import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import path from "node:path";
import test from "node:test";

const leadDiscoveryPath = path.join(process.cwd(), "convex", "leadDiscovery.ts");
const leadDiscoverySource = readFileSync(leadDiscoveryPath, "utf8");

function hasPattern(source: string, pattern: RegExp) {
  return pattern.test(source);
}

function extractExportSource(name: string) {
  const marker = `export const ${name} = `;
  const declarationIndex = leadDiscoverySource.indexOf(marker);

  assert.notEqual(declarationIndex, -1, `Expected declaration for ${name}`);

  const openBraceIndex = leadDiscoverySource.indexOf("{", declarationIndex);
  let depth = 0;
  let end = -1;

  for (let index = openBraceIndex; index < leadDiscoverySource.length; index++) {
    const char = leadDiscoverySource[index];

    if (char === "{") {
      depth += 1;
    } else if (char === "}") {
      depth -= 1;
      if (depth === 0) {
        end = index;
        break;
      }
    }
  }

  assert.notEqual(end, -1, `Expected balanced braces for ${name}`);
  return leadDiscoverySource.slice(openBraceIndex, end + 1);
}

test("startCampaignRun checks active campaign runs via by_type_and_status", () => {
  const source = extractExportSource("startCampaignRun");

  assert.equal(
    hasPattern(
      source,
      /withIndex\(\s*"by_type_and_status"\s*,\s*\(q\)\s*=>[\s\S]*?q\.eq\("type",\s*"campaign"\)\.eq\("status",\s*"running"\),?[\s\S]*?\)/,
    ),
    true,
    "Campaign starts should only consider running campaign-type runs as blockers",
  );
});

test("persistDiscoveredLeads does not schedule website enrichment jobs directly", () => {
  const source = extractExportSource("persistDiscoveredLeads");

  assert.equal(
    source.includes("ctx.scheduler.runAfter"),
    false,
    "Lead persistence must not call runAfter",
  );
});

test("processCampaignRun schedules website enrichment after lead persistence", () => {
  const source = extractExportSource("processCampaignRun");

  const persistIndex = source.indexOf(
    "internal.leadDiscovery.persistDiscoveredLeads",
  );
  const queueCall = source.indexOf("internal.websiteEnrichment.queueLeadEnrichment");
  const eventMessageIndex = source.indexOf("Website-Kontaktanreicherung geplant.");

  assert.notEqual(persistIndex, -1, "processCampaignRun should persist discovered leads");
  assert.notEqual(queueCall, -1, "processCampaignRun should schedule website enrichment");
  assert.notEqual(eventMessageIndex, -1, "processCampaignRun should append enrichment schedule events");
  assert.ok(
    persistIndex < queueCall,
    "processCampaignRun should schedule enrichment after persistence succeeds",
  );
  assert.ok(
    queueCall < eventMessageIndex,
    "processCampaignRun should append enrichment event after scheduling",
  );
});