use std::time::Duration;

use anyhow::Result;
use app_test_support::ChatGptAuthFixture;
use app_test_support::DEFAULT_CLIENT_NAME;
use app_test_support::McpProcess;
use app_test_support::start_analytics_events_server;
use app_test_support::to_response;
use app_test_support::write_chatgpt_auth;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::PluginUninstallParams;
use codex_app_server_protocol::PluginUninstallResponse;
use codex_app_server_protocol::RequestId;
use codex_core::auth::AuthCredentialsStoreMode;
use pretty_assertions::assert_eq;
use serde_json::json;
use tempfile::TempDir;
use tokio::time::timeout;
use wiremock::Mock;
use wiremock::MockServer;
use wiremock::ResponseTemplate;
use wiremock::matchers::header;
use wiremock::matchers::method;
use wiremock::matchers::path;

const DEFAULT_TIMEOUT: Duration = Duration::from_secs(10);

#[tokio::test]
async fn plugin_uninstall_removes_plugin_cache_and_config_entry() -> Result<()> {
    let codex_home = TempDir::new()?;
    write_installed_plugin(&codex_home, "debug", "sample-plugin")?;
    std::fs::write(
        codex_home.path().join("config.toml"),
        r#"[features]
plugins = true

[plugins."sample-plugin@debug"]
enabled = true
"#,
    )?;

    let mut mcp = McpProcess::new(codex_home.path()).await?;
    timeout(DEFAULT_TIMEOUT, mcp.initialize()).await??;

    let params = PluginUninstallParams {
        plugin_id: "sample-plugin@debug".to_string(),
        force_remote_sync: false,
    };

    let request_id = mcp.send_plugin_uninstall_request(params.clone()).await?;
    let response: JSONRPCResponse = timeout(
        DEFAULT_TIMEOUT,
        mcp.read_stream_until_response_message(RequestId::Integer(request_id)),
    )
    .await??;
    let response: PluginUninstallResponse = to_response(response)?;
    assert_eq!(response, PluginUninstallResponse {});

    assert!(
        !codex_home
            .path()
            .join("plugins/cache/debug/sample-plugin")
            .exists()
    );
    let config = std::fs::read_to_string(codex_home.path().join("config.toml"))?;
    assert!(!config.contains(r#"[plugins."sample-plugin@debug"]"#));

    let request_id = mcp.send_plugin_uninstall_request(params).await?;
    let response: JSONRPCResponse = timeout(
        DEFAULT_TIMEOUT,
        mcp.read_stream_until_response_message(RequestId::Integer(request_id)),
    )
    .await??;
    let response: PluginUninstallResponse = to_response(response)?;
    assert_eq!(response, PluginUninstallResponse {});

    Ok(())
}

#[tokio::test]
async fn plugin_uninstall_force_remote_sync_calls_remote_uninstall_first() -> Result<()> {
    let server = MockServer::start().await;
    let codex_home = TempDir::new()?;
    write_installed_plugin(&codex_home, "debug", "sample-plugin")?;
    std::fs::write(
        codex_home.path().join("config.toml"),
        format!(
            r#"chatgpt_base_url = "{}/backend-api/"

[features]
plugins = true

[plugins."sample-plugin@debug"]
enabled = true
"#,
            server.uri()
        ),
    )?;
    write_chatgpt_auth(
        codex_home.path(),
        ChatGptAuthFixture::new("chatgpt-token")
            .account_id("account-123")
            .chatgpt_user_id("user-123")
            .chatgpt_account_id("account-123"),
        AuthCredentialsStoreMode::File,
    )?;

