//! Extended media upload integration tests — auth edge cases, content validation,
//! multi-format uploads, WebSocket imeta validation.
//!
//! Run: cargo test -p buzz-test-client --test e2e_media_extended -- --ignored --nocapture

use base64::{engine::general_purpose::URL_SAFE_NO_PAD, Engine as _};
use nostr::{EventBuilder, JsonUtil, Keys, Kind, Tag, Timestamp};
use reqwest::Client;
use sha2::{Digest, Sha256};
use std::time::Duration;

fn relay_http_url() -> String {
    std::env::var("RELAY_HTTP_URL").unwrap_or_else(|_| "http://localhost:3000".to_string())
}

fn relay_ws_url() -> String {
    relay_http_url()
        .replace("http://", "ws://")
        .replace("https://", "wss://")
}

fn http_client() -> Client {
    Client::builder()
        .timeout(Duration::from_secs(15))
        .build()
        .expect("http client")
}

fn sign_blossom_auth(keys: &Keys, sha256: &str) -> nostr::Event {
    let now = Timestamp::now().as_secs();
    let tags = vec![
        Tag::parse(["t", "upload"]).unwrap(),
        Tag::parse(["x", sha256]).unwrap(),
        Tag::parse(["expiration", &(now + 300).to_string()]).unwrap(),
    ];
    EventBuilder::new(Kind::from(24242), "Upload test")
        .tags(tags)
        .sign_with_keys(keys)
        .unwrap()
}

/// Sign a kind:24242 Blossom *read* auth event. Reads are authenticated
/// unconditionally, so round-trip GETs must present one of these.
fn sign_blossom_get_auth(keys: &Keys, sha256: &str) -> nostr::Event {
    let now = Timestamp::now().as_secs();
    let tags = vec![
        Tag::parse(["t", "get"]).unwrap(),
        Tag::parse(["x", sha256]).unwrap(),
        Tag::parse(["expiration", &(now + 300).to_string()]).unwrap(),
    ];
    EventBuilder::new(Kind::from(24242), "Get test")
        .tags(tags)
        .sign_with_keys(keys)
        .unwrap()
}

fn blossom_auth_header(event: &nostr::Event) -> String {
    format!(
        "Nostr {}",
        URL_SAFE_NO_PAD.encode(event.as_json().as_bytes())
    )
}

async fn upload(client: &Client, keys: &Keys, body: &[u8]) -> reqwest::Response {
    upload_to_path(client, keys, "/upload", body).await
}

async fn upload_to_path(
    client: &Client,
    keys: &Keys,
    path: &str,
    body: &[u8],
) -> reqwest::Response {
    let sha256 = hex::encode(Sha256::digest(body));
    let auth = sign_blossom_auth(keys, &sha256);
    client
        .put(format!("{}{path}", relay_http_url()))
        .header("Authorization", blossom_auth_header(&auth))
        .header("X-SHA-256", &sha256)
        .body(body.to_vec())
        .send()
        .await
        .expect("upload request")
}

