"""Tests for project registry resolution and refresh behavior."""

import json

import atocore.config as config
from atocore.projects.registry import (
    build_project_registration_proposal,
    get_registered_project,
    get_project_registry_template,
    list_registered_projects,
    register_project,
    refresh_registered_project,
)


def test_project_registry_lists_projects_with_resolved_roots(tmp_path, monkeypatch):
    vault_dir = tmp_path / "vault"
    drive_dir = tmp_path / "drive"
    config_dir = tmp_path / "config"
    vault_dir.mkdir()
    drive_dir.mkdir()
    config_dir.mkdir()
    (vault_dir / "incoming" / "projects" / "p04-gigabit").mkdir(parents=True)

    registry_path = config_dir / "project-registry.json"
    registry_path.write_text(
        json.dumps(
            {
                "projects": [
                    {
                        "id": "p04-gigabit",
                        "aliases": ["p04", "gigabit"],
                        "description": "P04 docs",
                        "ingest_roots": [
                            {
                                "source": "vault",
                                "subpath": "incoming/projects/p04-gigabit",
                                "label": "P04 staged docs",
                            }
                        ],
                    }
                ]
            }
        ),
        encoding="utf-8",
    )

    monkeypatch.setenv("ATOCORE_VAULT_SOURCE_DIR", str(vault_dir))
    monkeypatch.setenv("ATOCORE_DRIVE_SOURCE_DIR", str(drive_dir))
    monkeypatch.setenv("ATOCORE_PROJECT_REGISTRY_PATH", str(registry_path))

    original_settings = config.settings
    try:
        config.settings = config.Settings()
        projects = list_registered_projects()
    finally:
        config.settings = original_settings

    assert len(projects) == 1
    assert projects[0]["id"] == "p04-gigabit"
    assert projects[0]["ingest_roots"][0]["exists"] is True


def test_project_registry_resolves_alias(tmp_path, monkeypatch):
    vault_dir = tmp_path / "vault"
    drive_dir = tmp_path / "drive"
    config_dir = tmp_path / "config"
    vault_dir.mkdir()
    drive_dir.mkdir()
    config_dir.mkdir()

    registry_path = config_dir / "project-registry.json"
    registry_path.write_text(
        json.dumps(
            {
                "projects": [
                    {
                        "id": "p05-interferometer",
                        "aliases": ["p05", "interferometer"],
                        "ingest_roots": [
                            {"source": "vault", "subpath": "incoming/projects/p05-interferometer"}
                        ],
                    }
                ]
            }
        ),
        encoding="utf-8",
    )

    monkeypatch.setenv("ATOCORE_VAULT_SOURCE_DIR", str(vault_dir))
    monkeypatch.setenv("ATOCORE_DRIVE_SOURCE_DIR", str(drive_dir))
    monkeypatch.setenv("ATOCORE_PROJECT_REGISTRY_PATH", str(registry_path))

    original_settings = config.settings
    try:
        config.settings = config.Settings()
        project = get_registered_project("p05")
    finally:
        config.settings = original_settings

    assert project is not None
    assert project.project_id == "p05-interferometer"


def test_refresh_registered_project_ingests_registered_roots(tmp_path, monkeypatch):
    vault_dir = tmp_path / "vault"
    drive_dir = tmp_path / "drive"
    config_dir = tmp_path / "config"
    project_dir = vault_dir / "incoming" / "projects" / "p06-polisher"
    project_dir.mkdir(parents=True)
    drive_dir.mkdir()
    config_dir.mkdir()

    registry_path = config_dir / "project-registry.json"
    registry_path.write_text(
        json.dumps(
            {
                "projects": [
                    {
                        "id": "p06-polisher",
                        "aliases": ["p06", "polisher"],
                        "description": "P06 docs",
                        "ingest_roots": [
                            {"source": "vault", "subpath": "incoming/projects/p06-polisher"}
                        ],
                    }
                ]
            }
        ),
        encoding="utf-8",
    )

    calls = []

    def fake_ingest_folder(path, purge_deleted=True):
        calls.append((str(path), purge_deleted))
        return [{"file": str(path / "README.md"), "status": "ingested"}]

