import type { WorkspaceTerminalLine } from "./sf-workspace-store";
import { getUserMode } from "./use-user-mode";

export type SFViewName =
	| "dashboard"
	| "power"
	| "chat"
	| "roadmap"
	| "files"
	| "activity"
	| "visualize";

export function navigateToSFView(view: SFViewName): void {
	if (typeof window === "undefined") return;
	window.dispatchEvent(
		new CustomEvent("sf:navigate-view", { detail: { view } }),
	);
}

/**
 * Dispatch a workflow action command through the session command pipeline
 * and navigate to the Power User Mode view.
 *
 * `dispatch` should be a function that sends the command through the workspace
 * store (e.g. `sendCommand(buildPromptCommand(command, bridge))`), so the
 * command is processed by the agent session — not just injected as raw PTY
 * keystrokes.
 */
export function executeWorkflowActionInPowerMode({
	dispatch,
}: {
	dispatch: () => Promise<unknown>;
}): void {
	dispatch().catch((error) => {
		console.error("[workflow-action] dispatch failed:", error);
	});
	const mode = getUserMode();
	navigateToSFView(mode === "vibe-coder" ? "chat" : "power");
}

export function derivePendingWorkflowCommandLabel({
	commandInFlight,
	terminalLines,
}: {
	commandInFlight: string | null;
	terminalLines: WorkspaceTerminalLine[];
}): string | null {
	if (!commandInFlight) return null;

	for (let index = terminalLines.length - 1; index >= 0; index -= 1) {
		const line = terminalLines[index];
		if (line.type !== "input") continue;
		const text = line.content.trim();
		if (text) return text;
	}

	if (commandInFlight === "prompt") return "Sending command";
	return `/${commandInFlight}`;
}