from datetime import datetime

from web.email_templates import render_job_alert_email


def test_render_job_alert_email_with_jobs():
    jobs = [
        {
            "title": "Python Developer",
            "company": "Acme",
            "location": "Remote",
            "url": "https://example.com/jobs/1",
        },
        {
            "title": "Data Engineer",
            "company": "Globex",
            "location": "NYC",
            "url": "https://example.com/jobs/2",
        },
    ]
    ts = datetime(2025, 11, 3, 12, 0)
    rendered = render_job_alert_email(
        jobs, region="sfbay", keyword="python", generated_at=ts)

    assert rendered["subject"] == "2 new jobs (region: sfbay, keyword: python)"
    assert "1. Python Developer" in rendered["body"]
    assert "Generated at 2025-11-03 12:00 UTC." in rendered["body"]
    assert rendered["context"]["count"] == 2
    assert rendered["context"]["jobs_section"].startswith(
        "\n1. Python Developer")


def test_render_job_alert_email_empty():
    ts = datetime(2025, 11, 3, 12, 0)
    rendered = render_job_alert_email([], generated_at=ts)

    assert rendered["subject"] == "No new jobs"
    assert "No jobs matched this alert." in rendered["body"]
    assert rendered["body"].count("Generated at") == 1
    assert rendered["context"]["count"] == 0