"""Scout selection regressions from the 2026-09-11 review (F11 onwards).

These are the cases where a bug silently removed or mis-ranked a role *before* any human
judgement happened, which is the expensive kind: a job that never reaches the report cannot
be evaluated at all.
"""
from __future__ import annotations

import sys
import unittest
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT / "job_scout"))

import scout  # noqa: E402


def process(jobs, cid="acme", display="Acme"):
    results, stat, warnings = scout._process_company(
        cid, display, {}, jobs, {}, "2026-09-11", {})
    return results, stat, warnings


class RequisitionDedupeTests(unittest.TestCase):
    """F11: title is not identity."""

    def test_two_requisitions_sharing_a_title_both_survive(self):
        jobs = [
            {"id": "R-1", "title": "Senior Data Engineer",
             "location": "Bern, Switzerland", "url": "https://acme.example/jobs/R-1"},
            {"id": "R-2", "title": "Senior Data Engineer",
             "location": "Zurich, Switzerland", "url": "https://acme.example/jobs/R-2"},
        ]
        results, _, warnings = process(jobs)
        self.assertEqual(2, len(results), "a different requisition must never be dropped")
        self.assertTrue(any("title(s) shared by different requisitions" in message
                            for _, message in warnings),
                        "the collision should be reported, not silently resolved")

    def test_same_requisition_republished_per_location_is_merged(self):
        jobs = [
            {"id": "R-9", "title": "Platform Engineer | Switzerland | Remote",
             "location": "Bern, Switzerland", "url": "https://acme.example/jobs/R-9"},
            {"id": "R-9", "title": "Platform Engineer | Germany | Remote",
             "location": "Munich, Germany", "url": "https://acme.example/jobs/R-9"},
        ]
        results, _, _ = process(jobs)
        self.assertEqual(1, len(results), "one requisition should stay one row")
        self.assertIn("Bern", results[0]["location"])

    def test_distinct_titles_are_unaffected(self):
        jobs = [
            {"id": "A", "title": "Data Engineer", "location": "Bern, Switzerland",
             "url": "https://acme.example/jobs/A"},
            {"id": "B", "title": "Platform Engineer", "location": "Bern, Switzerland",
             "url": "https://acme.example/jobs/B"},
        ]
        results, _, warnings = process(jobs)
        self.assertEqual(2, len(results))
        self.assertEqual([], [m for _, m in warnings if "title(s) shared" in m])


if __name__ == "__main__":
    unittest.main()