/**
 * Theme utilities for consistent UI styling across dark/light themes
 */
import type { Theme } from "@mariozechner/pi-coding-agent";

/**
 * Status icons that work across themes
 */
export function getStatusIcon(
	theme: Theme,
	status: "enabled" | "disabled" | "loading" | "success" | "error" | "warning",
): string {
	switch (status) {
		case "enabled":
			return theme.fg("success", "●");
		case "disabled":
			return theme.fg("muted", "○");
		case "loading":
			return theme.fg("accent", "◌");
		case "success":
			return theme.fg("success", "✓");
		case "error":
			return theme.fg("error", "✗");
		case "warning":
			return theme.fg("warning", "⚠");
	}
}

/**
 * Package type icons using ASCII/Unicode that work in all terminals
 */
export function getPackageIcon(theme: Theme, type: "npm" | "git" | "local" | "remote"): string {
	switch (type) {
		case "npm":
			return theme.fg("accent", "◆"); // Diamond for npm
		case "git":
			return theme.fg("warning", "◇"); // Outline diamond for git
		case "local":
			return theme.fg("dim", "▪"); // Small square for local
		case "remote":
			return theme.fg("accent", "▸"); // Arrow for remote
	}
}

/**
 * Scope indicators (Global vs Project)
 */
export function getScopeIcon(theme: Theme, scope: "global" | "project", options?: { dimGlobal?: boolean }): string {
	const { dimGlobal = true } = options ?? {};
	if (scope === "global") {
		return dimGlobal ? theme.fg("muted", "G") : theme.fg("dim", "G");
	}
	return theme.fg("accent", "P");
}

/**
 * Format extension state change indicator
 */
export function getChangeMarker(theme: Theme, hasChanges: boolean): string {
	if (!hasChanges) return "";
	return ` ${theme.fg("warning", "*")}`;
}

/**
 * Create a spinner character for loading states
 */
export function getSpinner(theme: Theme, frame: number): string {
	const frames = ["◐", "◓", "◑", "◒"];
	return theme.fg("accent", frames[frame % frames.length] ?? "◐");
}

/**
 * Format a size string with appropriate color
 */
export function formatSize(theme: Theme, sizeBytes: number): string {
	if (sizeBytes < 1024) {
		return theme.fg("dim", `${sizeBytes}B`);
	} else if (sizeBytes < 1024 * 1024) {
		return theme.fg("dim", `${(sizeBytes / 1024).toFixed(1)}KB`);
	} else {
		return theme.fg("warning", `${(sizeBytes / (1024 * 1024)).toFixed(1)}MB`);
	}
}