import { CreateSessionRequest, SendMessageRequest } from './claude-code-api';
// Type guard for CreateSessionRequest
export function isCreateSessionRequest(body: unknown): body is CreateSessionRequest {
if (typeof body !== 'object' || body === null) {
return false;
}
const obj = body as Record<string, unknown>;
// All fields are optional, but if present must be correct type
if ('model' in obj && typeof obj.model !== 'string') {
return false;
}
if ('claudeCodeModel' in obj && typeof obj.claudeCodeModel !== 'string') {
return false;
}
if ('cwd' in obj && typeof obj.cwd !== 'string') {
return false;
}
if ('permissionMode' in obj) {
const validModes = ['default', 'acceptEdits', 'bypassPermissions', 'plan'];
if (typeof obj.permissionMode !== 'string' || !validModes.includes(obj.permissionMode)) {
return false;
}
}
if ('maxTurns' in obj && (typeof obj.maxTurns !== 'number' || obj.maxTurns < 0)) {
return false;
}
if ('maxMessages' in obj && (typeof obj.maxMessages !== 'number' || obj.maxMessages < 0)) {
return false;
}
if ('includeSystemMessages' in obj && typeof obj.includeSystemMessages !== 'boolean') {
return false;
}
return true;
}
// Type guard for SendMessageRequest
export function isSendMessageRequest(body: unknown): body is SendMessageRequest {
if (typeof body !== 'object' || body === null) {
return false;
}
const obj = body as Record<string, unknown>;
// prompt is required
if (!('prompt' in obj) || typeof obj.prompt !== 'string') {
return false;
}
// timeout is optional but must be number if present
if ('timeout' in obj && typeof obj.timeout !== 'number') {
return false;
}
return true;
}
// Helper to get validation error message
export function getValidationError(body: unknown, type: 'CreateSessionRequest' | 'SendMessageRequest'): string {
if (typeof body !== 'object' || body === null) {
return 'Request body must be an object';
}
if (type === 'SendMessageRequest') {
const obj = body as Record<string, unknown>;
if (!('prompt' in obj)) {
return 'Missing required field: prompt';
}
if (typeof obj.prompt !== 'string') {
return 'Field "prompt" must be a string';
}
}
if (type === 'CreateSessionRequest') {
const obj = body as Record<string, unknown>;
if ('permissionMode' in obj) {
const validModes = ['default', 'acceptEdits', 'bypassPermissions', 'plan'];
if (!validModes.includes(obj.permissionMode as string)) {
return `Invalid permissionMode. Must be one of: ${validModes.join(', ')}`;
}
}
}
return 'Invalid request body format';
}
