from __future__ import annotations

from importlib.machinery import PathFinder

import pytest


def _load_project_collaboration_symbols():
    pytest.importorskip("sqlalchemy")

    import app.projects.models
    import app.projects.models.collaboration

    from app.projects.models import (
        Project,
        ProjectGenerationJob,
        ProjectEditorState,
        ProjectRenderJob,
    )
    from app.projects.models.collaboration import (
        ApprovalRequest,
        ApprovalWorkflow,
        CollaborationActivity,
        Invitation,
        ProjectCollaborator,
        ReviewComment,
        Team,
        TeamMember,
    )

    return {
        "project_models": app.projects.models,
        "project": Project,
        "project_generation_job": ProjectGenerationJob,
        "project_editor_state": ProjectEditorState,
        "project_render_job": ProjectRenderJob,
        "team": Team,
        "team_member": TeamMember,
        "invitation": Invitation,
        "approval_workflow": ApprovalWorkflow,
        "approval_request": ApprovalRequest,
        "review_comment": ReviewComment,
        "project_collaborator": ProjectCollaborator,
        "collaboration_activity": CollaborationActivity,
    }


_SYMBOLS = _load_project_collaboration_symbols()


def test_project_model_package_imports_are_resilient() -> None:
    assert _SYMBOLS["project"].__name__ == "Project"
    assert _SYMBOLS["project_generation_job"].__name__ == "ProjectGenerationJob"
    assert _SYMBOLS["project_editor_state"].__name__ == "ProjectEditorState"
    assert _SYMBOLS["project_render_job"].__name__ == "ProjectRenderJob"


def test_collaboration_submodule_exports_expected_models() -> None:
    assert _SYMBOLS["team"].__name__ == "Team"
    assert _SYMBOLS["team_member"].__name__ == "TeamMember"
    assert _SYMBOLS["invitation"].__name__ == "Invitation"
    assert _SYMBOLS["approval_workflow"].__name__ == "ApprovalWorkflow"
    assert _SYMBOLS["approval_request"].__name__ == "ApprovalRequest"
    assert _SYMBOLS["review_comment"].__name__ == "ReviewComment"
    assert _SYMBOLS["project_collaborator"].__name__ == "ProjectCollaborator"
    assert _SYMBOLS["collaboration_activity"].__name__ == "CollaborationActivity"


def test_production_style_startup_imports_are_resolvable() -> None:
    assert _SYMBOLS["project_models"].Project is not None
    assert _SYMBOLS["project_models"].collaboration.Team is not None
    assert _SYMBOLS["project_models"].Project is not None


def test_models_module_resolution_avoids_collision() -> None:
    parent_paths = [str(path) for path in __import__("app.projects", fromlist=[""]).__path__]
    package_spec = PathFinder.find_spec("app.projects.models", parent_paths)
    assert package_spec is not None
    assert package_spec.origin.endswith("__init__.py")
    assert package_spec.submodule_search_locations

    collaboration_spec = PathFinder.find_spec(
        "app.projects.models.collaboration",
        list(package_spec.submodule_search_locations),
    )
    assert collaboration_spec is not None
    assert collaboration_spec.origin.endswith("collaboration.py")


def test_main_app_symbol_is_registered() -> None:
    pytest.importorskip("sqlalchemy")
    import main

    assert main.app is not None