use std::collections::HashMap;
use std::sync::Arc;

use axum::body::Body;
use axum::http::{Request, StatusCode};
use tower::util::ServiceExt;

use doctate_server::config::{Config, User};

fn test_config() -> Arc<Config> {
    let data_path = std::env::temp_dir().join(format!(
        "doctate-web-test-{}-{}",
        std::process::id(),
        uuid::Uuid::new_v4()
    ));
    Arc::new(Config {
        data_path,
        users: vec![User {
            slug: "dr_test".into(),
            api_key: "test-key".into(),
            web_password: "unused".into(),
            role: "doctor".into(),
            whisper: Default::default(),
        }],
        api_keys: HashMap::from([("test-key".into(), "dr_test".into())]),
        ..Config::test_default()
    })
}

#[tokio::test]
async fn web_audio_serves_file() {
    let config = test_config();
    let data_path = config.data_path.clone();

    let case_id = "770e8400-e29b-41d4-a716-446655440000";
    let case_dir = data_path.join("dr_test").join(case_id);
    std::fs::create_dir_all(&case_dir).unwrap();

    let audio_bytes = b"fake audio content for test";
    let filename = "2026-04-13T10-30-00Z.m4a";
    std::fs::write(case_dir.join(filename), audio_bytes).unwrap();

    let app = doctate_server::create_router(config);
    let response = app
        .oneshot(
            Request::builder()
                .uri(format!("/web/audio/dr_test/{case_id}/{filename}"))
                .body(Body::empty())
                .unwrap(),
        )
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::OK);
    assert_eq!(
        response
            .headers()
            .get("content-type")
            .unwrap()
            .to_str()
            .unwrap(),
        "audio/mp4"
    );

    let bytes = axum::body::to_bytes(response.into_body(), usize::MAX)
        .await
        .unwrap();
    assert_eq!(&bytes[..], audio_bytes);

    let _ = std::fs::remove_dir_all(&data_path);
}

#[tokio::test]
async fn web_audio_path_traversal_rejected() {
    let config = test_config();
    let app = doctate_server::create_router(config);

    let response = app
        .oneshot(
            Request::builder()
                .uri("/web/audio/..%2Fetc/550e8400-e29b-41d4-a716-446655440000/foo.m4a")
                .body(Body::empty())
                .unwrap(),
        )
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::BAD_REQUEST);
}

#[tokio::test]
async fn web_audio_invalid_case_id_rejected() {
    let config = test_config();
    let app = doctate_server::create_router(config);

    let response = app
        .oneshot(
            Request::builder()
                .uri("/web/audio/dr_test/not-a-uuid/foo.m4a")
                .body(Body::empty())
                .unwrap(),
        )
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::BAD_REQUEST);
}

#[tokio::test]
async fn web_audio_nonexistent_file_returns_404() {
    let config = test_config();
    let app = doctate_server::create_router(config);

    let response = app
        .oneshot(
            Request::builder()
                .uri("/web/audio/dr_test/550e8400-e29b-41d4-a716-446655440000/missing.m4a")
                .body(Body::empty())
                .unwrap(),
        )
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::NOT_FOUND);
}