    monkeypatch.setenv("ATOCORE_VAULT_SOURCE_DIR", str(vault_dir))
    monkeypatch.setenv("ATOCORE_DRIVE_SOURCE_DIR", str(drive_dir))
    monkeypatch.setenv("ATOCORE_PROJECT_REGISTRY_PATH", str(registry_path))

    original_settings = config.settings
    try:
        config.settings = config.Settings()
        monkeypatch.setattr("atocore.projects.registry.ingest_folder", fake_ingest_folder)
        result = refresh_registered_project("polisher")
    finally:
        config.settings = original_settings

    assert result["project"] == "p06-polisher"
    assert len(calls) == 1
    assert calls[0][0].endswith("p06-polisher")
    assert calls[0][1] is False
    assert result["roots"][0]["status"] == "ingested"


def test_project_registry_template_has_expected_shape():
    template = get_project_registry_template()
    assert "projects" in template
    assert template["projects"][0]["id"] == "p07-example"
    assert template["projects"][0]["ingest_roots"][0]["source"] == "vault"


def test_project_registry_rejects_alias_collision(tmp_path, monkeypatch):
    vault_dir = tmp_path / "vault"
    drive_dir = tmp_path / "drive"
    config_dir = tmp_path / "config"
    vault_dir.mkdir()
    drive_dir.mkdir()
    config_dir.mkdir()

    registry_path = config_dir / "project-registry.json"
    registry_path.write_text(
        json.dumps(
            {
                "projects": [
                    {
                        "id": "p04-gigabit",
                        "aliases": ["shared"],
                        "ingest_roots": [
                            {"source": "vault", "subpath": "incoming/projects/p04-gigabit"}
                        ],
                    },
                    {
                        "id": "p05-interferometer",
                        "aliases": ["shared"],
                        "ingest_roots": [
                            {"source": "vault", "subpath": "incoming/projects/p05-interferometer"}
                        ],
                    },
                ]
            }
        ),
        encoding="utf-8",
    )

    monkeypatch.setenv("ATOCORE_VAULT_SOURCE_DIR", str(vault_dir))
    monkeypatch.setenv("ATOCORE_DRIVE_SOURCE_DIR", str(drive_dir))
    monkeypatch.setenv("ATOCORE_PROJECT_REGISTRY_PATH", str(registry_path))

    original_settings = config.settings
    try:
        config.settings = config.Settings()
        try:
            list_registered_projects()
        except ValueError as exc:
            assert "collision" in str(exc)
        else:
            raise AssertionError("Expected project registry collision to raise")
    finally:
        config.settings = original_settings


def test_project_registration_proposal_normalizes_and_resolves_paths(tmp_path, monkeypatch):
    vault_dir = tmp_path / "vault"
    drive_dir = tmp_path / "drive"
    config_dir = tmp_path / "config"
    staged = vault_dir / "incoming" / "projects" / "p07-example"
    staged.mkdir(parents=True)
    drive_dir.mkdir()
    config_dir.mkdir()
    registry_path = config_dir / "project-registry.json"
    registry_path.write_text(json.dumps({"projects": []}), encoding="utf-8")

    monkeypatch.setenv("ATOCORE_VAULT_SOURCE_DIR", str(vault_dir))
    monkeypatch.setenv("ATOCORE_DRIVE_SOURCE_DIR", str(drive_dir))
    monkeypatch.setenv("ATOCORE_PROJECT_REGISTRY_PATH", str(registry_path))

    original_settings = config.settings
    try:
        config.settings = config.Settings()
        proposal = build_project_registration_proposal(
            project_id="p07-example",
            aliases=["p07", "example-project", "p07"],
            description="Example project",
            ingest_roots=[
                {
                    "source": "vault",
                    "subpath": "incoming/projects/p07-example",
                    "label": "Primary docs",
                }
            ],
        )
    finally:
        config.settings = original_settings

    assert proposal["project"]["aliases"] == ["p07", "example-project"]
    assert proposal["resolved_ingest_roots"][0]["exists"] is True
    assert proposal["valid"] is True


