const fs = require("fs");
const path = require("path");
const { spawn } = require("child_process");

const root = "C:\\project\\FT546WMS-SHANDOW";
const outDir = "C:\\project\\FT546WMS-shadow-export-0828";
const config = path.join(root, ".cursorrules-mcp.json");
const database = "FT546-wms";

fs.mkdirSync(outDir, { recursive: true });

function redact(value) {
  return String(value).replace(/password\s*[:=]\s*[^\s,}]+/gi, "password=[redacted]");
}

function createClient() {
  const child = spawn("powershell.exe", [
    "-NoProfile", "-ExecutionPolicy", "Bypass", "-File",
    "C:\\project\\sqlserver-mcp-server\\start.ps1",
    "-ConfigPath", config
  ], { stdio: ["pipe", "pipe", "pipe"] });
  let buffer = "";
  let nextId = 1;
  const pending = new Map();
  child.stdout.on("data", (chunk) => {
    buffer += chunk.toString();
    const lines = buffer.split(/\r?\n/);
    buffer = lines.pop();
    for (const line of lines) {
      if (!line.trim()) continue;
      try {
        const message = JSON.parse(line);
        const resolve = pending.get(message.id);
        if (resolve) {
          pending.delete(message.id);
          resolve(message);
        }
      } catch {
        // The MCP protocol stream is line-delimited JSON.
      }
    }
  });
  function call(method, params) {
    return new Promise((resolve, reject) => {
      const id = nextId++;
      pending.set(id, (message) => message.error
        ? reject(new Error(message.error.message || "MCP error"))
        : resolve(message.result));
      child.stdin.write(JSON.stringify({ jsonrpc: "2.0", id, method, params }) + "\n");
    });
  }
  return { child, call };
}

function parseResult(result) {
  const item = (result.content || []).find((entry) => entry.type === "text");
  if (!item) throw new Error("MCP returned no result text");
  try {
    return JSON.parse(item.text);
  } catch {
    throw new Error(item.text.replace(/password\s*[:=]\s*[^\s,}]+/gi, "password=[redacted]").replace(/\r?\n/g, " "));
  }
}

async function main() {
  const client = createClient();
  try {
    await client.call("initialize", {
      protocolVersion: "2025-06-18",
      capabilities: {},
      clientInfo: { name: "ft546-shadow-followup", version: "1.0" }
    });
    client.child.stdin.write(JSON.stringify({ jsonrpc: "2.0", method: "notifications/initialized" }) + "\n");

    const start = "2026-08-18T00:00:00";
    const end = new Date().toISOString().slice(0, 19);
    const warehouse = "01";
    const callRead = async (name, query) => ({
      name,
      result: parseResult(await client.call("tools/call", {
        name: "sqlserver_read_data",
        arguments: { databaseName: database, query, response_format: "json" }
      }))
    });

