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use std::path::PathBuf;

use axum::async_trait;
use color_eyre::owo_colors::OwoColorize;
use colored::Colorize;

use crate::application::{container, Container};
use crate::contracts::Configuration;
use crate::Result;
use crate::{app, config, env};

#[async_trait]
pub trait Application: Sync + Send {
    fn logo() -> &'static str {
        r"
░░      ░░░  ░░░░  ░░  ░░░░  ░░   ░░░  ░
▒  ▒▒▒▒  ▒▒▒  ▒▒  ▒▒▒  ▒▒▒▒  ▒▒    ▒▒  ▒
▓  ▓▓▓▓  ▓▓▓▓    ▓▓▓▓  ▓▓▓▓  ▓▓  ▓  ▓  ▓
█        █████  █████  ████  ██  ██    █
█  ████  █████  ██████      ███  ███   █
"
    }

    fn name() -> &'static str {
        env!("CARGO_CRATE_NAME")
    }

    fn version() -> &'static str {
        env!("CARGO_PKG_VERSION")
    }

    fn base_path() -> PathBuf {
        env("CARGO_MANIFEST_DIR")
            .map(PathBuf::from)
            .unwrap_or_else(|_| {
                std::env::current_dir()
                    .expect("project directory does not exist or permissions are insufficient")
            })
    }

    #[cfg(any(feature = "http1", feature = "http2"))]
    fn with_routing() -> axum::Router {
        axum::Router::new()
            .merge(crate::http::Router::group(Box::new(|mut router| {
                // without middleware

                router.route("/", axum::routing::get(|| async { "hello,ayun" }));
                router
            })))
            .merge(crate::http::Router::group(Box::new(|mut router| {
                // with middleware

                router
                    .with_global_middlewares()
                    .route("/ping", axum::routing::get(|| async { "pong" }))
                    .route("/pong", axum::routing::get(|| async { "ping" }));

                router
            })))
    }

    #[cfg(feature = "schedule")]
    fn with_schedule() -> Result<crate::support::scheduling::Schedule> {
        use crate::support::scheduling::Task;

        let mut schedule = crate::support::scheduling::Schedule::default();

        schedule.add(Task::foreground("0/1 * * * * *", || {
            tracing::info!("task: 0/1 * * * * *")
        })?);

        schedule.add(Task::foreground("0/5 * * * * *", || {
            tracing::info!("task: 0/5 * * * * *")
        })?);

        schedule.add(Task::background("0/10 * * * * *", || {
            Box::pin(async { tracing::info!("async task: 0/10 * * * * *") })
        })?);

        Ok(schedule)
    }

    fn register() -> Container {
        let mut container = Container::default();

        container.register::<Self, crate::support::facades::Path>();
        container.register::<Self, crate::support::facades::Environment>();
        container.register::<Self, crate::support::facades::Config>();
        container.register::<Self, crate::support::facades::Logger>();
        #[cfg(feature = "metrics")]
        container.register::<Self, crate::support::facades::Metrics>();
        #[cfg(any(
            feature = "http1",
            feature = "http2",
            feature = "database",
            feature = "redis"
        ))]
        container.register::<Self, crate::support::facades::Runtime>();
        #[cfg(feature = "database")]
        container.register::<Self, crate::support::facades::Database>();
        #[cfg(feature = "redis")]
        container.register::<Self, crate::support::facades::Redis>();

        container
    }

    fn boot() -> Result<()> {
        let _enter = app::<crate::support::facades::Logger>().map(|span| span.enter());

        for (scope, name) in container().instances() {
            tracing::info!("[{}] `{}` successfully boot.", scope, name);
        }

        println!("{}", Self::logo().cyan());

        let workspace = Self::base_path().to_string_lossy().to_string();
        let environment =
            app::<crate::support::facades::Environment>().map(|environment| environment.is())?;

        let source = app::<crate::support::facades::Config>()?
            .source()
            .replace(&workspace, "");
        let level = config::<crate::enums::config::Logger>("log")
            .unwrap_or_default()
            .level;

        println!("environment: {}", environment.green().bold());
        println!("     config: {}", source.yellow());
        println!("     logger: {}", level.green());
        println!();

        // scheduler
        #[cfg(feature = "schedule")]
        crate::support::scheduling::run::<Self>()?;

        // http server
        #[cfg(any(feature = "http1", feature = "http2"))]
        {
            let runtime = app::<crate::support::facades::Runtime>()?;

            let config = config::<crate::enums::config::Server>("server").unwrap_or_default();

            println!("server listening on {}", config.uri.green());

            runtime.block_on(crate::http::server::<Self>(config))?;
        }

        Ok(())
    }
}