def test_project_registration_proposal_reports_collisions(tmp_path, monkeypatch):
    vault_dir = tmp_path / "vault"
    drive_dir = tmp_path / "drive"
    config_dir = tmp_path / "config"
    vault_dir.mkdir()
    drive_dir.mkdir()
    config_dir.mkdir()
    registry_path = config_dir / "project-registry.json"
    registry_path.write_text(
        json.dumps(
            {
                "projects": [
                    {
                        "id": "p05-interferometer",
                        "aliases": ["p05", "interferometer"],
                        "ingest_roots": [
                            {"source": "vault", "subpath": "incoming/projects/p05-interferometer"}
                        ],
                    }
                ]
            }
        ),
        encoding="utf-8",
    )

    monkeypatch.setenv("ATOCORE_VAULT_SOURCE_DIR", str(vault_dir))
    monkeypatch.setenv("ATOCORE_DRIVE_SOURCE_DIR", str(drive_dir))
    monkeypatch.setenv("ATOCORE_PROJECT_REGISTRY_PATH", str(registry_path))

    original_settings = config.settings
    try:
        config.settings = config.Settings()
        proposal = build_project_registration_proposal(
            project_id="p08-example",
            aliases=["interferometer"],
            ingest_roots=[
                {"source": "vault", "subpath": "incoming/projects/p08-example"}
            ],
        )
    finally:
        config.settings = original_settings

    assert proposal["valid"] is False
    assert proposal["collisions"][0]["existing_project"] == "p05-interferometer"


def test_register_project_persists_new_entry(tmp_path, monkeypatch):
    vault_dir = tmp_path / "vault"
    drive_dir = tmp_path / "drive"
    config_dir = tmp_path / "config"
    staged = vault_dir / "incoming" / "projects" / "p07-example"
    staged.mkdir(parents=True)
    drive_dir.mkdir()
    config_dir.mkdir()
    registry_path = config_dir / "project-registry.json"
    registry_path.write_text(json.dumps({"projects": []}), encoding="utf-8")

    monkeypatch.setenv("ATOCORE_VAULT_SOURCE_DIR", str(vault_dir))
    monkeypatch.setenv("ATOCORE_DRIVE_SOURCE_DIR", str(drive_dir))
    monkeypatch.setenv("ATOCORE_PROJECT_REGISTRY_PATH", str(registry_path))

    original_settings = config.settings
    try:
        config.settings = config.Settings()
        result = register_project(
            project_id="p07-example",
            aliases=["p07", "example-project"],
            description="Example project",
            ingest_roots=[
                {
                    "source": "vault",
                    "subpath": "incoming/projects/p07-example",
                    "label": "Primary docs",
                }
            ],
        )
    finally:
        config.settings = original_settings

    assert result["status"] == "registered"
    payload = json.loads(registry_path.read_text(encoding="utf-8"))
    assert payload["projects"][0]["id"] == "p07-example"
    assert payload["projects"][0]["aliases"] == ["p07", "example-project"]


def test_register_project_rejects_collisions(tmp_path, monkeypatch):
    vault_dir = tmp_path / "vault"
    drive_dir = tmp_path / "drive"
    config_dir = tmp_path / "config"
    vault_dir.mkdir()
    drive_dir.mkdir()
    config_dir.mkdir()
    registry_path = config_dir / "project-registry.json"
    registry_path.write_text(
        json.dumps(
            {
                "projects": [
                    {
                        "id": "p05-interferometer",
                        "aliases": ["p05", "interferometer"],
                        "ingest_roots": [
                            {"source": "vault", "subpath": "incoming/projects/p05-interferometer"}
                        ],
                    }
                ]
            }
        ),
        encoding="utf-8",
    )

    monkeypatch.setenv("ATOCORE_VAULT_SOURCE_DIR", str(vault_dir))
    monkeypatch.setenv("ATOCORE_DRIVE_SOURCE_DIR", str(drive_dir))
    monkeypatch.setenv("ATOCORE_PROJECT_REGISTRY_PATH", str(registry_path))

    original_settings = config.settings
    try:
        config.settings = config.Settings()
        try:
            register_project(
                project_id="p07-example",
                aliases=["interferometer"],
                ingest_roots=[
                    {"source": "vault", "subpath": "incoming/projects/p07-example"}
                ],
            )
        except ValueError as exc:
            assert "collisions" in str(exc)
        else:
            raise AssertionError("Expected collision to prevent project registration")
    finally:
        config.settings = original_settings