    const queries = [
      ["inventory_counts", `SELECT 'legacy_bas_stock' AS source_name, COUNT_BIG(*) AS row_count FROM dbo.bas_stock s INNER JOIN dbo.bas_cargo_space c ON c.cargo_space_id = s.cargo_space_id AND c.warehouse_id = '${warehouse}' UNION ALL SELECT 'shadow_inventory_item_snapshot', COUNT_BIG(*) FROM alg.inventory_item_snapshot WHERE warehouse_id = '${warehouse}'`],
      ["legacy_missing_from_shadow", `SELECT TOP (1000) c.warehouse_id, s.stock_id, s.cargo_space_id, s.tray_code, s.spare4 AS legacy_project_no, s.product_id AS legacy_product_no, s.lot_no, s.in_date, s.quantity, s.out_quantity FROM dbo.bas_stock s INNER JOIN dbo.bas_cargo_space c ON c.cargo_space_id = s.cargo_space_id AND c.warehouse_id = '${warehouse}' LEFT JOIN alg.inventory_item_snapshot i ON i.warehouse_id = c.warehouse_id AND i.stock_id = s.stock_id WHERE i.stock_id IS NULL ORDER BY s.stock_id`],
      ["shadow_missing_from_legacy", `SELECT TOP (1000) i.warehouse_id, i.stock_id, i.space_id, i.tray_code, i.project_no, i.product_no, i.lot_no, i.inbound_time_raw, i.quantity, i.out_quantity FROM alg.inventory_item_snapshot i LEFT JOIN dbo.bas_stock s ON s.stock_id = i.stock_id WHERE i.warehouse_id = '${warehouse}' AND s.stock_id IS NULL ORDER BY i.stock_id`],
      ["matched_field_difference_counts", `SELECT COUNT_BIG(*) AS matched_stock_count, SUM(CASE WHEN ISNULL(LTRIM(RTRIM(s.cargo_space_id)), '') <> ISNULL(LTRIM(RTRIM(i.space_id)), '') THEN 1 ELSE 0 END) AS space_mismatch_count, SUM(CASE WHEN ISNULL(LTRIM(RTRIM(s.tray_code)), '') <> ISNULL(LTRIM(RTRIM(i.tray_code)), '') THEN 1 ELSE 0 END) AS tray_mismatch_count, SUM(CASE WHEN ISNULL(LTRIM(RTRIM(s.spare4)), '') <> ISNULL(LTRIM(RTRIM(i.project_no)), '') THEN 1 ELSE 0 END) AS project_mismatch_count, SUM(CASE WHEN ISNULL(LTRIM(RTRIM(s.product_id)), '') <> ISNULL(LTRIM(RTRIM(i.product_no)), '') THEN 1 ELSE 0 END) AS product_mismatch_count, SUM(CASE WHEN ISNULL(LTRIM(RTRIM(s.lot_no)), '') <> ISNULL(LTRIM(RTRIM(i.lot_no)), '') THEN 1 ELSE 0 END) AS lot_mismatch_count, SUM(CASE WHEN ISNULL(s.quantity, 0) <> ISNULL(i.quantity, 0) THEN 1 ELSE 0 END) AS quantity_mismatch_count, SUM(CASE WHEN ISNULL(s.out_quantity, 0) <> ISNULL(i.out_quantity, 0) THEN 1 ELSE 0 END) AS out_quantity_mismatch_count FROM dbo.bas_stock s INNER JOIN dbo.bas_cargo_space c ON c.cargo_space_id = s.cargo_space_id AND c.warehouse_id = '${warehouse}' INNER JOIN alg.inventory_item_snapshot i ON i.warehouse_id = c.warehouse_id AND i.stock_id = s.stock_id`],
      ["field_difference_rows", `SELECT TOP (1000) s.stock_id, s.cargo_space_id AS legacy_space_id, i.space_id AS shadow_space_id, s.tray_code AS legacy_tray_code, i.tray_code AS shadow_tray_code, s.spare4 AS legacy_project_no, i.project_no AS shadow_project_no, s.product_id AS legacy_product_no, i.product_no AS shadow_product_no, s.lot_no AS legacy_lot_no, i.lot_no AS shadow_lot_no, s.quantity AS legacy_quantity, i.quantity AS shadow_quantity, s.out_quantity AS legacy_out_quantity, i.out_quantity AS shadow_out_quantity FROM dbo.bas_stock s INNER JOIN dbo.bas_cargo_space c ON c.cargo_space_id = s.cargo_space_id AND c.warehouse_id = '${warehouse}' INNER JOIN alg.inventory_item_snapshot i ON i.warehouse_id = c.warehouse_id AND i.stock_id = s.stock_id WHERE ISNULL(LTRIM(RTRIM(s.cargo_space_id)), '') <> ISNULL(LTRIM(RTRIM(i.space_id)), '') OR ISNULL(LTRIM(RTRIM(s.tray_code)), '') <> ISNULL(LTRIM(RTRIM(i.tray_code)), '') OR ISNULL(LTRIM(RTRIM(s.spare4)), '') <> ISNULL(LTRIM(RTRIM(i.project_no)), '') OR ISNULL(LTRIM(RTRIM(s.product_id)), '') <> ISNULL(LTRIM(RTRIM(i.product_no)), '') OR ISNULL(LTRIM(RTRIM(s.lot_no)), '') <> ISNULL(LTRIM(RTRIM(i.lot_no)), '') OR ISNULL(s.quantity, 0) <> ISNULL(i.quantity, 0) OR ISNULL(s.out_quantity, 0) <> ISNULL(i.out_quantity, 0) ORDER BY s.stock_id`],
