new()
            .wrap(cors)
            .wrap(Logger::default())
            .wrap(Logger::new("HTTP REQUEST: %a %{User-Agent}i"))
            .app_data(web::Data::from(app_state_clone));

        app = app
            .service(upload_file)
            .service(index)
            .service(static_files)
            .service(websocket_handler)
            .service(auth_handler)
            .service(whatsapp_webhook_verify)
            .service(voice_start)
            .service(voice_stop)
            .service(create_session)
            .service(get_sessions)
            .service(start_session)
            .service(get_session_history)
            .service(chat_completions_local)
            .service(embeddings_local)
            .service(bot_index); // Must be last - catches all remaining paths

        #[cfg(feature = "email")]
        {
            app = app
                .service(get_latest_email_from)
                .service(get_emails)
                .service(list_emails)
                .service(send_email)
                .service(save_draft)
                .service(save_click);
        }

        app
    })
    .workers(worker_count)
    .bind((config.server.host.clone(), config.server.port))?
    .run()
    .await
}