fn tiny_jpeg() -> Vec<u8> {
    vec![
        0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10, 0x4A, 0x46, 0x49, 0x46, 0x00, 0x01, 0x01, 0x00, 0x00,
        0x01, 0x00, 0x01, 0x00, 0x00, 0xFF, 0xDB, 0x00, 0x43, 0x00, 0x08, 0x06, 0x06, 0x07, 0x06,
        0x05, 0x08, 0x07, 0x07, 0x07, 0x09, 0x09, 0x08, 0x0A, 0x0C, 0x14, 0x0D, 0x0C, 0x0B, 0x0B,
        0x0C, 0x19, 0x12, 0x13, 0x0F, 0x14, 0x1D, 0x1A, 0x1F, 0x1E, 0x1D, 0x1A, 0x1C, 0x1C, 0x20,
        0x24, 0x2E, 0x27, 0x20, 0x22, 0x2C, 0x23, 0x1C, 0x1C, 0x28, 0x37, 0x29, 0x2C, 0x30, 0x31,
        0x34, 0x34, 0x34, 0x1F, 0x27, 0x39, 0x3D, 0x38, 0x32, 0x3C, 0x2E, 0x33, 0x34, 0x32, 0xFF,
        0xC0, 0x00, 0x0B, 0x08, 0x00, 0x01, 0x00, 0x01, 0x01, 0x01, 0x11, 0x00, 0xFF, 0xC4, 0x00,
        0x1F, 0x00, 0x00, 0x01, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B,
        0xFF, 0xC4, 0x00, 0xB5, 0x10, 0x00, 0x02, 0x01, 0x03, 0x03, 0x02, 0x04, 0x03, 0x05, 0x05,
        0x04, 0x04, 0x00, 0x00, 0x01, 0x7D, 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21,
        0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, 0x08,
        0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0A,
        0x16, 0x17, 0x18, 0x19, 0x1A, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, 0x35, 0x36, 0x37,
        0x38, 0x39, 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56,
        0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75,
        0x76, 0x77, 0x78, 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x92, 0x93,
        0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9,
        0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6,
        0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE1, 0xE2,
        0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
        0xF8, 0xF9, 0xFA, 0xFF, 0xDA, 0x00, 0x08, 0x01, 0x01, 0x00, 0x00, 0x3F, 0x00, 0x7B, 0x94,
        0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0xFF, 0xD9,
    ]
}

fn tiny_png() -> Vec<u8> {
    // Valid 2x2 red PNG generated by ffmpeg, with ffmpeg's pHYs chunk stripped:
    // `validate_png_metadata_free` rejects pHYs as an identity channel, so the
    // original fixture uploaded as 422 MetadataForbidden. IHDR/IDAT/IEND only.
    vec![
        0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44,
        0x52, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x08, 0x02, 0x00, 0x00, 0x00, 0xfd,
        0xd4, 0x9a, 0x73, 0x00, 0x00, 0x00, 0x10, 0x49, 0x44, 0x41, 0x54, 0x78, 0x9c, 0x63, 0xfc,
        0xc3, 0x00, 0x02, 0x2c, 0x60, 0x92, 0x01, 0x00, 0x0d, 0x04, 0x01, 0x02, 0xbf, 0x50, 0x15,
        0xb3, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82,
    ]
}

fn tiny_gif() -> Vec<u8> {
    vec![
        0x47, 0x49, 0x46, 0x38, 0x39, 0x61, // GIF89a
        0x01, 0x00, 0x01, 0x00, 0x80, 0x00, 0x00, // LSD 1x1
        0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, // GCT
        0x2C, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, // Image Descriptor
        0x02, 0x02, 0x4C, 0x01, 0x00, // Image Data
        0x3B, // Trailer
    ]
}

fn tiny_webp() -> Vec<u8> {
    // Valid 2x2 red lossy WebP generated by ffmpeg
    vec![
        0x52, 0x49, 0x46, 0x46, 0x3c, 0x00, 0x00, 0x00, 0x57, 0x45, 0x42, 0x50, 0x56, 0x50, 0x38,
        0x20, 0x30, 0x00, 0x00, 0x00, 0xd0, 0x01, 0x00, 0x9d, 0x01, 0x2a, 0x02, 0x00, 0x02, 0x00,
        0x02, 0x00, 0x34, 0x25, 0xa0, 0x02, 0x74, 0xba, 0x01, 0xf8, 0x00, 0x03, 0xb0, 0x00, 0xfe,
        0xf0, 0xe8, 0xf7, 0xff, 0x20, 0xb9, 0x61, 0x75, 0xc8, 0xd7, 0xff, 0x20, 0x3f, 0xe4, 0x07,
        0xfc, 0x80, 0xff, 0xf8, 0xf2, 0x00, 0x00, 0x00,
    ]
}

fn sign_custom_auth(keys: &Keys, kind: u16, content: &str, tags: Vec<Tag>) -> nostr::Event {
    EventBuilder::new(Kind::from(kind), content)
        .tags(tags)
        .sign_with_keys(keys)
        .unwrap()
}

async fn upload_with_auth(
    client: &Client,
    auth_event: &nostr::Event,
    sha256: &str,
    body: &[u8],
) -> reqwest::Response {
    client
        .put(format!("{}/upload", relay_http_url()))
        .header("Authorization", blossom_auth_header(auth_event))
        .header("X-SHA-256", sha256)
        .body(body.to_vec())
        .send()
        .await
        .expect("upload request")
}

