import { NextRequest, NextResponse } from "next/server";
import fs from "fs";
import path from "path";

const API_SECRET = process.env.API_SECRET || 'horus-mc-secret-2026';
const STORAGE_FILE = path.join(process.cwd(), "data", "morning_briefs.json");

const DISCORD_BOT_TOKEN = process.env.DISCORD_BOT_TOKEN || "MTQ3MTk4OTUzNjE1MzQwMzU5Nw.Ghtj4n.g-tl-Ijhfn9cg6zUCUIVd94EdwL32KmlVgRoSc";
const MORNING_CHANNEL = "1476344610493042698";

function ensureStorage() {
  const dir = path.dirname(STORAGE_FILE);
  if (!fs.existsSync(dir)) {
    fs.mkdirSync(dir, { recursive: true });
  }
  if (!fs.existsSync(STORAGE_FILE)) {
    fs.writeFileSync(STORAGE_FILE, "[]");
  }
}

function getBriefs() {
  ensureStorage();
  return JSON.parse(fs.readFileSync(STORAGE_FILE, "utf-8"));
}

function saveBriefs(data: any[]) {
  ensureStorage();
  fs.writeFileSync(STORAGE_FILE, JSON.stringify(data, null, 2));
}

function formatMorningBrief(data: any): string {
  return `☀️ MORNING BRIEF - ${data.date || new Date().toISOString().split('T')[0]}

🌤️ WEATHER
${data.weather || 'N/A'}

📊 MARKET
BTC: $${data.market?.BTC || 'N/A'} (${data.market?.btcChange || '0%'})
ETH: $${data.market?.ETH || 'N/A'} (${data.market?.ethChange || '0%'})
SOL: $${data.market?.SOL || 'N/A'} (${data.market?.solChange || '0%'})

🎯 PRIORITIES
${(data.priorities || []).map((p: string, i: number) => `${i + 1}. ${p}`).join('\n')}

💰 GOAL: ${data.goal || 'N/A'}

🔥 HOT LEADS
${(data.leads || []).map((l: string) => `- ${l}`).join('\n')}`;
}

export async function GET(request: NextRequest) {
  // Check auth
  const authHeader = request.headers.get('authorization');
  if (authHeader !== `Bearer ${API_SECRET}`) {
    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
  }
  
  const briefs = getBriefs();
  return NextResponse.json(briefs);
}

export async function POST(request: NextRequest) {
  // Check auth
  const authHeader = request.headers.get('authorization');
  if (authHeader !== `Bearer ${API_SECRET}`) {
    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
  }
  
  try {
    const body = await request.json();
    
    const brief = {
      id: `morning-${Date.now()}`,
      date: body.date || new Date().toISOString().split('T')[0],
      weather: body.weather,
      market: body.market,
      priorities: body.priorities || [],
      goal: body.goal,
      leads: body.leads || [],
      created_at: new Date().toISOString()
    };
    
    const briefs = getBriefs();
    briefs.unshift(brief);
    saveBriefs(briefs);
    
    // Send to Discord
    const discordMessage = formatMorningBrief(body);
    await fetch(`https://discord.com/api/v10/channels/${MORNING_CHANNEL}/messages`, {
      method: "POST",
      headers: {
        "Authorization": `Bot ${DISCORD_BOT_TOKEN}`,
        "Content-Type": "application/json",
      },
      body: JSON.stringify({ content: discordMessage }),
    });
    
    return NextResponse.json({ success: true, brief });
  } catch (error) {
    console.error("Morning brief error:", error);
    return NextResponse.json({ error: "Failed to save brief" }, { status: 500 });
  }
}