"""Test permalink formatting during sync."""

from pathlib import Path

import pytest

from basic_memory.config import ProjectConfig
from basic_memory.services import EntityService
from basic_memory.sync.sync_service import SyncService
from basic_memory.utils import build_canonical_permalink, generate_permalink
from basic_memory.workspace_context import workspace_permalink_context


async def create_test_file(path: Path, content: str = "test content") -> None:
    """Create a test file with given content."""
    path.parent.mkdir(parents=True, exist_ok=True)
    path.write_text(content)


@pytest.mark.asyncio
async def test_permalink_formatting(
    sync_service: SyncService, project_config: ProjectConfig, entity_service: EntityService
):
    """Test that permalinks are properly formatted during sync.

    This ensures:
    - Underscores are converted to hyphens
    - Spaces are converted to hyphens
    - Mixed case is lowercased
    - Directory structure is preserved
    - Multiple directories work correctly
    """
    project_dir = project_config.home

    # Test cases with different filename formats
    test_cases = [
        # filename -> expected permalink
        ("my_awesome_feature.md", "my-awesome-feature"),
        ("MIXED_CASE_NAME.md", "mixed-case-name"),
        ("spaces and_underscores.md", "spaces-and-underscores"),
        ("design/model_refactor.md", "design/model-refactor"),
        (
            "test/multiple_word_directory/feature_name.md",
            "test/multiple-word-directory/feature-name",
        ),
    ]

    # Create test files
    for filename, _ in test_cases:
        content = """
---
type: knowledge
created: 2024-01-01
modified: 2024-01-01
---
# Test File

Testing permalink generation.
"""
        await create_test_file(project_dir / filename, content)

    # Run sync
    await sync_service.sync(project_config.home)

    # Verify permalinks - with project-prefixed permalinks enabled,
    # auto-generated permalinks include the project slug prefix
    project_prefix = generate_permalink(project_config.name)
    for filename, expected_permalink in test_cases:
        entity = await entity_service.repository.get_by_file_path(filename)
        expected_full = f"{project_prefix}/{expected_permalink}"
        assert entity.permalink == expected_full, (
            f"File {filename} should have permalink {expected_full}"
        )


@pytest.mark.parametrize(
    "input_path, expected",
    [
        ("test/Über File.md", "test/uber-file"),
        ("docs/résumé.md", "docs/resume"),
        ("notes/Déjà vu.md", "notes/deja-vu"),
        ("papers/Jürgen's Findings.md", "papers/jurgens-findings"),
        ("archive/François Müller.md", "archive/francois-muller"),
        ("research/Søren Kierkegård.md", "research/soren-kierkegard"),
        ("articles/El Niño.md", "articles/el-nino"),
        ("ArticlesElNiño.md", "articles-el-nino"),
        ("articleselniño.md", "articleselnino"),
        ("articles-El-Niño.md", "articles-el-nino"),
    ],
)
def test_latin_accents_transliteration(input_path, expected):
    """Test that Latin letters with accents are properly transliterated."""
    assert generate_permalink(input_path) == expected


@pytest.mark.parametrize(
    "input_path, expected",
    [
        ("中文/测试文档.md", "中文/测试文档"),
        ("notes/北京市.md", "notes/北京市"),
        ("research/上海简介.md", "research/上海简介"),
        ("docs/中文 English Mixed.md", "docs/中文-english-mixed"),
        ("articles/东京Tokyo混合.md", "articles/东京-tokyo-混合"),
        ("papers/汉字_underscore_test.md", "papers/汉字-underscore-test"),
        ("projects/中文CamelCase测试.md", "projects/中文-camel-case-测试"),
    ],
)
def test_chinese_character_preservation(input_path, expected):
    """Test that Chinese characters are preserved in permalinks."""
    assert generate_permalink(input_path) == expected


@pytest.mark.parametrize(
    "input_path, expected",
    [
        ("mixed/北京Café.md", "mixed/北京-cafe"),
        ("notes/东京Tōkyō.md", "notes/东京-tokyo"),
        ("research/München中文.md", "research/munchen-中文"),
        ("docs/Über测试.md", "docs/uber-测试"),
        ("complex/北京Beijing上海Shanghai.md", "complex/北京-beijing-上海-shanghai"),
        ("special/中文!@#$%^&*()_+.md", "special/中文"),
        ("punctuation/你好，世界!.md", "punctuation/你好世界"),
    ],
)
def test_mixed_character_sets(input_path, expected):
    """Test handling of mixed character sets and edge cases."""
    assert generate_permalink(input_path) == expected


def test_build_canonical_permalink_prefixes_same_workspace_and_project_slug():
    """Workspace and project slugs may be equal but remain distinct permalink segments."""
    assert (
        build_canonical_permalink(
            "acme",
            "notes/foo.md",
            workspace_permalink="acme",
        )
        == "acme/acme/notes/foo"
    )


def test_build_canonical_permalink_preserves_complete_workspace_prefix():
    """Already workspace-qualified canonical paths should not gain duplicate prefixes."""
    assert (
        build_canonical_permalink(
            "main",
            "team-paul/main/notes/foo.md",
            workspace_permalink="team-paul",
        )
        == "team-paul/main/notes/foo"
    )


def test_build_canonical_permalink_workspace_prefix_ignores_project_prefix_flag():
    """Organization workspace canonical permalinks always include workspace and project."""
    assert (
        build_canonical_permalink(
            "main",
            "notes/foo.md",
            include_project=False,
            workspace_permalink="team-paul",
        )
        == "team-paul/main/notes/foo"
    )


@pytest.mark.asyncio
async def test_entity_service_workspace_permalink_uses_project_when_prefixes_disabled(
    entity_service: EntityService,
    project_config: ProjectConfig,
):
    """Workspace note creation uses complete canonical shape even without local project prefixes."""
    assert entity_service.app_config is not None
    entity_service.app_config.permalinks_include_project = False

    with workspace_permalink_context("team-paul", "organization"):
        permalink = await entity_service.resolve_permalink("team/no-project-prefix-service.md")

    project_permalink = generate_permalink(project_config.name)
    assert permalink == f"team-paul/{project_permalink}/team/no-project-prefix-service"