from pathlib import PurePosixPath

import pytest

from personal_mcp.registry.models.registry import DocsRegistry
from personal_mcp.registry.models.registry import PromptRecord
from personal_mcp.registry.models.registry import PromptSummaryRecord
from personal_mcp.registry.read import read_docs_markdown_path
from personal_mcp.registry.read import read_prompt_document

pytestmark = pytest.mark.unit


def _make_registry() -> DocsRegistry:
    prompt_path = PurePosixPath("prompts/demo-prompt/PROMPT.md")
    index_path = PurePosixPath("index.md")
    prompt = PromptRecord(
        prompt_id="demo-prompt",
        name="demo-prompt",
        description="demo prompt",
        version="1.0.0",
        tags=("testing",),
        capabilities=("resource://prompts/demo-prompt/document",),
        arguments={},
        document_uri="resource://prompts/demo-prompt/document",
        document_relpath=prompt_path,
        document_content="# prompt",
    )
    return DocsRegistry(
        docs_markdown_by_path={index_path: "# index"},
        docs_markdown_path_index=(index_path,),
        prompts_by_id={prompt.prompt_id: prompt},
        prompts_in_load_order=(prompt.prompt_id,),
        prompts_summary_in_load_order=(PromptSummaryRecord.from_record(prompt),),
        tag_to_prompt_ids={"testing": (prompt.prompt_id,)},
    )


def test_reads_docs_path_from_string_boundary() -> None:
    payload = read_docs_markdown_path(_make_registry(), "index.md")

    assert payload == {
        "uri": "resource://docs/index.md",
        "format": "markdown",
        "source_path": "docs/index.md",
        "content": "# index",
    }


def test_rejects_non_posix_docs_path() -> None:
    with pytest.raises(ValueError, match="POSIX separators"):
        read_docs_markdown_path(_make_registry(), "skills\\demo\\SKILL.md")


def test_serializes_record_paths_in_document_payloads() -> None:
    registry = _make_registry()

    assert read_prompt_document(registry, "demo-prompt")["source_path"] == ("docs/prompts/demo-prompt/PROMPT.md")