#[tokio::test]
#[ignore]
async fn test_upload_png_roundtrip() {
    let client = http_client();
    let keys = Keys::generate();
    let png = tiny_png();
    let resp = upload(&client, &keys, &png).await;
    assert_eq!(resp.status(), 200, "PNG upload should succeed");
    let desc: serde_json::Value = resp.json().await.unwrap();
    assert_eq!(desc["type"].as_str().unwrap(), "image/png");
    assert!(desc["url"].as_str().unwrap().ends_with(".png"));
    println!("✅ PNG upload: {}", desc["url"]);

    // GET back — reads are authenticated, so scope a token to the uploaded hash.
    let sha256 = desc["sha256"].as_str().expect("descriptor sha256");
    let get = client
        .get(desc["url"].as_str().unwrap())
        .header(
            "Authorization",
            blossom_auth_header(&sign_blossom_get_auth(&keys, sha256)),
        )
        .send()
        .await
        .unwrap();
    assert_eq!(get.status(), 200);
    assert_eq!(get.bytes().await.unwrap().as_ref(), png.as_slice());
    println!("✅ PNG GET roundtrip verified");
}

#[tokio::test]
#[ignore]
async fn test_upload_gif_roundtrip() {
    let client = http_client();
    let keys = Keys::generate();
    let gif = tiny_gif();
    let resp = upload(&client, &keys, &gif).await;
    assert_eq!(resp.status(), 200, "GIF upload should succeed");
    let desc: serde_json::Value = resp.json().await.unwrap();
    assert_eq!(desc["type"].as_str().unwrap(), "image/gif");
    assert!(desc["url"].as_str().unwrap().ends_with(".gif"));
    println!("✅ GIF upload: {}", desc["url"]);

    let sha256 = desc["sha256"].as_str().expect("descriptor sha256");
    let get = client
        .get(desc["url"].as_str().unwrap())
        .header(
            "Authorization",
            blossom_auth_header(&sign_blossom_get_auth(&keys, sha256)),
        )
        .send()
        .await
        .unwrap();
    assert_eq!(get.status(), 200);
    assert_eq!(get.bytes().await.unwrap().as_ref(), gif.as_slice());
    println!("✅ GIF GET roundtrip verified");
}

#[tokio::test]
#[ignore]
async fn test_upload_webp_roundtrip() {
    let client = http_client();
    let keys = Keys::generate();
    let webp = tiny_webp();
    let resp = upload(&client, &keys, &webp).await;
    let status = resp.status();
    let body = resp.text().await.unwrap_or_default();
    println!("WebP upload → {status}: {body}");
    assert_eq!(status, 200, "WebP upload should succeed");
    let desc: serde_json::Value = serde_json::from_str(&body).unwrap();
    assert_eq!(desc["type"].as_str().unwrap(), "image/webp");
    assert!(desc["url"].as_str().unwrap().ends_with(".webp"));
    println!("✅ WebP upload: {}", desc["url"]);
}

#[tokio::test]
#[ignore]
async fn test_auth_wrong_kind() {
    let client = http_client();
    let keys = Keys::generate();
    let jpeg = tiny_jpeg();
    let sha256 = hex::encode(Sha256::digest(&jpeg));
    let now = Timestamp::now().as_secs();
    let auth = sign_custom_auth(
        &keys,
        27235,
        "Upload test",
        vec![
            Tag::parse(["t", "upload"]).unwrap(),
            Tag::parse(["x", &sha256]).unwrap(),
            Tag::parse(["expiration", &(now + 300).to_string()]).unwrap(),
        ],
    );
    let resp = upload_with_auth(&client, &auth, &sha256, &jpeg).await;
    assert_eq!(resp.status(), 401, "wrong kind must be 401");
    println!("✅ Wrong kind → 401");
}

