"""Tests for ContentIntelligenceService: rule-based content classification."""
import re

import pytest

from services.content_intelligence_service import (
    _COMPARISON_RE,
    _IMAGE_REF_RE,
    _LIST_RE,
    _METRIC_RE,
    _QUOTE_RE,
    _TABLE_RE,
    _TIMELINE_RE,
)


class TestMetricRegex:
    @pytest.mark.parametrize("text", [
        "$2.3M revenue",
        "45% growth",
        "1,200 units",
        "revenue grew 45%",
        "profit increased by $2M",
        "ROI of 340%",
        "CAGR 12%",
    ])
    def test_detects_metrics(self, text):
        assert _METRIC_RE.search(text), f"Failed to detect metric: {text}"

    @pytest.mark.parametrize("text", [
        "The cat sat on the mat",
        "We had a meeting yesterday",
    ])
    def test_rejects_non_metrics(self, text):
        assert not _METRIC_RE.search(text)


class TestQuoteRegex:
    def test_detects_quoted_text(self):
        text = '"Innovation is the ability to see change as an opportunity" — John Doe'
        assert _QUOTE_RE.search(text)

    def test_detects_smart_quotes(self):
        text = '\u201cThis is a quoted statement\u201d'
        assert _QUOTE_RE.search(text)

    def test_rejects_short_quotes(self):
        text = '"Hi"'
        assert not _QUOTE_RE.search(text)


class TestTableRegex:
    def test_detects_markdown_table(self):
        text = "| Name | Value |\n| --- | --- |\n| A | 1 |"
        assert _TABLE_RE.search(text)

    def test_rejects_non_table(self):
        text = "This is just normal text"
        assert not _TABLE_RE.search(text)


class TestTimelineRegex:
    @pytest.mark.parametrize("text", [
        "In 2023, we launched the product",
        "Q1 results were strong",
        "January 2024 earnings",
    ])
    def test_detects_timeline(self, text):
        assert _TIMELINE_RE.search(text)


class TestComparisonRegex:
    @pytest.mark.parametrize("text", [
        "Plan A vs. Plan B",
        "compared to last year",
        "in contrast to competitors",
        "on the other hand, they chose",
    ])
    def test_detects_comparison(self, text):
        assert _COMPARISON_RE.search(text)


class TestListRegex:
    def test_detects_bullet_list(self):
        text = "- Item one\n- Item two\n- Item three"
        matches = _LIST_RE.findall(text)
        assert len(matches) == 3

    def test_detects_asterisk_list(self):
        text = "* First\n* Second"
        assert _LIST_RE.search(text)


class TestImageRefRegex:
    @pytest.mark.parametrize("text", [
        "See figure 1 below",
        "see diagram for details",
        "image.png",
        "![alt text](photo.jpg)",
        "attached image shows",
    ])
    def test_detects_image_references(self, text):
        assert _IMAGE_REF_RE.search(text)