use std::time::Duration;

use anyhow::Result;
use app_test_support::McpProcess;
use app_test_support::to_response;
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 pretty_assertions::assert_eq;
use tempfile::TempDir;
use tokio::time::timeout;

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(),
    };

    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(())
}

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(())
}