#include <catch2/catch_test_macros.hpp>
#include "enrichers/enrichers.h"

using namespace enrichers;

// ── is_likely_email ─────────────────────────────────────────────────────────

TEST_CASE("is_likely_email: valid emails", "[enrichers]") {
  CHECK(is_likely_email("info@example.com"));
  CHECK(is_likely_email("john.doe@company.co.uk"));
  CHECK(is_likely_email("contact@recycling-firm.de"));
  CHECK(is_likely_email("hello@my-domain.org"));
}

TEST_CASE("is_likely_email: rejects non-emails", "[enrichers]") {
  CHECK_FALSE(is_likely_email(""));
  CHECK_FALSE(is_likely_email("not-an-email"));
  CHECK_FALSE(is_likely_email("@no-user.com"));
  CHECK_FALSE(is_likely_email("user@"));
}

TEST_CASE("is_likely_email: rejects asset extensions", "[enrichers]") {
  CHECK_FALSE(is_likely_email("logo@site.png"));
  CHECK_FALSE(is_likely_email("icon@site.svg"));
  CHECK_FALSE(is_likely_email("style@site.css"));
  CHECK_FALSE(is_likely_email("script@site.js"));
  CHECK_FALSE(is_likely_email("photo@site.jpg"));
  CHECK_FALSE(is_likely_email("photo@site.webp"));
}

TEST_CASE("is_likely_email: rejects placeholder/hash patterns", "[enrichers]") {
  CHECK_FALSE(is_likely_email("user@example.com"));
  CHECK_FALSE(is_likely_email("test@test.com"));
  CHECK_FALSE(is_likely_email("a3f2b@hash.com"));
  CHECK_FALSE(is_likely_email("your@email.com"));
  CHECK_FALSE(is_likely_email("email@email.com"));
  CHECK_FALSE(is_likely_email("name@domain.com"));
}

// ── extract_emails ──────────────────────────────────────────────────────────

TEST_CASE("extract_emails: finds emails in text", "[enrichers]") {
  auto emails = extract_emails("Contact us at info@example.org or sales@company.com");
  CHECK(emails.size() >= 2);

  bool found_info = false, found_sales = false;
  for (auto& e : emails) {
    if (e == "info@example.org") found_info = true;
    if (e == "sales@company.com") found_sales = true;
  }
  CHECK(found_info);
  CHECK(found_sales);
}

TEST_CASE("extract_emails: deduplicates", "[enrichers]") {
  auto emails = extract_emails("info@acme.org info@acme.org info@acme.org");
  CHECK(emails.size() == 1);
}

TEST_CASE("extract_emails: empty text returns empty", "[enrichers]") {
  auto emails = extract_emails("");
  CHECK(emails.empty());
}

TEST_CASE("extract_emails: filters out asset emails", "[enrichers]") {
  auto emails = extract_emails("logo@site.png info@real-company.de");
  CHECK(emails.size() == 1);
  CHECK(emails[0] == "info@real-company.de");
}

// ── resolve_url ─────────────────────────────────────────────────────────────

TEST_CASE("resolve_url: absolute stays absolute", "[enrichers]") {
  CHECK(resolve_url("https://example.com", "https://other.com/page") == "https://other.com/page");
}

TEST_CASE("resolve_url: relative path", "[enrichers]") {
  auto r = resolve_url("https://example.com/page", "/contact");
  CHECK(r == "https://example.com/contact");
}

TEST_CASE("resolve_url: protocol-relative", "[enrichers]") {
  auto r = resolve_url("https://example.com", "//other.com/foo");
  CHECK(r == "https://other.com/foo");
}

TEST_CASE("resolve_url: relative without slash", "[enrichers]") {
  auto r = resolve_url("https://example.com/dir/page", "about.html");
  CHECK(r == "https://example.com/dir/about.html");
}

// ── status_string ───────────────────────────────────────────────────────────

TEST_CASE("status_string: covers all statuses", "[enrichers]") {
  CHECK(std::string(status_string(EnrichStatus::OK)) == "OK");
  CHECK(std::string(status_string(EnrichStatus::NO_EMAIL)) == "NO_EMAIL");
  CHECK(std::string(status_string(EnrichStatus::META_TIMEOUT)) == "META_TIMEOUT");
  CHECK(std::string(status_string(EnrichStatus::EMAIL_TIMEOUT)) == "EMAIL_TIMEOUT");
  CHECK(std::string(status_string(EnrichStatus::FETCH_ERROR)) == "FETCH_ERROR");
  CHECK(std::string(status_string(EnrichStatus::NO_PAGES)) == "NO_PAGES");
  CHECK(std::string(status_string(EnrichStatus::ERROR)) == "ERROR");
}

// ── EnrichConfig defaults ───────────────────────────────────────────────────

TEST_CASE("EnrichConfig: default values", "[enrichers]") {
  EnrichConfig cfg;
  CHECK(cfg.meta_timeout_ms == 20000);
  CHECK(cfg.email_timeout_ms == 30000);
  CHECK(cfg.email_page_timeout_ms == 10000);
  CHECK(cfg.email_max_pages == 8);
  CHECK(cfg.email_abort_after == 1);
  CHECK_FALSE(cfg.contact_patterns.empty());
  CHECK_FALSE(cfg.probe_paths.empty());
}