import { getDb } from "./database.ts";
import type { AnalysisResult } from "./types.ts";

function buildRow(r: AnalysisResult) {
  const price =
    r.product.keepa?.currentPrice ??
    r.product.record.sellingPriceFromSheet ??
    r.product.spApi.estimatedSalePrice;
  const rank = r.product.keepa?.salesRank ?? r.product.record.amazonRank;
  const canSellStatus =
    r.product.spApi.canSell == null
      ? "unknown"
      : r.product.spApi.canSell
        ? "yes"
        : "no";

  return {
    ASIN: r.product.record.asin,
    Name: r.product.record.name,
    Brand: r.product.record.brand ?? "",
    Category:
      r.product.record.category ??
      r.product.keepa?.categoryTree?.join(" > ") ??
      "",
    "Unit Cost": r.product.record.unitCost,
    "Current Price": price ?? "",
    "Avg Price 90d": r.product.keepa?.avgPrice90 ?? "",
    "Avg Price 90d (sheet)": r.product.record.avgPrice90FromSheet ?? "",
    "Selling Price (sheet)": r.product.record.sellingPriceFromSheet ?? "",
    "Sales Rank": rank ?? "",
    "Rank Avg 90d": r.product.keepa?.salesRankAvg90 ?? "",
    Sellers: r.product.keepa?.sellerCount ?? "",
    "Amazon Is Seller": r.product.keepa?.amazonIsSeller ?? null,
    "Amazon Buy Box Share 90d %":
      r.product.keepa?.amazonBuyboxSharePct90d ?? "",
    "Monthly Sold": r.product.keepa?.monthlySold ?? "",
    "Rank Drops 30d": r.product.keepa?.salesRankDrops30 ?? "",
    "Rank Drops 90d": r.product.keepa?.salesRankDrops90 ?? "",
    "FBA Net (sheet)": r.product.record.fbaNet ?? "",
    "Gross Profit $": r.product.record.grossProfit ?? "",
    "Gross Profit %": r.product.record.grossProfitPct ?? "",
    "Net Profit (sheet)": r.product.record.netProfitFromSheet ?? "",
    "ROI (sheet)": r.product.record.roiFromSheet ?? "",
    MOQ: r.product.record.moq ?? "",
    "MOQ Cost": r.product.record.moqCost ?? "",
    "Qty Available": r.product.record.totalQtyAvail ?? "",
    Supplier: r.product.record.supplier ?? "",
    "Source URL": r.product.record.sourceUrl ?? "",
    "ASIN Link": r.product.record.asinLink ?? "",
    "Promo/Coupon Code": r.product.record.promoCouponCode ?? "",
    Notes: r.product.record.notes ?? "",
    "Lead Date": r.product.record.leadDate ?? "",
    "FBA Fee": r.product.spApi.fbaFee,
    "FBM Fee": r.product.spApi.fbmFee,
    "Referral %": r.product.spApi.referralFeePercent,
    "Can Sell": canSellStatus,
    Sellability: r.product.spApi.sellabilityStatus,
    "Sellability Reason": r.product.spApi.sellabilityReason ?? "",
    Verdict: r.verdict.verdict,
    Confidence: r.verdict.confidence,
    Reasoning: r.verdict.reasoning,
  };
}

export function writeResultsToDb(
  results: AnalysisResult[],
  dbPath: string,
  inputFile: string,
  outputFile: string | undefined,
): void {
  const database = getDb(dbPath);

  const timestamp = new Date().toISOString();
  const fbaCount = results.filter((r) => r.verdict.verdict === "FBA").length;
  const fbmCount = results.filter((r) => r.verdict.verdict === "FBM").length;
  const skipCount = results.filter((r) => r.verdict.verdict === "SKIP").length;

  const insertRun = database.prepare(
    `INSERT INTO runs (
      timestamp,
      input_file,
      output_file,
      total_products,
      fba_count,
      fbm_count,
      skip_count
    ) VALUES (?, ?, ?, ?, ?, ?, ?)`,
  );
  const runInfo = insertRun.run(
    timestamp,
    inputFile,
    outputFile ?? null,
    results.length,
    fbaCount,
    fbmCount,
    skipCount,
  );
  const runId =
    (runInfo.changes as number) > 0
      ? (runInfo.lastInsertRowid as number)
      : null;

  if (runId === null) {
    console.error("Failed to insert run record into SQLite.");
    return;
  }

  const insertResult = database.prepare(
    `INSERT INTO results (
      run_id, asin, product_name, brand, category, unit_cost, current_price,
      avg_price_90d, avg_price_90d_sheet, selling_price_sheet, sales_rank, rank_avg_90d,
      sellers, amazon_is_seller, amazon_buybox_share_pct_90d,
      monthly_sold, rank_drops_30d, rank_drops_90d, fba_net_sheet,
      gross_profit_dollar, gross_profit_pct, net_profit_sheet, roi_sheet, moq, moq_cost,
      qty_available, supplier, source_url, asin_link, promo_coupon_code, notes, lead_date,
      fba_fee, fbm_fee, referral_percent, can_sell, sellability_status, sellability_reason,
      verdict, confidence, reasoning, fetched_at
    ) VALUES (
      ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?,
      ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?
    )`,
  );

