use std::sync::Arc;

use brewlog::domain::repositories::{
    RoastRepository, RoasterRepository, TimelineEventRepository, TokenRepository, UserRepository,
};
use brewlog::domain::roasters::{NewRoaster, Roaster};
use brewlog::domain::users::User;
use brewlog::infrastructure::auth::hash_password;
use brewlog::infrastructure::database::Database;
use brewlog::infrastructure::repositories::roasters::SqlRoasterRepository;
use brewlog::infrastructure::repositories::roasts::SqlRoastRepository;
use brewlog::infrastructure::repositories::timeline_events::SqlTimelineEventRepository;
use brewlog::infrastructure::repositories::tokens::SqlTokenRepository;
use brewlog::infrastructure::repositories::users::SqlUserRepository;
use brewlog::server::routes::app_router;
use brewlog::server::server::AppState;
use chrono::Utc;
use reqwest::Client;
use tokio::net::TcpListener;

pub struct TestApp {
    pub address: String,
    pub roaster_repo: Arc<dyn RoasterRepository>,
    pub roast_repo: Arc<dyn RoastRepository>,
    #[allow(dead_code)]
    pub timeline_repo: Arc<dyn TimelineEventRepository>,
    #[allow(dead_code)]
    pub user_repo: Option<Arc<dyn UserRepository>>,
    #[allow(dead_code)]
    pub token_repo: Option<Arc<dyn TokenRepository>>,
}

impl TestApp {
    pub fn api_url(&self, path: &str) -> String {
        format!("{}/api/v1{}", self.address, path)
    }
}

pub async fn spawn_app() -> TestApp {
    // Use in-memory SQLite database for testing
    let database = Database::connect("sqlite::memory:")
        .await
        .expect("Failed to connect to in-memory database");

    // Run migrations
    database
        .migrate()
        .await
        .expect("Failed to migrate database");

    // Create repositories
    let roaster_repo = Arc::new(SqlRoasterRepository::new(database.clone_pool()));
    let roast_repo = Arc::new(SqlRoastRepository::new(database.clone_pool()));
    let timeline_repo = Arc::new(SqlTimelineEventRepository::new(database.clone_pool()));
    let user_repo: Arc<dyn UserRepository> =
        Arc::new(SqlUserRepository::new(database.clone_pool()));
    let token_repo: Arc<dyn TokenRepository> =
        Arc::new(SqlTokenRepository::new(database.clone_pool()));

    // Create application state
    let state = AppState::new(
        roaster_repo.clone(),
        roast_repo.clone(),
        timeline_repo.clone(),
        user_repo.clone(),
        token_repo.clone(),
    );

    // Create router
    let app = app_router(state);

    // Bind to a random port
    let listener = TcpListener::bind("127.0.0.1:0")
        .await
        .expect("Failed to bind to random port");

    let local_addr = listener.local_addr().expect("Failed to get local address");
    let address = format!("http://{}", local_addr);

    // Spawn the server in a background task
    tokio::spawn(async move {
        axum::serve(listener, app)
            .await
            .expect("Server failed to start");
    });

    TestApp {
        address,
        roaster_repo,
        roast_repo,
        timeline_repo,
        user_repo: Some(user_repo),
        token_repo: Some(token_repo),
    }
}

pub async fn spawn_app_with_auth() -> TestApp {
    let app = spawn_app().await;

    // Create admin user with known password
    let password_hash = hash_password("test_password").expect("Failed to hash password");
    let admin_user = User::new(
        "test_admin_id".to_string(),
        "admin".to_string(),
        password_hash,
        Utc::now(),
    );

    app.user_repo
        .as_ref()
        .unwrap()
        .insert(admin_user)
        .await
        .expect("Failed to create admin user");

    app
}

pub async fn create_roaster_with_payload(app: &TestApp, payload: NewRoaster) -> Roaster {
    let client = Client::new();
    let response = client
        .post(app.api_url("/roasters"))
        .json(&payload)
        .send()
        .await
        .expect("failed to create roaster via API");

    response
        .json()
        .await
        .expect("failed to deserialize roaster from response")
}

pub async fn create_roaster_with_name(app: &TestApp, name: &str) -> Roaster {
    create_roaster_with_payload(
        app,
        NewRoaster {
            name: name.to_string(),
            country: "UK".to_string(),
            city: None,
            homepage: None,
            notes: None,
        },
    )
    .await
}

pub async fn create_default_roaster(app: &TestApp) -> Roaster {
    create_roaster_with_name(app, "Test Roasters").await
}