#[tokio::test]
#[ignore]
async fn test_auth_missing_t_tag() {
    let client = http_client();
    let keys = Keys::generate();
    let jpeg = tiny_jpeg();
    let sha256 = hex::encode(Sha256::digest(&jpeg));
    let now = Timestamp::now().as_secs();
    let auth = sign_custom_auth(
        &keys,
        24242,
        "Upload test",
        vec![
            Tag::parse(["x", &sha256]).unwrap(),
            Tag::parse(["expiration", &(now + 300).to_string()]).unwrap(),
        ],
    );
    let resp = upload_with_auth(&client, &auth, &sha256, &jpeg).await;
    assert_eq!(resp.status(), 401, "missing t tag must be 401");
    println!("✅ Missing t tag → 401");
}

#[tokio::test]
#[ignore]
async fn test_auth_missing_expiration() {
    let client = http_client();
    let keys = Keys::generate();
    let jpeg = tiny_jpeg();
    let sha256 = hex::encode(Sha256::digest(&jpeg));
    let auth = sign_custom_auth(
        &keys,
        24242,
        "Upload test",
        vec![
            Tag::parse(["t", "upload"]).unwrap(),
            Tag::parse(["x", &sha256]).unwrap(),
        ],
    );
    let resp = upload_with_auth(&client, &auth, &sha256, &jpeg).await;
    assert_eq!(resp.status(), 401, "missing expiration must be 401");
    println!("✅ Missing expiration → 401");
}

#[tokio::test]
#[ignore]
async fn test_auth_expired_token() {
    let client = http_client();
    let keys = Keys::generate();
    let jpeg = tiny_jpeg();
    let sha256 = hex::encode(Sha256::digest(&jpeg));
    let now = Timestamp::now().as_secs();
    let auth = sign_custom_auth(
        &keys,
        24242,
        "Upload test",
        vec![
            Tag::parse(["t", "upload"]).unwrap(),
            Tag::parse(["x", &sha256]).unwrap(),
            Tag::parse(["expiration", &(now - 60).to_string()]).unwrap(),
        ],
    );
    let resp = upload_with_auth(&client, &auth, &sha256, &jpeg).await;
    assert_eq!(resp.status(), 401, "expired token must be 401");
    println!("✅ Expired token → 401");
}

#[tokio::test]
#[ignore]
async fn test_auth_empty_content() {
    let client = http_client();
    let keys = Keys::generate();
    let jpeg = tiny_jpeg();
    let sha256 = hex::encode(Sha256::digest(&jpeg));
    let now = Timestamp::now().as_secs();
    let auth = sign_custom_auth(
        &keys,
        24242,
        "",
        vec![
            Tag::parse(["t", "upload"]).unwrap(),
            Tag::parse(["x", &sha256]).unwrap(),
            Tag::parse(["expiration", &(now + 300).to_string()]).unwrap(),
        ],
    );
    let resp = upload_with_auth(&client, &auth, &sha256, &jpeg).await;
    assert_eq!(resp.status(), 401, "empty content must be 401");
    println!("✅ Empty content → 401");
}

#[tokio::test]
#[ignore]
async fn test_auth_server_tag_mismatch() {
    let client = http_client();
    let keys = Keys::generate();
    let jpeg = tiny_jpeg();
    let sha256 = hex::encode(Sha256::digest(&jpeg));
    let now = Timestamp::now().as_secs();
    let auth = sign_custom_auth(
        &keys,
        24242,
        "Upload test",
        vec![
            Tag::parse(["t", "upload"]).unwrap(),
            Tag::parse(["x", &sha256]).unwrap(),
            Tag::parse(["expiration", &(now + 300).to_string()]).unwrap(),
            Tag::parse(["server", "evil.example.com"]).unwrap(),
        ],
    );
    let resp = upload_with_auth(&client, &auth, &sha256, &jpeg).await;
    assert_eq!(resp.status(), 401, "server tag mismatch must be 401");
    println!("✅ Server tag mismatch → 401");
}

#[tokio::test]
#[ignore]
async fn test_auth_server_tag_correct() {
    let client = http_client();
    let keys = Keys::generate();
    let jpeg = tiny_jpeg();
    let sha256 = hex::encode(Sha256::digest(&jpeg));
    let now = Timestamp::now().as_secs();
    let auth = sign_custom_auth(
        &keys,
        24242,
        "Upload test",
        vec![
            Tag::parse(["t", "upload"]).unwrap(),
            Tag::parse(["x", &sha256]).unwrap(),
            Tag::parse(["expiration", &(now + 300).to_string()]).unwrap(),
            Tag::parse(["server", "localhost:3000"]).unwrap(),
        ],
    );
    let resp = upload_with_auth(&client, &auth, &sha256, &jpeg).await;
    assert_eq!(resp.status(), 200, "correct server tag must be 200");
    println!("✅ Correct server tag → 200");
}

