"""Tests for cloud sync and bisync command behavior."""

import importlib
from types import SimpleNamespace

import pytest
import typer
from typer.testing import CliRunner

from basic_memory.cli.app import app
from basic_memory.config import ProjectEntry, ProjectMode
from basic_memory.schemas.cloud import WorkspaceInfo

runner = CliRunner()


@pytest.mark.parametrize(
    "argv",
    [
        ["cloud", "sync", "--name", "research"],
        ["cloud", "bisync", "--name", "research"],
    ],
)
def test_cloud_sync_commands_skip_explicit_cloud_project_sync(monkeypatch, argv, config_manager):
    """Cloud sync commands should not trigger an extra explicit cloud project sync."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    config = config_manager.load_config()
    config.set_project_mode("research", ProjectMode.CLOUD)
    config_manager.save_config(config)

    monkeypatch.setattr(project_sync_command, "_require_cloud_credentials", lambda _config: None)
    monkeypatch.setattr(
        project_sync_command, "_require_personal_workspace", lambda _name, _config: None
    )
    monkeypatch.setattr(
        project_sync_command,
        "get_mount_info",
        lambda: _async_value(SimpleNamespace(bucket_name="tenant-bucket")),
    )
    monkeypatch.setattr(
        project_sync_command,
        "_get_cloud_project",
        lambda _name: _async_value(
            SimpleNamespace(name="research", external_id="external-project-id", path="research")
        ),
    )
    monkeypatch.setattr(
        project_sync_command,
        "_get_sync_project",
        lambda _name, _config, _project_data: (SimpleNamespace(name="research"), "/tmp/research"),
    )
    monkeypatch.setattr(project_sync_command, "project_sync", lambda *args, **kwargs: True)
    monkeypatch.setattr(project_sync_command, "project_bisync", lambda *args, **kwargs: True)

    result = runner.invoke(app, argv)

    assert result.exit_code == 0, result.output
    assert "Database sync initiated" not in result.output


def test_cloud_bisync_fails_fast_when_sync_entry_disappears(monkeypatch, config_manager):
    """Bisync should raise a runtime error when validated sync config vanishes before persistence."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    config = config_manager.load_config()
    config.projects.pop("research", None)
    config_manager.save_config(config)

    monkeypatch.setattr(project_sync_command, "_require_cloud_credentials", lambda _config: None)
    monkeypatch.setattr(
        project_sync_command, "_require_personal_workspace", lambda _name, _config: None
    )
    monkeypatch.setattr(
        project_sync_command,
        "get_mount_info",
        lambda: _async_value(SimpleNamespace(bucket_name="tenant-bucket")),
    )
    monkeypatch.setattr(
        project_sync_command,
        "_get_cloud_project",
        lambda _name: _async_value(
            SimpleNamespace(name="research", external_id="external-project-id", path="research")
        ),
    )
    monkeypatch.setattr(
        project_sync_command,
        "_get_sync_project",
        lambda _name, _config, _project_data: (SimpleNamespace(name="research"), "/tmp/research"),
    )
    monkeypatch.setattr(project_sync_command, "project_bisync", lambda *args, **kwargs: True)

    result = runner.invoke(app, ["cloud", "bisync", "--name", "research"])

    assert result.exit_code == 1, result.output
    assert "unexpectedly missing after validation" in result.output