    Mock::given(method("POST"))
        .and(path("/backend-api/plugins/sample-plugin@debug/uninstall"))
        .and(header("authorization", "Bearer chatgpt-token"))
        .and(header("chatgpt-account-id", "account-123"))
        .respond_with(
            ResponseTemplate::new(200)
                .set_body_string(r#"{"id":"sample-plugin@debug","enabled":false}"#),
        )
        .expect(1)
        .mount(&server)
        .await;

    let mut mcp = McpProcess::new(codex_home.path()).await?;
    timeout(DEFAULT_TIMEOUT, mcp.initialize()).await??;

    let request_id = mcp
        .send_plugin_uninstall_request(PluginUninstallParams {
            plugin_id: "sample-plugin@debug".to_string(),
            force_remote_sync: true,
        })
        .await?;
    let response: JSONRPCResponse = timeout(
        DEFAULT_TIMEOUT,
        mcp.read_stream_until_response_message(RequestId::Integer(request_id)),
    )
    .await??;
    let response: PluginUninstallResponse = to_response(response)?;
    assert_eq!(response, PluginUninstallResponse {});

    assert!(
        !codex_home
            .path()
            .join("plugins/cache/debug/sample-plugin")
            .exists()
    );
    let config = std::fs::read_to_string(codex_home.path().join("config.toml"))?;
    assert!(!config.contains(r#"[plugins."sample-plugin@debug"]"#));
    Ok(())
}

#[tokio::test]
async fn plugin_uninstall_tracks_analytics_event() -> Result<()> {
    let analytics_server = start_analytics_events_server().await?;
    let codex_home = TempDir::new()?;
    write_installed_plugin(&codex_home, "debug", "sample-plugin")?;
    std::fs::write(
        codex_home.path().join("config.toml"),
        format!(
            "chatgpt_base_url = \"{}\"\n\n[features]\nplugins = true\n\n[plugins.\"sample-plugin@debug\"]\nenabled = true\n",
            analytics_server.uri()
        ),
    )?;
    write_chatgpt_auth(
        codex_home.path(),
        ChatGptAuthFixture::new("chatgpt-token")
            .account_id("account-123")
            .chatgpt_user_id("user-123")
            .chatgpt_account_id("account-123"),
        AuthCredentialsStoreMode::File,
    )?;

    let mut mcp = McpProcess::new(codex_home.path()).await?;
    timeout(DEFAULT_TIMEOUT, mcp.initialize()).await??;

    let request_id = mcp
        .send_plugin_uninstall_request(PluginUninstallParams {
            plugin_id: "sample-plugin@debug".to_string(),
            force_remote_sync: false,
        })
        .await?;
    let response: JSONRPCResponse = timeout(
        DEFAULT_TIMEOUT,
        mcp.read_stream_until_response_message(RequestId::Integer(request_id)),
    )
    .await??;
    let response: PluginUninstallResponse = to_response(response)?;
    assert_eq!(response, PluginUninstallResponse {});

    let payload = timeout(DEFAULT_TIMEOUT, async {
        loop {
            let Some(requests) = analytics_server.received_requests().await else {
                tokio::time::sleep(Duration::from_millis(25)).await;
                continue;
            };
            if let Some(request) = requests.iter().find(|request| {
                request.method == "POST" && request.url.path() == "/codex/analytics-events/events"
            }) {
                break request.body.clone();
            }
            tokio::time::sleep(Duration::from_millis(25)).await;
        }
    })
    .await?;
    let payload: serde_json::Value = serde_json::from_slice(&payload).expect("analytics payload");
    assert_eq!(
        payload,
        json!({
            "events": [{
                "event_type": "codex_plugin_uninstalled",
                "event_params": {
                    "plugin_id": "sample-plugin@debug",
                    "plugin_name": "sample-plugin",
                    "marketplace_name": "debug",
                    "has_skills": false,
                    "mcp_server_count": 0,
                    "connector_ids": [],
                    "product_client_id": DEFAULT_CLIENT_NAME,
                }
            }]
        })
    );
    Ok(())
}

fn write_installed_plugin(
    codex_home: &TempDir,
    marketplace_name: &str,
    plugin_name: &str,
) -> Result<()> {
    let plugin_root = codex_home
        .path()
        .join("plugins/cache")
        .join(marketplace_name)
        .join(plugin_name)
        .join("local/.codex-plugin");
    std::fs::create_dir_all(&plugin_root)?;
    std::fs::write(
        plugin_root.join("plugin.json"),
        format!(r#"{{"name":"{plugin_name}"}}"#),
    )?;
    Ok(())
}