#[tokio::test]
#[ignore]
async fn test_upload_svg_accepted_as_text_xml() {
    // SVG with XML declaration is detected by `infer` as text/xml (not image/svg+xml),
    // which is not in the blocked list, so it routes through the generic file path.
    let client = http_client();
    let keys = Keys::generate();
    let svg = b"<?xml version=\"1.0\"?><svg xmlns=\"http://www.w3.org/2000/svg\"></svg>";
    let resp = upload(&client, &keys, svg).await;
    let status = resp.status().as_u16();
    assert_eq!(
        status, 200,
        "SVG (undetected) should succeed via file path, got {status}"
    );
    let desc: serde_json::Value = resp.json().await.unwrap();
    assert_eq!(desc["type"].as_str().unwrap(), "text/xml");
    println!("✅ SVG (XML declaration) → 200 as text/xml");
}

#[tokio::test]
#[ignore]
async fn test_upload_pdf_accepted() {
    // PDF is detected by `infer` and is not in the blocked list, so it
    // routes through the generic file path successfully.
    let client = http_client();
    let keys = Keys::generate();
    let pdf = b"%PDF-1.4 fake pdf content here for testing";
    let resp = upload(&client, &keys, pdf).await;
    let status = resp.status().as_u16();
    assert_eq!(
        status, 200,
        "PDF should succeed via file path, got {status}"
    );
    let desc: serde_json::Value = resp.json().await.unwrap();
    assert_eq!(desc["type"].as_str().unwrap(), "application/pdf");
    println!("✅ PDF → 200");
}

#[tokio::test]
#[ignore]
async fn test_legacy_media_route_rejects_non_media() {
    let client = http_client();
    let keys = Keys::generate();
    let pdf = b"%PDF-1.4 fake pdf content here for testing";
    let resp = upload_to_path(&client, &keys, "/media/upload", pdf).await;
    assert_eq!(
        resp.status(),
        reqwest::StatusCode::UNSUPPORTED_MEDIA_TYPE,
        "legacy media route must not accept generic attachments"
    );
}

#[tokio::test]
#[ignore]
async fn test_legacy_media_route_still_accepts_canonical_media() {
    let client = http_client();
    let keys = Keys::generate();
    let resp = upload_to_path(&client, &keys, "/media/upload", &tiny_jpeg()).await;
    assert_eq!(resp.status(), reqwest::StatusCode::OK);
}

#[tokio::test]
#[ignore]
async fn test_standard_upload_rejects_recognized_audio() {
    let client = http_client();
    let keys = Keys::generate();
    let mp3 = b"ID3\x04\x00\x00\x00\x00\x00\x00";
    let resp = upload(&client, &keys, mp3).await;
    assert_eq!(
        resp.status(),
        reqwest::StatusCode::UNSUPPORTED_MEDIA_TYPE,
        "recognized audio must not bypass the location policy as an attachment"
    );
}

#[tokio::test]
#[ignore]
async fn test_upload_zero_bytes_accepted() {
    // Empty body has no magic bytes — routes through the generic file path
    // as application/octet-stream.
    let client = http_client();
    let keys = Keys::generate();
    let resp = upload(&client, &keys, b"").await;
    let status = resp.status().as_u16();
    assert_eq!(
        status, 200,
        "zero bytes should succeed via file path, got {status}"
    );
    let desc: serde_json::Value = resp.json().await.unwrap();
    assert_eq!(desc["type"].as_str().unwrap(), "application/octet-stream");
    assert_eq!(desc["size"].as_u64().unwrap(), 0);
    println!("✅ Zero bytes → 200 as octet-stream");
}

