import { Platform } from "react-native";

export const colors = {
  background: "#0a0a0a",
  surface: "#171717",
  surfaceDeep: "#101010",
  border: "#262626",
  borderSubtle: "#1c1c1c",
  text: "#f5f5f5",
  textSecondary: "#a3a3a3",
  textMuted: "#737373",
  accent: "#93c5fd",
  success: "#4ade80",
  warning: "#fbbf24",
  error: "#f87171",
  errorMuted: "#fca5a5",
  errorBorder: "#7f1d1d",
  userBubbleBg: "#f5f5f5",
  userBubbleText: "#0a0a0a",
  senderUser: "#4ade80",
  senderAgent: "#93c5fd",
  railUser: "rgba(74, 222, 128, 0.35)",
  railAgent: "rgba(147, 197, 253, 0.25)",
} as const;

export const monoFont = Platform.select({
  ios: "Menlo",
  default: "monospace",
});

export const projectTints = [
  { bg: "rgba(147, 197, 253, 0.14)", fg: "#93c5fd" },
  { bg: "rgba(74, 222, 128, 0.14)", fg: "#4ade80" },
  { bg: "rgba(251, 191, 36, 0.14)", fg: "#fbbf24" },
  { bg: "rgba(196, 181, 253, 0.14)", fg: "#c4b5fd" },
  { bg: "rgba(103, 232, 249, 0.14)", fg: "#67e8f9" },
  { bg: "rgba(253, 164, 175, 0.14)", fg: "#fda4af" },
] as const;

export function tintFor(name: string) {
  let hash = 0;
  for (let i = 0; i < name.length; i += 1) {
    hash = (hash * 31 + name.charCodeAt(i)) | 0;
  }
  return projectTints[Math.abs(hash) % projectTints.length];
}