Implement Copilot sign in and sign out

crates/copilot/src/request.rs

@@ -8,15 +8,82 @@ pub struct CheckStatusParams {
     pub local_checks_only: bool,
 }
 
-#[derive(Debug, Serialize, Deserialize)]
-#[serde(rename_all = "camelCase")]
-pub struct CheckStatusResult {
-    pub status: String,
-    pub user: Option<String>,
-}
-
 impl lsp::request::Request for CheckStatus {
     type Params = CheckStatusParams;
-    type Result = CheckStatusResult;
+    type Result = SignInStatus;
     const METHOD: &'static str = "checkStatus";
 }
+
+pub enum SignInInitiate {}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct SignInInitiateParams {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(tag = "status")]
+pub enum SignInInitiateResult {
+    AlreadySignedIn { user: String },
+    PromptUserDeviceFlow(PromptUserDeviceFlow),
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct PromptUserDeviceFlow {
+    pub user_code: String,
+    pub verification_uri: String,
+}
+
+impl lsp::request::Request for SignInInitiate {
+    type Params = SignInInitiateParams;
+    type Result = SignInInitiateResult;
+    const METHOD: &'static str = "signInInitiate";
+}
+
+pub enum SignInConfirm {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SignInConfirmParams {
+    pub user_code: String,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(tag = "status")]
+pub enum SignInStatus {
+    #[serde(rename = "OK")]
+    Ok {
+        user: String,
+    },
+    MaybeOk {
+        user: String,
+    },
+    AlreadySignedIn {
+        user: String,
+    },
+    NotAuthorized {
+        user: String,
+    },
+    NotSignedIn,
+}
+
+impl lsp::request::Request for SignInConfirm {
+    type Params = SignInConfirmParams;
+    type Result = SignInStatus;
+    const METHOD: &'static str = "signInConfirm";
+}
+
+pub enum SignOut {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SignOutParams {}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SignOutResult {}
+
+impl lsp::request::Request for SignOut {
+    type Params = SignOutParams;
+    type Result = SignOutResult;
+    const METHOD: &'static str = "signOut";
+}