#[tokio::test]
#[ignore]
async fn test_upload_random_bytes_accepted() {
    // Random bytes with no magic signature route through the generic file
    // path as application/octet-stream.
    let client = http_client();
    let keys = Keys::generate();
    let random: Vec<u8> = (0..1000).map(|i| (i * 37 % 256) as u8).collect();
    let resp = upload(&client, &keys, &random).await;
    let status = resp.status().as_u16();
    assert_eq!(
        status, 200,
        "random bytes should succeed via file path, got {status}"
    );
    let desc: serde_json::Value = resp.json().await.unwrap();
    assert_eq!(desc["type"].as_str().unwrap(), "application/octet-stream");
    println!("✅ Random bytes → 200 as octet-stream");
}

#[tokio::test]
#[ignore]
async fn test_concurrent_upload_same_file() {
    let client = http_client();
    let jpeg = tiny_jpeg();
    let keys1 = Keys::generate();
    let keys2 = Keys::generate();

    let c1 = client.clone();
    let c2 = client.clone();
    let j1 = jpeg.clone();
    let j2 = jpeg.clone();

    let (r1, r2) = tokio::join!(async { upload(&c1, &keys1, &j1).await }, async {
        upload(&c2, &keys2, &j2).await
    },);

    assert_eq!(r1.status(), 200, "concurrent upload 1 must succeed");
    assert_eq!(r2.status(), 200, "concurrent upload 2 must succeed");

    let d1: serde_json::Value = r1.json().await.unwrap();
    let d2: serde_json::Value = r2.json().await.unwrap();
    assert_eq!(d1["sha256"], d2["sha256"], "same content = same hash");
    assert_eq!(d1["url"], d2["url"], "same content = same URL");
    println!("✅ Concurrent upload: both succeeded, same sha256/url");
}

#[tokio::test]
#[ignore]
async fn test_ws_valid_imeta() {
    use buzz_test_client::BuzzTestClient;

    let keys = Keys::generate();
    let pubkey_hex = keys.public_key().to_hex();
    let http = http_client();

    // Create channel via signed kind:9007 event
    let channel_uuid = uuid::Uuid::new_v4();
    let channel_name = format!("ws-imeta-test-{}", channel_uuid);
    let create_event = EventBuilder::new(Kind::from(9007), "")
        .tags(vec![
            Tag::parse(["h", &channel_uuid.to_string()]).unwrap(),
            Tag::parse(["name", &channel_name]).unwrap(),
            Tag::parse(["channel_type", "stream"]).unwrap(),
            Tag::parse(["visibility", "open"]).unwrap(),
        ])
        .sign_with_keys(&keys)
        .unwrap();
    let create_resp = http
        .post(format!("{}/events", relay_http_url()))
        .header("X-Pubkey", &pubkey_hex)
        .header("Content-Type", "application/json")
        .body(serde_json::to_string(&create_event).unwrap())
        .send()
        .await
        .unwrap();
    assert!(create_resp.status().is_success(), "channel creation failed");
    let channel_id = channel_uuid.to_string();
    println!("Channel: {channel_id}");

    // Upload a JPEG to get a valid sha256
    let jpeg = tiny_jpeg();
    let sha256 = hex::encode(Sha256::digest(&jpeg));
    let resp = upload(&http, &keys, &jpeg).await;
    assert_eq!(resp.status(), 200);

    // Connect via WebSocket
    let mut client = BuzzTestClient::connect(&relay_ws_url(), &keys)
        .await
        .unwrap();

    // Send event with valid imeta
    let event = EventBuilder::new(Kind::from(9), "image via ws")
        .tags(vec![
            Tag::parse(["h", &channel_id]).unwrap(),
            Tag::parse([
                "imeta",
                &format!("url http://localhost:3000/media/{sha256}.jpg"),
                "m image/jpeg",
                &format!("x {sha256}"),
                "size 347",
            ])
            .unwrap(),
        ])
        .sign_with_keys(&keys)
        .unwrap();

    let ok = client.send_event(event).await.unwrap();
    assert!(
        ok.accepted,
        "valid imeta via WS must be accepted: {:?}",
        ok.message
    );
    println!("✅ WS valid imeta accepted");

    client.disconnect().await.unwrap();
}

#[tokio::test]
#[ignore]
async fn test_ws_invalid_imeta_external_url() {
    use buzz_test_client::BuzzTestClient;

