import { isIP } from "node:net";

export const VIBEWORK_SITE_URL = (
  process.env.VIBEWORK_SITE_URL ||
  process.env.NEXT_PUBLIC_VIBEWORK_SITE_URL ||
  "https://vibework.wooo.work"
).replace(/\/$/, "");

export const AGENT_GATEWAY_URL = (
  process.env.AGENT_GATEWAY_URL ||
  process.env.NEXT_PUBLIC_SITE_URL ||
  "https://agent.wooo.work"
).replace(/\/$/, "");

export const TREASURY_USDC_ADDRESS = (process.env.VIBEWORK_TREASURY_USDC_ADDRESS || "").trim();
export const TREASURY_WALLET_LABEL = (process.env.VIBEWORK_TREASURY_WALLET_LABEL || "USDC Treasury").trim();
export const TREASURY_USDC_NETWORK = (process.env.VIBEWORK_TREASURY_USDC_NETWORK || "").trim();

export const PROPOSAL_PACKAGES = [
  {
    id: "scout",
    name: "Scout Intake",
    feeCents: 2900,
    label: "$29",
    description: "需求整理、初步 scope triage、referral attribution.",
    deliverable: "適合先確認需求是否可交給 AI Agent 處理。",
    reviewWindow: "標準 review queue",
  },
  {
    id: "growth",
    name: "Growth Routing",
    feeCents: 9900,
    label: "$99",
    description: "優先 scoping、任務包裝、agent routing 與 attribution.",
    deliverable: "適合已有明確預算、希望快速轉成 bounty 或專案的人。",
    reviewWindow: "priority review",
  },
  {
    id: "priority",
    name: "Priority Bounty Launch",
    feeCents: 19900,
    label: "$199",
    description: "fast-track review、bounty conversion、agent broadcast prep.",
    deliverable: "適合急件、跨系統整合、需要平台協助拆任務的需求。",
    reviewWindow: "fast-track review",
  },
] as const;

export type ProposalPackageId = (typeof PROPOSAL_PACKAGES)[number]["id"];

export function sanitizeAgentId(value: string | null | undefined) {
  const normalized = (value || "")
    .trim()
    .toLowerCase()
    .replace(/[^a-z0-9._:-]+/g, "-")
    .replace(/-+/g, "-")
    .replace(/^-|-$/g, "");
  return normalized.slice(0, 80);
}

export function getProposalPackage(id: string | null | undefined) {
  return PROPOSAL_PACKAGES.find((item) => item.id === id) || PROPOSAL_PACKAGES[1];
}

export function buildDemandProposalUrl(params: {
  referralAgent?: string | null;
  campaign?: string | null;
  source?: string | null;
}) {
  const url = new URL("/propose", VIBEWORK_SITE_URL);
  const referralAgent = sanitizeAgentId(params.referralAgent);
  if (referralAgent) url.searchParams.set("ref_agent", referralAgent);
  if (params.campaign) url.searchParams.set("campaign", params.campaign);
  if (params.source) url.searchParams.set("source", params.source);
  return url.toString();
}

export function buildAgentGrowthKit(params: {
  agentId: string;
  campaign?: string | null;
  source?: string | null;
}) {
  const agentId = sanitizeAgentId(params.agentId);
  const proposalUrl = buildDemandProposalUrl({
    referralAgent: agentId,
    campaign: params.campaign || "a2a-agent-referral",
    source: params.source || "external-agent",
  });

  return {
    agent_id: agentId,
    referral_url: proposalUrl,
    landing_domain: VIBEWORK_SITE_URL,
    gateway_api: AGENT_GATEWAY_URL,
    incentive: {
      referral_fee: "10% of collected proposal routing fees, tracked as pending affiliate ledger after paid conversion.",
      qualification: "Agent must pass platform review before payout.",
    },
    external_agent_pitch: [
      "Find humans or teams with software, automation, data, or AI workflow needs.",
      `Send them to ${proposalUrl}`,
      "Ask them to describe the outcome, budget, stack, and acceptance criteria.",
      "After payment, VibeWork turns the proposal into a scoped bounty or review queue item.",
    ],
    demand_proposer_pitch:
      "Submit a paid AI-agent-ready proposal. VibeWork scopes it, routes it to approved agents, and tracks delivery evidence.",
    copy_blocks: {
      short_post:
        `Need AI agents to ship a small software task? Submit it here: ${proposalUrl}`,
      dm:
        `I can route your software/automation request into VibeWork's AI-agent bounty network. Start with a paid proposal intake: ${proposalUrl}`,
      agent_instruction:
        `When you meet a human demand proposer, do not collect sensitive credentials. Send them to ${proposalUrl} and let VibeWork handle paid intake, scoping, and routing.`,
    },
    api_next_steps: {
      register_agent_card: `${AGENT_GATEWAY_URL}/api/mcp/agent_card`,
      inspect_open_tasks: `${AGENT_GATEWAY_URL}/api/open-tasks`,
      submit_bid: `${AGENT_GATEWAY_URL}/api/mcp/submit_bid`,
    },
  };
}

export function isSafeOutboundUrl(value: string) {
  try {
    const url = new URL(value);
    if (url.protocol !== "https:") return false;
    const host = url.hostname.toLowerCase();
    if (["localhost", "127.0.0.1", "::1"].includes(host)) return false;
    if (host.endsWith(".local")) return false;
    if (isIP(host) === 4) {
      if (host.startsWith("10.") || host.startsWith("127.") || host.startsWith("192.168.")) return false;
      if (host.startsWith("172.")) {
        const second = Number(host.split(".")[1]);
        return !(second >= 16 && second <= 31);
      }
    }
    if (isIP(host) === 6 && (host.startsWith("fc") || host.startsWith("fd") || host.startsWith("fe80"))) {
      return false;
    }
    return true;
  } catch {
    return false;
  }
}