"""tests/unit/foundation/test_board_programs.py"""

from datetime import UTC, datetime, timedelta

import pytest
from roboco.config import Settings
from roboco.foundation.policy.board_programs import (
    PROGRAMS,
    BoardProgram,
    TriggerKind,
    program_due,
    project_participates,
    validate_board_programs_field,
)


def test_x_feature_default_interval_matches_settings_field_default() -> None:
    """Guards the registry cadence and the live due-check's cadence
    (``Settings.x_feature_spotlight_interval_seconds``) from drifting apart
    again — reads the pydantic field default, never a live env-configured
    instance, so this can't pass by accident in a differently-configured
    environment."""
    field_default = Settings.model_fields["x_feature_spotlight_interval_seconds"]
    assert PROGRAMS["x_feature"].default_interval_seconds == field_default.default


def test_registry_carries_the_two_migrated_programs() -> None:
    assert set(PROGRAMS) == {"roadmap", "x_feature"}
    rm = PROGRAMS["roadmap"]
    assert rm.role == "product_owner"
    assert rm.source == "board_roadmap"
    assert rm.trigger is TriggerKind.CRON
    xf = PROGRAMS["x_feature"]
    assert xf.role == "head_marketing"
    assert xf.source == "x_feature_exploration"


def test_program_due_cron_interval() -> None:
    now = datetime(2026, 7, 24, tzinfo=UTC)
    p = PROGRAMS["roadmap"]
    assert program_due(p, now=now, last_opened_at=None, interval_override=None)
    recent = now - timedelta(seconds=10)
    assert not program_due(p, now=now, last_opened_at=recent, interval_override=None)
    old = now - timedelta(seconds=p.default_interval_seconds + 1)
    assert program_due(p, now=now, last_opened_at=old, interval_override=None)


def test_program_due_event_never_cron_fires() -> None:
    p = BoardProgram(
        key="k",
        role="auditor",
        trigger=TriggerKind.EVENT,
        source="s",
        default_interval_seconds=0,
    )
    assert not program_due(
        p,
        now=datetime(2026, 7, 24, tzinfo=UTC),
        last_opened_at=None,
        interval_override=None,
    )


def test_program_due_interval_override_wins_over_default() -> None:
    now = datetime(2026, 7, 24, tzinfo=UTC)
    p = PROGRAMS["roadmap"]
    recent = now - timedelta(seconds=100)
    # Default interval (a week) would still block; a short override fires.
    assert program_due(p, now=now, last_opened_at=recent, interval_override=50)
    assert not program_due(p, now=now, last_opened_at=recent, interval_override=200)


# ---------------------------------------------------------------------------
# Task 6b: per-project program scoping
# ---------------------------------------------------------------------------


def test_registry_entries_default_to_org_scope() -> None:
    assert PROGRAMS["roadmap"].scope == "org"
    assert PROGRAMS["x_feature"].scope == "org"


_PROJECT_PROGRAM = BoardProgram(
    key="pest_control",
    role="product_owner",
    trigger=TriggerKind.CRON,
    source="board_pest_control",
    default_interval_seconds=7 * 24 * 3600,
    scope="project",
)
_ORG_PROGRAM = PROGRAMS["roadmap"]  # scope="org"


def test_project_scoped_program_is_affirmative_opt_in() -> None:
    assert not project_participates(_PROJECT_PROGRAM, None)
    assert not project_participates(_PROJECT_PROGRAM, [])
    assert not project_participates(_PROJECT_PROGRAM, ["some_other_key"])
    assert project_participates(_PROJECT_PROGRAM, ["pest_control"])


def test_org_scoped_program_is_default_eligible_opt_out() -> None:
    assert project_participates(_ORG_PROGRAM, None)
    assert project_participates(_ORG_PROGRAM, [])
    assert project_participates(_ORG_PROGRAM, ["some_other_key"])
    assert not project_participates(_ORG_PROGRAM, ["!roadmap"])


def test_validate_board_programs_field_accepts_none() -> None:
    assert validate_board_programs_field(None) is None


def test_validate_board_programs_field_accepts_known_org_exclusion() -> None:
    assert validate_board_programs_field(["!roadmap"]) == ["!roadmap"]


def test_validate_board_programs_field_rejects_plain_key_on_org_scoped_program() -> (
    None
):
    """Both registered programs are org-scoped today, so a plain "roadmap"
    entry (the project-scoped opt-in form) is meaningless — org-scoped
    programs run against every project by default and are only ever
    excluded via '!key'. See test_validate_board_programs_field_allows_
    plain_project_scoped_key below for the positive case on a synthetic
    project-scoped program."""
    with pytest.raises(ValueError, match="meaningless"):
        validate_board_programs_field(["roadmap"])


def test_validate_board_programs_field_rejects_unknown_key() -> None:
    with pytest.raises(ValueError, match="unknown board program key"):
        validate_board_programs_field(["not_a_real_program"])


def test_validate_board_programs_field_rejects_unknown_excluded_key() -> None:
    with pytest.raises(ValueError, match="unknown board program key"):
        validate_board_programs_field(["!not_a_real_program"])


def test_validate_board_programs_field_rejects_bang_on_project_scoped_key() -> None:
    registry = {"pest_control": _PROJECT_PROGRAM}
    with pytest.raises(ValueError, match="meaningless"):
        validate_board_programs_field(["!pest_control"], programs=registry)


def test_validate_board_programs_field_allows_plain_project_scoped_key() -> None:
    registry = {"pest_control": _PROJECT_PROGRAM}
    assert validate_board_programs_field(["pest_control"], programs=registry) == [
        "pest_control"
    ]