    let keys = Keys::generate();
    let pubkey_hex = keys.public_key().to_hex();
    let http = http_client();

    let channel_uuid = uuid::Uuid::new_v4();
    let channel_name = format!("ws-imeta-bad-{}", channel_uuid);
    let create_event = EventBuilder::new(Kind::from(9007), "")
        .tags(vec![
            Tag::parse(["h", &channel_uuid.to_string()]).unwrap(),
            Tag::parse(["name", &channel_name]).unwrap(),
            Tag::parse(["channel_type", "stream"]).unwrap(),
            Tag::parse(["visibility", "open"]).unwrap(),
        ])
        .sign_with_keys(&keys)
        .unwrap();
    let create_resp = http
        .post(format!("{}/events", relay_http_url()))
        .header("X-Pubkey", &pubkey_hex)
        .header("Content-Type", "application/json")
        .body(serde_json::to_string(&create_event).unwrap())
        .send()
        .await
        .unwrap();
    assert!(create_resp.status().is_success(), "channel creation failed");
    let channel_id = channel_uuid.to_string();

    let sha = "a".repeat(64);
    let mut client = BuzzTestClient::connect(&relay_ws_url(), &keys)
        .await
        .unwrap();

    let event = EventBuilder::new(Kind::from(9), "bad imeta")
        .tags(vec![
            Tag::parse(["h", &channel_id]).unwrap(),
            Tag::parse([
                "imeta",
                &format!("url https://evil.com/media/{sha}.jpg"),
                "m image/jpeg",
                &format!("x {sha}"),
                "size 347",
            ])
            .unwrap(),
        ])
        .sign_with_keys(&keys)
        .unwrap();

    let ok = client.send_event(event).await.unwrap();
    assert!(!ok.accepted, "external URL imeta via WS must be rejected");
    assert!(
        ok.message.contains("invalid"),
        "rejection message must contain 'invalid': {:?}",
        ok.message
    );
    println!(
        "✅ WS invalid imeta (external URL) rejected: {:?}",
        ok.message
    );

    client.disconnect().await.unwrap();
}

#[tokio::test]
#[ignore]
async fn test_ws_invalid_imeta_missing_fields() {
    use buzz_test_client::BuzzTestClient;

    let keys = Keys::generate();
    let pubkey_hex = keys.public_key().to_hex();
    let http = http_client();

    let channel_uuid = uuid::Uuid::new_v4();
    let channel_name = format!("ws-imeta-miss-{}", channel_uuid);
    let create_event = EventBuilder::new(Kind::from(9007), "")
        .tags(vec![
            Tag::parse(["h", &channel_uuid.to_string()]).unwrap(),
            Tag::parse(["name", &channel_name]).unwrap(),
            Tag::parse(["channel_type", "stream"]).unwrap(),
            Tag::parse(["visibility", "open"]).unwrap(),
        ])
        .sign_with_keys(&keys)
        .unwrap();
    let create_resp = http
        .post(format!("{}/events", relay_http_url()))
        .header("X-Pubkey", &pubkey_hex)
        .header("Content-Type", "application/json")
        .body(serde_json::to_string(&create_event).unwrap())
        .send()
        .await
        .unwrap();
    assert!(create_resp.status().is_success(), "channel creation failed");
    let channel_id = channel_uuid.to_string();

    let sha = "b".repeat(64);
    let mut client = BuzzTestClient::connect(&relay_ws_url(), &keys)
        .await
        .unwrap();

    // Only url, missing m/x/size
    let event = EventBuilder::new(Kind::from(9), "incomplete imeta")
        .tags(vec![
            Tag::parse(["h", &channel_id]).unwrap(),
            Tag::parse([
                "imeta",
                &format!("url http://localhost:3000/media/{sha}.jpg"),
            ])
            .unwrap(),
        ])
        .sign_with_keys(&keys)
        .unwrap();

    let ok = client.send_event(event).await.unwrap();
    assert!(!ok.accepted, "incomplete imeta via WS must be rejected");
    println!("✅ WS incomplete imeta rejected: {:?}", ok.message);

    client.disconnect().await.unwrap();
}