"""
LinkSyncServer - Query Engine Tests
"""

import pytest
from queries.parser import QueryParser, QuerySyntaxError
from queries.executor import execute_query


class TestQueryParser:
    def test_parse_simple_term(self):
        parser = QueryParser()
        result = parser.parse("example")
        assert result is not None
        assert result["operation"] == "TERM"
        assert result["value"] == "example"

    def test_parse_term_set(self):
        parser = QueryParser()
        result = parser.parse("term1,term2,term3")
        assert result is not None
        assert result["operation"] == "TERM_SET"
        assert result["value"] == ["term1", "term2", "term3"]

    def test_parse_or(self):
        parser = QueryParser()
        result = parser.parse("term1 OR term2")
        assert result is not None
        assert result["operation"] == "OR"
        assert len(result["operands"]) == 2

    def test_parse_and(self):
        parser = QueryParser()
        result = parser.parse("term1 AND term2")
        assert result is not None
        assert result["operation"] == "AND"

    def test_parse_xor(self):
        parser = QueryParser()
        result = parser.parse("term1 XOR term2")
        assert result is not None
        assert result["operation"] == "XOR"

    def test_parse_parentheses(self):
        parser = QueryParser()
        result = parser.parse("(term1 OR term2) AND term3")
        assert result is not None
        assert result["operation"] == "AND"

    def test_parse_field_filter(self):
        parser = QueryParser()
        result = parser.parse("url:example.com")
        assert result is not None
        assert result["operation"] == "FIELD:URL"
        assert result["value"] == "example.com"

    def test_parse_tag_filter(self):
        parser = QueryParser()
        result = parser.parse("tag:work")
        assert result is not None
        assert result["operation"] == "FIELD:TAG"
        assert result["value"] == "work"

    def test_parse_empty(self):
        parser = QueryParser()
        result = parser.parse("")
        assert result is None

    def test_parse_complex(self):
        parser = QueryParser()
        result = parser.parse("term1,term2 OR tag:work AND url:example.com")
        assert result is not None


class TestQueryExecutor:
    @pytest.fixture
    def sample_bookmarks(self):
        return [
            {
                "id": "1",
                "url": "https://example.com/work",
                "title": "Work Page",
                "description": "A work related page",
                "notes": "",
                "tags": ["work", "important"],
                "favicon_url": None,
                "path": "/Work",
                "visit_count": 5,
                "is_bookmarked": True,
            },
            {
                "id": "2",
                "url": "https://example.com/personal",
                "title": "Personal Blog",
                "description": "My personal blog",
                "notes": "",
                "tags": ["personal", "blog"],
                "favicon_url": None,
                "path": "/Personal",
                "visit_count": 2,
                "is_bookmarked": False,
            },
            {
                "id": "3",
                "url": "https://dev.example.com",
                "title": "Dev Resources",
                "description": "Development resources",
                "notes": "",
                "tags": ["work", "dev"],
                "favicon_url": None,
                "path": "/Dev",
                "visit_count": 10,
                "is_bookmarked": True,
            },
        ]

    def test_execute_term(self, sample_bookmarks):
        parsed = {"operation": "TERM", "value": "work"}
        results = execute_query(parsed, sample_bookmarks)
        assert len(results) >= 1
        assert any(r["id"] == "1" for r in results)

    def test_execute_field_url(self, sample_bookmarks):
        parsed = {"operation": "FIELD:URL", "value": "dev"}
        results = execute_query(parsed, sample_bookmarks)
        assert len(results) == 1
        assert results[0]["id"] == "3"

    def test_execute_field_tag(self, sample_bookmarks):
        parsed = {"operation": "FIELD:TAG", "value": "blog"}
        results = execute_query(parsed, sample_bookmarks)
        assert len(results) == 1
        assert results[0]["id"] == "2"

    def test_execute_or(self, sample_bookmarks):
        parsed = {
            "operation": "OR",
            "operands": [
                {"operation": "FIELD:TAG", "value": "blog"},
                {"operation": "FIELD:TAG", "value": "dev"},
            ],
        }
        results = execute_query(parsed, sample_bookmarks)
        assert len(results) == 2

    def test_execute_and(self, sample_bookmarks):
        parsed = {
            "operation": "AND",
            "operands": [
                {"operation": "TERM", "value": "dev"},
                {"operation": "FIELD:TAG", "value": "work"},
            ],
        }
        results = execute_query(parsed, sample_bookmarks)
        assert len(results) == 1
        assert results[0]["id"] == "3"

    def test_execute_empty(self):
        results = execute_query(None, [])
        assert results == []

    def test_execute_xor(self, sample_bookmarks):
        parsed = {
            "operation": "XOR",
            "operands": [
                {"operation": "TERM", "value": "work"},
                {"operation": "TERM", "value": "personal"},
            ],
        }
        results = execute_query(parsed, sample_bookmarks)
        assert len(results) >= 1