/**
 * Settings store — simplified. Only global basics live here.
 * Recipients/channels are now "Monitoring Pages" (stored in their own table).
 */
import { db } from "@/lib/db";

export type SaleType = "auction" | "sale";

export interface AppSettings {
  botToken: string;
  // Monitoring (global)
  intervalSeconds: number;
  realtimeMode: boolean;
  minBidTon: number; // global min bid (pages can override)
  maxBidTon: number; // global max bid to fetch (0 = unlimited)
  // Data sources
  sourceFragment: boolean;
  sourceGetgems: boolean;
  sourceMock: boolean;
  fetchSaleType: "auction" | "sale" | "both";
  // Global default message template (pages can override)
  messageTemplate: string;
}

export const DEFAULT_SETTINGS: AppSettings = {
  botToken: "",
  intervalSeconds: 60,
  realtimeMode: false,
  minBidTon: 0,
  maxBidTon: 0,
  sourceFragment: true,
  sourceGetgems: true,
  sourceMock: true,
  fetchSaleType: "auction",
  messageTemplate:
    "🔨 <b>مزاد جديد على المعرف</b>\n\n" +
    "👤 المعرف: <code>@{username}</code>\n" +
    "💰 تم وضع مزاد بقيمة: <b>{bid} TON</b>\n" +
    "⏳ ينتهي خلال: {timeLeft}\n" +
    "🔗 {url}",
};

const SETTINGS_ID = "app";

export async function getSettings(): Promise<AppSettings> {
  const row = await db.setting.findUnique({ where: { id: SETTINGS_ID } });
  if (!row) {
    await db.setting.create({ data: { id: SETTINGS_ID, value: JSON.stringify(DEFAULT_SETTINGS) } });
    return { ...DEFAULT_SETTINGS };
  }
  try {
    const parsed = JSON.parse(row.value) as Partial<AppSettings>;
    const merged: AppSettings = { ...DEFAULT_SETTINGS, ...parsed };
    // Migration: remove deprecated fields
    return merged;
  } catch {
    return { ...DEFAULT_SETTINGS };
  }
}

export async function saveSettings(next: Partial<AppSettings>): Promise<AppSettings> {
  const current = await getSettings();
  const clean: Partial<AppSettings> = {};
  for (const [k, v] of Object.entries(next)) {
    if (v !== undefined) (clean as Record<string, unknown>)[k] = v;
  }
  const merged: AppSettings = { ...current, ...clean };
  await db.setting.upsert({
    where: { id: SETTINGS_ID },
    create: { id: SETTINGS_ID, value: JSON.stringify(merged) },
    update: { value: JSON.stringify(merged) },
  });
  return merged;
}

export function formatMessage(
  template: string,
  data: {
    username: string;
    bid: number;
    source: string;
    pattern?: string;
    url?: string;
    timeLeft?: string;
    saleType?: string;
  }
): string {
  const saleLabel = data.saleType === "sale" ? "بيع مباشر" : "مزاد";
  return (template || "")
    .replace(/\{username\}/g, data.username)
    .replace(/\{bid\}/g, String(data.bid))
    .replace(/\{source\}/g, data.source)
    .replace(/\{pattern\}/g, data.pattern || "—")
    .replace(/\{url\}/g, data.url || "—")
    .replace(/\{timeLeft\}/g, data.timeLeft || "—")
    .replace(/\{saleType\}/g, saleLabel);
}