      ["request_match_counts", `SELECT COUNT_BIG(*) AS compare_count, SUM(CASE WHEN j_by_id.job_id IS NOT NULL THEN 1 ELSE 0 END) AS matched_by_job_id, SUM(CASE WHEN j_by_id.job_id IS NULL AND j_by_task.job_id IS NOT NULL THEN 1 ELSE 0 END) AS matched_by_task_no, SUM(CASE WHEN j_by_id.job_id IS NULL AND j_by_task.job_id IS NULL THEN 1 ELSE 0 END) AS unmatched_count FROM alg.decision_log d OUTER APPLY (SELECT LTRIM(RTRIM(SUBSTRING(d.reason, CHARINDEX('request=', d.reason) + 8, CHARINDEX(CHAR(59), d.reason + CHAR(59), CHARINDEX('request=', d.reason)) - (CHARINDEX('request=', d.reason) + 8)))) AS request_id) r LEFT JOIN dbo.mydo_job j_by_id ON j_by_id.warehouse_id = '${warehouse}' AND CONVERT(varchar(255), j_by_id.job_id) = r.request_id LEFT JOIN dbo.mydo_job j_by_task ON j_by_task.warehouse_id = '${warehouse}' AND CONVERT(varchar(255), j_by_task.task_no) = r.request_id WHERE d.decision_type = 'OUTBOUND_COMPARE' AND d.created_at >= '${start}' AND d.created_at < '${end}'`],
      ["request_match_details", `SELECT TOP (300) d.created_at, d.result_code, r.request_id, j_by_id.job_id AS job_id_match, j_by_id.task_no AS job_id_match_task_no, j_by_id.tray_code AS job_id_match_tray_code, j_by_id.status AS job_id_match_status, j_by_id.in_or_out AS job_id_match_in_or_out, j_by_task.job_id AS task_no_match_job_id, j_by_task.task_no AS task_no_match_task_no, j_by_task.tray_code AS task_no_match_tray_code, j_by_task.status AS task_no_match_status, d.reason FROM alg.decision_log d OUTER APPLY (SELECT LTRIM(RTRIM(SUBSTRING(d.reason, CHARINDEX('request=', d.reason) + 8, CHARINDEX(CHAR(59), d.reason + CHAR(59), CHARINDEX('request=', d.reason)) - (CHARINDEX('request=', d.reason) + 8)))) AS request_id) r LEFT JOIN dbo.mydo_job j_by_id ON j_by_id.warehouse_id = '${warehouse}' AND CONVERT(varchar(255), j_by_id.job_id) = r.request_id LEFT JOIN dbo.mydo_job j_by_task ON j_by_task.warehouse_id = '${warehouse}' AND CONVERT(varchar(255), j_by_task.task_no) = r.request_id WHERE d.decision_type = 'OUTBOUND_COMPARE' AND d.created_at >= '${start}' AND d.created_at < '${end}' ORDER BY d.created_at`]
    ];

    const results = [];
    for (const [name, query] of queries) results.push(await callRead(name, query));
    const output = {
      export_type: "shadow-followup",
      database,
      warehouse_id: warehouse,
      export_start_utc: start,
      export_end_utc: end,
      results
    };
    fs.writeFileSync(path.join(outDir, "shadow-followup.sql"), queries.map(([name, query]) => `-- ${name}\n${query}`).join(";\n\n") + ";\n", "utf8");
    fs.writeFileSync(path.join(outDir, "shadow-followup.txt"), JSON.stringify(output, null, 2) + "\n", "utf8");
    console.log("FOLLOWUP_EXPORT_OK shadow-followup.txt result_sets=" + results.length);
  } finally {
    client.child.kill();
  }
}

main().catch((error) => {
  console.error("FOLLOWUP_EXPORT_FAILED " + redact(error.message));
  process.exitCode = 1;
});