"""Tests for skip_llms_txt configuration option.

This config option allows users to explicitly skip llms.txt detection and fetching,
which is useful when:
- A site's llms.txt is incomplete or incorrect
- You need specific pages not in llms.txt
- You want to force HTML scraping
"""

import os
import tempfile
import unittest
from unittest.mock import patch

from skill_seekers.cli.doc_scraper import DocToSkillConverter


class TestSkipLlmsTxtConfig(unittest.TestCase):
    """Test skip_llms_txt configuration option."""

    def test_default_skip_llms_txt_is_false(self):
        """Test that skip_llms_txt defaults to False when not specified."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
        }

        converter = DocToSkillConverter(config, dry_run=True)
        self.assertFalse(converter.skip_llms_txt)

    def test_skip_llms_txt_can_be_set_true(self):
        """Test that skip_llms_txt can be explicitly set to True."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": True,
        }

        converter = DocToSkillConverter(config, dry_run=True)
        self.assertTrue(converter.skip_llms_txt)

    def test_skip_llms_txt_can_be_set_false(self):
        """Test that skip_llms_txt can be explicitly set to False."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": False,
        }

        converter = DocToSkillConverter(config, dry_run=True)
        self.assertFalse(converter.skip_llms_txt)


class TestSkipLlmsTxtSyncBehavior(unittest.TestCase):
    """Test skip_llms_txt behavior in sync scraping mode."""

    def test_llms_txt_tried_when_not_skipped(self):
        """Test that _try_llms_txt is called when skip_llms_txt is False."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": False,
        }

        original_cwd = os.getcwd()
        with tempfile.TemporaryDirectory() as tmpdir:
            try:
                os.chdir(tmpdir)
                converter = DocToSkillConverter(config, dry_run=False)

                with (
                    patch.object(converter, "_try_llms_txt", return_value=False) as mock_try,
                    patch.object(converter, "scrape_page"),
                    patch.object(converter, "save_summary"),
                ):
                    converter.scrape_all()
                    mock_try.assert_called_once()
            finally:
                os.chdir(original_cwd)

    def test_llms_txt_skipped_when_skip_true(self):
        """Test that _try_llms_txt is NOT called when skip_llms_txt is True."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": True,
        }

        original_cwd = os.getcwd()
        with tempfile.TemporaryDirectory() as tmpdir:
            try:
                os.chdir(tmpdir)
                converter = DocToSkillConverter(config, dry_run=False)

                with (
                    patch.object(converter, "_try_llms_txt") as mock_try,
                    patch.object(converter, "scrape_page"),
                    patch.object(converter, "save_summary"),
                ):
                    converter.scrape_all()
                    mock_try.assert_not_called()
            finally:
                os.chdir(original_cwd)

    def test_llms_txt_skipped_in_dry_run_mode(self):
        """Test that _try_llms_txt is NOT called in dry-run mode regardless of skip setting."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": False,  # Even when False
        }

        original_cwd = os.getcwd()
        with tempfile.TemporaryDirectory() as tmpdir:
            try:
                os.chdir(tmpdir)
                converter = DocToSkillConverter(config, dry_run=True)

                with (
                    patch.object(converter, "_try_llms_txt") as mock_try,
                    patch.object(converter, "save_summary"),
                ):
                    converter.scrape_all()
                    mock_try.assert_not_called()
            finally:
                os.chdir(original_cwd)


class TestSkipLlmsTxtAsyncBehavior(unittest.TestCase):
    """Test skip_llms_txt behavior in async scraping mode."""

    def test_async_llms_txt_tried_when_not_skipped(self):
        """Test that _try_llms_txt is called in async mode when skip_llms_txt is False."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "async_mode": True,
            "skip_llms_txt": False,
        }

        original_cwd = os.getcwd()
        with tempfile.TemporaryDirectory() as tmpdir:
            try:
                os.chdir(tmpdir)
                converter = DocToSkillConverter(config, dry_run=False)

                with (
                    patch.object(converter, "_try_llms_txt", return_value=False) as mock_try,
                    patch.object(converter, "scrape_page_async", return_value=None),
                    patch.object(converter, "save_summary"),
                ):
                    converter.scrape_all()
                    mock_try.assert_called_once()
            finally:
                os.chdir(original_cwd)

    def test_async_llms_txt_skipped_when_skip_true(self):
        """Test that _try_llms_txt is NOT called in async mode when skip_llms_txt is True."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "async_mode": True,
            "skip_llms_txt": True,
        }

        original_cwd = os.getcwd()
        with tempfile.TemporaryDirectory() as tmpdir:
            try:
                os.chdir(tmpdir)
                converter = DocToSkillConverter(config, dry_run=False)

                with (
                    patch.object(converter, "_try_llms_txt") as mock_try,
                    patch.object(converter, "scrape_page_async", return_value=None),
                    patch.object(converter, "save_summary"),
                ):
                    converter.scrape_all()
                    mock_try.assert_not_called()
            finally:
                os.chdir(original_cwd)


class TestSkipLlmsTxtWithRealConfig(unittest.TestCase):
    """Test skip_llms_txt with real-world config patterns."""

