"""Unit tests for the job-profile helpers in job/job_post/plugins.py — pure functions only."""

from __future__ import annotations

from job.job_post import plugins


# ---------------------------------------------------------------- suggested_source

def test_inbox_score_is_email_sourced_even_with_a_candidates_row():
    assert plugins.suggested_source(42, None, "upload") == "inbox"


def test_form_score_is_form_sourced():
    assert plugins.suggested_source(None, "f-1", None) == "form"


def test_upload_score_uses_the_candidates_row_source():
    assert plugins.suggested_source(None, None, "bank") == "bank"
    assert plugins.suggested_source(None, None, None) == "upload"
    assert plugins.suggested_source(None, None, "  ") == "upload"


# ---------------------------------------------------------------- optional_skill_hits

def test_exact_match_ignores_case_and_punctuation():
    assert plugins.optional_skill_hits(["FMCG Background", "Arabic"], ["fmcg-background"]) == ["FMCG Background"]


def test_keyword_inside_skill_counts_on_word_boundaries():
    assert plugins.optional_skill_hits(["CRM (Salesforce)"], ["Salesforce"]) == ["CRM (Salesforce)"]


def test_skill_inside_keyword_counts():
    assert plugins.optional_skill_hits(["Arabic"], ["Arabic language"]) == ["Arabic"]


def test_partial_words_do_not_count():
    assert plugins.optional_skill_hits(["Java"], ["JavaScript"]) == []


def test_hits_keep_job_order_and_skip_duplicates():
    hits = plugins.optional_skill_hits(["Travel", "Arabic", "Arabic"], ["arabic", "travel"])
    assert hits == ["Travel", "Arabic"]


def test_no_optional_skills_or_keywords_is_empty():
    assert plugins.optional_skill_hits([], ["Python"]) == []
    assert plugins.optional_skill_hits(["Python"], None) == []


# ---------------------------------------------------------------- suggested_summary

def test_summary_counts_bands_and_top_match():
    candidates = [
        {"band": "Strong Match", "match_score": 91},
        {"band": "Strong Match", "match_score": 85},
        {"band": "Potential Match", "match_score": 70},
        {"band": "Weak Match", "match_score": 40},
        {"band": None, "match_score": None},
    ]
    summary = plugins.suggested_summary(candidates)
    assert summary["suggested"] == 5
    assert summary["top_match"] == 2
    assert summary["top_score"] == 91
    assert summary["bands"] == {"Strong Match": 2, "Potential Match": 1, "Weak Match": 1}


def test_empty_summary():
    assert plugins.suggested_summary([]) == {
        "suggested": 0,
        "top_match": 0,
        "top_score": None,
        "bands": {"Strong Match": 0, "Potential Match": 0, "Weak Match": 0},
    }