@pytest.mark.parametrize(
    "argv",
    [
        ["cloud", "bisync", "--name", "research"],
        ["cloud", "bisync-reset", "research"],
    ],
)
def test_cloud_bisync_commands_block_organization_workspace(monkeypatch, argv, config_manager):
    """Bisync commands should fail before setup/execution for Team workspaces."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    config = config_manager.load_config()
    config.cloud_api_key = "bmc_test"
    config.projects["research"] = ProjectEntry(
        path="/tmp/research",
        mode=ProjectMode.CLOUD,
        workspace_id="team-tenant",
        local_sync_path="/tmp/research",
    )
    config_manager.save_config(config)

    monkeypatch.setattr(
        project_sync_command,
        "get_available_workspaces",
        lambda: _async_value([_workspace("team-tenant", "organization", "team")]),
    )
    monkeypatch.setattr(
        project_sync_command,
        "get_mount_info",
        lambda: pytest.fail("workspace guard should run before mount lookup"),
    )
    monkeypatch.setattr(
        project_sync_command,
        "get_project_bisync_state",
        lambda _name: pytest.fail("workspace guard should run before bisync state lookup"),
    )

    result = runner.invoke(app, argv)

    assert result.exit_code == 1, result.output
    output = " ".join(result.output.split())
    assert "The bisync operation is only supported on Personal workspaces" in output
    assert "Use `bm cloud sync --name research` instead" in output


def test_cloud_sync_allows_organization_workspace(monkeypatch, config_manager):
    """Team workspaces can still use the one-way sync command."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    config = config_manager.load_config()
    config.cloud_api_key = "bmc_test"
    config.projects["research"] = ProjectEntry(
        path="/tmp/research",
        mode=ProjectMode.CLOUD,
        workspace_id="team-tenant",
        local_sync_path="/tmp/research",
    )
    config_manager.save_config(config)

    monkeypatch.setattr(
        project_sync_command,
        "get_available_workspaces",
        lambda: pytest.fail("sync should not require a personal workspace"),
    )
    monkeypatch.setattr(
        project_sync_command,
        "get_mount_info",
        lambda: _async_value(SimpleNamespace(bucket_name="tenant-bucket")),
    )
    monkeypatch.setattr(
        project_sync_command,
        "_get_cloud_project",
        lambda _name: _async_value(
            SimpleNamespace(name="research", external_id="external-project-id", path="research")
        ),
    )
    monkeypatch.setattr(
        project_sync_command,
        "_get_sync_project",
        lambda _name, _config, _project_data: (SimpleNamespace(name="research"), "/tmp/research"),
    )
    monkeypatch.setattr(project_sync_command, "project_sync", lambda *args, **kwargs: True)

    result = runner.invoke(app, ["cloud", "sync", "--name", "research"])

    assert result.exit_code == 0, result.output
    assert "research synced successfully" in result.output


def test_require_personal_workspace_allows_personal_workspace(monkeypatch, config_manager):
    """Personal workspaces keep the existing rclone sync path available."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    config = config_manager.load_config()
    config.projects["research"] = ProjectEntry(
        path="/tmp/research",
        mode=ProjectMode.CLOUD,
        workspace_id="personal-tenant",
        local_sync_path="/tmp/research",
    )
    config_manager.save_config(config)

    monkeypatch.setattr(
        project_sync_command,
        "get_available_workspaces",
        lambda: _async_value([_workspace("personal-tenant", "personal", "personal")]),
    )

    workspace = project_sync_command._require_personal_workspace("research", config)

    assert workspace.tenant_id == "personal-tenant"


def test_require_personal_workspace_uses_default_workspace(monkeypatch, config_manager):
    """When no project workspace is set, the single cloud default is used."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    config = config_manager.load_config()
    config.default_workspace = None
    config.projects["research"] = ProjectEntry(path="/tmp/research", mode=ProjectMode.CLOUD)
    config_manager.save_config(config)

    monkeypatch.setattr(
        project_sync_command,
        "get_available_workspaces",
        lambda: _async_value(
            [
                _workspace("team-tenant", "organization", "team"),
                _workspace("personal-tenant", "personal", "personal", is_default=True),
            ]
        ),
    )

    workspace = project_sync_command._require_personal_workspace("research", config)

    assert workspace.tenant_id == "personal-tenant"