  database.transaction(() => {
    for (const r of results) {
      const row = buildRow(r);
      insertResult.run(
        runId,
        row.ASIN,
        row.Name,
        row.Brand,
        row.Category,
        row["Unit Cost"] ?? null,
        row["Current Price"] ?? null,
        row["Avg Price 90d"] ?? null,
        row["Avg Price 90d (sheet)"] ?? null,
        row["Selling Price (sheet)"] ?? null,
        row["Sales Rank"] ?? null,
        row["Rank Avg 90d"] ?? null,
        row.Sellers ?? null,
        row["Amazon Is Seller"] == null
          ? null
          : row["Amazon Is Seller"]
            ? 1
            : 0,
        row["Amazon Buy Box Share 90d %"] ?? null,
        row["Monthly Sold"] ?? null,
        row["Rank Drops 30d"] ?? null,
        row["Rank Drops 90d"] ?? null,
        row["FBA Net (sheet)"] ?? null,
        row["Gross Profit $"] ?? null,
        row["Gross Profit %"] ?? null,
        row["Net Profit (sheet)"] ?? null,
        row["ROI (sheet)"] ?? null,
        row.MOQ ?? null,
        row["MOQ Cost"] ?? null,
        row["Qty Available"] ?? null,
        row.Supplier ?? null,
        row["Source URL"] ?? null,
        row["ASIN Link"] ?? null,
        row["Promo/Coupon Code"] ?? null,
        row.Notes ?? null,
        row["Lead Date"] ?? null,
        row["FBA Fee"] ?? null,
        row["FBM Fee"] ?? null,
        row["Referral %"] ?? null,
        row["Can Sell"],
        row.Sellability,
        row["Sellability Reason"] ?? null,
        row.Verdict,
        row.Confidence ?? null,
        row.Reasoning,
        r.product.fetchedAt,
      );
    }
  })();
  console.log(`Results written to SQLite database for run_id: ${runId}`);
}
export function printResults(results: AnalysisResult[]): void {
  const rows = results
    .filter((r) => r.verdict.verdict === "FBA" || r.verdict.verdict === "FBM")
    .map((r) => {
      const sellingPrice =
        r.product.keepa?.currentPrice ??
        r.product.record.sellingPriceFromSheet ??
        r.product.spApi.estimatedSalePrice;
      const referralFee =
        sellingPrice != null
          ? sellingPrice * (r.product.spApi.referralFeePercent / 100)
          : null;
      const fulfillmentFee =
        r.verdict.verdict === "FBA"
          ? r.product.spApi.fbaFee
          : r.product.spApi.fbmFee;
      const netProfit =
        sellingPrice != null
          ? Math.round(
              (sellingPrice -
                r.product.record.unitCost -
                fulfillmentFee -
                (referralFee ?? 0)) *
                100,
            ) / 100
          : "";

      return {
        ASIN: r.product.record.asin,
        Name: r.product.record.name.slice(0, 40),
        Category: String(
          r.product.record.category ??
            r.product.keepa?.categoryTree?.join(" > ") ??
            "",
        ).slice(0, 20),
        "Unit Cost": r.product.record.unitCost,
        "Selling Price": sellingPrice ?? "",
        "Net Profit": netProfit,
        "Monthly Sold": r.product.keepa?.monthlySold ?? "",
        "Sold 90 Day": r.product.keepa?.salesRankDrops90 ?? "",
        "Can Sell":
          r.product.spApi.canSell == null
            ? "unknown"
            : r.product.spApi.canSell
              ? "yes"
              : "no",
        Sellability: r.product.spApi.sellabilityStatus,
        "Sellability Reason": String(
          r.product.spApi.sellabilityReason ?? "",
        ).slice(0, 60),
        Confidence: r.verdict.confidence,
        Reasoning: r.verdict.reasoning.slice(0, 60),
      };
    });

  console.log("\n=== Analysis Results ===\n");
  if (rows.length === 0) {
    console.log("No FBA/FBM leads found.");
  } else {
    console.table(rows);
  }

  const summary = {
    FBA: results.filter((r) => r.verdict.verdict === "FBA").length,
    FBM: results.filter((r) => r.verdict.verdict === "FBM").length,
    SKIP: results.filter((r) => r.verdict.verdict === "SKIP").length,
    Available: results.filter(
      (r) => r.product.spApi.sellabilityStatus === "available",
    ).length,
    Restricted: results.filter(
      (r) => r.product.spApi.sellabilityStatus === "restricted",
    ).length,
    NotAvailable: results.filter(
      (r) => r.product.spApi.sellabilityStatus === "not_available",
    ).length,
    Unknown: results.filter(
      (r) => r.product.spApi.sellabilityStatus === "unknown",
    ).length,
  };
  console.log(
    `\nSummary: ${summary.FBA} FBA | ${summary.FBM} FBM | ${summary.SKIP} SKIP out of ${results.length} products\n`,
  );
  console.log(
    `Sellability: ${summary.Available} available | ${summary.Restricted} restricted | ${summary.NotAvailable} not_available | ${summary.Unknown} unknown\n`,
  );
}