import { PrismaClient } from "@prisma/client";

const prisma = new PrismaClient();

async function main() {
  console.log("Seeding AI visibility + competitors...");

  const brands = await prisma.brand.findMany();
  if (brands.length === 0) { console.log("No brands. Run main seed first."); return; }

  for (const brand of brands) {
    // Clear existing
    await prisma.aiVisibilitySnapshot.deleteMany({ where: { brandId: brand.id } });
    await prisma.competitorSnapshot.deleteMany({ where: { brandId: brand.id } });
    await prisma.competitor.deleteMany({ where: { brandId: brand.id } });

    // ── AI Visibility: 30 days of snapshots ──
    const platforms = ["chatgpt", "claude", "perplexity", "gemini", "google_aio"];
    const topics = [
      "best project management tools",
      "SEO audit checklist",
      "technical SEO guide",
      "AI visibility optimization",
      "website speed optimization",
    ];
    const pages = ["/features", "/blog/seo-guide", "/technical-audit", "/pricing", "/about"];

    for (let d = 30; d >= 0; d--) {
      const date = new Date();
      date.setDate(date.getDate() - d);
      date.setHours(12, 0, 0, 0);

      for (let p = 0; p < platforms.length; p++) {
        const baseMentions = [5, 4, 3, 2, 1][p];
        const growth = 1 + ((30 - d) / 30) * 0.2;
        const noise = () => 0.7 + Math.random() * 0.6;

        for (let t = 0; t < 2; t++) {
          const topicIdx = (p + t) % topics.length;
          const mentions = Math.round(baseMentions * growth * noise());
          const citations = Math.round(mentions * (0.3 + Math.random() * 0.4));

          await prisma.aiVisibilitySnapshot.create({
            data: {
              brandId: brand.id,
              date,
              platform: platforms[p],
              topic: topics[topicIdx],
              mentions,
              citations,
              visibilityScore: Math.min(100, Math.round(mentions * 8 + citations * 12)),
              sourceUrl: pages[topicIdx],
              change: d < 28 ? Math.round((Math.random() - 0.3) * 3) : 0,
            },
          });
        }
      }
    }
    console.log(`  AI visibility: 30 days × 5 platforms × 2 topics for ${brand.name}`);

    // ── Competitors ──
    const comps = [
      { name: "RankBoost.io", domain: "rankboost.io", type: "national", strongestPage: "/features/seo-audit", whyWinning: "Published 4 new long-form guides targeting core keywords. Strong internal linking structure.", watchlist: true },
      { name: "ContentKing", domain: "contentking.com", type: "national", strongestPage: "/technical-seo-guide", whyWinning: "12,000-word technical SEO guide displacing competitors in AI citations.", watchlist: true },
      { name: "LocalSEO Pro", domain: "localseepro.com", type: "local", strongestPage: "/local-seo-services", whyWinning: "Dominates local pack for city-specific queries. Strong GBP optimization.", watchlist: false },
      { name: "AgencyFirst", domain: "agencyfirst.io", type: "emerging", strongestPage: "/blog/ai-seo", whyWinning: "New player publishing AI-focused SEO content rapidly.", watchlist: false },
    ];

    for (const c of comps) {
      const competitor = await prisma.competitor.create({
        data: {
          brandId: brand.id,
          name: c.name,
          domain: c.domain,
          type: c.type,
          strongestPage: c.strongestPage,
          whyWinning: c.whyWinning,
          watchlist: c.watchlist,
        },
      });

      // Add weekly snapshots for 12 weeks
      for (let w = 12; w >= 0; w--) {
        const date = new Date();
        date.setDate(date.getDate() - w * 7);
        date.setHours(12, 0, 0, 0);

        const threat = c.watchlist ? (w < 4 ? "high" : "medium") : "low";
        const baseAi = c.name === "RankBoost.io" ? 8 : c.name === "ContentKing" ? 6 : 3;

        await prisma.competitorSnapshot.create({
          data: {
            competitorId: competitor.id,
            brandId: brand.id,
            date,
            movement: w < 3 ? `#${5 - w} → #${3 - w > 0 ? 3 - w : 1}` : "Stable",
            rankChange: w < 4 ? Math.round(Math.random() * 3) : 0,
            aiMentions: Math.round(baseAi * (1 + (12 - w) / 12 * 0.3) + (Math.random() - 0.5) * 2),
            aiMentionChange: w < 6 ? Math.round((Math.random() - 0.3) * 3) : 0,
            trafficEstimate: Math.round((5000 + Math.random() * 10000) * (1 + (12 - w) / 12 * 0.15)),
            topKeyword: c.name === "RankBoost.io" ? "project management SEO tool" : c.name === "ContentKing" ? "technical SEO audit" : "local SEO services",
            threat,
          },
        });
      }
    }
    console.log(`  Competitors: ${comps.length} with 13 weekly snapshots each for ${brand.name}`);
  }

  console.log("AI visibility + competitors seeding complete!");
}

main()
  .catch((e) => { console.error(e); process.exit(1); })
  .finally(() => prisma.$disconnect());