def test_require_personal_workspace_uses_single_workspace(monkeypatch, config_manager):
    """A single accessible workspace is unambiguous even when none is marked default."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    config = config_manager.load_config()
    config.default_workspace = None
    config.projects["research"] = ProjectEntry(path="/tmp/research", mode=ProjectMode.CLOUD)
    config_manager.save_config(config)

    monkeypatch.setattr(
        project_sync_command,
        "get_available_workspaces",
        lambda: _async_value([_workspace("personal-tenant", "personal", "personal")]),
    )

    workspace = project_sync_command._require_personal_workspace("research", config)

    assert workspace.tenant_id == "personal-tenant"


def test_require_personal_workspace_reports_no_accessible_workspaces(monkeypatch, config_manager):
    """Workspace resolution exits with a clear error when the account has no workspaces."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    config = config_manager.load_config()
    config.default_workspace = None
    config.projects["research"] = ProjectEntry(path="/tmp/research", mode=ProjectMode.CLOUD)
    config_manager.save_config(config)

    monkeypatch.setattr(
        project_sync_command,
        "get_available_workspaces",
        lambda: _async_value([]),
    )

    with pytest.raises(typer.Exit) as exc_info:
        project_sync_command._require_personal_workspace("research", config)

    assert exc_info.value.exit_code == 1


def test_require_personal_workspace_reports_inaccessible_configured_workspace(
    monkeypatch, config_manager
):
    """A configured workspace id must be present in the accessible workspace list."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    config = config_manager.load_config()
    config.projects["research"] = ProjectEntry(
        path="/tmp/research",
        mode=ProjectMode.CLOUD,
        workspace_id="missing-tenant",
    )
    config_manager.save_config(config)

    monkeypatch.setattr(
        project_sync_command,
        "get_available_workspaces",
        lambda: _async_value([_workspace("personal-tenant", "personal", "personal")]),
    )

    with pytest.raises(typer.Exit) as exc_info:
        project_sync_command._require_personal_workspace("research", config)

    assert exc_info.value.exit_code == 1


def test_require_personal_workspace_reports_ambiguous_workspace(monkeypatch, config_manager):
    """Multiple accessible workspaces need an explicit project or account default."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    config = config_manager.load_config()
    config.default_workspace = None
    config.projects["research"] = ProjectEntry(path="/tmp/research", mode=ProjectMode.CLOUD)
    config_manager.save_config(config)

    monkeypatch.setattr(
        project_sync_command,
        "get_available_workspaces",
        lambda: _async_value(
            [
                _workspace("personal-tenant-a", "personal", "personal-a"),
                _workspace("personal-tenant-b", "personal", "personal-b"),
            ]
        ),
    )

    with pytest.raises(typer.Exit) as exc_info:
        project_sync_command._require_personal_workspace("research", config)

    assert exc_info.value.exit_code == 1


def test_bisync_reset_skips_workspace_check_without_credentials(monkeypatch, tmp_path):
    """Resetting local bisync state stays harmless when no cloud credentials exist."""
    project_sync_command = importlib.import_module("basic_memory.cli.commands.cloud.project_sync")

    monkeypatch.setattr(
        project_sync_command,
        "get_available_workspaces",
        lambda: pytest.fail("workspace lookup requires cloud credentials"),
    )
    monkeypatch.setattr(
        project_sync_command,
        "get_project_bisync_state",
        lambda _name: tmp_path / "missing-state",
    )

    result = runner.invoke(app, ["cloud", "bisync-reset", "research"])

    assert result.exit_code == 0, result.output
    assert "No bisync state found for project 'research'" in result.output


async def _async_value(value):
    return value


def _workspace(
    tenant_id: str, workspace_type: str, slug: str, *, is_default: bool = False
) -> WorkspaceInfo:
    return WorkspaceInfo(
        tenant_id=tenant_id,
        workspace_type=workspace_type,
        slug=slug,
        name=slug.title(),
        role="owner",
        is_default=is_default,
        has_active_subscription=True,
    )