    def test_telegram_bots_config_pattern(self):
        """Test the telegram-bots config pattern which uses skip_llms_txt."""
        config = {
            "name": "telegram-bots",
            "description": "Telegram bot documentation",
            "base_url": "https://core.telegram.org/bots",
            "skip_llms_txt": True,  # Telegram doesn't have useful llms.txt
            "start_urls": [
                "https://core.telegram.org/bots",
                "https://core.telegram.org/bots/api",
            ],
            "selectors": {
                "main_content": "#dev_page_content, main, article",
                "title": "h1, title",
                "code_blocks": "pre code, pre",
            },
        }

        converter = DocToSkillConverter(config, dry_run=True)
        self.assertTrue(converter.skip_llms_txt)
        self.assertEqual(converter.name, "telegram-bots")

    def test_skip_llms_txt_with_multiple_start_urls(self):
        """Test skip_llms_txt works correctly with multiple start URLs."""
        config = {
            "name": "test-multi",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": True,
            "start_urls": [
                "https://example.com/docs/",
                "https://example.com/api/",
                "https://example.com/guide/",
            ],
        }

        converter = DocToSkillConverter(config, dry_run=True)
        self.assertTrue(converter.skip_llms_txt)
        # start_urls are stored in pending_urls deque
        self.assertEqual(len(converter.pending_urls), 3)


class TestSkipLlmsTxtEdgeCases(unittest.TestCase):
    """Test edge cases for skip_llms_txt."""

    def test_skip_llms_txt_with_int_zero_logs_warning(self):
        """Test that integer 0 logs warning and defaults to False."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": 0,  # Invalid type
        }

        with self.assertLogs("skill_seekers.cli.doc_scraper", level="WARNING") as cm:
            converter = DocToSkillConverter(config, dry_run=True)
            self.assertFalse(converter.skip_llms_txt)
            self.assertTrue(any("Invalid value" in log and "0" in log for log in cm.output))

    def test_skip_llms_txt_with_int_one_logs_warning(self):
        """Test that integer 1 logs warning and defaults to False."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": 1,  # Invalid type
        }

        with self.assertLogs("skill_seekers.cli.doc_scraper", level="WARNING") as cm:
            converter = DocToSkillConverter(config, dry_run=True)
            self.assertFalse(converter.skip_llms_txt)
            self.assertTrue(any("Invalid value" in log and "1" in log for log in cm.output))

    def test_skip_llms_txt_with_string_logs_warning(self):
        """Test that string values log warning and default to False."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": "true",  # Invalid type
        }

        with self.assertLogs("skill_seekers.cli.doc_scraper", level="WARNING") as cm:
            converter = DocToSkillConverter(config, dry_run=True)
            self.assertFalse(converter.skip_llms_txt)
            self.assertTrue(any("Invalid value" in log and "true" in log for log in cm.output))

    def test_skip_llms_txt_with_none_logs_warning(self):
        """Test that None logs warning and defaults to False."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": None,  # Invalid type
        }

        with self.assertLogs("skill_seekers.cli.doc_scraper", level="WARNING") as cm:
            converter = DocToSkillConverter(config, dry_run=True)
            self.assertFalse(converter.skip_llms_txt)
            self.assertTrue(any("Invalid value" in log and "None" in log for log in cm.output))

    def test_scraping_proceeds_when_llms_txt_skipped(self):
        """Test that HTML scraping proceeds normally when llms.txt is skipped."""
        config = {
            "name": "test",
            "base_url": "https://example.com/",
            "selectors": {"main_content": "article"},
            "skip_llms_txt": True,
        }

        original_cwd = os.getcwd()
        with tempfile.TemporaryDirectory() as tmpdir:
            try:
                os.chdir(tmpdir)
                converter = DocToSkillConverter(config, dry_run=False)

                # Track if scrape_page was called
                scrape_called = []

                def mock_scrape(url):
                    scrape_called.append(url)
                    return None

                with (
                    patch.object(converter, "scrape_page", side_effect=mock_scrape),
                    patch.object(converter, "save_summary"),
                ):
                    converter.scrape_all()
                    # Should have attempted to scrape the base URL
                    self.assertTrue(len(scrape_called) > 0)
            finally:
                os.chdir(original_cwd)


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