/**
 * Shared Giellie types (server + client). Message blocks follow the
 * Anthropic content-block shape but are kept loose (`Block`) because
 * MiniMax also returns `thinking` blocks that must round-trip untouched.
 */
export type Block = { type: string; [key: string]: unknown };

/** Synthetic tool_result text when a tool_use has no recorded result. */
export const RESULT_UNAVAILABLE_TEXT =
  "Result unavailable — this action may or may not have executed. Verify the current state (read the record) before retrying.";

export interface StoredMessage {
  role: "user" | "assistant";
  content: Block[];
  ts: string;
}

export interface PendingToolUse {
  id: string;
  /** Dotted MCP name, e.g. `orders.update`. */
  name: string;
  input: Record<string, unknown>;
  /** Sends, cancels/merges and contact-detail changes — the trust toggle never auto-approves these. */
  confirmAlways: boolean;
  /** Why this always asks (badge text). Absent on rows saved before it existed. */
  confirmReason?: string;
}

export interface PendingAction {
  tool_uses: PendingToolUse[];
  /** tool_result blocks already produced this turn (read tools). */
  completed: Block[];
  /** Every tool_use id of the assistant turn, in original order. */
  order: string[];
}

/**
 * Identifies which pending approval a decision is for. Client and server
 * compare it so a stale tab cannot approve a newer, different request.
 */
export function pendingFingerprint(p: PendingAction): string {
  return p.order.join(",");
}

export interface GielieChatSummary {
  id: string;
  title: string;
  updated: string;
}

export interface GielieChat extends GielieChatSummary {
  messages: StoredMessage[];
  pending_action: PendingAction | null;
  attachments: string[];
}